C/2009 E1 (Itagaki)
Epoch 2009 Mar. 30.0 TT = JDT 2454920.5
T 2009 Apr. 7.92031 TT Nakano
q 0.5997220 (2000.0) P Q
z +0.0248890 Peri. 48.95507 +0.26037795 +0.59132627
+/-0.0000015 Node 105.96189 +0.45679862 -0.77188443
e 0.9850735 Incl. 127.45344 +0.85061057 +0.23351159
a 40.18 AU P 254.7 years
From 522 observations 2009 Mar. 14-Aug. 19, mean residual 0".77.
Residuals in seconds of arc
2009/ 090320 871 1.8+ 0.6+ 090530 J10 1.2- 0.2-
090314 D94 (2.8- 0.6-) 090320 372 1.2+ 0.1+ 090530 J10 0.4+ 0.2-
090314 D94 (5.7- 1.1+) 090320 D93 1.1+ 2.0- 090530 J10 0.3- 0.2-
090314 D94 (3.7- 1.2-) 090320 372 1.1+ 0.3- 090530 585 1.1- 0.7+
090314 D94 2.0- 1.1- 090320 900 0.5+ 0.8- 090530 585 0.0 0.7+
090314 D94 (1.8- 3.3-) 090320 372 1.4+ 0.1+ 090530 585 1.2+ 0.6-
090314 D94 (0.5+ 3.3-) 090320 900 0.4+ 0.9- 090530 585 1.4+ 0.6-
090315 H55 0.2- 0.9+ 090320 372 1.3+ 0.2- 090530 585 1.8+ 0.5-
090315 H55 0.2- 1.0+ 090320 349 1.0+ 0.9- 090531 A77 0.5+ 0.1-
090315 H55 0.4- 0.9+ 090320 367 0.4+ 0.6- 090531 A77 0.1- 0.3+
090315 H06 0.8- 0.4+ 090320 349 0.9+ 0.7- 090531 A77 0.4+ 0.4+
090315 854 1.1- 0.6+ 090320 349 0.7+ 0.9- 090531 J52 0.4+ 0.3+
090315 H06 0.9- 0.5+ 090320 367 0.8+ 0.2- 090531 J52 0.2- 0.1+
090315 854 1.5- 0.1+ 090320 367 0.9+ 0.0 090531 J52 0.7- 1.0-
090315 854 1.1- 0.4+ 090320 367 0.4+ 0.6- 090531 J51 0.1+ 0.2+
090315 349 1.1- 0.1- 090320 204 0.1+ 0.2+ 090531 J51 1.5+ 0.0
090315 349 0.8- 0.0 090320 B50 1.8+ 1.0+ 090531 J51 1.6+ 0.2+
090315 D94 1.2- 0.0 090320 204 1.3+ 0.2+ 090601 945 0.0 0.4+
090315 349 0.7- 0.2+ 090320 B50 0.1- 1.0+ 090601 945 1.4- 1.1-
090315 349 1.2- 0.7- 090320 A18 0.1- 1.2+ 090601 945 0.9- 0.8+
090315 349 1.4- 0.4- 090320 A18 (2.3- 2.1-) 090601 B74 1.0- 0.4-
090315 D94 0.1- 0.8+ 090320 B50 0.2+ 0.9- 090601 B74 0.7- 0.7-
090315 D94 0.9- 0.4- 090320 J38 0.2- 0.1+ 090601 B74 0.6- 1.9-
090315 D94 1.6- 0.3- 090320 J38 0.4+ 0.6+ 090601 D81 0.0 1.1+
090315 900 0.3- 0.4+ 090320 J38 0.7+ 0.5+ 090601 D81 0.5+ 0.4+
090315 D94 1.0- 0.2+ 090321 379 0.9- 0.2+ 090601 D81 0.6- 0.5+
090315 900 0.3- 0.2+ 090321 379 0.9- 0.2+ 090601 D81 0.1+ 0.9+
090315 D94 0.3- 0.6+ 090321 D92 0.0 0.9- 090601 900 0.3- 0.7-
090315 900 0.1- 0.3+ 090321 379 0.1- 0.3+ 090601 900 0.2- 0.8-
090315 900 0.6- 0.4+ 090321 D92 0.2- 0.4- 090601 349 0.3+ 0.2-
090315 349 0.2- 0.3+ 090321 A77 0.9+ 0.4- 090601 349 0.1+ 0.3-
090315 349 0.0 0.8+ 090321 A77 1.4+ 0.5+ 090601 349 0.1- 0.6-
090315 349 0.3+ 0.3+ 090321 B73 0.9+ 0.7+ 090602 850 1.5- 0.5-
090315 367 (2.2- 0.0 ) 090321 A77 1.5+ 0.3- 090602 850 0.2- 1.1-
090315 367 1.2- 0.4- 090321 B73 (2.8+ 2.8+) 090602 850 0.1+ 0.1-
090315 367 1.9- 0.7- 090322 235 0.5+ 0.1+ 090603 160 0.5- 0.4+
090315 C42 0.5+ 0.3- 090322 204 1.8+ 0.1+ 090603 160 0.6- 1.2-
090315 C42 (1.8+ 3.4-) 090322 213 0.1+ 0.2- 090603 160 0.2- 0.2-
090315 C42 (0.2- 2.6-) 090322 204 0.5+ 0.4+ 090603 160 0.3- 0.2+
090315 C42 (3.2- 3.3-) 090322 213 0.9+ 0.7- 090603 160 0.1- 0.1-
090315 A77 0.6+ 0.1+ 090322 213 0.2- 0.0 090603 B40 0.3+ 0.1-
090315 213 1.3- 1.3- 090322 204 0.5+ 0.1+ 090603 B40 1.1+ 0.1+
090315 213 0.3- 0.1- 090322 J38 0.4+ 0.2+ 090603 H10 (3.1- 0.7-)
090315 213 0.4- 0.1+ 090322 J47 1.2+ 0.5- 090603 H10 (3.8- 0.2-)
090315 A77 (2.3- 3.5-) 090322 J38 1.3+ 0.3- 090603 H10 (3.2- 0.6-)
090315 A77 0.1+ 0.7- 090322 J47 0.8+ 0.8- 090603 H10 (2.6- 0.6-)
090315 A77 (2.3- 2.7-) 090322 J38 1.0+ 0.5- 090603 H10 (3.5- 0.6-)
090315 A77 0.8- 0.9- 090322 J47 0.8+ 0.9- 090606 B40 0.2+ 1.5-
090315 A77 0.9- 0.7- 090322 J47 0.6+ 0.3- 090606 H06 0.9+ 0.2-
090315 J47 0.5+ 0.2+ 090323 213 0.1- 1.1- 090606 H06 0.0 0.6-
090315 J47 0.3- 0.4+ 090323 213 0.3+ 0.3- 090612 B49 (0.2+ 2.3+)
090315 J47 0.7+ 0.5+ 090323 213 0.6+ 0.2+ 090612 B49 (0.3+ 2.4+)
090315 J47 0.5+ 0.2+ 090323 J38 (2.1+ 0.5-) 090612 160 0.4- 0.1-
090315 J40 1.0- 0.1+ 090323 J38 0.1- 0.5- 090613 160 0.1+ 0.0
090315 J40 (2.6+ 2.0-) 090323 J38 1.2- 0.2+ 090613 213 0.5- 0.0
090315 J40 0.3- 1.1+ 090324 403 1.7+ 1.2+ 090613 213 0.3+ 0.0
090316 673 0.3- 1.2+ 090324 B74 0.6- 0.6+ 090613 160 0.2- 0.1-
090316 673 0.0 0.3+ 090324 B74 1.1- 0.5+ 090613 J10 1.8- 0.4+
090316 673 0.3- 1.1+ 090324 B74 0.4- 0.7+ 090613 J10 0.8- 1.2+
090316 673 (0.1+ 2.1+) 090324 J47 0.8+ 0.1+ 090613 160 0.1+ 0.0
090316 372 0.4+ 0.8+ 090324 J47 0.2+ 0.0 090613 J10 (0.4- 2.2+)
090316 160 0.1- 0.5+ 090324 J47 0.0 0.1- 090613 204 0.4+ 0.0
090316 B51 1.6- 1.2+ 090324 J47 0.5+ 0.0 090613 204 0.0 0.2+
090316 204 0.1- 0.0 090325 403 0.6+ 0.9- 090613 B74 (3.0- 0.1-)
090316 204 0.1- 0.4+ 090325 403 0.2- 0.5- 090613 B74 (2.4- 0.0 )
090316 204 0.1+ 0.0 090325 J38 0.0 0.1- 090613 B74 (2.3- 0.6-)
090316 204 0.5- 0.1+ 090325 J38 0.1+ 0.2- 090615 704 1.9+ 0.1-
090316 B51 1.0- 1.5+ 090325 J38 0.5+ 0.1- 090615 704 0.5- 0.2+
090316 204 0.9+ 0.7+ 090326 372 0.9- 0.8- 090615 704 1.5- 1.2-
090316 A77 0.4- 0.1+ 090326 372 1.3- 1.1- 090615 704 0.1+ 1.3-
090316 A77 1.7- 0.7- 090326 372 0.6- 1.2- 090616 160 0.1- 0.0
090316 A77 1.0- 0.1+ 090326 B74 0.2+ 1.0+ 090616 160 0.0 0.2+
090316 213 0.2+ 0.9- 090326 B74 0.6+ 1.2+ 090616 900 1.8+ 0.1+
090316 213 0.1+ 1.0- 090326 B74 0.5+ 1.1+ 090616 900 1.2- 0.2-
090316 213 0.4+ 0.6- 090327 850 0.3+ 0.7- 090618 561 1.8- 1.1+
090316 B74 1.6- 0.5+ 090327 850 0.0 0.3- 090618 561 0.9- 0.6-
090316 J38 1.3- 0.1+ 090328 349 0.1- 0.7- 090618 561 0.1- 0.6+
090316 J38 1.4- 0.6+ 090328 349 0.2+ 0.9- 090618 235 0.2+ 0.1-
090316 J38 0.4+ 0.5+ 090328 349 0.2+ 0.8- 090619 B40 (5.2- 0.5+)
090316 A77 1.2- 0.2- 090330 A32 0.5+ 0.3+ 090619 B40 0.6- 2.0-
090316 B74 1.1- 1.1+ 090330 A32 0.5- 0.4- 090619 B40 (5.1- 0.8-)
090316 J47 0.6+ 0.4+ 090330 A32 0.1+ 0.0 090619 B40 (3.2- 0.1-)
090316 B74 (2.3- 1.2+) 090330 A32 0.1+ 0.2- 090619 900 0.1+ 0.1-
090316 J47 0.5+ 0.4+ 090330 A32 0.1- 0.2+ 090619 900 0.1- 0.1-
090316 J47 0.6+ 0.4+ 090331 510 1.3+ 1.0+ 090620 J24 (3.3- 1.1-)
090316 J24 0.1- 0.2- 090331 510 2.0+ 1.7+ 090620 J24 (2.3- 0.9-)
090316 J47 0.3+ 0.6+ 090331 510 (1.3+ 2.1+) 090620 J24 (2.5- 1.3-)
090316 J24 0.1+ 0.5- 090402 850 1.4+ 1.6+ 090620 850 0.1+ 0.1+
090316 J24 0.7- 1.0+ 090402 850 0.9+ 0.1+ 090620 850 0.1- 0.1-
090317 E00 (1.7- 2.4+) 090402 850 0.3+ 0.5- 090620 850 1.2- 0.2-
090317 D93 0.6- 0.8+ 090402 A32 0.5+ 0.3+ 090620 850 0.1- 0.1+
090317 D93 0.8+ 0.3+ 090402 A32 1.6+ 1.1+ 090620 235 0.5- 0.2-
090317 E00 0.3- 0.1+ 090402 A32 0.8+ 0.9+ 090620 235 0.7- 0.4-
090317 D93 0.4- 1.1+ 090402 A32 0.9+ 0.1- 090620 585 (4.3+ 1.3+)
090317 D93 1.0- 1.5+ 090404 J47 0.1- 0.4- 090620 585 (4.4+ 1.4+)
090317 E00 2.0- 0.4+ 090404 J47 0.1- 0.2- 090620 585 (4.9+ 1.3+)
090317 D93 1.0- 0.5- 090404 J47 (3.0+ 0.4-) 090621 B40 0.6- 0.0
090317 D92 0.8- 1.2+ 090405 349 1.1+ 0.4- 090621 B40 1.4- 0.9-
090317 379 0.4- 0.7+ 090405 349 1.3+ 0.1- 090621 B40 0.6- 0.5-
090317 379 1.2- 0.7+ 090405 349 2.0+ 0.2+ 090621 B40 1.1- 0.4-
090317 379 1.7- 0.4+ 090405 349 1.1+ 0.7+ 090621 H10 0.2+ 0.2-
090317 372 0.5+ 0.3- 090405 585 0.3- 0.9+ 090623 585 1.6- 1.0-
090317 D92 0.4+ 0.1+ 090405 585 0.5+ 0.8+ 090623 585 0.4- 0.5-
090317 403 (4.4- 0.2-) 090405 585 1.0+ 1.0+ 090623 585 0.8- 1.0-
090317 367 0.7+ 1.2+ 090405 585 0.9+ 0.2+ 090623 585 0.5- 0.3-
090317 367 0.6+ 0.5+ 090405 585 0.6+ 1.2+ 090623 510 0.2+ 0.7+
090317 367 0.5+ 0.3+ 090405 585 0.9+ 1.2- 090623 510 0.5+ 0.8+
090317 A77 0.5+ 0.6+ 090405 585 (2.2+ 1.1-) 090624 J47 0.6+ 0.3-
090317 B82 0.4+ 1.0- 090405 585 1.9+ 0.5+ 090624 J47 0.1- 0.0
090317 B82 0.8+ 1.1- 090405 585 1.9+ 0.7- 090624 J47 0.7- 1.0+
090317 B82 0.7+ 0.5- 090405 585 (1.7- 3.1+) 090624 J51 (1.9+ 2.1-)
090317 B82 0.3+ 0.8- 090405 585 0.1+ 0.1- 090624 J51 (1.9+ 2.1-)
090317 B82 0.0 0.4+ 090405 585 1.6+ 0.2+ 090624 J51 1.6+ 2.0-
090317 213 0.2- 0.4- 090405 585 1.4+ 1.9+ 090625 B40 (3.0- 1.8-)
090317 213 0.3- 0.5- 090406 367 (2.2+ 1.0-) 090625 B40 (2.6- 1.5-)
090317 213 0.4- 0.1- 090406 367 1.2+ 0.6- 090625 B40 (2.9- 2.1-)
090317 A18 (1.4- 2.9-) 090406 367 (2.1+ 0.4+) 090625 850 0.7- 0.2-
090317 A77 0.1- 0.5- 090408 585 0.5+ 0.8+ 090625 850 1.0- 0.5-
090317 939 0.2- 1.5- 090408 585 0.8+ 0.4- 090626 H26 (2.3- 0.8+)
090317 939 0.2- 1.2- 090408 585 0.4- 1.6- 090626 H26 1.3+ 0.3+
090317 939 0.6- 1.0- 090408 585 0.1+ 0.0 090626 H26 1.6- 0.6+
090317 J40 1.4- 1.5- 090408 585 0.2- 1.1- 090626 H45 0.7- 0.3-
090317 J40 0.5- 0.8+ 090408 585 0.8+ 0.4- 090626 H45 0.9- 0.4-
090317 J40 0.2- 0.2+ 090408 585 0.2+ 0.3- 090626 H45 0.8- 0.0
090317 J40 (5.3- 1.9-) 090408 585 0.9- 1.6+ 090626 H45 0.5- 0.5-
090317 J38 0.2- 0.4- 090410 A71 (1.8+ 3.9+) 090626 H45 0.4- 0.1-
090317 J38 0.0 0.5- 090410 A71 0.8- 0.3+ 090626 H45 0.7- 0.0
090317 A77 0.3- 0.5- 090410 A71 0.8+ 0.9- 090626 H45 0.1- 0.2-
090317 B87 0.4+ 0.8- 090422 349 0.8+ 0.7+ 090626 900 0.6- 0.2-
090317 046 0.6+ 0.6+ 090422 349 1.0+ 0.6+ 090626 900 0.3+ 0.9+
090317 J38 0.2- 0.6- 090422 349 0.8+ 0.8+ 090626 213 0.4+ 0.7-
090317 A18 (1.6- 3.0-) 090426 349 0.5+ 1.9+ 090626 213 0.0 0.1-
090317 B87 1.3- 0.7- 090426 349 0.3+ 1.8+ 090626 B49 0.1- 0.9-
090317 B87 1.3+ 0.4- 090426 349 0.1- 1.4+ 090626 B49 0.1+ 1.2-
090317 I32 (2.7+ 1.6-) 090428 900 1.8+ 0.6+ 090626 213 0.2+ 0.0
090318 D93 1.0- 0.9- 090428 900 1.7+ 0.7+ 090627 B49 (0.0 2.5-)
090318 D93 1.8- 0.7- 090428 367 0.2+ 0.5+ 090627 212 0.4- 0.6-
090318 D93 1.7+ 1.7+ 090428 367 0.7+ 0.9+ 090628 A77 0.7+ 0.0
090318 D93 0.6+ 1.6+ 090428 367 0.7+ 0.2+ 090628 B40 (0.2+ 3.9-)
090318 D93 0.2+ 1.5- 090429 585 0.3- 1.1- 090628 B40 (0.9- 3.8-)
090318 900 0.3- 1.9+ 090429 585 2.0- 1.3- 090629 B01 (2.2+ 0.7+)
090318 900 1.4- 0.5+ 090429 585 0.8+ 0.3- 090629 B01 1.0+ 0.1-
090318 235 0.9- 1.1- 090429 585 0.1- 0.2+ 090629 B01 1.2+ 0.8+
090318 B82 0.2- 0.9- 090429 585 0.1+ 0.7+ 090704 442 0.5+ 1.0+
090318 B51 0.5- 1.2+ 090429 585 0.9+ 0.1+ 090704 442 0.0 1.0+
090318 B82 0.2+ 0.6- 090429 585 0.6- 0.3+ 090707 H36 0.7+ 1.2-
090318 B82 0.4+ 0.5- 090429 585 0.8- 0.7+ 090707 H36 0.2- 0.5-
090318 B82 0.2+ 0.3- 090508 349 0.4- 0.1+ 090707 H36 0.0 0.9-
090318 130 0.1+ 1.3- 090508 349 0.5- 0.1+ 090707 H10 0.4+ 0.3-
090318 130 0.4- 0.5- 090508 349 0.4- 0.0 090707 H10 0.3+ 0.6-
090318 130 1.2- 1.5- 090510 B40 (2.6+ 3.3+) 090708 A13 1.1- 0.8-
090318 130 1.3+ 0.9- 090510 B40 0.3+ 1.2- 090708 A13 0.0 0.0
090318 B51 0.1+ 0.9+ 090510 B40 (0.1+ 2.1+) 090708 587 0.1+ 1.5+
090318 A77 1.0- 0.7- 090511 B40 0.3- 0.7+ 090708 587 0.4+ 0.6+
090318 A77 0.1+ 0.1- 090511 B40 0.5+ 1.2- 090708 587 0.8+ 0.7+
090318 213 1.0- 0.0 090513 H06 0.6- 0.6- 090708 B75 2.0+ 0.0
090318 213 0.2- 0.7- 090513 H06 1.6- 0.8+ 090710 B49 0.1- 1.5+
090318 213 1.2- 0.2- 090513 H06 0.9+ 1.2- 090710 B49 0.1- 0.4-
090318 B74 1.0- 0.1+ 090514 B40 (3.1+ 1.7-) 090710 B49 0.4+ 1.5-
090318 J38 0.6- 1.2- 090514 B40 0.9+ 0.4+ 090711 A79 1.1+ 0.1+
090318 J38 0.9- 0.5- 090514 349 0.3- 0.1+ 090711 A79 1.0+ 0.0
090318 B74 1.3- 0.5+ 090514 349 0.3- 0.1- 090711 H10 0.7+ 0.4+
090318 J38 0.8- 1.0- 090514 349 0.4- 0.2- 090711 H10 0.4+ 0.5+
090318 J47 0.3- 0.1- 090517 A71 0.1+ 0.6- 090711 H10 0.6+ 0.8+
090318 B74 (2.2- 1.5+) 090517 A71 1.2+ 0.2+ 090712 H10 1.1+ 1.9+
090318 J47 0.3- 0.1- 090517 A71 1.3+ 0.3+ 090712 H10 (4.3+ 2.9+)
090318 J46 0.4+ 0.5- 090518 349 0.9- 0.8+ 090712 900 1.4- 0.2-
090318 J46 0.7- 0.2+ 090518 349 0.2- 0.1+ 090712 900 1.6- 0.3-
090318 J47 0.0 0.3+ 090519 585 0.7+ 0.1+ 090712 204 0.6+ 0.2-
090318 J46 0.2+ 0.5- 090519 585 0.5+ 0.2+ 090713 A79 0.6+ 0.3-
090319 B82 0.1+ 0.6+ 090519 585 0.7+ 0.1+ 090713 A79 0.4+ 1.0-
090319 B82 0.2+ 0.8+ 090519 585 1.0+ 0.1+ 090713 A79 2.0+ 0.8+
090319 B82 0.2+ 0.3- 090519 585 0.4+ 0.1+ 090713 A79 (2.8+ 1.1+)
090319 510 0.0 0.9+ 090519 585 0.3+ 0.1- 090714 235 0.1- 0.4+
090319 510 0.1+ 0.8+ 090519 585 0.1- 0.1- 090714 160 0.4+ 0.5+
090319 510 0.2- 0.3+ 090519 585 0.3+ 0.4- 090714 160 0.3+ 0.6+
090319 213 0.4- 1.2+ 090519 585 0.4- 0.4- 090714 160 0.4+ 0.4+
090319 J38 0.3- 0.4+ 090519 J24 0.9- 0.1- 090715 349 1.7- 0.1-
090319 J38 0.4- 0.4+ 090519 J24 0.2- 0.1+ 090715 349 0.5- 0.4+
090319 213 0.1- 0.3+ 090519 J24 0.0 0.3- 090715 349 0.8- 1.0+
090319 J38 0.1- 0.2+ 090520 442 1.6+ 0.6+ 090721 215 0.4+ 0.7+
090319 J40 1.5- 1.9+ 090520 349 0.5- 1.1+ 090721 215 0.1+ 0.5+
090319 J40 0.4- 0.9+ 090520 349 0.9- 0.8+ 090721 215 0.1- 0.4+
090319 J40 0.8+ 0.4- 090521 160 0.1+ 0.2+ 090725 E85 (4.5- 2.1-)
090320 H06 0.7- 0.6- 090521 A71 0.8+ 0.2- 090725 E85 0.0 0.0
090320 H06 0.3- 1.0- 090521 A71 0.2- 0.5- 090725 E85 1.6- 1.1-
090320 H06 1.5- 0.1- 090521 160 0.1- 0.4+ 090725 J18 0.2+ 0.2+
090320 379 0.5- 0.0 090521 A71 0.2+ 0.9- 090725 J18 0.5+ 0.9+
090320 379 0.1+ 0.2- 090521 A71 (2.8- 1.3+) 090726 561 (2.5+ 5.0+)
090320 D93 0.8+ 0.0 090521 160 0.3+ 0.2- 090726 561 (0.0 2.5-)
090320 379 0.5+ 0.4+ 090524 J24 1.2- 0.5- 090726 561 0.1- 1.0+
090320 379 1.2+ 0.0 090524 J24 0.4+ 0.1+ 090727 E85 1.2- 1.7-
090320 379 0.4- 1.1- 090524 J24 1.0+ 1.6- 090727 E85 0.9- 0.3+
090320 D93 1.1+ 0.2- 090525 349 0.8+ 0.6+ 090728 B56 (5.5- 3.7+)
090320 379 1.3+ 0.3+ 090525 349 0.9+ 0.8+ 090731 212 0.9+ 0.7+
090320 D93 0.0 0.3+ 090525 349 0.4+ 0.4+ 090814 235 (2.9+ 0.5-)
090320 D93 0.3- 1.0- 090527 H10 0.0 0.7- 090819 A21 0.4+ 0.1-
090320 871 1.3+ 0.2- 090527 H10 0.1+ 0.3-
090320 D93 0.2+ 1.5- 090527 H10 0.1+ 0.2-
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2009 Orbit.Astro.Assoc./ComputingSection
write mail from CFAD0::NAKANO on 2009-09-05 06:52:59(JST).
C/2009 E1 (Itagaki)
Epoch 2009 Mar. 30.0 TT = JDT 2454920.5
T 2009 Apr. 7.92031 TT Nakano
q 0.5997220 (2000.0) P Q
z +0.0248894 Peri. 48.95507 +0.26037793 +0.59132619
+/-0.0000016 Node 105.96189 +0.45679851 -0.77188451
e 0.9850733 Incl. 127.45343 +0.85061063 +0.23351155
a 40.18 AU P 254.7 years
From 514 observations 2009 Mar. 14-July 25, mean residual 0".77.
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2009 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2009-07-29 07:36:14(JST).
C/2009 E1 (Itagaki)
Epoch 2009 Mar. 30.0 TT = JDT 2454920.5
T 2009 Apr. 7.92085 TT Nakano
q 0.5997213 (2000.0) P Q
z +0.0249420 Peri. 48.95599 +0.26038743 +0.59131263
+/-0.0000053 Node 105.96146 +0.45678116 -0.77189864
e 0.9850417 Incl. 127.45288 +0.85061705 +0.23349917
a 40.09 AU P 253.9 years
From 424 observations 2009 Mar. 14-June 16, mean residual 0".74.
NAKANO
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write mail from CFAD0::NAKANO on 2009-06-20 01:00:31(JST).
C/2009 E1 (Itagaki)
Epoch 2009 Mar. 30.0 TT = JDT 2454920.5
T 2009 Apr. 7.92147 TT Nakano
q 0.5997185 (2000.0) P Q
z +0.0249906 Peri. 48.95731 +0.26039775 +0.59129618
+/-0.0000137 Node 105.96112 +0.45675743 -0.77191632
e 0.9850127 Incl. 127.45210 +0.85062663 +0.23348237
a 40.02 AU P 253.1 years
From 313 observations 2009 Mar. 14-May 8, mean residual 0".74.
NAKANO
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write mail from CFAD0::NAKANO on 2009-05-12 03:07:22(JST).
◎C/2009 E1の軌道と予報位置
上尾の門田健一氏は，４月22日に明け方の空に回ったこの彗星の観測に成功
しました．彗星のCCD全光度は9.8等でした．
C/2009 E1 (Itagaki)
T 2009 Apr. 7.92165 TT Nakano
q 0.5997144 (2000.0) P Q
z +0.0250110 Peri. 48.95798 +0.26039998 +0.59129717
+/-0.0000255 Node 105.96149 +0.45674995 -0.77191816
e 0.9850005 Incl. 127.45212 +0.85062997 +0.23347380
a 39.98 AU P 252.8 years
From 303 observations 2009 Mar. 14-Apr. 22.
2009/ α (2000) δ △ ｒ Daily motion Elong. Phase m1 天文薄明開始時
27h JST h m ｡ , AU AU , ｡ ｡ ｡ 等 h｡ A ｡
Apr. 20 01 14.55 +29 58.5 1.503 0.662 31.8/283 20.5 32.0 8.6 +1.5 233.5
21 01 12.16 +30 05.6 1.506 0.671 31.3/282 20.9 32.3 8.7 +2.4 234.1
22 01 09.80 +30 12.1 1.509 0.681 30.8/281 21.5 32.7 8.7 +3.2 234.6
23 01 07.47 +30 17.9 1.510 0.691 30.3/280 22.1 33.2 8.8 +4.1 235.2
24 01 05.16 +30 23.2 1.512 0.702 29.9/279 22.8 33.7 8.9 +4.9 235.8
25 01 02.88 +30 28.0 1.512 0.713 29.5/279 23.5 34.3 8.9 +5.8 236.4
26 01 00.62 +30 32.3 1.512 0.725 29.1/278 24.3 34.8 9.0 +6.6 236.9
27 00 58.39 +30 36.1 1.512 0.737 28.8/277 25.1 35.5 9.1 +7.5 237.5
28 00 56.17 +30 39.6 1.510 0.749 28.5/276 26.0 36.1 9.1 +8.3 238.1
29 00 53.98 +30 42.7 1.509 0.762 28.2/276 26.9 36.8 9.2 +9.1 238.6
30 00 51.81 +30 45.5 1.506 0.775 28.0/275 27.9 37.4 9.3 +10.0 239.2
May 1 00 49.65 +30 47.9 1.503 0.788 27.7/275 28.8 38.1 9.4 +10.8 239.7
2 00 47.50 +30 50.1 1.500 0.801 27.6/274 29.8 38.7 9.4 +11.7 240.3
3 00 45.36 +30 52.0 1.496 0.815 27.4/274 30.8 39.4 9.5 +12.5 240.8
4 00 43.23 +30 53.7 1.491 0.829 27.4/273 31.9 40.0 9.6 +13.4 241.4
5 00 41.11 +30 55.2 1.486 0.843 27.3/273 32.9 40.6 9.6 +14.2 241.9
6 00 38.99 +30 56.4 1.481 0.857 27.3/272 34.0 41.2 9.7 +15.1 242.5
7 00 36.87 +30 57.5 1.475 0.871 27.3/272 35.1 41.8 9.7 +15.9 243.0
8 00 34.75 +30 58.3 1.469 0.886 27.3/272 36.2 42.3 9.8 +16.8 243.6
9 00 32.63 +30 59.0 1.462 0.900 27.4/271 37.4 42.9 9.9 +17.7 244.1
10 00 30.50 +30 59.6 1.455 0.915 27.6/271 38.5 43.4 9.9 +18.6 244.7
11 00 28.35 +31 00.0 1.447 0.930 27.7/271 39.7 43.9 10.0 +19.5 245.2
12 00 26.20 +31 00.2 1.440 0.945 27.9/270 40.9 44.4 10.0 +20.4 245.8
13 00 24.02 +31 00.3 1.431 0.960 28.2/270 42.0 44.8 10.1 +21.3 246.3
14 00 21.83 +31 00.3 1.423 0.975 28.5/270 43.2 45.3 10.2 +22.2 246.9
15 00 19.62 +31 00.1 1.414 0.990 28.8/269 44.5 45.7 10.2 +23.1 247.5
16 00 17.38 +30 59.8 1.404 1.005 29.2/269 45.7 46.0 10.3 +24.1 248.0
17 00 15.11 +30 59.3 1.395 1.021 29.6/269 46.9 46.4 10.3 +25.0 248.6
18 00 12.80 +30 58.6 1.385 1.036 30.1/269 48.2 46.7 10.4 +26.0 249.2
19 00 10.47 +30 57.8 1.375 1.051 30.6/268 49.5 47.0 10.4 +27.0 249.8
20 00 08.09 +30 56.8 1.364 1.067 31.2/268 50.7 47.3 10.5 +28.0 250.4
21 00 05.67 +30 55.7 1.354 1.082 31.8/268 52.0 47.5 10.5 +29.0 251.0
22 00 03.20 +30 54.3 1.343 1.098 32.4/267 53.3 47.7 10.5 +30.1 251.6
23 00 00.69 +30 52.7 1.332 1.113 33.1/267 54.7 47.9 10.6 +31.1 252.2
24 23 58.12 +30 50.9 1.320 1.129 33.9/267 56.0 48.1 10.6 +32.2 252.8
25 23 55.50 +30 48.9 1.309 1.144 34.7/266 57.4 48.2 10.7 +33.3 253.5
26 23 52.81 +30 46.6 1.297 1.160 35.5/266 58.7 48.3 10.7 +34.4 254.1
27 23 50.06 +30 44.0 1.285 1.175 36.5/266 60.1 48.4 10.7 +35.5 254.8
28 23 47.24 +30 41.1 1.273 1.191 37.4/265 61.5 48.4 10.8 +36.7 255.5
29 23 44.35 +30 37.8 1.261 1.206 38.4/265 62.9 48.4 10.8 +37.9 256.2
30 23 41.39 +30 34.2 1.249 1.222 39.5/264 64.4 48.4 10.9 +39.1 257.0
31 23 38.35 +30 30.2 1.237 1.237 40.6/264 65.8 48.4 10.9 +40.3 257.7
June 1 23 35.22 +30 25.8 1.224 1.253 41.8/263 67.3 48.3 10.9 +41.6 258.5
m1 = 9.5 + 5 log △ + 10.0 log ｒ
NAKANO
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write mail from CFAD0::NAKANO on 2009-04-24 07:10:42(JST).
C/2009 E1 (Itagaki)
T 2009 Apr. 7.92238 TT Nakano
q 0.5997047 (2000.0) P Q
z +0.0250838 Peri. 48.96014 +0.26041043 +0.59128885
+/-0.0000482 Node 105.96202 +0.45672038 -0.77193276
e 0.9849571 Incl. 127.45164 +0.85064264 +0.23344660
a 39.87 AU P 251.7 years
From 286 observations 2009 Mar. 14-Apr. 10.
NAKANO
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write mail from CFAD0::NAKANO on 2009-04-17 06:28:28(JST).
◎C/2009 E1の軌道と予報位置
４月下旬には，彗星は，明け方の空に見えるようになります．スペインの
ゴンザレスは，標高1720-mの観測地で，４月２日の眼視全光度を7.8等と観測
しています．大気が澄んでいて，良く見えるのでしょうね．なお，予報光度
は，氏の観測に合わせてあります．明日が近日点通過が板垣さんは，日本に
はいません．
C/2009 E1 (Itagaki)
T 2009 Apr. 7.92291 TT Nakano
q 0.5997054 (2000.0) P Q
z +0.0250612 Peri. 48.96120 +0.26041977 +0.59125019
+/-0.0001045 Node 105.96056 +0.45668790 -0.77196555
e 0.9849707 Incl. 127.44956 +0.85065722 +0.23343608
a 39.90 AU P 252.1 years
From 253 observations 2009 Mar. 14-Apr. 2.
2009/ α (2000) δ △ ｒ Daily motion Elong. Phase m1 天文薄明開始時
28h JST h m ｡ , AU AU , ｡ ｡ ｡ 等 h｡ A ｡
Apr. 5 01 52.74 +26 13.9 1.363 0.602 42.5/305 23.7 42.0 8.0 -12.5 224.4
6 01 50.13 +26 37.9 1.378 0.600 41.6/303 22.9 40.5 8.0 -11.5 225.0
7 01 47.51 +27 00.4 1.392 0.600 40.8/301 22.2 39.2 8.0 -10.5 225.6
8 01 44.89 +27 21.4 1.405 0.600 39.9/299 21.6 37.9 8.0 -9.5 226.2
9 01 42.27 +27 41.0 1.417 0.601 39.1/298 21.0 36.7 8.0 -8.5 226.9
10 01 39.66 +27 59.1 1.429 0.603 38.4/296 20.5 35.6 8.1 -7.6 227.5
11 01 37.06 +28 16.0 1.439 0.606 37.6/295 20.1 34.7 8.1 -6.6 228.1
12 01 34.46 +28 31.6 1.450 0.609 36.9/293 19.8 33.8 8.2 -5.7 228.7
13 01 31.89 +28 46.1 1.459 0.613 36.2/292 19.5 33.1 8.2 -4.7 229.3
14 01 29.33 +28 59.3 1.467 0.618 35.5/290 19.4 32.6 8.2 -3.8 229.9
15 01 26.79 +29 11.6 1.475 0.624 34.8/289 19.3 32.2 8.3 -2.9 230.5
16 01 24.27 +29 22.8 1.482 0.630 34.2/288 19.4 31.9 8.4 -2.0 231.1
17 01 21.77 +29 33.0 1.488 0.637 33.5/286 19.5 31.8 8.4 -1.1 231.7
18 01 19.30 +29 42.4 1.494 0.645 32.9/285 19.8 31.7 8.5 -0.2 232.3
19 01 16.86 +29 51.0 1.499 0.653 32.4/284 20.1 31.8 8.5 +0.6 232.9
20 01 14.45 +29 58.8 1.503 0.662 31.8/283 20.5 32.1 8.6 +1.5 233.5
21 01 12.06 +30 05.9 1.506 0.672 31.3/282 21.0 32.4 8.7 +2.4 234.1
22 01 09.70 +30 12.3 1.509 0.682 30.8/281 21.5 32.7 8.7 +3.2 234.6
23 01 07.37 +30 18.2 1.511 0.692 30.3/280 22.1 33.2 8.8 +4.1 235.2
24 01 05.06 +30 23.4 1.512 0.703 29.9/279 22.8 33.7 8.9 +4.9 235.8
25 01 02.78 +30 28.2 1.512 0.714 29.5/279 23.6 34.3 8.9 +5.8 236.4
26 01 00.52 +30 32.5 1.512 0.726 29.1/278 24.3 34.9 9.0 +6.6 236.9
27 00 58.29 +30 36.3 1.512 0.738 28.8/277 25.2 35.5 9.1 +7.5 237.5
28 00 56.08 +30 39.8 1.510 0.750 28.5/276 26.0 36.1 9.1 +8.3 238.1
29 00 53.89 +30 42.9 1.509 0.762 28.2/276 27.0 36.8 9.2 +9.2 238.6
30 00 51.71 +30 45.6 1.506 0.775 27.9/275 27.9 37.4 9.3 +10.0 239.2
May 1 00 49.55 +30 48.1 1.503 0.788 27.7/275 28.9 38.1 9.4 +10.8 239.7
2 00 47.40 +30 50.2 1.500 0.802 27.6/274 29.9 38.7 9.4 +11.7 240.3
3 00 45.27 +30 52.1 1.496 0.816 27.4/274 30.9 39.4 9.5 +12.5 240.8
4 00 43.14 +30 53.8 1.491 0.829 27.4/273 31.9 40.0 9.6 +13.4 241.4
5 00 41.02 +30 55.2 1.486 0.843 27.3/273 33.0 40.6 9.6 +14.2 241.9
6 00 38.90 +30 56.5 1.481 0.858 27.3/272 34.1 41.2 9.7 +15.1 242.5
7 00 36.78 +30 57.5 1.475 0.872 27.3/272 35.2 41.8 9.7 +15.9 243.0
8 00 34.66 +30 58.4 1.468 0.886 27.3/272 36.3 42.4 9.8 +16.8 243.6
9 00 32.54 +30 59.1 1.462 0.901 27.4/271 37.4 42.9 9.9 +17.7 244.1
10 00 30.40 +30 59.6 1.455 0.916 27.6/271 38.6 43.4 9.9 +18.6 244.7
11 00 28.26 +31 00.0 1.447 0.931 27.7/271 39.7 43.9 10.0 +19.5 245.2
12 00 26.10 +31 00.2 1.439 0.946 27.9/270 40.9 44.4 10.0 +20.4 245.8
13 00 23.93 +31 00.3 1.431 0.961 28.2/270 42.1 44.9 10.1 +21.3 246.4
14 00 21.73 +31 00.3 1.422 0.976 28.5/270 43.3 45.3 10.2 +22.2 246.9
15 00 19.52 +31 00.1 1.413 0.991 28.8/269 44.5 45.7 10.2 +23.1 247.5
16 00 17.28 +30 59.7 1.404 1.006 29.2/269 45.7 46.0 10.3 +24.1 248.0
17 00 15.01 +30 59.2 1.394 1.021 29.6/269 47.0 46.4 10.3 +25.1 248.6
18 00 12.70 +30 58.6 1.385 1.037 30.1/269 48.2 46.7 10.4 +26.0 249.2
19 00 10.36 +30 57.8 1.374 1.052 30.6/268 49.5 47.0 10.4 +27.0 249.8
20 00 07.98 +30 56.8 1.364 1.067 31.2/268 50.8 47.3 10.5 +28.0 250.4
21 00 05.56 +30 55.6 1.353 1.083 31.8/268 52.1 47.5 10.5 +29.0 251.0
22 00 03.09 +30 54.2 1.342 1.098 32.4/267 53.4 47.7 10.5 +30.1 251.6
23 00 00.58 +30 52.6 1.331 1.114 33.2/267 54.7 47.9 10.6 +31.1 252.2
24 23 58.01 +30 50.8 1.320 1.129 33.9/267 56.1 48.1 10.6 +32.2 252.8
25 23 55.38 +30 48.8 1.308 1.145 34.7/266 57.4 48.2 10.7 +33.3 253.5
26 23 52.69 +30 46.5 1.297 1.160 35.6/266 58.8 48.3 10.7 +34.4 254.2
27 23 49.94 +30 43.8 1.285 1.176 36.5/266 60.2 48.4 10.7 +35.6 254.8
28 23 47.12 +30 40.9 1.273 1.191 37.5/265 61.6 48.4 10.8 +36.7 255.5
29 23 44.22 +30 37.7 1.261 1.207 38.5/265 63.0 48.4 10.8 +37.9 256.2
30 23 41.26 +30 34.0 1.248 1.223 39.6/264 64.4 48.4 10.9 +39.1 257.0
31 23 38.21 +30 30.0 1.236 1.238 40.7/264 65.9 48.4 10.9 +40.3 257.7
June 1 23 35.08 +30 25.5 1.224 1.254 41.9/263 67.4 48.3 10.9 +41.6 258.5
m1 = 9.5 + 5 log △ + 10.0 log ｒ
NAKANO
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write mail from CFAD0::NAKANO on 2009-04-06 06:51:25(JST).
◎C/2009 E1の軌道と予報位置
彗星は，４月中旬には，明け方の低空に移ります．スペインのゴンザレスは，
彗星の眼視全光度を３月14日に9.6等，15日に9.6等，20日に9.2等，21日に9.1等，
26日に8.5等と観測しています．彗星は，周期が240年ほどの長周期彗星でした．
C/2009 E1 (Itagaki)
T 2009 Apr. 7.93208 TT Nakano
q 0.5995427 (2000.0) P Q
z +0.0258260 Peri. 48.99258 +0.26057862 +0.59116477
+/-0.0002972 Node 105.96959 +0.45627620 -0.77215313
e 0.9845162 Incl. 127.44502 +0.85082948 +0.23303165
a 38.72 AU P 240.9 years
From 238 observations 2009 Mar. 14-25.
2009/ α (2000) δ △ ｒ Daily motion Elong. Phase m1 天文薄明終了時
20h JST h m ｡ , AU AU , ｡ ｡ ｡ 等 h｡ A ｡
Mar. 28 02 13.97 +21 46.4 1.220 0.642 52.0/319 31.7 54.8 9.5 +13.6 107.2
29 02 11.49 +22 25.3 1.239 0.635 50.6/317 30.6 53.3 9.5 +12.5 108.8
30 02 08.99 +23 02.3 1.257 0.628 49.3/315 29.6 51.7 9.5 +11.4 110.3
31 02 06.47 +23 37.4 1.276 0.622 48.1/314 28.6 50.2 9.5 +10.3 111.7
Apr. 1 02 03.92 +24 10.5 1.293 0.616 46.9/312 27.6 48.6 9.5 +9.2 113.2
2 02 01.37 +24 41.9 1.310 0.612 45.8/310 26.6 47.1 9.5 +8.1 114.6
3 01 58.79 +25 11.4 1.327 0.608 44.8/309 25.7 45.5 9.5 +7.0 116.0
4 01 56.20 +25 39.3 1.343 0.604 43.8/307 24.8 44.0 9.5 +6.0 117.4
5 01 53.60 +26 05.5 1.358 0.602 42.8/305 24.0 42.5 9.5 +4.9 118.8
6 01 50.99 +26 30.0 1.373 0.600 41.9/303 23.2 41.0 9.5 +3.8 120.2
7 01 48.38 +26 53.0 1.387 0.600 41.1/302 22.5 39.6 9.5 +2.7 121.5
8 01 45.76 +27 14.5 1.400 0.600 40.2/300 21.8 38.3 9.5 +1.6 122.9
9 01 43.14 +27 34.5 1.413 0.600 39.4/298 21.2 37.1 9.5 +0.5 124.2
10 01 40.52 +27 53.2 1.425 0.602 38.6/297 20.7 36.0 9.6 -0.5 125.5
11 01 37.92 +28 10.4 1.436 0.605 37.9/295 20.2 35.0 9.6 -1.6 126.9
12 01 35.32 +28 26.5 1.446 0.608 37.1/294 19.9 34.1 9.6 -2.6 128.2
13 01 32.73 +28 41.3 1.456 0.612 36.4/292 19.6 33.4 9.7 -3.7 129.6
14 01 30.17 +28 54.9 1.464 0.616 35.7/291 19.4 32.8 9.7 -4.7 130.9
15 01 27.62 +29 07.5 1.472 0.622 35.0/289 19.3 32.3 9.8 -5.7 132.2
m1 = 11.0 + 5 log △ + 10.0 log ｒ
NAKANO
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write mail from CFAD0::NAKANO on 2009-03-28 05:14:04(JST).
C/2009 E1 (Itagaki)
T 2009 Apr. 7.61063 TT Nakano
q 0.6055444 (2000.0) P Q
Peri. 47.86761 +0.25454072 +0.59378552
Node 105.63998 +0.47071063 -0.76556120
e 1.0 Incl. 127.56628 +0.84477247 +0.24765864
From 87 observations 2009 Mar. 14-17.
**** Don't distribute anyone except personal use only ****
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write mail from CFAD0::NAKANO on 2009-03-19 05:48:55(JST).
◎C/2009 E1の軌道と予報位置
山形の板垣公一氏は，３月14日夕刻に12等級の新彗星を発見しました．彗星は，
今夜（３月15日）に上尾（門田健一），高根沢（板垣），守山（井狩康一），
八束（安部裕史）で捕らえられました．ゴンザレスは，３月14日の眼視全光度を
9.6等，視直径4'.5と観測しています．
C/2009 E1 (Itagaki)
T 2009 Apr. 7.33718 TT Nakano
q 0.6084872 (2000.0) P Q
Peri. 46.98842 +0.25273992 +0.60866517
Node 105.82262 +0.48884923 -0.75114955
e 1.0 Incl. 128.58209 +0.83495447 +0.25554074
From 33 observations 2009 Mar. 14-15.
NAKANO
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write mail from CFAD0::NAKANO on 2009-03-15 22:49:48(JST).
戻ります。