MPEC 2012-O18 : 2012 OA1
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M.P.E.C. 2012-O18 Issued 2012 July 21, 17:10 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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
2012 OA1
Observations:
K12O01A* C2012 07 18.42743 22 59 29.79 +01 01 25.6 19.1 VrEO018703
K12O01A C2012 07 18.43363 22 59 30.44 +01 01 51.5 18.8 VrEO018703
K12O01A C2012 07 18.43980 22 59 31.09 +01 02 18.7 19.6 VrEO018703
K12O01A C2012 07 18.44600 22 59 31.77 +01 02 46.8 19.2 VrEO018703
K12O01A C2012 07 18.47520 22 59 34.90 +01 04 54.2 18.8 VrEO018703
K12O01A C2012 07 18.47656 22 59 34.94 +01 05 01.3 18.9 VrEO018703
K12O01A C2012 07 18.47794 22 59 35.05 +01 05 07.1 18.7 VrEO018703
K12O01A KC2012 07 19.00516 23 00 44.53 +01 43 12.3 tEO018204
K12O01A KC2012 07 19.01161 23 00 45.24 +01 43 40.0 18.9 RtEO018204
K12O01A KC2012 07 19.01177 23 00 45.70 +01 43 44.7 19.0 RuEO018B49
K12O01A KC2012 07 19.01298 23 00 45.82 +01 43 49.9 19.6 RuEO018B49
K12O01A KC2012 07 19.01808 23 00 45.92 +01 44 08.1 tEO018204
K12O01A KC2012 07 19.01939 23 00 46.47 +01 44 17.8 18.3 RuEO018B49
K12O01A KC2012 07 19.02103 23 00 46.69 +01 44 24.2 19.3 RuEO018B49
K12O01A KC2012 07 19.02603 23 00 47.24 +01 44 46.3 19.7 RuEO018B49
K12O01A KC2012 07 19.03361 23 00 47.90 +01 45 16.8 18.8 RuEO018B49
K12O01A |C2012 07 19.22830 23 01 12.53 +02 00 26.0 19.5 VuEO018807
K12O01A |C2012 07 19.23062 23 01 12.78 +02 00 35.8 19.4 VuEO018807
K12O01A |C2012 07 19.23292 23 01 13.01 +02 00 45.9 19.3 VuEO018807
K12O01A |C2012 07 19.23522 23 01 13.25 +02 00 55.6 19.9 VuEO018807
K12O01A |C2012 07 19.23752 23 01 13.49 +02 01 05.2 18.8 VuEO018807
K12O01A KC2012 07 19.34872923 01 25.75 +02 07 52.0 19.0 VtEO018H21
K12O01A KC2012 07 19.35091323 01 25.98 +02 08 01.2 19.0 VtEO018H21
K12O01A KC2012 07 19.35322523 01 26.22 +02 08 11.1 19.1 VtEO018H21
K12O01A KC2012 07 19.35524523 01 26.42 +02 08 19.8 19.0 VtEO018H21
K12O01A HC2012 07 19.45667 23 01 38.02 +02 15 38.5 18.9 RoEO018291
K12O01A HC2012 07 19.45720 23 01 38.07 +02 15 40.6 18.9 RoEO018291
K12O01A HC2012 07 19.45771 23 01 38.13 +02 15 42.7 19.0 RoEO018291
K12O01A KC2012 07 20.09110 23 02 54.53 +02 59 52.7 18.6 VvEO018I93
K12O01A KC2012 07 20.10028 23 02 55.45 +03 00 30.9 18.7 VvEO018I93
K12O01A KC2012 07 20.10894 23 02 56.28 +03 01 06.7 18.2 VvEO018I93
K12O01A KC2012 07 20.32672 23 03 22.40 +03 16 11.6 18.5 RuEO018H36
K12O01A KC2012 07 20.33050 23 03 22.76 +03 16 27.3 18.4 RuEO018H36
K12O01A KC2012 07 20.33353 23 03 23.04 +03 16 39.8 18.4 RuEO018H36
K12O01A C2012 07 20.38211 23 03 28.33 +03 20 04.7 19.0 cEO018704
K12O01A HC2012 07 20.38663 23 03 29.05 +03 20 24.6 18.6 RoEO018291
K12O01A HC2012 07 20.38716 23 03 29.10 +03 20 26.8 18.6 RoEO018291
K12O01A HC2012 07 20.38769 23 03 29.15 +03 20 28.8 18.6 RoEO018291
K12O01A C2012 07 20.39372 23 03 29.42 +03 20 52.6 19.1 cEO018704
K12O01A C2012 07 20.40567 23 03 30.56 +03 21 41.8 19.3 cEO018704
K12O01A C2012 07 20.41789 23 03 31.69 +03 22 32.3 19.3 cEO018704
K12O01A C2012 07 20.43017 23 03 32.78 +03 23 22.8 19.4 cEO018704
K12O01A C2012 07 21.02883 23 04 41.60 +04 03 44.9 19.3 RuEO018176
K12O01A C2012 07 21.03037 23 04 41.73 +04 03 51.2 19.4 RuEO018176
K12O01A C2012 07 21.03190 23 04 41.87 +04 03 57.3 19.5 RuEO018176
K12O01A C2012 07 21.03344 23 04 41.99 +04 04 03.2 19.5 RuEO018176
K12O01A C2012 07 21.03497 23 04 42.13 +04 04 09.4 19.4 RuEO018176
K12O01A KC2012 07 21.08900 23 04 46.65 +04 07 43.6 19.1 RuEO018160
K12O01A KC2012 07 21.09326 23 04 47.03 +04 08 00.4 19.2 RuEO018160
K12O01A KC2012 07 21.09746 23 04 47.38 +04 08 17.4 19.7 RuEO018160
K12O01A KC2012 07 21.10666 23 04 48.29 +04 08 53.3 18.9 RuEO018160
K12O01A KC2012 07 21.10972 23 04 48.56 +04 09 05.5 18.7 RuEO018160
K12O01A KC2012 07 21.11396 23 04 48.94 +04 09 23.0 18.7 RuEO018160
K12O01A KC2012 07 21.30007023 05 10.77 +04 21 48.0 19.4 VtEO018H21
K12O01A KC2012 07 21.30357123 05 11.09 +04 22 01.8 19.3 VtEO018H21
K12O01A KC2012 07 21.30706923 05 11.41 +04 22 15.7 19.4 VtEO018H21
K12O01A KC2012 07 21.31038623 05 11.71 +04 22 29.0 19.3 VtEO018H21
K12O01A KC2012 07 21.38066 23 05 18.36 +04 27 08.5 18.3 RuEO018H36
K12O01A KC2012 07 21.38516 23 05 18.73 +04 27 25.6 17.8 RuEO018H36
K12O01A KC2012 07 21.38842 23 05 19.02 +04 27 39.4 18.3 RuEO018H36
Observer details:
160 Castelmartini. Observers E. Prosperi, S. Prosperi. Measurer E. Prosperi.
0.35-m f/10 Schmidt-Cassegrain + CCD.
176 Observatorio Astronomico de Consell. Observers A. Lopez, R. Pacheco.
0.41-m f/4 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
703 Catalina Sky Survey. Observer A. Boattini. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall. 1.0-m
f/2.15 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11
Ritchey-Chretien + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 Newtonian
reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
Orbital elements:
2012 OA1 Earth MOID = 0.0915 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 26.25963 (2000.0) P Q
n 0.31839814 Peri. 357.92146 +0.38405557 +0.91620326
a 2.1240058 Node 294.64741 -0.84529509 +0.29907955
e 0.4786979 Incl. 7.22685 -0.37145326 +0.26668899
P 3.10 H 21.4 G 0.15 U 7
Residuals in seconds of arc
120718 703 0.9+ 1.2+ 120719 807 0.4+ 0.5- 120720 704 0.6+ 1.1+
120718 703 0.6+ 0.2- 120719 H21 0.5+ 0.1+ 120720 704 0.2- 1.2+
120718 703 0.5+ 0.2- 120719 H21 0.6+ 0.0 120721 176 0.7+ 0.1+
120718 703 0.7+ 0.7+ 120719 H21 0.6+ 0.0 120721 176 0.4+ 0.2+
120718 703 0.7+ 0.4- 120719 H21 0.5+ 0.1+ 120721 176 0.4+ 0.2+
120718 703 0.9- 0.7+ 120719 291 0.4+ 0.3+ 120721 176 0.0 0.1-
120718 703 1.5- 0.5+ 120719 291 0.3+ 0.2+ 120721 176 0.0 0.1-
120719 204 0.7+ 0.2+ 120719 291 0.5+ 0.1+ 120721 160 0.1+ 0.6+
120719 204 0.6+ 0.0 120720 I93 0.7+ 0.1- 120721 160 0.0 0.3+
120719 B49 1.3+ 0.7+ 120720 I93 0.9+ 0.1- 120721 160 0.5- 0.5+
120719 B49 1.1+ 0.7+ 120720 I93 0.5+ 0.2- 120721 160 0.6+ 0.4-
120719 204 0.2+ 0.2+ 120720 H36 0.7+ 0.2- 120721 160 0.4+ 0.4-
120719 B49 0.2+ 0.9+ 120720 H36 0.6+ 0.1- 120721 160 0.3+ 0.1+
120719 B49 0.9+ 0.2+ 120720 H36 0.4+ 0.1- 120721 H21 0.4+ 0.3+
120719 B49 0.9+ 0.7+ 120720 704 0.4+ 0.5+ 120721 H21 0.5+ 0.1+
120719 B49 1.6- 1.5- 120720 291 0.3+ 0.2+ 120721 H21 0.5+ 0.1+
120719 807 0.5+ 0.2- 120720 291 0.3+ 0.2+ 120721 H21 0.6+ 0.2+
120719 807 0.6+ 0.3- 120720 291 0.3+ 0.1+ 120721 H36 0.6+ 0.3+
120719 807 0.4+ 0.1- 120720 704 0.4+ 0.7+ 120721 H36 0.2+ 0.4-
120719 807 0.4+ 0.2- 120720 704 0.7+ 0.7+ 120721 H36 0.3+ 0.5+
Ephemeris:
2012 OA1 a,e,i = 2.12, 0.48, 7 q = 1.1072
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 06 21 21 01 15.1 -38 48 02 0.1419 1.1267 138.7 36.6 18.9
...
2012 07 06 22 21 28.8 -16 54 41 0.1284 1.1079 132.8 42.3 18.8
...
2012 07 14 22 48 37.7 -04 46 48 0.1353 1.1084 130.0 44.6 19.0
...
2012 07 20 23 02 43.0 +02 54 11 0.1454 1.1135 129.1 45.1 19.2
2012 07 21 23 04 36.6 +04 02 21 0.1474 1.1148 129.0 45.1 19.2
2012 07 22 23 06 23.0 +05 08 01 0.1494 1.1161 129.0 45.0 19.2
...
2012 07 28 23 14 44.4 +10 50 32 0.1633 1.1266 129.6 44.0 19.4
...
2012 08 05 23 20 43.1 +16 22 30 0.1848 1.1465 132.1 41.0 19.6
...
2012 08 20 23 20 19.7 +21 41 07 0.2323 1.1998 140.3 32.6 20.0
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-O18
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