MPEC 2019-H16 : 2013 SA20
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M.P.E.C. 2019-H16 Issued 2019 Apr. 18, 23:09 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 SA20
Revision to MPEC 2013-S48
Additional Observations:
K13S20A C2013 09 10.50978000 34 49.562+05 03 51.69 22.0 GVEH016F51
K13S20A C2013 09 10.52458300 34 48.098+05 03 47.99 22.6 GVEH016F51
K13S20A C2013 09 10.53923900 34 46.652+05 03 43.99 22.3 GVEH016F51
K13S20A C2013 10 02.32243323 39 46.121+01 57 26.33 20.6 GVEH016F51
K13S20A C2013 10 02.33342123 39 43.721+01 57 17.43 20.0 GVEH016F51
K13S20A C2013 10 10.39116523 09 25.130+00 02 39.90 20.1 GVEH016F51
K13S20A C2013 10 10.40295623 09 22.233+00 02 28.92 20.3 GVEH016F51
K13S20A C2015 08 30.54472003 03 50.377+20 03 44.23 21.7 GVEH016F51
K13S20A C2015 09 09.52161 03 36 56.378+23 30 04.02 22.2 wLEH016F51
K13S20A C2015 09 09.53338 03 36 59.054+23 30 20.55 22.4 wLEH016F51
K13S20A C2015 09 09.54518 03 37 01.763+23 30 37.14 22.3 wLEH016F51
K13S20A C2015 09 09.55700 03 37 04.467+23 30 53.90 22.3 wLEH016F51
K13S20A C2015 09 23.54521204 53 11.317+29 40 17.74 21.3 GVEH016F51
K13S20A C2015 09 23.55618204 53 16.227+29 40 36.53 22.1 GVEH016F51
K13S20A C2015 09 23.56721404 53 21.132+29 40 55.53 22.1 GVEH016F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman, B. Gibson, T. Goggia, N. Primak.
Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk,
K. Chambers, L. Denneau, H. Flewelling, E. Lilly, E. Magnier, C. Waters.
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
130910 F51 0.2+ 0.2+ 150923 F51 0.11- 0.01- MPO277257 +0.14 day
Orbital elements:
2013 SA20 Earth MOID = 0.0593 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 287.00282 (2000.0) P Q
n 0.51935944 Peri. 141.77327 -0.68193840 -0.73127850
a 1.5328184 Node 351.19162 +0.64682927 -0.59413246
e 0.6546953 Incl. 5.18860 +0.34142630 -0.33501995
P 1.90 H 21.1 G 0.15 U 4
Residuals in seconds of arc
130910 F51 0.1+ 0.1+ 130926 G96 1.2- 0.5- 131003 474 0.5- 0.7+
130910 F51 0.0 0.1+ 130926 G96 0.8- 0.5- 131010 F51 0.0 0.0
130910 F51 0.1+ 0.1- 130926 G96 0.1- 0.3- 131010 F51 0.1+ 0.3-
130924 G96 0.0 0.3+ 130926 E10 0.2+ 0.3- 131012 807 0.1- 0.0
130924 G96 0.1+ 0.1- 130926 E10 0.8+ 0.6- 131012 807 0.0 0.0
130924 G96 0.3- 0.3- 130927 H21 0.3- 0.4+ 131012 807 0.0 0.1-
130924 G96 0.2- 0.3+ 130927 H21 0.3- 0.1- 131013 291 0.0 0.3+
130924 H21 0.3+ 0.3- 130927 H21 0.0 0.4- 131013 291 0.4- 0.1+
130924 H21 0.6+ 0.5+ 130927 H21 0.2+ 0.4- 131022 291 0.0 0.1-
130924 G96 0.3- 0.0 130927 H21 1.0+ 0.8- 131022 291 0.1- 0.1+
130924 G96 0.4- 0.1- 130927 033 0.6+ 0.1- 131022 291 0.2+ 0.0
130924 G96 0.7- 0.1- 130927 033 1.4+ 0.7+ 131023 291 0.2- 0.0
130924 G96 0.4- 0.0 130927 033 0.6- 0.6+ 131023 291 0.0 0.0
130924 G96 0.4- 0.0 130927 033 0.8+ 0.8+ 131023 291 0.1+ 0.0
130924 691 0.8+ 0.3+ 130927 033 0.7- 0.7- 131027 711 0.4- 0.1+
130924 691 0.1+ 0.4- 130927 033 0.4+ 0.3+ 131027 711 0.1+ 0.4+
130924 691 1.2+ 0.8+ 130928 H21 0.0 0.7+ 131027 711 0.1+ 0.0
130925 H36 0.6+ 0.9- 130928 H21 0.1+ 0.4+ 150830 F51 0.5+ 0.3+
130925 H36 0.0 0.5- 130928 H21 0.1+ 0.1+ 150909 F51 0.1+ 0.2-
130925 H36 0.0 0.9- 130928 H21 0.4- 0.2+ 150909 F51 0.2- 0.2-
130925 691 0.9- 0.0 130928 H21 0.3- 0.0 150909 F51 0.2- 0.1-
130925 691 0.7- 0.2+ 130928 H21 0.2- 0.2- 150909 F51 0.2- 0.2+
130926 H21 0.2- 0.5- 131002 F51 0.3+ 0.2+ 150923 F51 0.2+ 0.1+
130926 H21 0.2- 0.3- 131002 F51 0.1- 0.2- 150923 F51 0.2+ 0.1-
130926 H21 0.4- 0.6- 131003 474 0.3+ 0.3+ 150923 F51 0.3- 0.1-
130926 G96 0.3- 0.1- 131003 474 1.8- 1.9+
Ephemeris:
2013 SA20 a,e,i = 1.53, 0.65, 5 q = 0.5293
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 03 19 23 08 54.2 -06 12 55 3.0610 2.0978 12.0 5.7 25.6
...
2019 04 03 23 35 14.9 -03 12 06 2.9241 2.0109 19.6 9.6 25.6
...
2019 04 11 23 49 47.4 -01 30 32 2.8384 1.9608 23.5 11.8 25.5
...
2019 04 17 00 00 58.1 -00 11 59 2.7689 1.9214 26.3 13.4 25.5
2019 04 18 00 02 51.4 +00 01 19 2.7570 1.9147 26.8 13.7 25.5
2019 04 19 00 04 45.2 +00 14 40 2.7449 1.9080 27.2 13.9 25.5
...
2019 04 25 00 16 18.9 +01 36 03 2.6702 1.8665 29.9 15.6 25.4
...
2019 05 03 00 32 16.5 +03 28 02 2.5650 1.8087 33.3 17.8 25.4
...
2019 05 18 01 04 20.4 +07 09 05 2.3543 1.6921 39.0 22.1 25.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-H16
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