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| Wiederentdeckung: COMET P/2015 Q1 = P/2021 P5 (Scotti) https://forum.vdsastro.de/viewtopic.php?t=6597 |
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| Autor: | Michael Möller [ 29. August 2021, 06:52:48 AM ] |
| Betreff des Beitrags: | Wiederentdeckung: COMET P/2015 Q1 = P/2021 P5 (Scotti) |
Orbital elements: P/2015 Q1 (Scotti) Epoch 2015 Sept. 15.0 TT = JDT 2457280.5 T 2015 Sept. 9.15650 TT Rudenko q 1.7516758 (2000.0) P Q n 0.15519460 Peri. 198.96538 +0.74983999 -0.64383293 a 3.4294014 Node 203.30981 +0.64584701 +0.76227562 e 0.4892182 Incl. 22.64888 +0.14360230 -0.06644567 P 6.35 From 386 observations 2015 Aug. 18-2021 Aug. 16, mean residual 0".8. P/2015 Q1 (Scotti) Epoch 2022 Mar. 2.0 TT = JDT 2459640.5 T 2022 Feb. 13.36824 TT Rudenko q 1.8136785 (2000.0) P Q n 0.15232046 Peri. 199.85680 +0.74482386 -0.65066265 a 3.4724065 Node 202.84612 +0.65204935 +0.75679827 e 0.4776883 Incl. 22.39208 +0.14166531 -0.06240590 P 6.47 From 386 observations 2015 Aug. 18-2021 Aug. 16, mean residual 0".8. MPEC 2021-Q75 |
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| Autor: | Uwe Pilz [ 01. September 2021, 06:22:35 AM ] |
| Betreff des Beitrags: | Re: Wiederentdeckung: COMET P/2015 Q1 = P/2021 P5 (Scotti) |
auch cbet 5026. 18,5 mag am 25. August. |
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| Autor: | Michael Möller [ 18. September 2021, 10:09:17 AM ] |
| Betreff des Beitrags: | Re: Wiederentdeckung: COMET P/2015 Q1 = P/2021 P5 (Scotti) |
Neue Bahnelemente: (CBET 5038) The following linked orbital elements by S. Nakano (CBAT) are from 359 observations spanning 2002-2021 (mean residual 0".7). The comet passed 0.58 AU and 1.54 AU from Jupiter on 2005 Dec. 2 and 2017 Dec. 8 UT, respectively. Epoch = 2002 Oct. 13.0 TT T = 2002 Oct. 8.13816 TT Peri. = 195.15148 e = 0.4461073 Node = 205.76071 2000.0 q = 1.9503707 AU Incl. = 23.45493 a = 3.5212068 AU n = 0.14916494 P = 6.61 years Epoch = 2009 May 9.0 TT T = 2009 Apr. 30.98772 TT Peri. = 198.75683 e = 0.4893379 Node = 203.37773 2000.0 q = 1.7498483 AU Incl. = 22.65902 a = 3.4266264 AU n = 0.15538316 P = 6.34 years Epoch = 2015 Sept.15.0 TT T = 2015 Sept. 9.15504 TT Peri. = 198.96479 e = 0.4892169 Node = 203.31006 2000.0 q = 1.7516813 AU Incl. = 22.64897 a = 3.4294034 AU n = 0.15519446 P = 6.35 years Epoch = 2022 Mar. 2.0 TT T = 2022 Feb. 13.36773 TT Peri. = 199.85616 e = 0.4776873 Node = 202.84639 2000.0 q = 1.8136825 AU Incl. = 22.39218 a = 3.4724073 AU n = 0.15232041 P = 6.47 years Epoch = 2028 Aug. 17.0 TT T = 2028 Aug. 9.23783 TT Peri. = 199.98018 e = 0.4766251 Node = 202.79615 2000.0 q = 1.8208697 AU Incl. = 22.36768 a = 3.4790924 AU n = 0.15188159 P = 6.49 years Epoch = 2035 Feb. 2.0 TT T = 2035 Feb. 3.36281 TT Peri. = 199.84795 e = 0.4755591 Node = 202.78295 2000.0 q = 1.8274108 AU Incl. = 22.35073 a = 3.4844931 AU n = 0.15152862 P = 6.50 years The astrometric CCD magnitudes indicate that the comet was intrinsically brighter in 2015-2016 than in 2002 and 2021 by about 3 magnitudes; the ephemeris below uses photometric power-law parameters H = 15.5 and 2.5n = 10 for the magnitudes, which follow the 2002 and 2021 brightness data. Close photometric monitoring of the comet during the remainder of the current return is encouraged. |
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| Autor: | Uwe Pilz [ 20. September 2021, 06:51:20 AM ] |
| Betreff des Beitrags: | Re: Wiederentdeckung: COMET P/2015 Q1 = P/2021 P5 (Scotti) |
Auch in cbet 5038: Code: Epoch = 2002 Oct. 13.0 TT
T = 2002 Oct. 8.13816 TT Peri. = 195.15148
e = 0.4461073 Node = 205.76071 2000.0
q = 1.9503707 AU Incl. = 23.45493
a = 3.5212068 AU n = 0.14916494 P = 6.61 years
Epoch = 2009 May 9.0 TT
T = 2009 Apr. 30.98772 TT Peri. = 198.75683
e = 0.4893379 Node = 203.37773 2000.0
q = 1.7498483 AU Incl. = 22.65902
a = 3.4266264 AU n = 0.15538316 P = 6.34 years
Epoch = 2015 Sept.15.0 TT
T = 2015 Sept. 9.15504 TT Peri. = 198.96479
e = 0.4892169 Node = 203.31006 2000.0
q = 1.7516813 AU Incl. = 22.64897
a = 3.4294034 AU n = 0.15519446 P = 6.35 years
Epoch = 2022 Mar. 2.0 TT
T = 2022 Feb. 13.36773 TT Peri. = 199.85616
e = 0.4776873 Node = 202.84639 2000.0
q = 1.8136825 AU Incl. = 22.39218
a = 3.4724073 AU n = 0.15232041 P = 6.47 years
Epoch = 2028 Aug. 17.0 TT
T = 2028 Aug. 9.23783 TT Peri. = 199.98018
e = 0.4766251 Node = 202.79615 2000.0
q = 1.8208697 AU Incl. = 22.36768
a = 3.4790924 AU n = 0.15188159 P = 6.49 years
Epoch = 2035 Feb. 2.0 TT
T = 2035 Feb. 3.36281 TT Peri. = 199.84795
e = 0.4755591 Node = 202.78295 2000.0
q = 1.8274108 AU Incl. = 22.35073
a = 3.4844931 AU n = 0.15152862 P = 6.50 years
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