Nakano Note (Nakano wa Kangaeru noda) NK 4756
Epoch changed orbits from the previous NKs
(These are not published in NKs yet) 207P/NEAT T = 2024 Jan. 31.80938 TT Epoch = 2024 Feb. 20.0 TT Peri. = 272.98476 e = 0.7583609 Node = 198.15854 (2000.0) a = 3.8827755 AU Inc. = 10.20097 n'= 0.12882218 q = 0.9382303 AU P = 7.651 years From NK 2514 using 116 observations 2000-2009, mean residual 0".75. C/2002 R1 (SOHO) T = 2024 Mar. 9.75706 TT Epoch = 2024 Feb. 20.0 TT Peri. = 39.65333 e = 0.9840859 Node = 63.77539 (2000.0) a = 3.0775637 AU Inc. = 18.98812 n'= 0.18255490 q = 0.0489767 AU P = 5.399 years From 43 observations 2002-2008 (unpublished on NK), mean residual 9".30. P/2013 R3-A (Catalina-PANSTARRS) T = 2024 Mar. 20.21749 TT Epoch = 2024 Mar. 31.0 TT Peri. = 11.43305 e = 0.2755533 Node = 341.93775 (2000.0) a = 3.0309135 AU Inc. = 0.86456 n'= 0.18678576 q = 2.1957353 AU P = 5.277 years From NK 2774 using 334 observations 2013 Sept. 15-2014 Feb. 13, mean residual 0".62. P/2013 R3-B (Catalina-PANSTARRS) T = 2024 Mar. 20.60396 TT Epoch = 2024 Mar. 31.0 TT Peri. = 11.38146 e = 0.2755921 Node = 341.98425 (2000.0) a = 3.0311166 AU Inc. = 0.86584 n'= 0.18676699 q = 2.1957647 AU P = 5.277 years From NK 2775 using 271 observations 2013 Sept. 15-2014 Feb. 13, mean residual 0".58. D/1894 F1 (Denning) T = 2024 June 6.83360 TT Epoch = 2024 June 19.0 TT Peri. = 200.19491 e = 0.6612598 Node = 292.96157 (2000.0) a = 4.1454869 AU Inc. = 4.92541 n'= 0.11677255 q = 1.4042430 AU P = 8.440 years From Buckley's orbit (JBAA 89, a 2016 prediction on NK 2530) using 103 observations 1894 Mar. 27-June 5. P/2003 T12 (SOHO) T = 2024 July 3.75491 TT Epoch = 2024 June 19.0 TT Peri. = 219.79709 e = 0.7702725 Node = 174.56717 (2000.0) a = 2.5842013 AU Inc. = 11.02110 n'= 0.23725456 q = 0.5936622 AU P = 4.154 years From NK 3080 using 189 observations 2003-2016, mean residual 2".52. P/2014 C1 (TOTAS) T = 2024 July 26.86877 TT Epoch = 2024 July 29.0 TT Peri. = 24.08988 e = 0.4519761 Node = 167.80888 (2000.0) a = 3.0293064 AU Inc. = 2.69322 n'= 0.18693441 q = 1.6601322 AU P = 5.272 years From NK 2958 using 47 observations 2014 Feb. 1-May 8, mean residual 0".54. D/1918 W1 (Schorr) T = 2024 Sept.29.23846 TT Epoch = 2024 Oct. 17.0 TT Peri. = 326.46999 e = 0.3173892 Node = 75.91333 (2000.0) a = 4.1657594 AU Inc. = 6.80481 n'= 0.11592118 q = 2.8435924 AU P = 8.502 years From NK 1055 using 19 observations 1918 Nov. 23-Dec. 31, mean residual 1".54. C/2002 Q8 (SOHO) T = 2024 Oct. 11.20090 TT Epoch = 2024 Oct. 17.0 TT Peri. = 55.12091 e = 0.9828386 Node = 48.25140 (2000.0) a = 3.1390579 AU Inc. = 11.44428 n'= 0.17721688 q = 0.0538705 AU P = 5.562 years From NK 1932 (= NK 3215) using 24 observations 2002-2008, mean residual 8".46. C/2003 Q1 (SOHO) T = 2024 Oct. 20.46481 TT Epoch = 2024 Oct. 17.0 TT Peri. = 27.14772 e = 0.9846519 Node = 77.49030 (2000.0) a = 3.0413101 AU Inc. = 23.32435 n'= 0.18582880 q = 0.0466784 AU P = 5.304 years From NK 2164 (= NK 3215) using 15 observations 2003-2008. 3D/Biela (First component) T = 2024 Oct. 24.59420 TT Epoch = 2024 Oct. 17.0 TT Peri. = 279.22743 e = 0.7676138 Node = 189.14031 (2000.0) a = 3.5518374 AU Inc. = 7.02458 n'= 0.14723954 q = 0.8253981 AU P = 6.694 years From AJ 76 (= NK 851A, NK 1621, NK 2889) using 26 observations 1826-1852, mean residual 1".70. D/1766 G1 (Helfenzrieder) T = 2024 Nov. 1.65231 TT Epoch = 2024 Oct. 17.0 TT Peri. = 175.82493 e = 0.8518891 Node = 93.41793 (2000.0) a = 2.7256810 AU Inc. = 8.82230 n'= 0.21902391 q = 0.4037030 AU P = 4.500 years From Yeomans'es orbit (QJ 26, 2011, 2015, 2020 predictions on NK 1621, NK 2327, NK 3440, respectively) using 22 observations 1766 Apr. 9-May 3. C/2003 Q6 (SOHO) T = 2024 Nov. 29.66109 TT Epoch = 2024 Nov. 26.0 TT Peri. = 25.60304 e = 0.9849043 Node = 77.83227 (2000.0) a = 3.0494151 AU Inc. = 23.56637 n'= 0.18508842 q = 0.0460329 AU P = 5.325 years From NK 2164 (= NK 3215) using 23 observations 2003-2008. C/2002 S11 (SOHO) T = 2024 Dec. 4.36104 TT Epoch = 2024 Nov. 26.0 TT Peri. = 56.81499 e = 0.9840608 Node = 45.61271 (2000.0) a = 3.1415363 AU Inc. = 12.65148 n'= 0.17700720 q = 0.0500737 AU P = 5.568 years From YC 2588 (= NK 3215) using 35 observations 2002-2008, mean residual 8".98. A/2017 MB1 T = 2024 Dec. 29.55077 TT Epoch = 2025 Jan. 5.0 TT Peri. = 264.79062 e = 0.7523108 Node = 126.80657 (2000.0) a = 2.3739863 AU Inc. = 8.50470 n'= 0.26945532 q = 0.5880108 AU P = 3.658 years From 450 observations 2017 June 19-2018 Feb. 12, mean residual 0".34.
Associate of the CBAT Syuichi Nakano 2022 July 5