MPEC 2015-C13 : 2013 GF69
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M.P.E.C. 2015-C13 Issued 2015 Feb. 5, 11:11 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
2013 GF69
Revision to MPEC 2013-G67
Additional Observations:
K13G69F 2C2015 01 16.58550310 14 11.505+02 48 46.82 23.8 RtEC013568
K13G69F 2C2015 01 16.59709310 14 11.001+02 48 49.36 24.1 RtEC013568
K13G69F 2C2015 01 17.54000910 13 30.240+02 52 28.50 23.9 RtEC013568
K13G69F 2C2015 01 17.55014610 13 29.776+02 52 30.81 24.1 RtEC013568
Observer details:
568 Mauna Kea. Observer D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
150116 568 3.2- 1.0+ 150117 568 3.0- 0.7+ MPO279266 -0.00004 day
Orbital elements:
2013 GF69 PHA, Earth MOID = 0.0160 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC
M 150.57936 (2000.0) P Q
n 0.35703411 Peri. 153.03353 +0.84854956 +0.52889586
a 1.9678693 Node 174.95529 -0.51135587 +0.82713516
e 0.4974772 Incl. 9.99256 -0.13593682 +0.19004364
P 2.76 H 19.5 G 0.15 U 2
Residuals in seconds of arc
130410 F51 0.1+ 0.1- 130421 291 0.0 0.1+ 130627 291 0.2- 0.7+
130410 F51 0.0 0.0 130421 291 0.2+ 0.3- 130627 291 0.5+ 0.1-
130410 F51 0.1- 0.0 130501 291 0.9+ 0.5+ 131112 291 0.1+ 0.3-
130410 F51 0.1- 0.1- 130501 291 0.3- 0.1- 131112 291 0.5- 0.4-
130411 W85 0.1- 0.1- 130501 291 0.4+ 0.2- 131126 291 0.3- 0.6-
130411 W85 0.4- 0.3- 130502 291 0.9- 0.2+ 131126 291 0.3- 0.6+
130411 W85 0.3- 0.4- 130502 291 0.5- 0.2+ 131126 291 0.6+ 0.0
130413 711 0.4- 0.1- 130502 291 0.1- 0.4+ 131207 291 0.1- 0.3+
130413 711 0.1+ 0.0 130509 291 0.3- 0.1- 131207 291 0.1+ 0.5+
130413 711 0.1+ 0.2- 130509 291 0.1- 0.1- 131207 291 0.0 0.2+
130415 807 0.2- 0.1+ 130509 291 0.2- 0.3- 131226 291 0.1- 0.4-
130415 807 0.1- 0.0 130513 291 0.2+ 0.0 131226 291 0.4+ 0.1+
130415 807 0.0 0.0 130513 291 0.1- 0.0 131226 291 0.0 0.3+
130417 807 0.0 0.6- 130513 291 0.1+ 0.3+ 140101 291 0.1+ 0.1-
130417 807 0.3+ 1.0- 130530 291 0.1+ 0.3+ 140101 291 0.0 0.2+
130418 291 0.0 0.1+ 130530 291 0.2- 0.3+ 140101 291 0.2- 0.5+
130418 291 0.1+ 0.5+ 130531 291 0.4+ 0.1+ 150116 568 0.2- 0.1+
130418 291 0.3+ 0.8- 130531 291 0.2+ 0.2- 150116 568 0.0 0.0
130420 291 0.1+ 0.2- 130531 291 0.2+ 1.0+ 150117 568 0.1+ 0.0
130420 291 0.1- 0.0 130611 291 0.0 0.1+ 150117 568 0.1+ 0.1-
130420 291 0.4+ 0.3+ 130611 291 0.4- 0.1-
130421 291 0.1+ 0.0 130627 291 0.0 0.1+
Ephemeris:
2013 GF69 a,e,i = 1.97, 0.50, 10 q = 0.9889
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 01 06 10 20 20.6 +02 19 07 2.2048 2.9217 128.7 15.2 24.4
...
2015 01 21 10 10 49.9 +03 07 17 2.0651 2.9337 146.1 10.8 24.1
...
2015 01 29 10 03 42.3 +03 49 28 2.0124 2.9385 155.8 7.9 23.9
...
2015 02 04 09 57 39.8 +04 27 37 1.9848 2.9414 163.0 5.6 23.8
2015 02 05 09 56 36.8 +04 34 26 1.9812 2.9418 164.1 5.3 23.8
2015 02 06 09 55 33.1 +04 41 23 1.9780 2.9422 165.3 4.9 23.7
...
2015 02 12 09 49 01.4 +05 25 17 1.9650 2.9443 171.2 2.9 23.6
...
2015 02 20 09 40 10.8 +06 27 54 1.9657 2.9462 171.0 3.0 23.6
...
2015 03 07 09 24 56.9 +08 26 33 2.0213 2.9467 154.3 8.4 24.0
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