MPEC 2012-H37 : 2012 HN2
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M.P.E.C. 2012-H37 Issued 2012 Apr. 21, 11:08 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 HN2
Observations:
K12H02N* C2012 04 18.44577 15 10 26.18 +08 37 53.6 19.8 VrEH037703
K12H02N C2012 04 18.45174 15 10 25.14 +08 37 31.0 19.9 VrEH037703
K12H02N C2012 04 18.45780 15 10 24.09 +08 37 10.5 18.9 VrEH037703
K12H02N C2012 04 18.46397 15 10 22.94 +08 36 48.9 20.1 VrEH037703
K12H02N C2012 04 18.46793 15 10 22.33 +08 36 34.2 19.7 VrEH037703
K12H02N C2012 04 18.47089 15 10 21.82 +08 36 24.0 19.4 VrEH037703
K12H02N C2012 04 18.47390 15 10 21.25 +08 36 11.6 19.4 VrEH037703
K12H02N C2012 04 18.47685 15 10 20.82 +08 36 03.2 19.7 VrEH037703
K12H02N KC2012 04 18.60152 15 10 00.20 +08 29 02.0 18.7 RoEH037474
K12H02N KC2012 04 18.60505 15 09 59.60 +08 28 48.7 18.5 RoEH037474
K12H02N KC2012 04 18.60857 15 09 59.00 +08 28 36.3 19.0 RoEH037474
K12H02N KC2012 04 19.17521 15 08 23.00 +07 54 40.6 19.3 RuEH037821
K12H02N KC2012 04 19.17598 15 08 22.86 +07 54 37.8 19.3 RuEH037821
K12H02N KC2012 04 19.17675 15 08 22.73 +07 54 35.0 19.4 RuEH037821
K12H02N KC2012 04 19.17753 15 08 22.59 +07 54 32.4 19.6 RuEH037821
K12H02N KC2012 04 19.31748115 07 58.14 +07 45 44.7 19.2 VrEH037H21
K12H02N KC2012 04 19.32166815 07 57.39 +07 45 29.7 19.3 VrEH037H21
K12H02N KC2012 04 19.32520015 07 56.77 +07 45 16.8 19.3 VrEH037H21
K12H02N C2012 04 19.51232 15 07 24.782+07 34 09.55 19.9 gLEH037F51
K12H02N C2012 04 19.52370 15 07 22.752+07 33 28.95 20.0 gLEH037F51
K12H02N C2012 04 19.54615 15 07 18.731+07 32 07.83 19.2 rLEH037F51
K12H02N C2012 04 19.56795 15 07 15.58 +07 31 10.9 19.0 RoEH037474
K12H02N C2012 04 19.56866 15 07 15.48 +07 31 08.6 18.9 RoEH037474
K12H02N C2012 04 19.56936 15 07 15.34 +07 31 05.9 19.1 RoEH037474
K12H02N C2012 04 19.57007 15 07 15.15 +07 31 02.8 19.1 RoEH037474
K12H02N C2012 04 19.57078 15 07 15.07 +07 31 00.6 19.0 RoEH037474
K12H02N C2012 04 19.57147 15 07 14.97 +07 30 58.3 18.9 RoEH037474
K12H02N C2012 04 20.40766 15 04 52.448+06 40 17.59 20.1 gLEH037F51
K12H02N C2012 04 20.40903 15 04 51.20 +06 40 08.6 19.7 VrEH037G96
K12H02N C2012 04 20.40962 15 04 51.09 +06 40 06.6 19.6 VrEH037G96
K12H02N C2012 04 20.41018 15 04 50.98 +06 40 04.5 19.7 VrEH037G96
K12H02N C2012 04 20.41922 15 04 50.365+06 39 35.71 20.3 gLEH037F51
K12H02N C2012 04 20.43182 15 04 48.113+06 38 50.29 19.7 rLEH037F51
K12H02N C2012 04 20.44307 15 04 46.101+06 38 09.73 19.7 rLEH037F51
K12H02N C2012 04 21.26517 15 02 25.52 +05 48 27.2 18.9 RcEH037651
K12H02N C2012 04 21.26626 15 02 25.31 +05 48 23.1 18.9 RcEH037651
K12H02N C2012 04 21.26735 15 02 25.11 +05 48 19.6 18.9 RcEH037651
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
0.68-m Schmidt + CCD.
821 Cordoba-Bosque Alegre. Observers C. Colazo, P. Guzzo. Measurer C. Colazo.
1.54-m f/4.8 reflector + 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.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.61-m f/4.0
astrograph + CCD.
Orbital elements:
2012 HN2 Earth MOID = 0.3973 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 4.74802 (2000.0) P Q
n 0.23257212 Peri. 118.72821 -0.88589598 -0.30788784
a 2.6187716 Node 45.90897 +0.00489913 -0.75415150
e 0.5280256 Incl. 28.88789 +0.46385807 -0.58005224
P 4.24 H 19.8 G 0.15 U 7
Residuals in seconds of arc
120418 703 0.6- 0.1+ 120419 821 0.0 0.1- 120419 474 0.3+ 0.2+
120418 703 0.4- 1.1- 120419 821 0.0 0.1+ 120420 F51 0.2+ 0.0
120418 703 0.1- 0.1+ 120419 H21 0.1- 0.0 120420 G96 0.1- 0.1-
120418 703 1.0- 0.6+ 120419 H21 0.2- 0.1+ 120420 G96 0.2- 0.0
120418 703 0.3+ 0.2+ 120419 H21 0.1- 0.1- 120420 G96 0.3- 0.0
120418 703 0.5+ 0.6+ 120419 F51 0.2- 0.2- 120420 F51 0.1- 0.1-
120418 703 0.1- 1.0- 120419 F51 0.0 0.2+ 120420 F51 0.0 0.0
120418 703 1.2+ 1.1+ 120419 F51 0.1- 0.1+ 120420 F51 0.1+ 0.1+
120418 474 0.0 0.1+ 120419 474 0.1+ 0.1+ 120421 651 0.2+ 0.1-
120418 474 0.3+ 0.6- 120419 474 0.5+ 0.4+ 120421 651 0.1- 0.3-
120418 474 0.6+ 0.4- 120419 474 0.2+ 0.2+ 120421 651 0.2- 0.2+
120419 821 0.0 0.0 120419 474 0.7- 0.4-
120419 821 0.1- 0.1- 120419 474 0.0 0.0
Ephemeris:
2012 HN2 a,e,i = 2.62, 0.53, 29 q = 1.2360
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 03 22 16 08 44.7 +29 51 05 0.4827 1.2762 114.7 45.2 20.5
...
2012 04 06 15 42 56.4 +19 58 02 0.4286 1.3268 132.1 34.0 20.0
...
2012 04 14 15 22 48.7 +12 57 06 0.4142 1.3606 144.1 25.6 19.7
...
2012 04 20 15 06 01.8 +07 04 59 0.4141 1.3885 153.9 18.6 19.6
2012 04 21 15 03 10.5 +06 04 41 0.4152 1.3934 155.5 17.4 19.5
2012 04 22 15 00 19.1 +05 04 12 0.4165 1.3983 157.1 16.3 19.5
...
2012 04 28 14 43 26.0 -00 55 58 0.4313 1.4289 165.8 10.0 19.4
...
2012 05 06 14 22 56.5 -08 20 21 0.4693 1.4722 169.0 7.5 19.5
...
2012 05 21 13 55 33.6 -18 54 47 0.5900 1.5597 152.6 17.4 20.5
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-H37
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