MPEC 2023-O88 : COMET P/2010 TO20 = P/2023 H6 (LINEAR-Grauer)
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M.P.E.C. 2023-O88 Issued 2023 July 27, 02:57 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/2010 TO20 = P/2023 H6 (LINEAR-Grauer)
M. Micheli and C. Schambeau report the recovery of comet P/2010 TO20
(LINEAR-Grauer) in images taken on April 20 and May 25 UT with Gemini
South (I11).
Observations:
PK23H060*5C2023 04 20.39241322 15 31.817-13 13 43.73 23.0 GVEO088I11
PK23H060 5C2023 04 20.39416322 15 31.876-13 13 43.47 23.1 GVEO088I11
PK23H060 5C2023 04 20.39591822 15 31.952-13 13 42.96 VEO088I11
PK23H060 5C2023 04 20.39766622 15 32.006-13 13 42.81 23.2 GVEO088I11
PK23H060 5C2023 04 20.39941622 15 32.066-13 13 42.50 23.6 GVEO088I11
PK23H060 5C2023 04 20.40118322 15 32.130-13 13 42.07 22.9 GVEO088I11
PK23H060 5C2023 04 20.40293322 15 32.192-13 13 41.87 VEO088I11
PK23H060 5C2023 04 20.40468422 15 32.255-13 13 41.50 23.2 GVEO088I11
PK23H060 5C2023 05 25.32041622 32 24.309-11 49 44.22 22.8 GVEO088I11
PK23H060 5C2023 05 25.32567522 32 24.416-11 49 43.87 22.7 GVEO088I11
PK23H060 5C2023 05 25.33093622 32 24.512-11 49 43.38 23.3 GVEO088I11
Observer details:
I11 Gemini South Observatory, Cerro Pachon. Observer C. Schambeau. Measurer
M. Micheli. 8.1-m Gemini South + CCD.
Orbital elements:
P/2010 TO20 (LINEAR-Grauer)
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Dec. 1.16787 TT Rudenko
q 5.5083261 (2000.0) P Q
n 0.06997283 Peri. 267.79298 +0.65630552 +0.75391254
a 5.8324331 Node 43.27442 -0.67390855 +0.60342316
e 0.0555698 Incl. 2.47877 -0.33927914 +0.25980063
P 14.1
From 92 observations 2009 July 14-2023 May 25, mean residual 0".8.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 06 27 22 37 45.2 -11 32 16 4.9680 5.5199 118.1 9.4 19.9
...
2023 07 12 22 36 18.4 -11 46 41 4.7806 5.5216 132.8 7.8 19.8
...
2023 07 20 22 34 33.2 -11 59 38 4.6970 5.5226 140.9 6.7 19.8
...
2023 07 26 22 32 49.9 -12 11 23 4.6435 5.5234 147.0 5.7 19.8
2023 07 27 22 32 30.8 -12 13 29 4.6354 5.5235 148.1 5.6 19.8
2023 07 28 22 32 11.2 -12 15 38 4.6275 5.5236 149.1 5.4 19.7
...
2023 08 03 22 30 03.7 -12 29 14 4.5857 5.5244 155.4 4.4 19.7
...
2023 08 11 22 26 50.7 -12 48 51 4.5448 5.5255 163.8 2.9 19.7
...
2023 08 26 22 20 04.9 -13 27 20 4.5178 5.5275 177.1 0.5 19.7
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-O88
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