MPEC 2012-U99 : 2012 UN138
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M.P.E.C. 2012-U99 Issued 2012 Oct. 25, 20:54 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 UN138
Observations:
K12UD8N* C2012 10 19.52164102 39 29.165+20 05 42.73 20.8 wLEU099F51
K12UD8N C2012 10 19.53588402 39 28.662+20 05 44.74 20.7 wLEU099F51
K12UD8N C2012 10 19.55013102 39 28.140+20 05 46.90 20.8 wLEU099F51
K12UD8N C2012 10 19.56437002 39 27.644+20 05 48.77 20.7 wLEU099F51
K12UD8N C2012 10 21.22867 02 38 29.60 +20 09 42.6 20.9 VoEU099691
K12UD8N C2012 10 21.24636 02 38 28.96 +20 09 44.9 20.5 VoEU099691
K12UD8N C2012 10 21.26406 02 38 28.34 +20 09 48.1 20.7 VoEU099691
K12UD8N C2012 10 24.24987 02 36 40.47 +20 16 23.5 cEU099926
K12UD8N C2012 10 24.25223 02 36 40.45 +20 16 24.3 cEU099926
K12UD8N C2012 10 24.25459 02 36 40.23 +20 16 23.9 cEU099926
K12UD8N C2012 10 24.25697 02 36 40.15 +20 16 25.2 cEU099926
K12UD8N C2012 10 24.26483 02 36 39.79 +20 16 26.4 cEU099926
K12UD8N C2012 10 24.26718 02 36 39.70 +20 16 26.8 cEU099926
K12UD8N C2012 10 25.24573 02 36 03.44 +20 18 28.3 21.3 VoEU099691
K12UD8N C2012 10 25.26341 02 36 02.78 +20 18 30.9 21.7 VoEU099691
K12UD8N C2012 10 25.28110 02 36 02.14 +20 18 32.5 21.5 VoEU099691
Observer details:
691 Steward Observatory, Kitt Peak. Observers J. V. Scotti, R. S. McMillan.
0.9-m f/3 reflector + CCD.
926 Tenagra II Observatory. Observers S. Abe, J. K. Guo, N. Panwar,
W. P. Chen, W. H. Ip. Measurer S. Abe. 0.81-m f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters,
J. Thiel, T. Goggia. Measurer PS1 Science Consortium. 1.8-m
Ritchey-Chretien + CCD.
Orbital elements:
2012 UN138
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 357.89843 (2000.0) P Q
n 0.02974931 Peri. 21.43589 +0.65947714 -0.74057324
a 10.3153703 Node 27.80884 +0.64323603 +0.46712357
e 0.6627440 Incl. 16.05232 +0.38902096 +0.48305987
P 33.13 H 15.5 G 0.15 U 6
Residuals in seconds of arc
121019 F51 0.0 0.0 121021 691 0.3- 0.3+ 121024 926 0.1- 0.9+
121019 F51 0.1+ 0.0 121024 926 1.5+ 0.1- 121025 691 0.9- 0.3-
121019 F51 0.0 0.1+ 121024 926 2.4+ 0.4+ 121025 691 0.6- 0.1+
121019 F51 0.2+ 0.0 121024 926 0.6+ 0.3- 121025 691 0.1- 0.6-
121021 691 0.8- 0.2- 121024 926 0.8+ 0.6+
121021 691 0.7- 0.4- 121024 926 0.1- 0.8+
Ephemeris:
2012 UN138 a,e,i = 10.32, 0.66, 16 q = 3.4789
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 09 25 02 49 30.0 +18 48 17 2.7289 3.5248 136.5 11.3 21.1
...
2012 10 10 02 44 26.7 +19 40 00 2.5953 3.5085 152.0 7.7 20.8
...
2012 10 18 02 40 21.1 +20 01 59 2.5462 3.5013 160.5 5.4 20.7
...
2012 10 24 02 36 49.5 +20 15 52 2.5208 3.4965 166.8 3.7 20.6
2012 10 25 02 36 12.6 +20 17 59 2.5175 3.4957 167.8 3.4 20.6
2012 10 26 02 35 35.3 +20 20 02 2.5146 3.4950 168.8 3.2 20.5
...
2012 11 01 02 31 45.9 +20 31 10 2.5028 3.4910 173.7 1.8 20.4
...
2012 11 09 02 26 36.2 +20 43 16 2.5034 3.4865 171.8 2.3 20.5
...
2012 11 24 02 17 53.9 +21 00 40 2.5542 3.4809 156.3 6.5 20.7
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-U99
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