MPEC 2012-L45 : 2012 HR69
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M.P.E.C. 2012-L45 Issued 2012 June 15, 22:48 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 HR69
Additional Observations:
K12H69R C2012 04 30.26910 15 06 05.89 +00 33 57.8 20.7 VoEL045691
K12H69R C2012 04 30.28686 15 06 05.03 +00 34 08.8 20.7 VoEL045691
K12H69R C2012 04 30.30458 15 06 04.18 +00 34 20.0 20.7 VoEL045691
K12H69R IC2012 06 13.13546814 33 36.73 +02 29 15.5 tEL045H21
K12H69R KC2012 06 13.14826614 33 36.58 +02 29 08.5 20.4 VtEL045H21
K12H69R KC2012 06 13.16112014 33 36.40 +02 29 02.0 20.5 VtEL045H21
K12H69R 7C2012 06 14.42152 14 33 28.75 +02 17 46.8 tEL045F65
K12H69R 7C2012 06 14.42433 14 33 28.74 +02 17 44.9 tEL045F65
K12H69R 7C2012 06 14.42700 14 33 28.72 +02 17 43.3 20.2 RtEL045F65
K12H69R 7C2012 06 14.43126 14 33 28.66 +02 17 40.9 tEL045F65
K12H69R {C2012 06 15.22766214 33 27.342+02 10 00.88 20.1 RtEL045695
K12H69R {C2012 06 15.24528414 33 27.188+02 09 50.92 20.2 RtEL045695
K12H69R {C2012 06 15.26806114 33 27.070+02 09 37.40 20.4 RtEL045695
K12H69R C2012 06 15.28029 14 33 26.95 +02 09 29.7 20.2 VtEL045G84
K12H69R C2012 06 15.29267 14 33 26.88 +02 09 22.5 20.2 VtEL045G84
K12H69R C2012 06 15.31440 14 33 26.75 +02 09 09.4 20.2 VtEL045G84
Observer details:
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m
Spacewatch telescope.
695 Kitt Peak. Observer T. Vorobjov. 1.3-m f/13 Cassegrain + CCD.
F65 Haleakala-Faulkes Telescope North. Observers P. Miller, P. Roche,
A. Tripp, R. Miles, R. Holmes, S. Foglia, L. Buzzi. Measurers L. Buzzi,
S. Foglia. 2.0-m f/10 Ritchey-Chretien + CCD.
G84 Mount Lemmon SkyCenter. Observer T. Vorobjov. 0.81-m f/7
Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurer T. Vorobjov. 0.81-m f/4.0 astrograph + CCD.
Orbital elements:
2012 HR69 Earth MOID = 0.2126 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 317.10550 (2000.0) P Q
n 0.28616846 Peri. 167.50601 +0.43856686 +0.89429936
a 2.2806302 Node 128.43682 -0.83398978 +0.44181718
e 0.4619253 Incl. 6.51043 -0.33484348 +0.07089597
P 3.44 H 19.9 G 0.15 U 4
Residuals in seconds of arc
120422 691 0.2+ 0.2+ 120430 691 0.2- 0.0 120614 F65 0.3- 0.4-
120422 691 0.2- 0.2+ 120430 691 0.0 0.1+ 120615 695 0.1+ 0.1-
120422 691 0.4- 0.1+ 120613 H21 0.1- 0.5+ 120615 695 0.2- 0.3+
120424 F51 0.0 0.2- 120613 H21 0.3+ 0.1+ 120615 695 0.4+ 0.3+
120424 F51 0.2+ 0.0 120613 H21 0.2+ 0.3+ 120615 G84 0.1- 0.1-
120424 F51 0.1+ 0.2- 120614 F65 0.3- 0.0 120615 G84 0.0 0.0
120424 F51 0.0 0.1+ 120614 F65 0.1- 0.3- 120615 G84 0.1- 0.2-
120430 691 0.1- 0.1+ 120614 F65 0.0 0.4-
Ephemeris:
2012 HR69 a,e,i = 2.28, 0.46, 7 q = 1.2271
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 05 16 14 52 18.8 +02 52 11 0.5279 1.5086 156.0 15.9 20.3
...
2012 05 31 14 39 16.0 +03 34 00 0.4868 1.4306 142.4 25.6 20.3
...
2012 06 08 14 34 55.3 +03 06 21 0.4750 1.3922 135.1 31.0 20.3
...
2012 06 14 14 33 31.3 +02 21 47 0.4693 1.3653 129.9 34.8 20.4
2012 06 15 14 33 28.0 +02 12 24 0.4686 1.3609 129.1 35.4 20.4
2012 06 16 14 33 27.8 +02 02 28 0.4680 1.3567 128.3 36.0 20.4
...
2012 06 22 14 34 36.5 +00 51 40 0.4650 1.3321 123.8 39.4 20.4
...
2012 06 30 14 39 23.5 -01 10 28 0.4632 1.3027 118.5 43.3 20.5
...
2012 07 15 14 58 33.9 -06 10 18 0.4643 1.2593 110.9 48.9 20.6
Gareth V. Williams (C) Copyright 2012 MPC M.P.E.C. 2012-L45
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