[Iaude] MPEC P72: 2000 GB2 [a=2.47,e=0.60,i=7.1,H=18.8]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sun Aug 12 15:41:17 EDT 2018
M.P.E.C. 2018-P72 Issued 2018 Aug. 12, 19:37 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2000 GB2
Revision to MPEC 2000-G24
Additional Observations:
K00G02B C2018 08 11.40901 20 50 19.245-07 49 03.65 21.8 wUEP072F51
K00G02B C2018 08 11.42074 20 50 18.336-07 49 08.09 22.0 wUEP072F51
K00G02B C2018 08 11.43245 20 50 17.430-07 49 12.69 21.8 wUEP072F51
K00G02B C2018 08 11.44415 20 50 16.536-07 49 17.05 21.9 wUEP072F51
K00G02B KC2018 08 12.20157720 49 19.95 -07 54 11.0 21.3 VuEP072H21
K00G02B KC2018 08 12.20889020 49 19.37 -07 54 13.7 21.4 VuEP072H21
K00G02B KC2018 08 12.22005920 49 18.52 -07 54 17.9 21.3 VuEP072H21
K00G02B C2018 08 12.37095 20 49 07.284-07 55 14.95 22.0 wUEP072F51
K00G02B C2018 08 12.38209 20 49 06.429-07 55 19.09 22.3 wUEP072F51
K00G02B C2018 08 12.39327 20 49 05.563-07 55 23.60 22.1 wUEP072F51
K00G02B C2018 08 12.40437 20 49 04.707-07 55 27.91 21.7 wUEP072F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
180811 F51 52- 16- 180812 F51 52- 16- MPO 57769 +96 day
Orbital elements:
2000 GB2 Earth MOID = 0.1047 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 267.56141 (2000.0) P Q
n 0.25417625 Peri. 254.46003 +0.13925246 -0.99012118
a 2.4681946 Node 187.59230 +0.94945358 +0.13820003
e 0.5964178 Incl. 7.12832 +0.28133014 +0.02368142
P 3.88 H 18.8 G 0.15 U 4
Residuals in seconds of arc
000401 691 0.3+ 0.5+ 000404 691 0.3- 0.6+ 180811 F51 0.0 0.0
000401 691 0.2+ 0.1- 000404 691 0.1+ 0.1- 180811 F51 0.1- 0.0
000401 691 0.1- 0.1- 000404 691 0.4- 0.2- 180811 F51 0.1- 0.1-
000402 691 0.5+ 0.7- 000406 691 0.4- 0.8- 180811 F51 0.0 0.0
000402 691 0.0 0.3- 000406 691 0.6- 0.3- 180812 H21 0.3+ 0.4-
000402 691 0.3+ 0.7- 000406 691 0.6- 0.5- 180812 H21 0.1+ 0.2-
000403 651 0.0 0.2- 000408 691 0.6- 0.5+ 180812 H21 0.2+ 0.1-
000403 651 0.8+ 0.1- 000408 691 0.1+ 0.3+ 180812 F51 0.1- 0.0
000403 651 0.1+ 0.4+ 000408 691 0.4+ 0.5+ 180812 F51 0.0 0.2+
000403 691 0.0 0.5+ 000412 691 0.2+ 0.2- 180812 F51 0.0 0.0
000403 691 0.0 1.3+ 000412 691 0.6+ 0.4- 180812 F51 0.0 0.0
Ephemeris:
2000 GB2 a,e,i = 2.47, 0.60, 7 q = 0.9961
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 07 13 21 20 58.3 -05 46 24 1.7498 2.6686 148.3 11.6 22.9
...
2018 07 28 21 07 19.3 -06 31 10 1.5851 2.5770 164.2 6.2 22.3
...
2018 08 05 20 58 11.2 -07 10 40 1.5212 2.5265 170.1 4.0 22.1
...
2018 08 11 20 50 49.9 -07 46 25 1.4850 2.4880 169.2 4.4 22.0
2018 08 12 20 49 35.1 -07 52 48 1.4800 2.4815 168.6 4.6 22.0
2018 08 13 20 48 20.1 -07 59 18 1.4753 2.4750 167.8 5.0 22.0
...
2018 08 19 20 40 51.9 -08 40 13 1.4527 2.4356 162.0 7.4 22.1
...
2018 08 27 20 31 21.3 -09 38 10 1.4377 2.3821 152.9 11.1 22.2
...
2018 09 11 20 16 56.7 -11 26 53 1.4503 2.2788 135.3 18.1 22.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-P72
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