MPEC 2023-F100 : COMET P/2020 O1 = P/2016 N7 (Lemmon-PANSTARRS)
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M.P.E.C. 2023-F100 Issued 2023 March 22, 05:44 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET P/2020 O1 = P/2016 N7 (Lemmon-PANSTARRS)
K. Ly reports the detection of comet P/2020 O1 in images taken in July and
August, 2016 from the Subaru Telescope, Maunakea (T09). He notes a narrow,
1 arcmin-long tail at PA 249 degrees.
Observations:
PK16N070 2C2016 07 03.56813623 30 55.08 +00 04 05.7 23.2 TWEF100T09
PK16N070 2C2016 07 03.57859323 30 55.40 +00 04 07.5 23.2 TWEF100T09
PK16N070 2C2016 07 03.58896823 30 55.72 +00 04 09.1 23.1 TWEF100T09
PK16N070 2C2016 07 03.59937923 30 56.05 +00 04 11.1 23.2 TWEF100T09
PK16N070 2C2016 08 01.44949323 36 45.23 +00 12 15.4 WEF100T09
PK16N070 2C2016 08 01.56820023 36 43.84 +00 11 57.8 WEF100T09
Observer details:
T09 Subaru Telescope, Maunakea. Measurer K. Ly. 8.2-m Subaru reflector + CCD.
Orbital elements:
P/2020 O1 (Lemmon-PANSTARRS)
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Aug. 20.64369 TT Rudenko
q 2.3310346 (2000.0) P Q
n 0.22904449 Peri. 104.50294 +0.18213187 +0.98325333
a 2.6455917 Node 175.97456 -0.93357563 +0.17496363
e 0.1188986 Incl. 5.22556 -0.30864953 +0.05099631
P 4.30
From 91 observations 2016 July 3-2021 July 22, mean residual 0".2.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 02 20 09 31 47.3 +10 18 25 1.8710 2.8503 170.3 3.4 21.4
...
2023 03 07 09 20 09.6 +11 44 07 1.9183 2.8367 152.7 9.2 21.4
...
2023 03 15 09 15 31.7 +12 23 38 1.9672 2.8292 143.5 12.1 21.5
...
2023 03 21 09 13 00.0 +12 49 06 2.0131 2.8234 136.9 14.0 21.5
2023 03 22 09 12 39.8 +12 52 57 2.0215 2.8224 135.8 14.2 21.5
2023 03 23 09 12 21.1 +12 56 42 2.0300 2.8214 134.7 14.5 21.5
...
2023 03 29 09 11 01.3 +13 16 38 2.0848 2.8155 128.4 16.1 21.6
...
2023 04 06 09 10 40.6 +13 36 22 2.1661 2.8075 120.3 17.9 21.7
...
2023 04 21 09 14 14.5 +13 52 15 2.3366 2.7919 106.4 20.2 21.8
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-F100
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