MPEC 2008-A10 : 2007 YP56
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M.P.E.C. 2008-A10 Issued 2008 Jan. 2, 15:50 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2007 YP56
Observations:
K07Y56P* C2007 12 30.34192 06 14 10.33 +19 14 00.1 19.2 EA010704
K07Y56P C2007 12 30.35492 06 14 11.42 +19 14 27.0 19.1 EA010704
K07Y56P C2007 12 30.36823 06 14 12.61 +19 14 54.6 18.8 EA010704
K07Y56P C2007 12 30.38130 06 14 13.72 +19 15 20.2 19.5 EA010704
K07Y56P C2007 12 31.03899 06 15 46.27 +19 34 24.0 19.6 V EA010595
K07Y56P C2007 12 31.04839 06 15 46.78 +19 34 36.5 19.7 V EA010595
K07Y56P C2007 12 31.08584 06 15 48.56 +19 35 34.4 18.7 R EA010470
K07Y56P C2007 12 31.08757 06 15 48.61 +19 35 36.4 18.5 R EA010470
K07Y56P C2007 12 31.08930 06 15 48.70 +19 35 38.3 18.7 R EA010470
K07Y56P C2007 12 31.09052 06 15 49.98 +19 35 30.9 19.2 R EA010204
K07Y56P C2007 12 31.19206 06 16 15.27 +19 38 38.5 19.2 V EA010G96
K07Y56P C2007 12 31.19406 06 16 15.34 +19 38 41.3 19.4 V EA010G96
K07Y56P C2007 12 31.19606 06 16 15.42 +19 38 44.5 19.4 V EA010G96
K07Y56P C2007 12 31.28625 06 16 17.66 +19 40 53.6 19.7 R EA010651
K07Y56P C2007 12 31.28735 06 16 17.69 +19 40 54.9 19.9 R EA010651
K07Y56P C2007 12 31.28840 06 16 17.69 +19 40 56.4 19.7 R EA010651
K07Y56P C2008 01 01.24652 06 17 31.99 +19 56 41.8 EA010701
K07Y56P C2008 01 01.26874 06 17 32.04 +19 57 00.2 EA010701
K07Y56P C2008 01 01.29096 06 17 32.06 +19 57 17.9 EA010701
K07Y56P C2008 01 01.32359 06 17 32.22 +19 57 40.7 20.5 V EA010291
K07Y56P C2008 01 01.32957 06 17 32.23 +19 57 44.9 20.6 V EA010291
K07Y56P C2008 01 01.33533 06 17 32.23 +19 57 48.6 20.6 V EA010291
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
470 Ceccano. Observer G. Masi. 0.28-m f/5 reflector + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin.
0.40-m f/4.5 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
701 Junk Bond Observatory, Sierra Vista. Observer D. Healy. 0.81-m f/4.4
Ritchey-Chretien + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
Orbital elements:
2007 YP56 Earth MOID = 0.0004 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 354.28430 (2000.0) P Q
n 0.35945103 Peri. 91.84604 +0.99475065 -0.09656722
a 1.9590382 Node 273.69655 +0.07509524 +0.91362830
e 0.7050300 Incl. 1.94396 +0.06951153 +0.39491530
P 2.74 H 25.8 G 0.15 U 7
Residuals in seconds of arc
071230 704 0.6- 0.1+ 071231 470 0.8- 0.7- 080101 701 0.3- 0.1+
071230 704 0.4- 0.3- 071231 204 0.0 0.7+ 080101 701 0.2+ 0.1-
071230 704 0.2+ 0.0 071231 G96 0.4- 0.0 080101 701 0.7+ 0.0
071230 704 0.6- 0.4- 071231 G96 0.4- 0.3- 080101 291 0.2- 0.0
071231 595 0.3- 0.2+ 071231 G96 0.3- 0.2- 080101 291 0.1- 0.0
071231 595 0.5- 0.8+ 071231 651 0.1- 0.2+ 080101 291 0.2- 0.2-
071231 470 0.3+ 0.6- 071231 651 0.1+ 0.1+
071231 470 0.5- 0.6- 071231 651 0.2- 0.3+
Ephemeris:
2007 YP56 a,e,i = 1.96, 0.71, 2 q = 0.5779
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 12 26 18 32.62 -23 03.6 0.0210 0.963 3.8 176.1
2007 12 27 18 50.61 -26 29.6 0.00873 0.975 7.5 172.4
2007 12 28 05 20.73 +06 30.1 0.00391 0.987 157.2 22.8 14.8
2007 12 29 06 08.06 +17 53.0 0.0159 0.999 172.7 7.2 17.3
2007 12 30 06 13.14 +19 00.4 0.0282 1.011 173.6 6.2 18.6
2007 12 31 06 15.79 +19 35.1 0.0405 1.024 173.7 6.1 19.4
2008 01 01 06 17.23 +19 53.9 0.0528 1.036 173.3 6.4 20.0
2008 01 02 06 18.14 +20 05.6 0.0652 1.048 172.7 6.9 20.5
2008 01 03 06 18.77 +20 13.8 0.0775 1.060 171.9 7.5 20.9
2008 01 04 06 19.25 +20 19.8 0.0900 1.072 171.1 8.1 21.3
2008 01 05 06 19.64 +20 24.4 0.102 1.084 170.3 8.8 21.6
2008 01 06 06 19.97 +20 28.2 0.115 1.096 169.4 9.5 21.9
2008 01 07 06 20.26 +20 31.3 0.128 1.109 168.5 10.2 22.2
2008 01 08 06 20.53 +20 34.0 0.140 1.121 167.5 10.9 22.5
2008 01 09 06 20.79 +20 36.3 0.153 1.133 166.6 11.6 22.7
2008 01 10 06 21.05 +20 38.3 0.166 1.145 165.7 12.3 22.9
2008 01 11 06 21.31 +20 40.2 0.179 1.157 164.7 12.9 23.1
2008 01 12 06 21.57 +20 41.8 0.191 1.169 163.8 13.6 23.3
2008 01 13 06 21.84 +20 43.3 0.205 1.180 162.9 14.2 23.5
2008 01 14 06 22.13 +20 44.7 0.218 1.192 161.9 14.8 23.7
2008 01 15 06 22.43 +20 46.0 0.231 1.204 161.0 15.4 23.9
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-A10
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