[Iaude] MPEC X26: 2017 BG32 [a=1.60,e=0.23,i=24.0,H=18.6]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Mon Dec 3 22:43:17 EST 2018
M.P.E.C. 2018-X26 Issued 2018 Dec. 4, 03:39 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
2017 BG32
Revision to MPEC 2017-B148
Additional Observations:
K17B32G |C2018 12 02.27943 07 31 19.50 -18 16 09.8 21.8 VuEX026807
K17B32G |C2018 12 02.29030 07 31 19.17 -18 16 18.8 21.8 VuEX026807
K17B32G |C2018 12 02.30139 07 31 18.84 -18 16 27.7 21.8 VuEX026807
K17B32G |C2018 12 03.19759 07 30 52.78 -18 28 16.5 21.7 VuEX026807
K17B32G |C2018 12 03.20935 07 30 52.40 -18 28 25.6 21.6 VuEX026807
K17B32G |C2018 12 03.23301 07 30 51.61 -18 28 44.1 21.8 VuEX026807
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, reference and Delta-T
181202 807 18.1+ 2.4+ 181203 807 18.6+ 2.3+ MPO441099 -0.010 day
Orbital elements:
2017 BG32 Earth MOID = 0.3877 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 276.80453 (2000.0) P Q
n 0.48869406 Peri. 78.06980 -0.23121410 +0.97283835
a 1.5962883 Node 178.42408 -0.97281925 -0.23132992
e 0.2252664 Incl. 24.04608 +0.01275734 -0.00848553
P 2.02 H 18.6 G 0.15 U 3
Residuals in seconds of arc
170128 F51 0.0 0.1+ 170130 I52 0.3+ 0.1+ 170219 474 0.2- 0.4-
170128 F51 0.1+ 0.0 170130 I52 0.3+ 0.2+ 170219 474 0.3- 0.2-
170128 F51 0.0 0.0 170131 291 0.2- 0.0 170219 474 0.2+ 0.1-
170129 807 0.0 0.1- 170131 291 0.3- 0.0 170225 691 0.4+ 0.5+
170129 807 0.2+ 0.1+ 170131 291 0.1- 0.1- 170225 691 0.3- 0.2-
170129 807 0.4+ 0.1- 170202 I52 0.2- 0.1- 170225 691 0.1- 0.7-
170129 H01 0.0 0.0 170202 T12 0.0 0.0 170227 691 0.9+ 0.1-
170129 H01 0.0 0.0 170202 I52 0.1+ 0.2- 170227 691 0.4- 0.4+
170129 568 0.0 0.0 170202 T12 0.0 0.0 170425 T12 0.3- 0.2+
170129 568 0.0 0.0 170202 T12 0.1- 0.0 170425 T12 0.3- 0.2+
170129 568 0.0 0.0 170202 I52 0.2- 0.3+ 181202 807 0.3- 0.3+
170129 H01 0.1- 0.2+ 170205 807 0.2+ 0.1- 181202 807 0.2- 0.0
170129 H01 0.0 0.0 170205 807 0.0 0.0 181202 807 0.0 0.0
170130 807 0.2+ 0.1- 170205 807 0.0 0.0 181203 807 0.2+ 0.2-
170130 807 0.1+ 0.0 170219 807 0.3- 0.1+ 181203 807 0.2+ 0.0
170130 807 0.1+ 0.1+ 170219 807 0.2+ 0.3+ 181203 807 0.0 0.2+
170130 I52 0.4+ 0.4- 170219 807 0.1- 0.2+
170130 I52 0.4- 0.5+ 170219 474 0.3- 0.1-
Ephemeris:
2017 BG32 a,e,i = 1.60, 0.23, 24 q = 1.2367
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 04 07 29 23.3 -11 01 45 1.4771 1.9509 102.6 29.7 22.2
...
2018 11 19 07 34 03.1 -15 02 01 1.3409 1.9426 112.1 28.1 21.9
...
2018 11 27 07 33 14.4 -17 02 41 1.2745 1.9366 117.3 26.9 21.8
...
2018 12 03 07 30 58.5 -18 25 42 1.2285 1.9314 121.0 25.9 21.7
2018 12 04 07 30 27.3 -18 38 41 1.2212 1.9305 121.7 25.8 21.6
2018 12 05 07 29 53.6 -18 51 24 1.2140 1.9296 122.3 25.6 21.6
...
2018 12 11 07 25 40.6 -20 00 51 1.1734 1.9235 125.8 24.5 21.5
...
2018 12 19 07 17 55.0 -21 11 08 1.1266 1.9145 130.1 23.1 21.4
...
2019 01 03 06 58 20.9 -21 51 04 1.0656 1.8948 135.2 21.4 21.2
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X26
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