MPEC 2012-H11 : 2012 HK
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M.P.E.C. 2012-H11 Issued 2012 Apr. 17, 14:38 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 HK
Observations:
K12H00K* C2012 04 16.26110 12 12 54.50 -09 12 37.6 18.4 VrEH011703
K12H00K C2012 04 16.26668 12 12 58.86 -09 10 58.3 18.0 VrEH011703
K12H00K C2012 04 16.27227 12 13 03.18 -09 09 20.3 18.0 VrEH011703
K12H00K C2012 04 16.27792 12 13 07.64 -09 07 41.5 18.1 VrEH011703
K12H00K C2012 04 16.30331 12 13 27.55 -09 00 13.3 18.0 VrEH011703
K12H00K C2012 04 16.30833 12 13 31.51 -08 58 44.7 18.2 VrEH011703
K12H00K C2012 04 16.31331 12 13 35.40 -08 57 17.2 18.0 VrEH011703
K12H00K C2012 04 16.31840 12 13 39.43 -08 55 46.6 17.8 VrEH011703
K12H00K C2012 04 16.32572 12 13 45.29 -08 53 37.7 17.8 RcEH011854
K12H00K C2012 04 16.32843 12 13 47.41 -08 52 49.2 17.8 RcEH011854
K12H00K C2012 04 16.33114 12 13 49.63 -08 52 01.9 17.8 RcEH011854
K12H00K QC2012 04 16.52046 12 16 33.16 -07 53 40.8 18.1 VrEH011E12
K12H00K QC2012 04 16.52319 12 16 35.30 -07 52 52.7 18.2 VrEH011E12
K12H00K KC2012 04 16.85746 12 21 18.30 -06 17 30.1 17.9 VvEH011I93
K12H00K KC2012 04 16.86261 12 21 22.36 -06 15 59.2 18.1 VvEH011I93
K12H00K KC2012 04 16.86944 12 21 27.77 -06 13 58.5 18.0 VvEH011I93
K12H00K KC2012 04 16.87582 12 21 32.81 -06 12 05.5 18.1 VvEH011I93
K12H00K |C2012 04 16.96910 12 22 55.44 -05 41 19.7 18.5 VoEH011807
K12H00K |C2012 04 16.97166 12 22 57.50 -05 40 34.3 19.0 VoEH011807
K12H00K |C2012 04 16.97422 12 22 59.56 -05 39 49.2 18.5 VoEH011807
K12H00K |C2012 04 16.97679 12 23 01.63 -05 39 03.9 18.6 VoEH011807
K12H00K |C2012 04 16.98190 12 23 05.74 -05 37 33.7 18.6 VoEH011807
K12H00K |C2012 04 16.98444 12 23 07.74 -05 36 49.4 18.4 VoEH011807
K12H00K KC2012 04 16.99588 12 23 16.06 -05 33 25.8 17.9 RuEH011822
K12H00K KC2012 04 16.99861 12 23 18.21 -05 32 37.6 17.8 RuEH011822
K12H00K KC2012 04 17.00134 12 23 20.38 -05 31 49.5 17.8 RuEH011822
K12H00K C2012 04 17.12332 12 25 01.81 -04 58 36.5 18.5 RoEH011G48
K12H00K C2012 04 17.12384 12 25 02.24 -04 58 27.5 18.7 RoEH011G48
K12H00K C2012 04 17.12439 12 25 02.66 -04 58 18.3 18.7 RoEH011G48
K12H00K KC2012 04 17.15192 12 25 22.10 -04 50 27.4 19.1 RuEH011H36
K12H00K KC2012 04 17.15527 12 25 24.77 -04 49 27.9 18.9 RuEH011H36
K12H00K KC2012 04 17.15701 12 25 26.11 -04 48 57.5 18.8 RuEH011H36
K12H00K KC2012 04 17.15861 12 25 27.42 -04 48 28.6 18.2 RuEH011H36
K12H00K C2012 04 17.20280 12 26 03.52 -04 35 17.6 17.8 RoEH011H01
K12H00K C2012 04 17.21782 12 26 15.15 -04 30 51.9 17.5 RoEH011H01
K12H00K C2012 04 17.22410 12 26 20.00 -04 29 00.9 17.6 RoEH011H01
K12H00K C2012 04 17.22749 12 26 22.62 -04 28 01.2 17.5 RoEH011H01
K12H00K KC2012 04 17.27775012 26 58.99 -04 13 22.9 17.7 VrEH011H21
K12H00K KC2012 04 17.28163112 27 02.02 -04 12 14.2 17.8 VrEH011H21
K12H00K KC2012 04 17.28436712 27 04.17 -04 11 25.8 17.8 VrEH011H21
K12H00K C2012 04 17.50004 12 30 10.45 -03 07 47.8 18.1 VuEH011900
K12H00K C2012 04 17.50631 12 30 15.33 -03 05 57.8 18.1 VuEH011900
K12H00K C2012 04 17.51259 12 30 20.22 -03 04 06.5 18.0 VuEH011900
Observer details:
703 Catalina Sky Survey. Observer A. D. Grauer. 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.
807 Cerro Tololo. Observers R. Holmes, T. Linder, V. Hoette. Measurers
R. Holmes, T. Linder. 0.41-m f/11 Ritchey-Chretien + CCD.
822 Cordoba. Observers C. Colazo, M. Santucho, M. Gimenez, D. Peinado,
P. Ledesma. Measurer C. Colazo. 0.36-m f/5.10 Schmidt-Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo. Observer M. Mills. 0.40-m
f/10 Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
Orbital elements:
2012 HK Earth MOID = 0.0520 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 346.48364 (2000.0) P Q
n 0.54783153 Peri. 349.85955 -0.95505738 +0.26484075
a 1.4792379 Node 206.68229 -0.24694698 -0.95931853
e 0.2885715 Incl. 17.24660 -0.16395910 -0.09781277
P 1.80 H 23.5 G 0.15 U 7
Residuals in seconds of arc
120416 703 0.4+ 0.5- 120416 I93 0.1+ 0.2- 120417 H36 0.2+ 0.6+
120416 703 0.3+ 0.6+ 120416 I93 0.1+ 0.1+ 120417 H36 0.1- 0.2+
120416 703 0.6- 0.2+ 120416 807 0.2+ 0.1- 120417 H36 0.8+ 0.8+
120416 703 0.1- 0.5- 120416 807 0.2+ 0.2+ 120417 H01 0.0 0.1+
120416 703 0.4- 0.1+ 120416 807 0.2+ 0.2+ 120417 H01 0.0 0.3+
120416 703 0.2- 0.2+ 120416 807 0.3+ 0.2+ 120417 H01 0.1- 0.3+
120416 703 0.6- 0.2- 120416 807 0.5+ 0.3+ 120417 H01 0.1- 0.0
120416 703 0.3- 0.5+ 120416 807 0.0 0.2- 120417 H21 0.1- 0.3-
120416 854 0.9+ 0.1- 120416 822 0.3- 0.2- 120417 H21 0.3- 0.4-
120416 854 0.6+ 0.5+ 120416 822 0.5- 0.1- 120417 H21 0.2- 0.4-
120416 854 1.8+ 0.0 120417 822 0.3- 0.2- 120417 900 0.7- 0.0
120416 E12 0.4- 0.0 120417 G48 0.5+ 0.0 120417 900 0.3- 0.4-
120416 E12 0.2- 0.1- 120417 G48 0.8+ 0.1- 120417 900 0.3+ 0.2+
120416 I93 0.3+ 0.3- 120417 G48 0.5+ 0.6-
120416 I93 0.0 0.3- 120417 H36 0.7- 0.3+
Ephemeris:
2012 HK a,e,i = 1.48, 0.29, 17 q = 1.0524
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 03 18 08 17 15.5 -53 26 33 0.1767 1.0686 109.9 61.1 22.1
...
2012 04 02 09 25 20.9 -47 39 24 0.1019 1.0536 119.6 55.6 20.7
...
2012 04 10 10 47 15.4 -34 10 40 0.06790 1.0526 137.1 40.4 19.4
...
2012 04 16 12 09 15.0 -10 27 20 0.05515 1.0550 158.3 20.6 18.3
2012 04 17 12 23 12.3 -05 33 40 0.05495 1.0557 160.1 18.9 18.3
2012 04 18 12 36 55.5 -00 40 13 0.05537 1.0564 160.3 18.7 18.3
...
2012 04 24 13 49 33.8 +23 05 43 0.06933 1.0625 143.8 34.0 19.3
...
2012 05 02 14 54 11.3 +37 09 12 0.1048 1.0746 127.3 48.2 20.6
...
2012 05 17 15 50 51.3 +43 00 54 0.1840 1.1085 117.6 54.0 22.0
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-H11
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