[Iaude] MPEC B146: 2012 CA21 [a=2.66,e=0.66,i=28.7,H=19.25]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Jan 28 09:09:43 EST 2024
M.P.E.C. 2024-B146 Issued 2024 January 28, 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
2012 CA21
Revision to MPEC 2012-C51
Additional Observations:
K12C21A C2021 06 11.58675720 49 52.109-06 55 48.60 24.08GVEB146F51
K12C21A C2021 06 11.59647320 49 51.729-06 55 52.69 23.78GVEB146F51
K12C21A C2021 06 16.54446320 46 24.120-07 32 09.44 23.30GVEB146F51
K12C21A C2021 06 16.55695820 46 23.520-07 32 15.62 23.16GVEB146F51
K12C21A C2021 06 16.56946920 46 22.923-07 32 21.43 23.20GVEB146F51
K12C21A C2021 07 09.47065320 23 04.702-11 11 49.29 22.89GVEB146F51
K12C21A C2021 07 09.48173520 23 03.873-11 11 56.48 22.68GVEB146F51
K12C21A C2021 07 09.49280020 23 03.083-11 12 03.93 22.49GVEB146F51
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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
210611 F51 5.8- 3.7- 210709 F51 7.1- 2.9- MPO235399 +0.05 days
Orbital elements:
2012 CA21 PHA, Earth MOID = 0.0021 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 236.52070 (2000.0) P Q
n 0.22703562 Peri. 35.87087 -0.90374263 -0.20028459
a 2.6611747 Node 127.95045 +0.18435083 -0.97973724
e 0.6564366 Incl. 28.67146 +0.38634703 -0.00101036
P 4.34 H 19.25 G 0.15 U 0
Residuals in seconds of arc
120212 703 0.4+ 1.1- 120218 J95 0.0 0.2- 120421 H36 0.1- 0.4+
120212 703 0.3- 0.5- 120219 H21 0.2+ 0.1+ 120421 H36 0.2+ 0.2-
120212 703 0.6- 0.5+ 120219 H21 0.0 0.1+ 120421 H36 0.5- 0.7-
120212 703 0.0 0.7+ 120219 H21 0.1- 0.1+ 120427 695 0.1+ 0.2+
120212 703 0.3- 1.3+ 120219 695 0.3+ 0.1+ 120427 695 0.0 0.1+
120212 703 0.5+ 0.7+ 120219 695 0.1+ 0.1- 120427 695 0.1- 0.0
120212 118 0.9- 0.0 120219 695 0.1+ 0.0 120427 695 0.0 0.2-
120212 118 (0.5+ 1.8+) 120219 J95 0.0 0.2+ 120511 H21 0.2+ 0.1-
120212 I93 1.7- 0.7- 120219 J95 0.1- 0.6+ 120511 H21 0.1- 0.1-
120212 I93 0.0 0.0 120220 H21 0.1+ 0.3- 120511 H21 0.2- 0.0
120212 I93 0.9- 0.3- 120220 H21 0.1- 0.0 120512 F51 0.1- 0.0
120213 H21 0.0 0.3+ 120220 H21 0.1- 0.0 120512 F51 0.1- 0.1+
120213 H21 0.2- 0.3+ 120221 291 0.0 0.1- 120512 F51 0.0 0.1+
120213 H21 0.0 0.3+ 120221 291 0.1+ 0.3+ 120515 H21 0.2- 0.2+
120213 I19 (1.9- 1.1+) 120221 291 0.2+ 0.2- 120515 H21 0.1+ 0.0
120213 I19 0.2- 0.4+ 120221 204 0.3+ 0.2+ 120515 H21 0.1- 0.1-
120213 I19 1.3- 0.3+ 120221 204 0.1+ 0.2- 120517 H21 0.0 0.0
120213 291 0.2- 0.1- 120222 H21 0.5+ 0.1+ 120517 H21 0.0 0.3+
120213 291 0.1- 0.5+ 120222 H21 0.4- 0.4- 120517 H21 0.1+ 0.2+
120213 291 0.1- 0.3+ 120222 H21 0.1- 0.4- 120527 H36 0.6+ 1.2+
120213 F65 0.4- 0.2- 120223 291 0.1+ 0.6- 120527 H36 0.1+ 0.4-
120213 F65 0.2- 0.0 120223 291 0.4+ 0.2- 120607 H21 0.1- 0.1+
120213 F65 0.2- 0.1- 120223 291 0.4+ 0.3- 120607 H21 0.1+ 0.3-
120213 F65 0.3- 0.2+ 120224 291 0.5+ 0.0 120607 H21 0.2+ 0.2-
120213 F65 0.3- 0.1+ 120224 291 0.2+ 0.0 120607 H21 0.3+ 0.2-
120213 B18 0.1+ 0.2- 120224 291 0.1+ 0.2+ 120607 H21 0.0 0.1-
120213 B18 0.2- 0.3+ 120224 G96 0.2+ 0.5+ 120607 H21 0.1+ 0.1-
120213 B18 0.2+ 0.0 120224 G96 0.3+ 0.3- 120609 F51 0.1- 0.3-
120213 B18 0.3- 0.3+ 120224 G96 0.1- 0.2- 120609 F51 0.1+ 0.4-
120214 807 0.0 0.2- 120224 G96 1.0+ 0.1+ 120609 F51 0.1+ 0.2-
120214 807 0.0 0.0 120225 291 0.1+ 0.1+ 120609 F51 0.0 0.0
120214 807 0.1- 0.3- 120225 291 0.1+ 0.3+ 120614 695 0.2- 0.4-
120214 807 0.1- 0.1+ 120225 291 0.0 0.3+ 120614 695 0.4- 0.0
120214 807 0.0 0.3- 120226 H21 0.3+ 0.2- 120614 695 0.5- 0.3-
120216 J95 (0.8+ 1.7+) 120226 H21 0.2- 0.2- 120712 G58 0.1+ 0.2+
120216 J95 0.2- 0.3+ 120226 H21 0.2+ 0.1- 120712 G58 0.2+ 0.3-
120217 807 (0.5+ 0.7-) 120227 H21 0.3- 0.1- 120712 G58 0.4+ 0.4+
120217 807 (0.2+ 0.5-) 120227 H21 0.3- 0.1+ 120722 H21 0.2- 0.6+
120217 807 (0.2+ 0.9-) 120227 H21 0.0 0.3+ 120722 H21 0.2- 0.1-
120217 807 (0.1+ 0.7-) 120228 H21 0.6- 0.5- 120722 H21 0.3+ 0.0
120217 H21 0.4+ 0.1+ 120228 H21 0.5- 0.3+ 210611 F51 0.2+ 0.2+
120217 H21 0.1+ 0.0 120228 H21 0.2- 0.4- 210611 F51 0.2+ 0.2+
120217 H21 0.1+ 0.1- 120302 H21 0.2- 0.3- 210616 F51 0.0 0.1+
120218 H21 0.1+ 0.0 120302 H21 0.6- 0.4- 210616 F51 0.0 0.2-
120218 H21 0.0 0.1+ 120302 H21 0.8- 0.2- 210616 F51 0.0 0.1-
120218 H21 0.0 0.3+ 120303 291 0.3- 0.3+ 210709 F51 0.1- 0.1+
120218 J95 0.6- 0.2+ 120303 291 0.1+ 0.2- 210709 F51 0.2- 0.2+
120218 J95 0.5+ 0.3+ 120303 291 0.1+ 0.5+ 210709 F51 0.2+ 0.1-
Ephemeris:
2012 CA21 a,e,i = 2.66, 0.66, 29 q = 0.9143
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 29 00 00 51.7 -25 54 04 3.8987 3.7507 74.1 14.6 25.9
...
2024 01 13 00 08 40.2 -23 58 56 4.0412 3.6917 62.5 13.7 25.9
...
2024 01 21 00 13 59.8 -22 54 51 4.1071 3.6591 56.6 13.0 25.9
...
2024 01 27 00 18 27.0 -22 06 04 4.1509 3.6340 52.3 12.4 25.9
2024 01 28 00 19 13.7 -21 57 54 4.1577 3.6298 51.6 12.3 25.9
2024 01 29 00 20 00.9 -21 49 43 4.1644 3.6256 51.0 12.2 25.9
...
2024 02 04 00 24 56.3 -21 00 27 4.2013 3.5999 46.9 11.5 25.9
...
2024 02 12 00 31 59.8 -19 54 33 4.2417 3.5650 41.6 10.6 25.8
...
2024 02 27 00 46 32.7 -17 51 46 4.2884 3.4971 32.8 8.8 25.7
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-B146
More information about the Iaude
mailing list