MPEC 2012-O47 : 2012 OP4
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M.P.E.C. 2012-O47 Issued 2012 July 31, 11:38 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 OP4
Observations:
K12O04P* C2012 07 28.03429 22 46 03.69 +09 11 01.4 18.5 VrEO047J75
K12O04P C2012 07 28.04262 22 46 05.67 +09 10 58.1 18.3 VrEO047J75
K12O04P C2012 07 28.05098 22 46 07.50 +09 10 55.0 18.3 VrEO047J75
K12O04P KC2012 07 28.11022 22 46 20.70 +09 10 32.1 18.9 RvEO047470
K12O04P KC2012 07 28.11191 22 46 21.19 +09 10 31.9 19.1 RvEO047470
K12O04P KC2012 07 28.11339 22 46 21.53 +09 10 31.0 18.8 RvEO047470
K12O04P KC2012 07 28.11483 22 46 21.87 +09 10 30.3 18.8 RvEO047470
K12O04P KC2012 07 28.13196 22 46 26.21 +09 10 26.0 18.9 VrEO047J75
K12O04P KC2012 07 28.13505 22 46 26.91 +09 10 25.0 18.7 VrEO047J75
K12O04P KC2012 07 28.13813 22 46 27.60 +09 10 23.6 19.0 VrEO047J75
K12O04P IC2012 07 28.28667422 47 04.55 +09 09 27.6 tEO047H21
K12O04P IC2012 07 28.28965022 47 05.24 +09 09 26.3 tEO047H21
K12O04P IC2012 07 28.29262022 47 05.95 +09 09 25.6 tEO047H21
K12O04P KC2012 07 28.29531322 47 06.55 +09 09 24.4 19.3 VtEO047H21
K12O04P C2012 07 28.33939 22 47 17.14 +09 09 07.6 18.6 RuEO047H36
K12O04P C2012 07 28.34399 22 47 18.24 +09 09 05.9 18.7 RuEO047H36
K12O04P C2012 07 28.34552 22 47 18.58 +09 09 05.4 18.6 RuEO047H36
K12O04P KC2012 07 28.34596 22 47 17.75 +09 09 40.9 19.4 VuEO047I48
K12O04P KC2012 07 28.35854 22 47 20.76 +09 09 36.5 uEO047I48
K12O04P KC2012 07 28.36393 22 47 22.01 +09 09 34.3 uEO047I48
K12O04P KC2012 07 28.37112 22 47 23.74 +09 09 32.3 19.4 VuEO047I48
K12O04P C2012 07 28.39704 22 47 31.18 +09 08 44.9 18.9 rEO047718
K12O04P C2012 07 28.39821 22 47 31.40 +09 08 47.4 19.8 cEO047704
K12O04P C2012 07 28.40477 22 47 32.95 +09 08 42.6 18.8 rEO047718
K12O04P C2012 07 28.40969 22 47 33.99 +09 08 44.5 19.6 cEO047704
K12O04P C2012 07 28.41451 22 47 35.30 +09 08 38.4 18.6 rEO047718
K12O04P C2012 07 28.42096 22 47 36.65 +09 08 39.7 19.2 cEO047704
K12O04P KC2012 07 28.91191 22 49 41.35 +09 05 10.4 18.2 RuEO047104
K12O04P KC2012 07 28.91728 22 49 42.72 +09 05 08.4 18.2 RuEO047104
K12O04P KC2012 07 28.92372 22 49 44.33 +09 05 05.5 18.0 RuEO047104
K12O04P KC2012 07 28.93210 22 49 46.37 +09 05 00.5 18.8 VuEO047595
K12O04P KC2012 07 28.94589 22 49 49.81 +09 04 55.8 uEO047595
K12O04P KC2012 07 28.96774 22 49 55.34 +09 04 47.9 wEO047160
K12O04P KC2012 07 28.97105 22 49 56.17 +09 04 46.7 wEO047160
K12O04P KC2012 07 28.97377 22 49 56.85 +09 04 45.1 18.4 RwEO047160
K12O04P KC2012 07 28.97648 22 49 57.54 +09 04 43.8 18.3 RwEO047160
K12O04P KC2012 07 29.03476 22 50 12.31 +09 04 18.2 18.7 VvEO047I93
K12O04P KC2012 07 29.04757 22 50 15.49 +09 04 12.5 18.7 VvEO047I93
K12O04P KC2012 07 29.06008 22 50 19.18 +09 04 13.9 19.0 VuEO047954
K12O04P KC2012 07 29.06036 22 50 18.69 +09 04 07.1 18.6 VvEO047I93
K12O04P KC2012 07 29.07315 22 50 22.36 +09 04 08.1 18.9 VuEO047954
K12O04P KC2012 07 29.08712 22 50 25.88 +09 04 02.1 18.7 VuEO047954
K12O04P |C2012 07 29.19548 22 50 54.53 +09 03 42.3 19.0 VuEO047807
K12O04P |C2012 07 29.19849 22 50 55.29 +09 03 41.0 19.2 VuEO047807
K12O04P |C2012 07 29.20150 22 50 56.04 +09 03 39.8 18.9 VuEO047807
K12O04P |C2012 07 29.20449 22 50 56.80 +09 03 38.5 19.2 VuEO047807
K12O04P |C2012 07 29.20799 22 50 57.68 +09 03 36.8 19.1 VuEO047807
K12O04P KC2012 07 29.96266 22 54 21.09 +08 56 44.0 tEO047204
K12O04P KC2012 07 29.97107 22 54 23.33 +08 56 39.1 18.4 RtEO047204
K12O04P KC2012 07 29.97953 22 54 25.63 +08 56 34.6 tEO047204
K12O04P KC2012 07 30.00663 22 54 33.11 +08 56 17.8 uEO047J95
K12O04P KC2012 07 30.01270 22 54 34.76 +08 56 14.6 uEO047J95
K12O04P KC2012 07 30.01909 22 54 36.50 +08 56 11.6 18.7 RuEO047J95
K12O04P |C2012 07 30.23915 22 55 38.41 +08 54 52.4 18.1 VuEO047807
K12O04P |C2012 07 30.24328 22 55 39.55 +08 54 50.0 19.1 VuEO047807
K12O04P |C2012 07 30.24743 22 55 40.67 +08 54 47.8 18.1 VuEO047807
K12O04P |C2012 07 30.25164 22 55 41.81 +08 54 45.4 18.4 VuEO047807
K12O04P C2012 07 30.38560 22 56 19.62 +08 52 56.2 19.2 cEO047704
K12O04P C2012 07 30.38571 22 56 19.70 +08 52 55.0 19.0 cEO047704
K12O04P C2012 07 30.39710 22 56 22.85 +08 52 49.3 19.5 cEO047704
K12O04P C2012 07 30.39721 22 56 22.90 +08 52 49.0 19.1 cEO047704
K12O04P C2012 07 30.40852 22 56 26.05 +08 52 42.5 19.8 cEO047704
K12O04P C2012 07 30.40863 22 56 26.05 +08 52 42.5 19.2 cEO047704
K12O04P C2012 07 30.41997 22 56 29.19 +08 52 36.4 19.8 cEO047704
K12O04P C2012 07 30.42008 22 56 29.24 +08 52 35.4 19.4 cEO047704
K12O04P C2012 07 30.42413322 56 30.23 +08 52 33.9 18.6 RuEO047711
K12O04P C2012 07 30.42476022 56 30.40 +08 52 33.7 18.5 RuEO047711
K12O04P C2012 07 30.42537922 56 30.57 +08 52 33.2 18.5 RuEO047711
K12O04P C2012 07 30.42599622 56 30.74 +08 52 32.9 18.6 RuEO047711
K12O04P C2012 07 30.42661322 56 30.91 +08 52 32.6 18.5 RuEO047711
K12O04P C2012 07 30.42723122 56 31.09 +08 52 32.2 18.6 RuEO047711
K12O04P C2012 07 30.42784722 56 31.27 +08 52 31.9 18.5 RuEO047711
K12O04P C2012 07 30.42846622 56 31.42 +08 52 31.4 18.5 RuEO047711
K12O04P C2012 07 30.42908322 56 31.60 +08 52 31.1 18.6 RuEO047711
K12O04P C2012 07 30.42970022 56 31.78 +08 52 30.8 18.4 RuEO047711
K12O04P C2012 07 30.43031622 56 31.94 +08 52 30.4 18.3 RuEO047711
K12O04P C2012 07 30.43093322 56 32.11 +08 52 29.9 18.5 RuEO047711
K12O04P C2012 07 30.43142 22 56 32.35 +08 52 29.5 19.7 cEO047704
K12O04P C2012 07 30.43153 22 56 32.39 +08 52 28.7 19.4 cEO047704
K12O04P C2012 07 30.43154922 56 32.28 +08 52 29.7 18.6 RuEO047711
K12O04P C2012 07 30.43216622 56 32.46 +08 52 29.2 18.5 RuEO047711
K12O04P C2012 07 30.43278422 56 32.62 +08 52 28.9 18.6 RuEO047711
K12O04P C2012 07 30.43340422 56 32.80 +08 52 28.5 18.5 RuEO047711
K12O04P C2012 07 30.43402122 56 32.97 +08 52 28.2 18.5 RuEO047711
K12O04P C2012 07 30.43463822 56 33.14 +08 52 27.8 18.6 RuEO047711
K12O04P C2012 07 30.43525522 56 33.31 +08 52 27.4 18.6 RuEO047711
K12O04P C2012 07 30.43587122 56 33.48 +08 52 27.1 18.6 RuEO047711
K12O04P C2012 07 30.43649022 56 33.65 +08 52 26.8 18.6 RuEO047711
K12O04P |C2012 07 31.22113 23 00 29.05 +08 44 46.7 19.0 VuEO047807
K12O04P |C2012 07 31.22694 23 00 30.78 +08 44 42.9 18.7 VuEO047807
K12O04P |C2012 07 31.23153 23 00 32.15 +08 44 40.3 19.1 VuEO047807
K12O04P |C2012 07 31.23536 23 00 33.32 +08 44 37.4 18.7 VuEO047807
Observer details:
104 San Marcello Pistoiese. Observer P. Bacci. Measurers P. Bacci, L. Tesi,
G. Fagioli. 0.60-m f/4 reflector + CCD.
160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
Measurer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
470 Ceccano. Observers G. Masi, F. Nocentini. Measurers G. Masi, U. Masi,
F. Nocentini. 0.43-m f/6.8 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + 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.
711 McDonald Observatory. Observer T. Lister. 1.0-m f/8 Ritchey-Chretien
+ CCD.
718 Wiggins Observatory, Tooele. Observer P. Wiggins. 0.35-m f/5.5
Schmidt-Cassegrain + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11
Ritchey-Chretien + CCD.
954 Teide Observatory. Observer N. D. Diaz. 0.26-m f/11.6 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.
I48 Observatorio El Catalejo, Santa Rosa. Observer J. Spagnotto. 0.20-m f/5
reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
J75 OAM Observatory, La Sagra. Observers S. Sanchez, J. Nomen, M. Hurtado,
J. A. Jaume, W. K. Y. Yeung, P. Rios, F. Serra, T. Valls, V. Rios. 0.45-m
f/2.8 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2012 OP4 PHA, Earth MOID = 0.0493 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 358.55412 (2000.0) P Q
n 0.31836197 Peri. 262.54388 +0.65183310 -0.72920261
a 2.1241667 Node 143.86435 +0.75645671 +0.64465198
e 0.6583571 Incl. 20.68215 -0.05372949 +0.22953730
P 3.10 H 19.7 G 0.15 U 8
Residuals in seconds of arc
120728 J75 0.2+ 0.4+ 120728 595 0.1+ 0.2- 120730 704 0.1+ 0.8+
120728 J75 1.1+ 0.0 120728 160 0.0 0.3+ 120730 704 0.2+ 1.4+
120728 J75 0.4- 0.1- 120728 160 0.0 0.5+ 120730 704 0.5+ 0.4+
120728 470 1.2- 0.1- 120728 160 0.1+ 0.1+ 120730 711 0.0 0.3-
120728 470 0.3+ 0.3+ 120728 160 0.3+ 0.0 120730 711 0.1- 0.1-
120728 470 0.2+ 0.1- 120729 I93 0.2+ 0.1+ 120730 711 0.1- 0.3-
120728 470 0.3+ 0.2- 120729 I93 0.0 0.0 120730 711 0.1- 0.2-
120728 J75 0.0 0.0 120729 954 0.0 0.3- 120730 711 0.1- 0.1-
120728 J75 0.2- 0.1+ 120729 I93 0.1+ 0.2+ 120730 711 0.0 0.2-
120728 J75 0.5- 0.1- 120729 954 1.1- 0.5- 120730 711 0.2+ 0.1-
120728 H21 0.2+ 0.0 120729 954 0.3- 0.3- 120730 711 0.1- 0.3-
120728 H21 0.1+ 0.2- 120729 807 0.1+ 0.1- 120730 711 0.0 0.2-
120728 H21 0.3+ 0.2+ 120729 807 0.1+ 0.1- 120730 711 0.1+ 0.1-
120728 H21 0.2- 0.0 120729 807 0.0 0.0 120730 711 0.0 0.2-
120728 H36 0.2+ 0.5- 120729 807 0.1+ 0.0 120730 711 0.0 0.3-
120728 H36 0.5+ 0.4- 120729 807 0.1+ 0.1- 120730 704 0.0 1.2+
120728 H36 0.2+ 0.3- 120729 204 0.0 0.2+ 120730 704 0.2+ 0.5+
120728 I48 0.9- 0.3- 120729 204 0.5- 0.3- 120730 711 0.0 0.1-
120728 I48 0.3- 0.2+ 120729 204 0.3- 0.4- 120730 711 0.1+ 0.3-
120728 I48 0.7- 0.1+ 120730 J95 0.0 0.2- 120730 711 0.1- 0.2-
120728 I48 0.3- 1.0+ 120730 J95 0.0 0.2- 120730 711 0.1+ 0.2-
120728 718 0.3+ 0.2- 120730 J95 0.1+ 0.2+ 120730 711 0.0 0.2-
120728 704 1.7+ 0.4- 120730 807 0.1+ 0.1- 120730 711 0.0 0.2-
120728 718 0.5- 0.5+ 120730 807 0.3+ 0.2- 120730 711 0.0 0.2-
120728 704 0.1+ 1.2+ 120730 807 0.1+ 0.1- 120730 711 0.0 0.2-
120728 718 0.1+ 0.1+ 120730 807 0.0 0.2- 120730 711 0.0 0.1-
120728 704 0.1+ 0.8+ 120730 704 0.9- 1.1+ 120731 807 0.3- 0.3-
120728 104 0.6- 0.5- 120730 704 0.2- 0.0 120731 807 0.2- 0.3-
120728 104 0.2- 0.2- 120730 704 0.1- 0.9+ 120731 807 0.1- 0.2+
120728 104 0.2- 0.5- 120730 704 0.2+ 0.7+ 120731 807 0.3+ 0.2-
120728 595 0.1+ 1.3- 120730 704 0.6+ 0.8+
Ephemeris:
2012 OP4 a,e,i = 2.12, 0.66, 21 q = 0.7257
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 07 01 21 47 01.2 +07 48 49 0.6897 1.5210 125.0 33.2 21.2
...
2012 07 16 22 12 03.4 +09 15 39 0.4637 1.3714 132.2 33.3 20.1
...
2012 07 24 22 31 59.3 +09 25 42 0.3520 1.2897 135.2 33.7 19.4
...
2012 07 30 22 54 30.3 +08 56 44 0.2731 1.2279 136.5 34.7 18.8
2012 07 31 22 59 20.4 +08 46 53 0.2605 1.2176 136.6 34.9 18.6
2012 08 01 23 04 36.1 +08 35 03 0.2480 1.2072 136.6 35.3 18.5
...
2012 08 07 23 49 15.6 +06 22 10 0.1779 1.1453 134.2 39.4 17.8
...
2012 08 15 02 00 50.3 -02 29 22 0.1112 1.0636 114.4 60.1 17.2
...
2012 08 30 07 12 24.2 -15 56 57 0.1864 0.9181 55.9 114.5 20.3
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-O47
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