MPEC 2021-M89 : COMET P/2008 CL94 = P/2021 A12 (Lemmon)
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M.P.E.C. 2021-M89 Issued 2021 June 26, 00:28 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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/2008 CL94 = P/2021 A12 (Lemmon)
M. Micheli reports the recovery of this comet in exposures taken at Mauna
Kea Observatory (568) on Jan. 9 and 15 UT.
Observations:
PK21A120* C2021 01 09.27046205 55 31.083+32 06 05.27 22.5 G EM089568
PK21A120 C2021 01 09.27435105 55 30.970+32 06 05.24 22.7 G EM089568
PK21A120 C2021 01 09.27823405 55 30.847+32 06 05.19 22.9 G EM089568
PK21A120 C2021 01 09.28212305 55 30.725+32 06 05.19 22.6 G EM089568
PK21A120 C2021 01 09.30214005 55 30.079+32 06 04.96 23.0 G EM089568
PK21A120 C2021 01 09.31537505 55 29.650+32 06 04.85 22.5 G EM089568
PK21A120 C2021 01 15.31673005 52 30.392+32 03 59.43 22.9 G EM089568
PK21A120 C2021 01 15.32831605 52 30.055+32 03 59.13 22.8 G EM089568
PK21A120 C2021 01 15.33217605 52 29.940+32 03 59.01 22.6 G EM089568
PK21A120 C2021 01 15.36181705 52 29.081+32 03 58.22 23.0 G EM089568
PK21A120 C2021 01 15.36567705 52 28.960+32 03 58.11 22.7 G EM089568
Observer details:
568 Mauna Kea. Observers C. Schambeau, Y. Fernandez, A. McKay, M. Kelley.
Measurer M. Micheli.
Orbital elements:
P/2008 CL94 (Lemmon)
Epoch 2006 July 4.0 TT = JDT 2453920.5
T 2006 July 10.06425 TT Rudenko
q 5.4383275 (2000.0) P Q
n 0.06410714 Peri. 82.74334 -0.43702617 -0.89586955
a 6.1829883 Node 33.54094 +0.75734843 -0.41459570
e 0.1204370 Incl. 8.34192 +0.48521283 -0.15977532
P 15.4
From 74 observations 2008 Feb. 8-2021 Jan. 15, mean residual 0".5.
P/2008 CL94 (Lemmon)
Epoch 2021 Sept. 23.0 TT = JDT 2459480.5
T 2021 Sept. 20.01229 TT Rudenko
q 5.4210049 (2000.0) P Q
n 0.06440664 Peri. 80.40782 -0.39655866 -0.91454121
a 6.1638059 Node 33.31385 +0.77502617 -0.38007201
e 0.1205101 Incl. 8.34618 +0.49201185 -0.13841839
P 15.3
From 74 observations 2008 Feb. 8-2021 Jan. 15, mean residual 0".5.
P/2008 CL94 (Lemmon)
Epoch 2021 July 5.0 TT = JDT 2459400.5
T 2021 Sept. 20.56568 TT Rudenko
q 5.4209816 (2000.0) P Q
n 0.06441979 Peri. 80.44793 -0.39728640 -0.91422413
a 6.1629673 Node 33.31941 +0.77472302 -0.38069603
e 0.1203942 Incl. 8.34636 +0.49190218 -0.13879758
P 15.3
From 74 observations 2008 Feb. 8-2021 Jan. 15, mean residual 0".5.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2021 05 27 06 37 22.8 +30 00 56 6.2494 5.4292 33.1 5.9 21.3
...
2021 06 11 06 51 38.7 +29 42 36 6.3533 5.4272 22.3 4.1 21.4
...
2021 06 19 06 59 29.1 +29 31 41 6.3915 5.4263 16.7 3.1 21.4
...
2021 06 25 07 05 25.8 +29 22 59 6.4120 5.4256 12.8 2.4 21.4
2021 06 26 07 06 25.5 +29 21 30 6.4148 5.4255 12.2 2.3 21.4
2021 06 27 07 07 25.2 +29 19 59 6.4173 5.4254 11.6 2.2 21.4
...
2021 07 03 07 13 24.5 +29 10 43 6.4285 5.4248 8.4 1.6 21.4
...
2021 07 11 07 21 24.4 +28 57 43 6.4322 5.4241 6.8 1.3 21.4
...
2021 07 26 07 36 18.0 +28 31 47 6.4048 5.4229 13.6 2.5 21.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-M89
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