MPEC 2017-A73 : 2013 GL8
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M.P.E.C. 2017-A73 Issued 2017 Jan. 10, 14:15 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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 GL8
Revision to MPEC 2013-G23
Additional Observations:
K13G08L C1998 02 25.24763 07 28 19.27 +26 17 44.1 18.7 VoEA073566
K13G08L C1998 02 25.25814 07 28 20.82 +26 17 27.0 18.7 VoEA073566
K13G08L C1998 02 25.26819 07 28 22.32 +26 17 10.4 18.8 VoEA073566
K13G08L C2017 01 09.51957 14 27 46.45 -02 56 52.8 20.0 VqEA073G96
K13G08L C2017 01 09.52595 14 27 43.26 -02 56 39.6 19.5 VqEA073G96
K13G08L C2017 01 09.53026 14 27 41.17 -02 56 31.6 19.9 VqEA073G96
K13G08L C2017 01 09.53545 14 27 38.61 -02 56 21.7 19.4 VqEA073G96
K13G08L C2017 01 09.54316 14 27 34.82 -02 56 08.2 19.7 VqEA073G96
K13G08L C2017 01 09.54392 14 27 34.48 -02 56 05.7 19.5 VqEA073G96
K13G08L C2017 01 09.54467 14 27 34.08 -02 56 03.4 20.3 VqEA073G96
K13G08L C2017 01 09.54543 14 27 33.69 -02 56 03.3 qEA073G96
K13G08L HC2017 01 10.54078 14 19 30.94 -02 23 44.6 oEA073691
K13G08L HC2017 01 10.54303 14 19 29.89 -02 23 40.9 oEA073691
K13G08L HC2017 01 10.54529 14 19 28.79 -02 23 36.3 oEA073691
Observer details:
566 Haleakala-NEAT/GEODSS. Observers L. Buzzi, P. Concari, C. Cremaschini,
S. Foglia, G. Galli, M. Tombelli.
691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m f/3 reflector
+ CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
980225 566 7.41- 2.18+ 170110 691 2.89- 0.23+ MPO265055 -0.94 day
Orbital elements:
2013 GL8 Earth MOID = 0.0565 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 20.03461 (2000.0) P Q
n 0.26030158 Peri. 47.31247 +0.94113448 -0.33062083
a 2.4293207 Node 331.77725 +0.24991402 +0.82077340
e 0.8433471 Incl. 8.56101 +0.22761565 +0.46585501
P 3.79 H 18.7 G 0.15 U 3
Residuals in seconds of arc
980225 566 0.1+ 0.6+ 130407 291 1.2+ 0.2+ 130503 291 0.5- 0.2-
980225 566 0.0 0.4+ 130407 291 1.4- 0.6+ 130503 291 0.1- 0.1-
980225 566 0.1+ 0.1- 130410 291 0.3+ 0.0 130503 291 0.1- 0.0
130403 F51 0.4+ 0.2- 130410 291 0.1- 0.1+ 170109 G96 0.5+ 0.2-
130403 F51 0.1+ 0.1- 130410 568 0.1+ 0.1- 170109 G96 0.2- 0.6+
130403 F51 0.7- 0.3- 130410 568 0.0 0.1- 170109 G96 0.3+ 0.3+
130403 F51 0.2+ 0.2- 130411 291 0.4- 0.1+ 170109 G96 0.2+ 0.2+
130405 H21 0.0 0.1+ 130411 291 0.3+ 0.1- 170109 G96 0.4+ 1.2-
130405 H21 0.4- 0.4+ 130412 291 (3.0- 1.2-) 170109 G96 0.9+ 0.2-
130405 H21 0.4- 0.7+ 130412 291 (5.4- 0.7-) 170109 G96 0.5+ 0.7+
130405 568 0.0 0.0 130413 291 0.1- 0.5+ 170109 G96 0.2+ 0.7-
130405 568 0.0 0.0 130413 291 0.6+ 0.3+ 170110 691 1.2- 0.6+
130405 568 0.1- 0.0 130429 291 0.2- 0.1- 170110 691 0.2- 0.1-
130405 568 0.0 0.0 130429 291 0.2+ 0.0 170110 691 0.1+ 0.1+
130407 291 0.8+ 0.5+ 130429 291 0.1- 0.1-
Ephemeris:
2013 GL8 a,e,i = 2.43, 0.84, 9 q = 0.3806
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 12 11 17 48 31.6 -16 23 36 0.5504 0.4554 10.7 156.4 25.6
...
2016 12 26 16 19 35.1 -10 03 46 0.3649 0.6988 31.5 132.7 21.7
...
2017 01 03 15 19 23.0 -06 18 38 0.3248 0.8365 54.3 107.3 19.9
...
2017 01 09 14 31 57.0 -03 13 21 0.3098 0.9371 72.3 89.3 19.2
2017 01 10 14 23 53.3 -02 41 06 0.3084 0.9536 75.4 86.4 19.1
2017 01 11 14 15 47.4 -02 08 31 0.3073 0.9700 78.5 83.4 19.0
...
2017 01 17 13 26 41.8 +01 11 31 0.3076 1.0666 97.1 66.2 18.6
...
2017 01 25 12 22 18.4 +05 30 31 0.3282 1.1904 121.8 44.7 18.4
...
2017 02 09 10 43 43.0 +11 15 33 0.4367 1.4081 161.8 12.6 18.4
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-A73
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