MPEC 2019-W13 : 2015 SS20
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M.P.E.C. 2019-W13 Issued 2019 November 18, 01:52 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
2015 SS20
Additional Observations:
K15S20S C2013 07 17.52100520 49 15.920+10 26 29.11 22.7 GVEW013F51
K15S20S C2013 07 17.53401720 49 14.998+10 26 45.65 22.2 GVEW013F51
K15S20S C2013 07 17.54701220 49 14.049+10 27 02.40 22.6 GVEW013F51
K15S20S C2013 07 18.53207220 48 07.024+10 48 08.02 23.6 GVEW013F51
K15S20S C2013 07 18.54568320 48 06.015+10 48 25.39 22.3 GVEW013F51
K15S20S C2013 07 18.55678120 48 05.157+10 48 39.33 22.1 GVEW013F51
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 (or two decimals in degrees), reference and Delta-T
130717 F51 0.03- 0.01- 130718 F51 0.03- 0.01- MPO369267 +0.05 days
Orbital elements:
2015 SS20 = 2015 WL16 Earth MOID = 0.0295 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 298.24856 (2000.0) P Q
n 0.51425804 Peri. 164.67511 +0.64303237 -0.74436417
a 1.5429386 Node 244.94814 +0.68008973 +0.66313875
e 0.3462691 Incl. 11.46610 +0.35211834 +0.07854291
P 1.92 H 22.3 G 0.15 U 1
Residuals in seconds of arc
130717 F51 0.3- 0.2+ 151003 568 0.0 0.0 160103 807 0.1+ 0.4+
130717 F51 0.0 0.1+ 151007 568 0.1+ 0.0 160103 807 0.3- 0.5+
130717 F51 0.1- 0.2+ 151007 568 0.0 0.0 160103 807 0.5+ 0.3-
130718 F51 0.0 0.0 151007 568 0.1+ 0.0 160114 807 0.3- 0.2+
130718 F51 0.3+ 0.0 151124 C51 (1.9+ 0.3-) 160114 807 0.3- 0.0
130718 F51 0.1- 0.2- 151124 C51 (0.1+ 2.1+) 160114 807 0.2+ 0.5-
150923 C51 (1.5- 0.9+) 151125 C51 0.2- 0.6+ 160131 807 0.1+ 0.4-
150924 C51 0.4- 0.5+ 151125 C51 1.3- 1.2+ 160131 807 0.0 0.1+
150924 C51 (1.7+ 0.7+) 151125 C51 0.4- 0.0 160131 807 0.0 1.1+
150924 C51 0.8+ 0.4+ 151204 568 0.0 0.1+ 160206 291 (2.2- 0.5-)
150924 C51 0.1- 1.1- 151204 568 0.0 0.0 160206 291 0.2+ 0.1-
150924 C51 0.8- 0.9- 151204 568 0.1+ 0.1+ 160206 291 0.4- 0.8-
150924 C51 0.7- 0.1- 151205 568 0.0 0.1- 160209 291 (1.6- 1.0-)
151003 568 0.1- 0.0 151205 568 0.0 0.1- 160209 291 0.0 0.0
151003 568 0.1- 0.0 151205 568 0.0 0.1- 160209 291 1.1- 0.5+
Ephemeris:
2015 SS20 a,e,i = 1.54, 0.35, 11 q = 1.0087
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 10 19 10 04 07.2 +05 14 17 1.3925 1.1418 54.1 45.0 25.0
...
2019 11 03 10 44 13.8 -00 35 24 1.4048 1.2102 57.6 43.8 25.1
...
2019 11 11 11 03 51.8 -03 33 32 1.4048 1.2491 59.9 43.3 25.2
...
2019 11 17 11 17 51.5 -05 42 31 1.4014 1.2791 61.9 43.0 25.2
2019 11 18 11 20 07.9 -06 03 36 1.4005 1.2841 62.2 42.9 25.2
2019 11 19 11 22 23.3 -06 24 34 1.3996 1.2892 62.6 42.9 25.2
...
2019 11 25 11 35 34.7 -08 27 50 1.3921 1.3196 64.8 42.6 25.3
...
2019 12 03 11 52 12.8 -11 05 01 1.3772 1.3605 68.0 42.2 25.3
...
2019 12 18 12 20 23.4 -15 36 16 1.3344 1.4368 74.9 41.4 25.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-W13
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