MPEC 2012-S76 : 2012 SR56
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M.P.E.C. 2012-S76 Issued 2012 Sept. 26, 17:28 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 SR56
Observations:
K12S56R* C2012 09 25.31128 01 00 24.74 +09 18 15.6 19.0 VoES076691
K12S56R C2012 09 25.32898 01 00 17.30 +09 18 11.9 19.1 VoES076691
K12S56R C2012 09 25.34667 01 00 09.92 +09 18 07.9 19.0 VoES076691
K12S56R C2012 09 25.41124 00 59 43.18 +09 17 49.4 18.8 VrES076703
K12S56R C2012 09 25.41552 00 59 41.46 +09 17 48.2 18.7 VrES076703
K12S56R HC2012 09 25.41952 00 59 39.97 +09 17 48.2 18.2 RoES076291
K12S56R C2012 09 25.41991 00 59 39.66 +09 17 46.5 18.4 VrES076703
K12S56R HC2012 09 25.42038 00 59 39.63 +09 17 47.9 18.3 RoES076291
K12S56R HC2012 09 25.42073 00 59 39.49 +09 17 47.9 18.2 RoES076291
K12S56R C2012 09 25.42425 00 59 37.93 +09 17 44.6 18.4 VrES076703
K12S56R C2012 09 25.45052 00 59 27.52 +09 17 36.5 18.4 VrES076703
K12S56R C2012 09 25.45556 00 59 25.54 +09 17 35.4 18.6 VrES076703
K12S56R C2012 09 25.46064 00 59 23.56 +09 17 33.7 18.4 VrES076703
K12S56R C2012 09 25.46572 00 59 21.62 +09 17 32.7 18.5 VrES076703
K12S56R C2012 09 25.47978 00 59 16.18 +09 17 27.4 18.4 VrES076703
K12S56R C2012 09 25.48164 00 59 15.46 +09 17 26.6 18.5 VrES076703
K12S56R C2012 09 25.48352 00 59 14.78 +09 17 25.9 18.4 VrES076703
K12S56R C2012 09 25.48537 00 59 14.10 +09 17 25.2 18.5 VrES076703
K12S56R C2012 09 25.62601 00 58 35.98 +09 16 57.2 18.6 RoES076300
K12S56R C2012 09 25.62765 00 58 35.28 +09 16 56.9 18.8 RoES076300
K12S56R C2012 09 25.62928 00 58 34.69 +09 16 56.6 18.4 RoES076300
K12S56R C2012 09 25.63422 00 58 32.74 +09 16 54.3 18.6 RoES076300
K12S56R C2012 09 25.63750 00 58 31.45 +09 16 53.4 18.6 RoES076300
K12S56R C2012 09 25.63914 00 58 30.76 +09 16 53.7 18.7 RoES076300
K12S56R KC2012 09 26.09708 00 56 08.65 +09 18 09.0 18.9 VuES076I39
K12S56R KC2012 09 26.10952 00 56 04.32 +09 18 04.7 18.5 VuES076I39
K12S56R KC2012 09 26.12190 00 56 00.26 +09 18 01.5 18.7 VuES076I39
K12S56R |C2012 09 26.23997 00 55 20.14 +09 17 25.7 19.0 VuES076807
K12S56R C2012 09 26.24078 00 55 25.77 +09 14 43.3 19.0 RcES076854
K12S56R |C2012 09 26.24251 00 55 19.23 +09 17 24.9 19.0 VuES076807
K12S56R |C2012 09 26.25024 00 55 16.53 +09 17 23.1 19.3 VuES076807
K12S56R C2012 09 26.25072 00 55 22.43 +09 14 42.5 20.0 RcES076854
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers S. Okumura, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m f/3
reflector + CCD.
703 Catalina Sky Survey. Observer J. A. Johnson. 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.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
I39 Observatorio Cruz del Sur, San Justo. Observers A. Chapman, N. D. Diaz.
0.20-m f/4 reflector + CCD.
Orbital elements:
2012 SR56 Earth MOID = 0.0036 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 44.45175 (2000.0) P Q
n 0.67233958 Peri. 284.72259 +0.25382197 +0.96725095
a 1.2904572 Node 359.98118 -0.87127504 +0.22863045
e 0.3560980 Incl. 2.30084 -0.42006453 +0.11024386
P 1.47 H 24.3 G 0.15 U 8
Residuals in seconds of arc
120925 691 0.3+ 0.1+ 120925 703 0.4- 0.0 120925 300 0.4+ 1.0-
120925 691 0.0 0.2+ 120925 703 0.3- 0.0 120925 300 0.3- 0.4-
120925 691 0.1+ 0.2+ 120925 703 0.1+ 0.6+ 120926 I39 (1.7- 2.9+)
120925 703 0.3- 0.2+ 120925 703 0.4- 0.1+ 120926 I39 1.0- 0.7+
120925 703 0.2- 0.2+ 120925 703 0.5- 0.1- 120926 I39 (3.6+ 0.3-)
120925 291 0.1+ 0.0 120925 703 0.0 0.1- 120926 807 0.4+ 0.5-
120925 703 0.7- 0.1- 120925 703 0.4+ 0.2- 120926 854 0.9- 0.3+
120925 291 0.1+ 0.0 120925 300 0.8+ 0.4+ 120926 807 0.2+ 0.6-
120925 291 0.2+ 0.1+ 120925 300 0.1- 0.5+ 120926 807 0.5+ 0.4-
120925 703 0.5- 0.7- 120925 300 0.7+ 0.5+ 120926 854 0.3+ 1.0+
120925 703 0.3- 0.6- 120925 300 0.5+ 0.8-
Ephemeris:
2012 SR56 a,e,i = 1.29, 0.36, 2 q = 0.8309
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 08 27 11 45 12.1 -07 27 31 0.1217 0.9034 26.9 149.7 27.9
...
2012 09 11 10 50 03.2 -06 53 11 0.03373 0.9739 13.4 166.2 30.7
...
2012 09 19 02 50 32.4 +09 12 23 0.01778 1.0167 132.9 46.4 17.3
...
2012 09 25 01 02 18.4 +09 20 36 0.04920 1.0502 164.0 15.2 18.7
2012 09 26 00 56 34.0 +09 16 42 0.05484 1.0559 166.2 13.1 18.9
2012 09 27 00 51 52.6 +09 12 59 0.06053 1.0616 168.1 11.2 19.0
...
2012 10 03 00 35 27.3 +08 53 49 0.09568 1.0959 175.1 4.5 19.8
...
2012 10 11 00 26 28.0 +08 34 11 0.1456 1.1420 170.1 8.7 21.0
...
2012 10 26 00 23 40.1 +08 18 47 0.2520 1.2276 155.4 19.7 22.7
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-S76
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