MPEC 2012-J31 : 2012 HH2
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M.P.E.C. 2012-J31 Issued 2012 May 11, 14:41 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 HH2
Additional Observations:
K12H02H KC2002 04 10.15681 11 53 44.56 +30 56 27.0 cEJ031644
K12H02H KC2002 04 10.16749 11 53 44.51 +30 56 27.1 cEJ031644
K12H02H KC2002 04 10.17835 11 53 44.47 +30 56 27.5 20.7 VcEJ031644
K12H02H KC2003 02 01.55759 12 12 15.83 +28 26 19.3 cEJ031644
K12H02H KC2003 02 01.56462 12 12 15.81 +28 26 19.1 cEJ031644
K12H02H KC2012 05 09.93629 13 21 09.03 +13 42 17.4 tEJ031204
K12H02H KC2012 05 09.96841 13 21 08.89 +13 42 17.6 20.6 RtEJ031204
K12H02H {C2012 05 10.26210613 21 07.206+13 42 17.38 20.3 RtEJ031695
K12H02H {C2012 05 10.27803613 21 07.089+13 42 18.13 20.5 RtEJ031695
K12H02H {C2012 05 11.27423613 21 01.503+13 42 17.00 20.4 RtEJ031695
K12H02H {C2012 05 11.29003113 21 01.432+13 42 17.04 20.2 RtEJ031695
K12H02H {C2012 05 11.32000213 21 01.258+13 42 16.94 21.3 RtEJ031695
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
K. Kuluhiwa, M. Hicks, R. Thicksten, R. Bambery, E. Hovland, T. Bickler,
J. Schroeder, L. Scherr, A. Deetz. Measurers S. Foglia, M. Tombelli.
1.2-m Oschin Schmidt + CCD.
695 Kitt Peak. Observer T. Vorobjov. 1.3-m f/13 Cassegrain + CCD.
Orbital elements:
2012 HH2
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 32.60128 (2000.0) P Q
n 0.00419481 Peri. 72.89337 -0.55383826 -0.73176766
a 38.0768691 Node 57.55556 +0.46387711 -0.66734851
e 0.3134105 Incl. 28.07859 +0.69143416 -0.13842710
P 235 H 6.2 G 0.15 U 2
Residuals in seconds of arc
020410 644 0.3- 0.0 120420 G96 0.3- 0.4+ 120501 H01 0.3+ 0.6-
020410 644 0.0 0.0 120420 G96 0.1- 0.2+ 120501 H01 0.4+ 0.5-
020410 644 0.5+ 0.4+ 120421 H01 0.2+ 0.4+ 120501 H01 0.2+ 0.4-
030201 644 0.2- 0.1+ 120421 H01 0.2+ 0.5+ 120509 204 0.5- 0.5-
030201 644 0.1- 0.5- 120421 H01 0.1+ 0.4+ 120509 204 0.1+ 0.3-
120419 H21 0.2- 0.1- 120421 H01 0.1+ 0.4+ 120510 695 0.2- 0.6-
120419 H21 0.0 0.3+ 120423 H21 0.7+ 0.1- 120510 695 0.6- 0.2+
120419 H21 0.2- 0.4+ 120423 H21 0.2+ 0.1+ 120511 695 0.3- 0.2-
120419 H21 0.0 0.2+ 120423 H21 0.2+ 0.1+ 120511 695 0.0 0.1-
120420 G96 0.0 0.3+ 120423 H21 0.1- 0.1+ 120511 695 0.1- 0.2-
120420 G96 0.4- 0.0 120501 H01 0.4+ 0.4-
Ephemeris:
2012 HH2 a,e,i = 38.08, 0.31, 28 q = 26.143
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 04 11 13 24 11.7 +13 35 25 28.7855 29.7174 158.0 0.7 21.0
...
2012 04 26 13 22 33.5 +13 40 39 28.8546 29.7294 149.9 1.0 21.0
...
2012 05 04 13 21 43.8 +13 42 00 28.9155 29.7358 143.9 1.1 21.0
...
2012 05 10 13 21 08.7 +13 42 18 28.9714 29.7406 139.0 1.3 21.1
2012 05 11 13 21 03.1 +13 42 18 28.9815 29.7414 138.1 1.3 21.1
2012 05 12 13 20 57.5 +13 42 16 28.9918 29.7422 137.3 1.3 21.1
...
2012 05 18 13 20 25.5 +13 41 45 29.0582 29.7470 132.2 1.4 21.1
...
2012 05 26 13 19 47.5 +13 40 05 29.1577 29.7534 125.2 1.6 21.1
...
2012 06 10 13 18 52.8 +13 34 02 29.3717 29.7654 111.9 1.8 21.1
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-J31
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