C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.73482 TT Nakano
q 5.5047545 (2000.0) P Q
z -0.0007652 Peri. 90.42906 -0.23135670 -0.96817222
+/-0.0000018 Node 345.90131 -0.97285385 +0.23078372
e 1.0042124 Incl. 156.92288 +0.00542754 +0.09685776
From 303 observations 1998 Aug. 27-2002 Apr. 12, mean residual 0".67.
(1/a)org.= +0.000057, (1/a)fut.= +0.000012 (+/-0.000002), Q= 8.
Residuals in seconds of arc
1998/ 990813 372 (2.3+ 1.3+) 000706 704 (2.7+ 0.9+)
980827 704 0.2- 0.5- 990829 402 1.6- 0.4+ 000706 704 0.4+ 1.5+
980827 704 0.6+ 1.8- 990829 402 0.6+ 1.4+ 000706 704 1.6+ 0.1-
980827 704 0.5- 0.2+ 990829 402 1.5+ 1.6+ 000706 493 0.1- 0.2+
980827 704 (0.7- 2.2-) 990910 561 0.4+ 0.6+ 000706 493 1.0- 0.1+
980827 704 (5.3- 1.0+) 990910 561 0.4+ 0.7+ 000706 493 0.3- 0.2+
1999/ 990910 561 0.8+ 0.9+ 000706 493 0.8- 0.3+
990712 704 0.8- 0.6- 990929 402 0.4+ 0.2+ 000709 608 1.6- 0.3-
990712 704 0.6+ 1.2+ 990929 402 0.4- 0.3- 000709 608 1.4- 0.1-
990712 704 0.1- 0.8+ 990929 402 0.3+ 0.3+ 000709 608 1.1- 0.2-
990712 704 (2.8+ 1.5-) 991003 360 0.6+ 0.5+ 000709 493 0.0 0.2-
990712 704 0.2+ 0.8+ 991003 360 1.2+ 0.1+ 000709 493 0.1+ 0.1-
990713 704 0.3+ 0.2+ 991003 360 1.5+ 0.6+ 000709 493 0.1- 0.2-
990713 704 0.7- 0.6- 2000/ 000721 360 0.1- 0.2-
990713 704 0.7- 0.0 000313 360 0.4+ 0.5- 000721 360 0.2- 0.3-
990713 557 0.5- 0.0 000313 360 0.4+ 0.1- 000729 349 1.2- 1.8-
990713 557 0.3+ 0.1+ 000313 360 0.1+ 0.4- 000729 349 0.8- 0.4+
990713 557 0.8- 0.1- 000314 402 0.5+ 0.1- 000729 349 0.9+ 0.1-
990714 557 0.5- 0.6- 000314 402 0.3+ 0.7- 000803 704 1.8+ 1.4+
990714 704 0.4+ 1.2- 000314 402 0.6+ 0.3- 000803 704 1.2- 0.2+
990714 704 0.1+ 0.1- 000314 360 0.2+ 0.2- 000803 704 0.6+ 0.0
990714 704 0.5- 0.6- 000314 360 0.0 0.4- 000803 704 1.0+ 0.4-
990714 704 0.1- 0.3+ 000329 349 (1.3+ 2.0-) 000803 704 0.3- 0.4-
990714 426 0.3- 0.2+ 000329 349 (2.6+ 2.0-) 000814 860 0.5+ 1.8+
990714 426 0.3- 0.5- 000405 860 1.9+ 0.3+ 000814 860 1.3+ 0.6+
990714 426 0.5+ 0.1- 000405 860 0.1+ 0.7- 000814 860 (0.4+ 2.2-)
990714 046 0.1- 1.1- 000415 118 0.3+ 0.3+ 000829 867 0.4+ 0.0
990714 046 1.3- 0.1- 000415 118 0.2+ 0.3+ 000829 867 0.4- 0.1+
990714 046 (2.3- 2.3-) 000426 704 0.3+ 0.4- 000829 867 0.7- 0.3-
990714 118 (1.0+ 2.3-) 000426 704 0.7+ 0.8- 000920 360 0.9- 0.2-
990714 118 0.3- 0.0 000426 704 0.7+ 0.6+ 000920 360 0.5- 0.1+
990715 734 0.4+ 1.6+ 000426 704 0.2- 0.4+ 2001/
990715 734 0.3- 0.2+ 000426 704 0.9+ 0.9+ 010319 699 (3.7+ 0.8+)
990715 734 0.6+ 0.1+ 000426 704 0.6+ 0.2- 010319 699 (3.7+ 0.3+)
990715 426 0.6- 0.2- 000426 704 1.0- 1.3+ 010319 699 (2.9+ 0.1+)
990715 426 0.6- 0.1- 000426 704 0.3- 0.4+ 010319 699 (3.2+ 0.2+)
990715 046 0.2- 0.2- 000426 704 0.1+ 0.3+ 010321 402 0.2+ 0.1+
990715 046 0.4- 0.3+ 000426 704 1.2- 0.3+ 010321 402 0.1- 0.3+
990715 046 0.3- 0.0 000429 402 (2.3- 3.6+) 010321 402 0.3+ 0.1-
990715 046 0.2+ 0.0 000429 402 0.5- 0.2+ 010321 867 0.2+ 0.3+
990715 108 (4.6+ 1.9-) 000503 900 0.6+ 0.5+ 010321 867 0.3- 0.3+
990715 108 (2.0+ 0.7-) 000503 900 0.7+ 0.2+ 010321 360 0.2- 0.1+
990716 704 0.1+ 0.3+ 000504 704 0.9+ 0.4- 010321 360 0.1- 0.1+
990716 704 0.1- 0.6- 000504 704 (4.3+ 3.6-) 010323 608 0.3+ 0.0
990716 704 0.4- 0.0 000504 704 (1.2- 3.0+) 010323 608 0.6+ 0.3-
990716 611 1.6+ 0.2- 000504 704 0.5- 0.5- 010323 608 0.2+ 0.5-
990716 143 1.1+ 1.2- 000504 704 1.1+ 0.3+ 010324 682 0.3+ 0.4-
990716 611 0.3+ 0.8+ 000505 867 0.5- 0.3+ 010324 682 1.0- 0.0
990716 143 1.4+ 0.1+ 000505 867 0.4- 0.4+ 010325 682 1.3+ 0.1+
990716 143 1.5+ 0.1- 000505 867 0.9+ 0.7- 010325 682 0.9+ 0.2+
990716 557 0.8- 0.3+ 000508 360 0.0 0.1- 010326 903 (6.0+ 1.0-)
990716 621 1.9- 0.3- 000508 360 0.2+ 0.5- 010326 903 (2.2+ 0.8+)
990716 557 0.3- 0.7- 000522 159 0.2- 0.2- 010326 349 0.3+ 0.1-
990716 557 0.0 0.1+ 000522 159 0.3- 0.5- 010326 349 0.1+ 1.5+
990716 621 1.0- 0.6- 000522 159 0.0 0.5- 010326 349 1.7- 1.7+
990717 621 0.6- 0.5+ 000522 159 0.9- 0.3- 010330 704 (3.1+ 1.8-)
990717 621 0.9- 0.3+ 000522 159 0.7- 1.0- 010330 704 (2.0+ 0.5-)
990717 428 0.6+ 0.4- 000529 402 0.4+ 0.3+ 010330 704 0.3+ 0.8+
990717 426 0.2- 0.2+ 000529 402 0.9+ 0.1- 010330 704 0.1+ 0.8+
990717 426 0.3- 0.3+ 000529 402 0.1+ 0.1+ 010411 170 1.3+ 0.9-
990717 426 0.2- 0.8- 000529 360 0.3- 0.3- 010414 682 0.7- 0.3+
990717 046 0.7- 0.4+ 000529 360 0.0 0.1- 010414 682 0.0 1.2+
990717 046 0.5- 0.1+ 000601 352 0.2- 0.3- 010422 900 0.1+ 1.0-
990717 118 (3.4+ 1.7-) 000601 352 0.9+ 0.3+ 010422 900 0.6+ 0.4-
990717 046 0.3- 0.2- 000601 352 1.0+ 0.6+ 010422 360 0.4- 0.3-
990717 118 0.1- 0.9- 000601 118 0.1+ 0.2- 010422 360 0.4- 0.3-
990717 046 0.2- 0.1- 000601 118 0.2+ 0.4+ 010427 704 0.4- 0.5-
990717 118 0.0 0.8- 000606 367 0.4+ 0.2- 010427 704 0.0 0.2+
990717 106 0.3+ 1.1+ 000606 367 0.7- 0.5+ 010427 704 0.2- 0.7+
990717 106 0.3+ 0.6+ 000606 367 0.3+ 0.2+ 010429 170 0.7- 0.8+
990717 621 0.7- 0.2+ 000606 900 0.1+ 0.3+ 010429 170 1.4- 0.0
990717 106 0.1+ 0.0 000606 900 0.1- 0.4+ 010501 704 0.5+ 1.3-
990717 621 0.8- 0.1+ 000607 367 0.5- 0.4- 010501 704 0.2+ 0.3+
990717 621 0.4- 0.1+ 000607 367 0.0 0.6- 010501 704 1.0+ 1.2-
990717 859 1.4+ 0.2+ 000607 367 0.1- 0.2- 010501 704 0.4+ 0.2+
990718 859 (2.1+ 1.2-) 000607 360 0.0 0.4- 010512 170 1.6- 1.4+
990718 859 1.4+ 1.0- 000607 360 0.1- 0.5- 010512 367 (2.3- 0.2+)
990718 621 0.2+ 0.1+ 000607 402 0.1+ 0.7- 010512 367 1.2- 0.1+
990718 621 0.1- 0.0 000607 402 0.2- 0.2- 010512 367 1.9- 0.4+
990718 621 0.3+ 0.3- 000607 402 0.1- 0.1- 010512 170 1.2- 1.0+
990718 621 0.1+ 0.2+ 000608 046 0.2+ 0.1+ 010519 360 0.4- 0.6-
990718 113 0.1+ 0.6+ 000608 046 0.1+ 0.2+ 010519 360 0.2- 0.5-
990722 704 1.3- 0.1+ 000608 046 0.2- 0.0 010522 699 (3.8+ 0.2+)
990722 704 0.5+ 0.4- 000609 608 0.4- 0.6+ 010522 699 (4.7+ 0.2+)
990722 704 1.0+ 0.4+ 000609 608 0.1- 0.4+ 010522 699 (3.3+ 0.8+)
990722 704 1.5+ 0.2+ 000609 608 0.3- 0.2+ 010522 699 (4.9+ 0.1-)
990722 402 0.0 0.1+ 000610 608 0.2- 0.1+ 010523 704 1.0+ 0.2+
990722 402 0.3- 0.7- 000610 608 0.9+ 0.0 010523 704 0.8+ 0.0
990722 402 0.5- 1.3- 000610 608 0.4+ 0.2- 010523 704 0.7+ 0.1-
990723 848 0.4+ 0.6+ 000611 704 0.3+ 0.5+ 010523 704 0.1+ 0.7-
990723 848 0.8+ 0.5+ 000611 704 0.3+ 0.9- 010527 170 1.6- 1.9+
990723 402 0.4- 0.3- 000611 704 0.1+ 0.3+ 010530 682 1.2+ 0.3-
990723 402 0.6+ 0.1- 000611 704 0.7+ 0.4- 010530 682 1.8+ 0.7-
990723 402 0.8+ 0.9+ 000611 704 0.1+ 0.0 010530 682 1.3+ 0.8-
990725 848 0.5+ 1.0+ 000612 704 0.1- 0.3- 010613 699 (3.6+ 0.4+)
990725 848 0.0 0.5+ 000612 704 0.2+ 0.1- 010613 699 (3.1+ 0.6-)
990725 848 0.7- 0.1+ 000612 704 0.2+ 0.1- 010613 699 (4.0+ 0.5+)
990730 402 0.6+ 0.2+ 000612 704 0.4+ 0.2+ 010613 699 (2.8+ 0.2+)
990730 402 0.7+ 0.5+ 000612 704 1.5+ 0.7- 010617 682 0.1- 0.1-
990730 402 1.1+ 0.2+ 000619 402 0.7- 0.2- 010617 682 0.3+ 0.6-
990802 621 0.5- 0.7+ 000619 402 0.9- 0.6+ 010617 682 0.4+ 0.0
990802 621 0.1+ 0.8+ 000619 402 0.1+ 0.5- 010623 504 1.3+ 0.1+
990802 621 1.3- 0.8- 000621 608 1.7- 0.3- 010623 504 1.6+ 0.4-
990803 118 0.8- 0.9+ 000621 608 0.8- 0.4- 010623 504 0.4+ 0.0
990803 118 0.6- 0.3- 000621 608 1.5- 1.3- 2002/
990804 118 1.2- 1.6- 000630 360 0.0 0.1- 020114 644 1.7- 0.6-
990804 118 (1.0- 2.1-) 000630 360 0.3- 0.1- 020313 360 1.0- 0.9-
990804 621 0.0 0.6+ 000701 349 0.2- 0.5+ 020313 360 1.0+ 1.7-
990804 621 0.1- 0.7- 000701 349 0.2+ 1.7- 020313 360 (2.2+ 0.1-)
990804 621 0.5- 0.1- 000701 349 1.2- 1.1+ 020321 170 (6.3+ 5.0-)
990806 118 1.2+ 0.1- 000704 493 0.3- 0.4- 020321 170 0.4+ 0.0
990806 118 0.1+ 0.4- 000704 493 1.0- 0.5- 020412 644 0.2- 0.5+
990808 372 (2.3+ 0.9+) 000704 493 1.1- 0.6- 020412 644 0.1+ 0.5+
990810 897 0.2- 0.6+ 000705 402 0.1- 0.3- 020412 644 0.1- 1.2+
990810 897 0.1+ 0.3- 000705 402 0.7- 0.0
990810 897 0.8- 0.5- 000705 402 0.5+ 0.1+
NAKANO
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write mail from CFAD0::NAKANO on 2003-02-19 01:17:07(JST).
◎C/1999 N4の軌道と予報位置です
昨年，久万の中村彰正氏からこの彗星の2002年３月12日の観測が報告され
ました．１夜の観測であったため，続く観測を待っていましたが，ようやく
パロマ−からのその１カ月後に行なわれた2002年４月12日の観測が報告され
ました．中村氏の CCD全光度は18.8等，パロマ−の核光度は20.9等でした．
なお，HICQ2003（=NK901）には，中村氏の１夜の観測のみを使用して改良
された軌道が公表されています．
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.73491 TT Nakano
q 5.5047540 (2000.0) P Q
z -0.0007651 Peri. 90.42907 -0.23135686 -0.96817218
+/-0.0000018 Node 345.90131 -0.97285382 +0.23078387
e 1.0042119 Incl. 156.92288 +0.00542755 +0.09685775
From 302 observations 1998 Aug. 27-2002 Apr. 12, mean residual 0".67.
(1/a)org.= +0.000057, (1/a)fut.= +0.000012 (+/-0.000002), Q= 8.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
2003 Jan. 30 18 12 25.25 +03 45.4 8.181 8.795 7.1 / 290 19.0 105 .03
31 18 12 24.80 +03 47.8 8.172 8.800 7.2 / 290 19.0 119 .01
Feb. 1 18 12 24.35 +03 50.2 8.163 8.805 7.3 / 290 19.0 132 .00
2 18 12 23.89 +03 52.7 8.153 8.810 7.4 / 290 19.0 145 .02
3 18 12 23.43 +03 55.3 8.144 8.815 7.5 / 290 19.0 158 .06
4 18 12 22.95 +03 57.8 8.136 8.820 7.6 / 290 19.0 170 .11
5 18 12 22.47 +04 00.4 8.127 8.825 7.8 / 290 19.0 177 .18
6 18 12 21.99 +04 03.1 8.119 8.830 7.9 / 290 19.0 165 .26
7 18 12 21.49 +04 05.7 8.111 8.835 8.0 / 290 19.0 153 .34
8 18 12 20.99 +04 08.4 8.104 8.840 8.1 / 290 19.0 141 .43
9 18 12 20.48 +04 11.2 8.096 8.845 8.2 / 290 19.0 129 .53
10 18 12 19.97 +04 13.9 8.089 8.850 8.3 / 290 19.0 117 .62
11 18 12 19.45 +04 16.7 8.082 8.855 8.4 / 290 19.0 105 .71
12 18 12 18.92 +04 19.5 8.076 8.860 8.5 / 290 19.0 92 .80
13 18 12 18.39 +04 22.3 8.069 8.865 8.6 / 290 19.0 79 .87
14 18 12 17.85 +04 25.2 8.063 8.870 8.6 / 290 19.0 66 .94
15 18 12 17.31 +04 28.1 8.057 8.876 8.7 / 289 19.0 52 .98
16 18 12 16.76 +04 31.0 8.052 8.881 8.8 / 289 19.0 38 1.00
17 18 12 16.20 +04 33.9 8.047 8.886 8.9 / 289 19.0 23 .99
18 18 12 15.64 +04 36.9 8.042 8.891 9.0 / 289 19.0 8 .96
19 18 12 15.07 +04 39.8 8.037 8.896 9.1 / 289 19.0 7 .90
20 18 12 14.50 +04 42.8 8.033 8.901 9.1 / 289 19.0 21 .81
21 18 12 13.92 +04 45.8 8.029 8.906 9.2 / 289 19.0 36 .72
22 18 12 13.34 +04 48.9 8.025 8.911 9.3 / 289 19.0 50 .61
23 18 12 12.75 +04 51.9 8.022 8.916 9.3 / 289 19.0 64 .49
24 18 12 12.16 +04 54.9 8.019 8.921 9.4 / 289 19.0 78 .38
25 18 12 11.57 +04 58.0 8.017 8.926 9.5 / 289 19.0 92 .28
26 18 12 10.97 +05 01.1 8.014 8.931 9.5 / 289 19.0 106 .19
27 18 12 10.37 +05 04.1 8.012 8.936 9.6 / 289 19.0 119 .12
28 18 12 09.76 +05 07.2 8.011 8.941 9.6 / 289 19.0 132 .06
Mar. 1 18 12 09.15 +05 10.3 8.009 8.946 9.7 / 289 19.0 145 .02
NAKANO
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write mail from CFAD0::NAKANO on 2003-01-30 23:15:24(JST).
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.73354 TT Nakano
q 5.5047600 (2000.0) P Q
z -0.0007661 Peri. 90.42894 -0.23135449 -0.96817276
+/-0.0000019 Node 345.90132 -0.97285438 +0.23078151
e 1.0042175 Incl. 156.92288 +0.00542736 +0.09685769
From 298 observations 1998 Aug. 27-2002 Mar. 13, mean residual 0".67.
(1/a)org.= +0.000056, (1/a)fut.= +0.000011 (+/-0.000002), Q= 8.
NAKANO
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(C) Copyright 2002 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2002-12-16 23:29:08(JST).
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.73407 TT Nakano
q 5.5047576 (2000.0) P Q
z -0.0007657 Peri. 90.42897 -0.23135540 -0.96817252
+/-0.0000019 Node 345.90129 -0.97285416 +0.23078242
e 1.0042151 Incl. 156.92288 +0.00542746 +0.09685786
From 295 observations 1998 Aug. 27-2001 June 23, mean residual 0".66.
NAKANO
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(C) Copyright 2001 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2001-07-03 00:46:31(JST).
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.73585 TT Nakano
q 5.5047452 (2000.0) P Q
z -0.0007635 Peri. 90.42917 -0.23135852 -0.96817179
+/-0.0000021 Node 345.90131 -0.97285342 +0.23078554
e 1.0042030 Incl. 156.92289 +0.00542765 +0.09685771
From 286 observations 1999 July 12-2001 May 30, mean residual 0".65.
NAKANO
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(C) Copyright 2001 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2001-06-02 22:39:55(JST).
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.73691 TT Nakano
q 5.5047464 (2000.0) P Q
z -0.0007639 Peri. 90.42927 -0.23136027 -0.96817136
+/-0.0000022 Node 345.90130 -0.97285300 +0.23078731
e 1.0042049 Incl. 156.92288 +0.00542791 +0.09685777
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2001 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2001-03-25 04:50:44(JST).
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.75399 TT Nakano
q 5.5047593 (2000.0) P Q
z -0.0007730 Peri. 90.43136 -0.23139125 -0.96816415
+/-0.0000030 Node 345.90159 -0.97284562 +0.23081846
e 1.0042554 Incl. 156.92289 +0.00543089 +0.09685566
From 227 observations 1999 July 12-2000 Sept. 20, mean residual 0".62.
NAKANO
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(C) Copyright 2000 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2000-10-10 00:33:34(JST).
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.76133 TT Nakano
q 5.5047441 (2000.0) P Q
z -0.0007729 Peri. 90.43224 -0.23140474 -0.96816099
+/-0.0000030 Node 345.90167 -0.97284240 +0.23083200
e 1.0042545 Incl. 156.92290 +0.00543198 +0.09685501
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2000 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2000-07-24 23:12:39(JST).
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.75546 TT Nakano
q 5.5047624 (2000.0) P Q
z -0.0007736 Peri. 90.43152 -0.23139356 -0.96816362
+/-0.0000029 Node 345.90162 -0.97284507 +0.23082078
e 1.0042584 Incl. 156.92289 +0.00543110 +0.09685545
From 184 observations 1999 July 12-2000 June 12, mean residual 0".59.
NAKANO
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(C) Copyright 2000 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2000-06-20 02:12:09(JST).
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.76851 TT Nakano
q 5.5047181 (2000.0) P Q
z -0.0007719 Peri. 90.43298 -0.23141873 -0.96815757
+/-0.0000033 Node 345.90158 -0.97283906 +0.23084608
e 1.0042490 Incl. 156.92289 +0.00543370 +0.09685558
From 142 observations 1999 July 12-2000 May 8, mean residual 0".63.
NAKANO
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(C) Copyright 2000 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2000-05-22 23:02:40(JST).
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.60929 TT Nakano
q 5.5052352 (2000.0) P Q
z -0.0007681 Peri. 90.41418 -0.23109972 -0.96823384
+/-0.0000043 Node 345.90167 -0.97291508 +0.23052549
e 1.0042286 Incl. 156.92291 +0.00540128 +0.09685672
From 119 observations 1999 July 12-2000 Mar. 14, mean residual 0".61.
NAKANO
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(C) Copyright 2000 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2000-03-21 01:37:42(JST).
◎C/1999 N4の軌道と予報位置です
久万の中村彰正氏（３月13日と14日），ダイニックの杉江淳氏（14日）は，
明け方の空に回ってきたこの彗星の観測に成功しました．両氏のCCD 全光度は
17.2等，18.7等（杉江），17.1等，中村氏によると，明るくなりしっかりとし
たイメ−ジだということです．なお，(1/a)org.= +0.000054, (1/a)fut.=
+0.000009, L= 7です．
C/1999 N4 (LINEAR)
Epoch 2000 May 16.0 TT = JDT 2451680.5
T 2000 May 23.60929 TT Nakano
q 5.5052352 (2000.0) P Q
z -0.0007681 Peri. 90.41418 -0.23109972 -0.96823384
+/-0.0000043 Node 345.90167 -0.97291508 +0.23052549
e 1.0042286 Incl. 156.92291 +0.00540128 +0.09685672
From 119 observations 1999 July 12-2000 Mar. 14, mean residual 0".61.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
2000 Mar. 15 18 18 17.09 -00 43.6 5.586 5.528 6.5 / 316 17.2 148 .77
16 18 18 16.78 -00 38.9 5.568 5.528 6.7 / 315 17.2 137 .86
17 18 18 16.47 -00 34.1 5.550 5.527 6.9 / 314 17.1 124 .93
18 18 18 16.14 -00 29.4 5.532 5.526 7.1 / 313 17.1 111 .97
19 18 18 15.79 -00 24.6 5.513 5.526 7.3 / 312 17.1 98 1.00
20 18 18 15.43 -00 19.7 5.495 5.525 7.4 / 311 17.1 85 .99
21 18 18 15.06 -00 14.8 5.477 5.525 7.6 / 310 17.1 73 .97
22 18 18 14.67 -00 09.9 5.458 5.524 7.8 / 309 17.1 61 .93
23 18 18 14.26 -00 05.0 5.440 5.523 8.0 / 308 17.1 49 .87
24 18 18 13.84 -00 00.0 5.422 5.523 8.2 / 307 17.1 39 .79
25 18 18 13.41 +00 05.0 5.404 5.522 8.4 / 307 17.1 30 .71
26 18 18 12.96 +00 10.0 5.385 5.522 8.6 / 306 17.1 23 .62
27 18 18 12.49 +00 15.0 5.367 5.521 8.8 / 305 17.1 21 .52
28 18 18 12.01 +00 20.1 5.349 5.521 9.0 / 304 17.1 26 .43
29 18 18 11.51 +00 25.2 5.331 5.520 9.2 / 304 17.1 34 .34
30 18 18 11.00 +00 30.3 5.313 5.519 9.5 / 303 17.0 44 .25
31 18 18 10.47 +00 35.4 5.295 5.519 9.7 / 302 17.0 55 .17
Apr. 1 18 18 09.92 +00 40.6 5.277 5.518 9.9 / 302 17.0 66 .10
2 18 18 09.36 +00 45.8 5.259 5.518 10.1 / 301 17.0 78 .05
3 18 18 08.78 +00 51.0 5.242 5.517 10.3 / 300 17.0 91 .01
4 18 18 08.19 +00 56.2 5.224 5.517 10.6 / 300 17.0 104 .00
5 18 18 07.57 +01 01.4 5.206 5.516 10.8 / 299 17.0 117 .01
6 18 18 06.94 +01 06.6 5.189 5.516 11.0 / 298 17.0 129 .05
7 18 18 06.30 +01 11.9 5.172 5.516 11.2 / 298 17.0 142 .11
8 18 18 05.63 +01 17.1 5.154 5.515 11.5 / 297 17.0 152 .20
9 18 18 04.95 +01 22.4 5.137 5.515 11.7 / 297 17.0 157 .30
10 18 18 04.26 +01 27.7 5.120 5.514 11.9 / 296 17.0 155 .41
11 18 18 03.54 +01 32.9 5.104 5.514 12.2 / 296 17.0 147 .52
12 18 18 02.81 +01 38.2 5.087 5.513 12.4 / 295 16.9 135 .63
13 18 18 02.06 +01 43.5 5.071 5.513 12.6 / 295 16.9 123 .74
14 18 18 01.30 +01 48.7 5.054 5.513 12.9 / 294 16.9 110 .83
15 18 18 00.52 +01 54.0 5.038 5.512 13.1 / 294 16.9 98 .90
16 18 17 59.72 +01 59.3 5.022 5.512 13.3 / 293 16.9 85 .96
17 18 17 58.90 +02 04.5 5.006 5.512 13.5 / 293 16.9 73 .99
18 18 17 58.07 +02 09.8 4.991 5.511 13.8 / 292 16.9 61 1.00
19 18 17 57.22 +02 15.0 4.975 5.511 14.0 / 292 16.9 50 .99
20 18 17 56.35 +02 20.2 4.960 5.511 14.2 / 291 16.9 39 .96
21 18 17 55.47 +02 25.4 4.945 5.510 14.5 / 291 16.9 30 .91
22 18 17 54.57 +02 30.6 4.930 5.510 14.7 / 291 16.9 25 .85
23 18 17 53.65 +02 35.8 4.916 5.510 14.9 / 290 16.9 24 .77
24 18 17 52.72 +02 40.9 4.902 5.509 15.1 / 290 16.9 28 .69
25 18 17 51.77 +02 46.0 4.888 5.509 15.4 / 289 16.9 36 .60
26 18 17 50.80 +02 51.1 4.874 5.509 15.6 / 289 16.8 46 .51
27 18 17 49.82 +02 56.2 4.860 5.509 15.8 / 289 16.8 57 .41
28 18 17 48.82 +03 01.2 4.847 5.508 16.0 / 288 16.8 68 .32
29 18 17 47.80 +03 06.2 4.834 5.508 16.2 / 288 16.8 80 .23
30 18 17 46.77 +03 11.2 4.821 5.508 16.4 / 287 16.8 92 .14
May 1 18 17 45.73 +03 16.1 4.809 5.508 16.6 / 287 16.8 104 .08
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2000 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2000-03-16 04:18:22(JST).
C/1999 N4 (LINEAR)
T 2000 May 26.07914 TT Nakano
q 5.4970413 (2000.0) P Q
Peri. 90.63982 -0.23561799 -0.96711066
Node 345.85525 -0.97182723 +0.23507412
e 1.0 Incl. 156.91483 +0.00599888 +0.09714485
From 99 observations 1999 July 12-Oct. 3.
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 1999 OAA/ComputingSection
write mail from CFAD0::NAKANO on 1999-10-26 05:12:24(JST).
C/1999 N4 (LINEAR)
T 2000 May 25.52630 TT Nakano
q 5.4990884 (2000.0) P Q
Peri. 90.57858 -0.23448840 -0.96738984
Node 345.86156 -0.97210125 +0.23393743
e 1.0 Incl. 156.91619 +0.00586116 +0.09710904
From 94 observations 1999 July 12-Aug. 29.
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 1999 OAA/ComputingSection
write mail from CFAD0::NAKANO on 1999-09-28 01:08:24(JST).
C/1999 N4 (LINEAR)
T 2000 May 24.53096 TT Nakano
q 5.5029855 (2000.0) P Q
Peri. 90.46970 -0.23242878 -0.96789751
Node 345.87612 -0.97259730 +0.23186420
e 1.0 Incl. 156.91929 +0.00559929 +0.09702264
From 78 observations 1999 July 12-23.
◎C/1999 N4の軌道と予報位置です
我国で最初の観測が，ダイニックの杉江淳氏から報告されました．
C/1999 N4 (LINEAR)
T 2000 May 25.39987 TT Nakano
q 5.4997145 (2000.0) P Q
Peri. 90.58192 -0.23421778 -0.96747155
Node 345.88317 -0.97216719 +0.23365936
e 1.0 Incl. 156.92126 +0.00574364 +0.09696448
From 75 observations 1999 July 12-22.
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 1999 OAA/ComputingSection
write mail from CFAD0::NAKANO on 1999-07-24 05:17:44(JST).
◎C/1999 N4の軌道と予報位置です
我国からの報告は，まだ，ありません．
C/1999 N4 (LINEAR)
T 2000 May 11.40395 TT Nakano
q 5.5510356 (2000.0) P Q
Peri. 88.85151 -0.20565484 -0.97390398
Node 345.83295 -0.97861945 +0.20497968
e 1.0 Incl. 156.90473 +0.00317156 +0.09743902
From 68 observations 1999 July 12-18.
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 1999 OAA/ComputingSection
write mail from CFAD0::NAKANO on 1999-07-21 20:07:52(JST).
戻ります。