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| Wiederentdeckung - P/2021 N4 = P/2016 U2 https://forum.vdsastro.de/viewtopic.php?t=6600 |
Seite 1 von 1 |
| Autor: | Uwe Pilz [ 31. August 2021, 06:13:49 AM ] |
| Betreff des Beitrags: | Wiederentdeckung - P/2021 N4 = P/2016 U2 |
Code: Orbital elements:
P/2021 N4
Epoch 2021 Aug. 14.0 TT = JDT 2459440.5
T 2021 Aug. 30.63190 TT Rudenko
q 2.3009643 (2000.0) P Q
n 0.18615847 Peri. 105.29919 +0.95070554 +0.27135550
a 3.0377184 Node 239.16339 -0.30584523 +0.90038886
e 0.2425353 Incl. 10.06667 +0.05116319 +0.34009718
P 5.29
From 27 observations 2016 Oct. 25-2021 Aug. 14, mean residual 0".3.
Zirka 21 mag im August 2021.https://minorplanetcenter.net/mpec/K21/K21Q96.html |
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| Autor: | Michael Möller [ 19. September 2021, 08:59:14 AM ] |
| Betreff des Beitrags: | Re: Wiederentdeckung - P/2021 N4 = P/2016 U2 |
COMET P/2016 U2 = P/2021 N4 (PANSTARRS) R. Weryk, Department of Physics and Astronomy, University of Western Ontario, has identified images of comet P/2014 N4 (cf. CBET 5019) in exposures obtained in 2016 with the Pan-STARRS1 1.8-m Ritchey-Chretien reflector at Haleakala (astrometry tabulated below). 2016 UT R.A. (2000) Decl. Mag. Oct. 25.47090 1 55 03.16 +19 46 44.8 20.9 25.48345 1 55 02.55 +19 46 38.0 20.7 25.49596 1 55 01.95 +19 46 31.3 20.7 Nov. 15.41168 1 41 37.20 +16 38 07.1 21.4 15.42539 1 41 36.80 +16 38 00.1 21.4 15.45287 1 41 36.01 +16 37 45.9 21.6 Epoch = 2021 Aug. 14.0 TT T = 2021 Aug. 30.63234 TT Peri. = 105.29934 e = 0.2425354 Node = 239.16338 2000.0 q = 2.3009640 AU Incl. = 10.06668 a = 3.0377183 AU n = 0.18615848 P = 5.29 years 2021 September 19 (CBET 5041) |
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| Autor: | Uwe Pilz [ 20. September 2021, 06:53:01 AM ] |
| Betreff des Beitrags: | Re: Wiederentdeckung - P/2021 N4 = P/2016 U2 |
auch cbet 5041 |
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