[Iaude] MPEC B137: 2021 VL12 [a=0.78,e=0.30,i=4.3,H=22.62]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Jan 26 09:09:45 EST 2024
M.P.E.C. 2024-B137 Issued 2024 January 26, 14:08 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 VL12
Revision to MPEC 2021-V311
Additional Observations:
K21V12L C2010 12 31.21684423 58 39.741+07 31 51.63 22.18GVEB137F51
K21V12L C2010 12 31.22969823 58 41.666+07 31 52.31 22.40GVEB137F51
K21V12L C2010 12 31.23577723 58 42.587+07 31 52.65 22.13GVEB137F51
K21V12L C2011 01 01.23676000 01 22.516+07 32 55.40 22.18GVEB137F51
K21V12L 0C2023 12 12.27186822 34 34.134+00 25 00.20 23.24GVEB137T12
K21V12L 0C2023 12 12.29390422 34 39.527+00 25 20.49 23.65GVEB137T12
K21V12L 0C2023 12 12.30135622 34 41.346+00 25 27.40 23.57GVEB137T12
K21V12L 0C2023 12 16.31332322 50 56.783+01 25 43.12 24.02GVEB137T12
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
101231 F51 36.5- 54.5- 231216 T12 23.0- 20.5- MPO782776 +0.01 days
Orbital elements:
2021 VL12 Earth MOID = 0.0278 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 32.08349 (2000.0) P Q
n 1.43675501 Peri. 315.25217 -0.39209673 +0.91733760
a 0.7778232 Node 291.55060 -0.82190065 -0.38299018
e 0.2986740 Incl. 4.25038 -0.41320634 -0.10867499
P 0.69 H 22.62 G 0.15 U 2
Residuals in seconds of arc
101231 F51 0.1+ 0.0 211113 L01 0.1+ 0.3- 211204 703 0.7+ 0.4+
101231 F51 0.1- 0.1- 211114 W34 0.9- 0.8- 211205 I52 0.2+ 0.0
101231 F51 0.0 0.0 211114 W34 0.6- 0.6- 211205 I52 0.2+ 0.0
110101 F51 0.2+ 0.1- 211114 W34 0.0 0.0 211205 I52 0.0 0.1-
211112 703 0.2- 0.2- 211114 C51 (1.1+ 1.7-) 211205 I52 0.1- 0.0
211112 703 1.0+ 0.1- 211114 C51 2.3+ 0.6- 211207 G96 0.3- 0.1-
211112 703 0.2+ 0.6+ 211115 C51 0.2- 1.8+ 211207 G96 0.0 0.2+
211112 I52 0.1- 0.2- 211115 I52 0.1+ 0.3- 211207 G96 0.1+ 0.1+
211112 I52 0.1+ 0.3- 211115 I52 0.0 0.1- 211212 I52 0.7- 0.6+
211112 I52 0.5- 0.1+ 211115 I52 0.1+ 0.0 211212 I52 0.0 0.4-
211112 I52 0.2+ 0.3+ 211115 I52 0.1- 0.0 211212 I52 0.1+ 0.8-
211112 H01 0.0 0.2- 211118 204 0.5+ 0.2+ 211212 I52 0.7+ 0.4+
211112 H01 0.1- 0.1- 211118 204 0.5+ 0.7+ 211213 691 0.1+ 0.2-
211112 H01 0.1- 0.1+ 211129 I52 0.1- 0.5+ 211213 691 0.5+ 0.0
211112 H01 0.0 0.3+ 211129 I52 0.3- 0.1- 211213 691 1.3- 0.8+
211112 587 0.1- 0.2- 211130 C95 0.1+ 0.1- 211217 695 0.1+ 0.0
211112 587 0.1- 0.0 211130 C95 0.2+ 0.2- 211217 695 0.1+ 0.1+
211112 587 0.0 0.1- 211130 C95 0.1- 0.1- 211217 695 0.0 0.1+
211112 204 0.3- 0.3+ 211130 C95 0.3- 0.3+ 211227 I52 0.4+ 0.2-
211112 204 0.0 0.3+ 211130 K19 0.7- 0.7+ 211227 I52 0.0 0.1-
211113 I52 0.0 0.1- 211130 K19 0.1- 0.9+ 211227 691 0.1- 0.1+
211113 I52 0.4- 0.6- 211130 K19 0.5+ 0.3+ 211227 691 0.2+ 0.3+
211113 I52 0.1- 0.2- 211201 G58 0.6- 0.1- 220103 291 0.6- 0.9-
211113 I52 0.0 0.1- 211201 G58 0.1- 0.3+ 220103 291 0.0 0.0
211113 L01 0.1- 0.4- 211201 G58 0.2- 0.2- 231212 T12 0.0 0.0
211113 L01 0.2- 0.0 211204 703 0.0 0.6- 231212 T12 0.0 0.1-
211113 L01 0.0 0.1- 211204 703 0.3+ 0.0 231212 T12 0.1- 0.1-
211113 L01 0.0 0.1- 211204 703 1.0+ 0.1+ 231216 T12 0.1- 0.1-
Ephemeris:
2021 VL12 a,e,i = 0.78, 0.30, 4 q = 0.5455
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 27 23 30 18.1 +03 51 26 0.4529 1.0100 80.2 73.6 23.5
...
2024 01 11 00 18 19.0 +06 43 48 0.4984 0.9976 77.0 73.9 23.7
...
2024 01 19 00 41 31.9 +08 02 34 0.5174 0.9831 74.7 74.8 23.8
...
2024 01 25 00 58 03.2 +08 55 25 0.5283 0.9686 72.7 76.0 23.8
2024 01 26 01 00 44.2 +09 03 40 0.5298 0.9659 72.3 76.2 23.8
2024 01 27 01 03 23.9 +09 11 45 0.5312 0.9631 72.0 76.4 23.8
...
2024 02 02 01 18 57.2 +09 56 37 0.5375 0.9445 69.7 78.1 23.9
...
2024 02 10 01 38 31.1 +10 45 55 0.5398 0.9152 66.3 80.9 23.9
...
2024 02 25 02 10 16.9 +11 36 14 0.5228 0.8467 58.8 89.3 24.0
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-B137
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