MPEC 2007-Y24 : 2007 YG1
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M.P.E.C. 2007-Y24 Issued 2007 Dec. 18, 20:07 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 YG1
Observations:
K07Y01G* C2007 12 16.45543 08 22 57.54 +28 23 51.2 20.6 V EY024G96
K07Y01G C2007 12 16.46293 08 22 57.03 +28 23 49.9 20.7 V EY024G96
K07Y01G C2007 12 16.46976 08 22 56.49 +28 23 48.5 20.8 V EY024G96
K07Y01G C2007 12 16.47665 08 22 56.02 +28 23 47.4 20.7 V EY024G96
K07Y01G C2007 12 17.45590 08 21 47.95 +28 20 56.7 20.6 V EY024G96
K07Y01G C2007 12 17.45932 08 21 47.66 +28 20 55.8 20.5 V EY024G96
K07Y01G C2007 12 17.46267 08 21 47.41 +28 20 55.2 20.3 V EY024G96
K07Y01G C2007 12 17.46602 08 21 47.19 +28 20 54.7 20.4 V EY024G96
K07Y01G C2007 12 18.26859 08 20 49.75 +28 18 31.8 EY024291
K07Y01G C2007 12 18.27330 08 20 49.40 +28 18 31.0 EY024291
K07Y01G C2007 12 18.27742 08 20 49.10 +28 18 30.2 EY024291
K07Y01G C2007 12 18.32464 08 20 45.56 +28 18 22.2 20.3 V EY024G96
K07Y01G C2007 12 18.33029 08 20 45.13 +28 18 21.2 20.5 V EY024G96
K07Y01G C2007 12 18.33587 08 20 44.70 +28 18 20.3 20.6 V EY024G96
K07Y01G C2007 12 18.34147 08 20 44.26 +28 18 19.2 20.5 V EY024G96
K07Y01G C2007 12 18.34976 08 20 43.56 +28 18 18.9 EY024711
K07Y01G C2007 12 18.36179 08 20 42.71 +28 18 16.2 19.8 R EY024711
K07Y01G C2007 12 18.37382 08 20 41.69 +28 18 14.9 EY024711
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD
+ prime-focus corrector.
G96 Mt. Lemmon Survey. Observers E. C. Beshore, E. Beshore. 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 YG1 Earth MOID = 0.1922 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 150.01142 (2000.0) P Q
n 0.45806959 Peri. 349.51345 +0.32096013 +0.89249682
a 1.6666654 Node 298.55734 -0.84072759 +0.11442037
e 0.2775776 Incl. 21.14993 -0.43607535 +0.43629967
P 2.15 H 17.5 G 0.15 U 9
Residuals in seconds of arc
071216 G96 0.1- 0.3+ 071217 G96 0.3- 0.3- 071218 G96 0.2+ 0.1-
071216 G96 0.2+ 0.3+ 071217 G96 0.1+ 0.2- 071218 G96 0.1+ 0.0
071216 G96 0.5- 0.1+ 071218 291 0.3- 0.2+ 071218 G96 0.0 0.2-
071216 G96 0.3- 0.3+ 071218 291 0.3- 0.1+ 071218 711 0.3- 0.6+
071217 G96 0.3+ 0.1- 071218 291 0.2- 0.0 071218 711 0.6+ 0.0
071217 G96 0.2- 0.3- 071218 G96 0.2+ 0.1- 071218 711 0.8- 0.8+
Ephemeris:
2007 YG1 a,e,i = 1.67, 0.28, 21 q = 1.2040
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 12 16 08 23.47 +28 25.2 1.269 2.127 141.2 16.8 20.6
2007 12 26 08 10.06 +27 53.0 1.201 2.129 154.0 11.7 20.3
2008 01 05 07 52.86 +27 08.9 1.159 2.129 167.3 5.8 19.9
2008 01 15 07 33.81 +26 08.4 1.146 2.127 174.6 2.5 19.7
2008 01 25 07 15.48 +24 52.2 1.164 2.124 162.6 8.0 20.0
2008 02 04 07 00.11 +23 26.9 1.210 2.119 149.3 13.7 20.3
2008 02 14 06 49.11 +22 00.8 1.280 2.111 136.8 18.7 20.6
2008 02 24 06 42.91 +20 39.8 1.369 2.102 125.4 22.6 20.9
2008 03 05 06 41.22 +19 26.6 1.469 2.092 115.0 25.5 21.1
2008 03 15 06 43.49 +18 20.8 1.578 2.079 105.6 27.4 21.3
2008 03 25 06 49.09 +17 20.4 1.689 2.065 97.1 28.6 21.5
2008 04 04 06 57.38 +16 23.0 1.799 2.049 89.4 29.2 21.6
2008 04 14 07 07.91 +15 25.9 1.907 2.031 82.2 29.3 21.7
2008 04 24 07 20.23 +14 26.8 2.009 2.011 75.6 29.0 21.8
2008 05 04 07 34.02 +13 23.8 2.105 1.990 69.5 28.3 21.9
2008 05 14 07 49.02 +12 15.1 2.192 1.967 63.8 27.4 21.9
Sonia Keys (C) Copyright 2007 MPC M.P.E.C. 2007-Y24
Read MPEC 2007-Y23
Read MPEC 2007-Y25
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