MPEC 2023-H69 : 2012 GD5
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M.P.E.C. 2023-H69 Issued 2023 April 18, 14:11 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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
2012 GD5
Revision to MPEC 2012-G43
Additional Observations:
K12G05D KC2023 03 27.56407814 22 39.929-06 46 51.97 21.51GVEH069F52
K12G05D C2023 04 17.37830214 28 10.121-05 17 38.36 21.85GVEH069V00
K12G05D C2023 04 17.38328914 28 10.070-05 17 36.92 21.61GVEH069V00
K12G05D C2023 04 17.38825114 28 10.027-05 17 35.45 21.55GVEH069V00
K12G05D C2023 04 17.39321114 28 09.966-05 17 33.65 21.59GVEH069V00
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
V00 Kitt Peak-Bok. Observer R. A. Mastaler. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R.
Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
Larson, G. J. Leonard, R. S. McMillan, D. Rankin, R. L. Seaman, A.
Serrano, F. C. Shelly, K. W. Wierzchos. 2.25-m reflector + 4x4K mosaic
CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230327 F52 0.27+ 0.10+ 230417 V00 0.41+ 0.14+ MPO234429 +0.16 days
Orbital elements:
2012 GD5 Earth MOID = 0.1076 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 315.08327 (2000.0) P Q
n 0.35917033 Peri. 174.39827 +0.05567325 +0.99754058
a 1.9600587 Node 98.78808 -0.91772401 +0.06792523
e 0.4263466 Incl. 2.46956 -0.39329777 -0.01729043
P 2.74 H 22.57 G 0.15 U 1
Residuals in seconds of arc
120412 F51 0.1+ 0.3+ 120414 F65 0.1+ 0.0 120510 H21 0.4- 0.3+
120412 F51 0.4+ 0.2- 120417 H21 0.3- 0.3- 120519 H21 0.3- 0.1+
120412 F51 0.0 0.1- 120417 H21 0.1+ 0.4- 120519 H21 0.3- 0.1-
120413 568 0.3- 0.2+ 120417 H21 0.0 0.4- 120519 H21 0.1- 0.2-
120413 568 0.3- 0.3+ 120419 H21 0.1- 0.1- 120615 291 0.3+ 0.0
120413 568 0.3- 0.2+ 120419 H21 0.2+ 0.2- 120615 291 0.1- 0.0
120413 291 0.2+ 0.3+ 120420 291 0.1+ 0.2- 230327 F52 0.0 0.2-
120413 291 0.5+ 0.0 120420 291 0.1- 0.1- 230417 V00 0.1+ 0.2+
120413 291 0.3- 0.2+ 120420 291 0.1+ 0.2- 230417 V00 0.0 0.1+
120414 F65 0.1- 0.2+ 120510 H21 0.0 0.2- 230417 V00 0.1+ 0.1-
120414 F65 0.3- 0.3+ 120510 H21 0.1- 0.1- 230417 V00 0.1- 0.1+
Ephemeris:
2012 GD5 a,e,i = 1.96, 0.43, 2 q = 1.1244
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 19 14 17 04.0 -07 03 34 0.5947 1.5129 142.9 23.4 23.4
...
2023 04 03 14 25 37.8 -06 25 36 0.4576 1.4282 155.3 17.0 22.5
...
2023 04 11 14 27 44.6 -05 50 34 0.3965 1.3844 162.0 12.9 22.0
...
2023 04 17 14 28 10.7 -05 19 27 0.3562 1.3527 166.7 9.9 21.6
2023 04 18 14 28 09.5 -05 14 01 0.3499 1.3475 167.3 9.4 21.6
2023 04 19 14 28 06.9 -05 08 33 0.3438 1.3423 168.0 9.0 21.5
...
2023 04 25 14 27 24.8 -04 35 53 0.3096 1.3120 170.4 7.4 21.1
...
2023 05 03 14 25 42.9 -03 57 47 0.2706 1.2738 168.1 9.4 20.9
...
2023 05 18 14 23 23.2 -03 36 49 0.2147 1.2108 156.1 19.7 20.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H69
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