MPEC 2018-Y81 : 2013 BG27
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M.P.E.C. 2018-Y81 Issued 2018 Dec. 27, 19:44 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 BG27
Revision to MPEC 2013-B54
Additional Observations:
K13B27G |C2018 12 13.14499 05 18 51.37 -04 17 04.9 21.2 VuEY081807
K13B27G |C2018 12 13.15161 05 18 50.75 -04 17 00.4 21.3 VuEY081807
K13B27G |C2018 12 13.15805 05 18 50.15 -04 16 56.9 21.3 VuEY081807
K13B27G |C2018 12 27.20166 04 59 49.29 -01 01 06.8 21.1 VuEY081807
K13B27G |C2018 12 27.20869 04 59 48.79 -01 01 00.1 21.2 VuEY081807
K13B27G |C2018 12 27.21573 04 59 48.27 -01 00 53.2 21.3 VuEY081807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
181213 807 0.48- 0.15- 181227 807 0.44- 0.12- MPO265048 +0.42 day
Orbital elements:
2013 BG27 Earth MOID = 0.2327 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 142.87714 (2000.0) P Q
n 0.47798308 Peri. 196.35129 +0.89261144 +0.42336229
a 1.6200473 Node 137.50372 -0.38367473 +0.89384890
e 0.2344305 Incl. 13.25997 -0.23672458 +0.14764323
P 2.06 H 20.1 G 0.15 U 3
Residuals in seconds of arc
130117 F51 0.1- 0.2+ 130118 291 0.0 0.2+ 130201 568 0.0 0.0
130117 F51 0.1- 0.2- 130118 291 0.3- 0.1+ 181213 807 0.3- 0.3+
130117 F51 0.1+ 0.2- 130118 291 0.0 0.0 181213 807 0.0 0.3+
130118 H21 0.1+ 0.2+ 130120 H01 0.2- 0.0 181213 807 0.3+ 0.6-
130118 H21 0.4+ 0.4+ 130120 H01 0.1- 0.2- 181227 807 0.2+ 0.0
130118 H21 0.3+ 0.2+ 130120 H01 0.0 0.1+ 181227 807 0.1+ 0.1-
130118 568 0.1- 0.1- 130120 H01 0.2- 0.1- 181227 807 0.2- 0.1+
130118 568 0.1- 0.2- 130201 568 0.0 0.0
130118 568 0.1- 0.1- 130201 568 0.0 0.0
Ephemeris:
2013 BG27 a,e,i = 1.62, 0.23, 13 q = 1.2403
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 27 05 43 33.6 -06 12 24 0.6706 1.5808 144.3 21.3 21.3
...
2018 12 12 05 20 37.1 -04 29 48 0.6908 1.6287 152.4 16.2 21.2
...
2018 12 20 05 08 49.9 -02 49 57 0.7197 1.6537 151.9 16.3 21.4
...
2018 12 26 05 01 11.7 -01 20 18 0.7498 1.6721 149.2 17.5 21.5
2018 12 27 05 00 03.1 -01 04 27 0.7555 1.6751 148.6 17.8 21.5
2018 12 28 04 58 57.0 -00 48 23 0.7614 1.6781 148.0 18.1 21.6
...
2019 01 03 04 53 14.6 +00 51 31 0.8009 1.6961 143.6 20.1 21.8
...
2019 01 11 04 48 14.5 +03 09 38 0.8635 1.7195 137.1 22.9 22.0
...
2019 01 26 04 46 54.8 +07 23 32 1.0067 1.7614 124.4 27.5 22.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y81
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