MPEC 2019-W19 : 2016 GN220
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M.P.E.C. 2019-W19 Issued 2019 November 18, 01:55 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
2016 GN220
Revision to MPEC 2016-G156
Additional Observations:
K16GM0N C2013 11 05.62200705 39 54.627+11 48 25.87 21.7 GVEW019F51
K16GM0N C2013 11 05.63498005 39 53.884+11 48 23.21 21.5 GVEW019F51
K16GM0N C2013 11 29.52990405 11 22.918+11 00 27.78 21.3 GVEW019F51
K16GM0N C2013 11 29.54401805 11 21.710+11 00 27.43 21.4 GVEW019F51
K16GM0N C2013 11 29.55811905 11 20.514+11 00 26.57 21.3 GVEW019F51
K16GM0N C2013 11 29.57230105 11 19.276+11 00 25.87 21.5 GVEW019F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
131105 F51 47.1- 9.6- 131129 F51 53.7- 10.9- MPO386977 +0.03 days
Orbital elements:
2016 GN220 Earth MOID = 0.1620 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 252.41144 (2000.0) P Q
n 0.28149773 Peri. 169.64156 +0.73997988 +0.66954237
a 2.3057884 Node 148.02804 -0.62549318 +0.72015735
e 0.4906853 Incl. 6.98193 -0.24736221 +0.18189671
P 3.50 H 18.9 G 0.15 U 2
Residuals in seconds of arc
131105 F51 0.1+ 0.0 160405 F51 0.2+ 0.1- 160414 705 0.3- 0.1-
131105 F51 0.4- 0.2- 160405 F51 0.1+ 0.0 160429 291 0.2+ 0.2+
131129 F51 0.2+ 0.1- 160409 291 0.1+ 0.1+ 160429 291 0.1+ 0.3+
131129 F51 0.1+ 0.2+ 160409 291 0.4+ 0.0 160429 291 1.1- 0.2+
131129 F51 0.2+ 0.0 160409 291 0.2+ 0.0 160511 291 0.1+ 0.3+
131129 F51 0.2- 0.0 160409 926 0.2+ 0.1+ 160511 291 0.1+ 0.1+
160401 F51 0.0 0.0 160409 926 0.3+ 0.0 160511 291 0.2- 0.4+
160401 F51 0.1- 0.0 160409 926 0.7+ 0.1- 160804 807 0.3- 0.3+
160401 F51 0.1- 0.2- 160414 705 0.3- 0.2- 160805 807 0.3- 0.1+
160405 F51 0.1- 0.1+ 160414 705 0.4- 0.0 160805 807 0.1+ 0.6-
Ephemeris:
2016 GN220 a,e,i = 2.31, 0.49, 7 q = 1.1744
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 10 19 13 28 47.7 -05 07 49 3.2259 2.2345 4.7 2.1 23.4
...
2019 11 03 13 57 21.6 -07 40 08 3.1138 2.1472 10.8 5.0 23.4
...
2019 11 11 14 13 25.7 -08 59 59 3.0439 2.0995 14.4 6.7 23.4
...
2019 11 17 14 25 53.7 -09 58 44 2.9875 2.0633 17.1 8.1 23.4
2019 11 18 14 28 00.6 -10 08 25 2.9777 2.0572 17.6 8.4 23.4
2019 11 19 14 30 08.1 -10 18 03 2.9679 2.0511 18.0 8.6 23.4
...
2019 11 25 14 43 07.2 -11 15 02 2.9073 2.0144 20.7 10.0 23.4
...
2019 12 03 15 01 04.4 -12 28 13 2.8221 1.9649 24.2 11.9 23.3
...
2019 12 18 15 36 52.8 -14 33 51 2.6520 1.8708 30.4 15.4 23.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-W19
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