MPEC 2019-A210: 2017 BG85
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2019-A209
Read MPEC 2019-A211
M.P.E.C. 2019-A210 Issued 2019 Jan. 13, 12:49 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
2017 BG85
Revision to MPEC 2017-C87
Additional Observations:
K17B85G C2010 08 01.49739421 47 44.738-01 29 20.69 21.4 GVEA210F51
K17B85G C2010 08 01.50983321 47 43.900-01 29 27.10 21.5 GVEA210F51
K17B85G C2010 08 05.51616821 43 21.372-02 05 40.69 21.1 GVEA210F51
K17B85G C2010 08 05.52669321 43 20.653-02 05 46.66 21.6 GVEA210F51
K17B85G C2010 08 06.50856821 42 15.502-02 15 04.14 21.4 GVEA210F51
K17B85G C2010 08 06.51985821 42 14.713-02 15 10.53 20.7 GVEA210F51
K17B85G C2010 08 31.43434021 17 33.902-06 27 52.92 21.8 GVEA210F51
K17B85G C2010 08 31.44593921 17 33.326-06 27 59.74 20.9 GVEA210F51
K17B85G C2014 09 19.33404423 44 50.513+00 34 51.90 22.3 GVEA210F51
K17B85G C2014 09 19.34549223 44 49.826+00 34 46.13 22.5 GVEA210F51
K17B85G C2014 09 19.36837223 44 48.495+00 34 34.17 22.3 GVEA210F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, 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
100801 F51 1.9- 0.2- 140919 F51 0.1- 0.1- MPO419558 -0.00048 day
Orbital elements:
2017 BG85 Earth MOID = 0.2922 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 184.60837 (2000.0) P Q
n 0.26895647 Peri. 32.00833 -0.78686239 +0.61695433
a 2.3769209 Node 186.14800 -0.59113899 -0.76033355
e 0.4582307 Incl. 7.86792 -0.17720685 -0.20312618
P 3.66 H 18.9 G 0.15 U 1
Residuals in seconds of arc
100801 F51 0.0 0.1+ 170222 G45 0.0 0.3- 170313 705 0.1- 0.3-
100801 F51 0.0 0.1+ 170222 G45 0.1- 0.1+ 170320 H21 0.2- 0.6+
100805 F51 0.0 0.2+ 170222 G45 0.0 0.0 170320 H21 0.7+ 0.7+
100805 F51 0.1+ 0.1+ 170222 G45 0.3- 0.1- 170322 H21 0.0 0.3+
100806 F51 0.0 0.1+ 170222 G45 0.4+ 0.7+ 170322 H21 0.9- 0.4-
100806 F51 0.1- 0.2+ 170222 G45 0.3+ 0.0 170322 H21 0.1+ 0.1+
100831 F51 0.1+ 0.1+ 170222 G45 0.3+ 0.2+ 170323 H21 0.2+ 0.1-
100831 F51 0.3- 0.0 170222 G45 0.3- 0.0 170323 H21 0.4- 0.1-
140919 F51 0.1- 0.0 170224 703 0.3- 1.0+ 170327 D29 0.2- 0.0
140919 F51 0.2- 0.2+ 170224 703 0.2+ 0.2+ 170327 D29 0.2+ 0.4+
140919 F51 0.2+ 0.0 170224 703 1.6- 1.4+ 170328 204 0.1- 0.2-
170102 F51 0.2+ 0.0 170224 703 0.7- 1.1+ 170328 204 0.1+ 0.2-
170102 F51 0.1+ 0.1- 170225 G96 0.1+ 0.3+ 170328 204 0.0 0.1-
170102 F51 0.1+ 0.1+ 170225 G96 0.3+ 0.2+ 170331 G96 0.1- 0.2+
170102 F51 0.1+ 0.0 170225 G96 0.0 0.2- 170331 G96 0.3+ 0.3+
170128 G96 0.3- 0.5+ 170225 G96 0.1- 0.3+ 170331 G96 0.2- 0.0
170128 G96 0.3- 0.0 170226 H21 0.2- 0.0 170331 G96 0.0 0.1-
170128 G96 0.1- 0.3- 170226 H21 0.2- 0.2+ 170409 F51 0.2+ 0.2-
170128 G96 0.2- 0.4+ 170226 H21 0.3- 0.0 170409 F51 0.1+ 0.0
170129 F51 0.0 0.0 170226 H45 0.0 0.4+ 170409 F51 0.2+ 0.2-
170129 F51 0.1- 0.1+ 170226 H45 0.6- 0.0 170411 F51 0.0 0.2-
170129 F51 0.1+ 0.0 170226 H45 0.4- 0.2+ 170411 F51 0.1+ 0.0
170204 G96 0.2+ 0.2+ 170226 H45 0.1- 0.0 170411 F51 0.1+ 0.2-
170204 G96 0.0 0.3- 170226 H45 0.1- 0.3+ 170411 F51 0.1+ 0.1-
170204 G96 0.9- 0.0 170226 H45 0.6- 0.0 170414 H21 0.0 0.2+
170204 G96 0.1- 0.1+ 170303 H21 0.1- 0.3- 170414 H21 0.2+ 0.0
170214 F51 0.1+ 0.0 170303 H21 0.1- 0.1- 170414 H21 0.1+ 0.0
170214 F51 0.0 0.0 170303 H21 0.2- 0.3- 170419 H21 0.3- 0.3-
170214 F51 0.0 0.0 170303 D29 0.4- 0.1+ 170419 H21 0.4+ 0.9+
170214 K92 0.3+ 0.4- 170303 D29 0.2+ 0.2+ 170527 T12 0.2- 0.2-
170214 K92 0.1+ 0.5- 170303 D29 0.1+ 0.0 170527 T12 0.5- 0.1-
170214 K92 0.2+ 0.3- 170305 H21 0.1+ 0.2- 170619 I52 0.1- 0.4-
170214 K92 0.4+ 0.2- 170305 H21 0.0 0.3- 170619 I52 0.1- 0.2-
170214 K92 0.4+ 0.3- 170305 H21 0.1- 0.2- 170619 I52 0.1- 0.2+
170214 246 0.6+ 0.6+ 170313 705 0.1- 0.1+ 170619 691 0.4+ 0.6+
170214 246 0.3+ 0.7+ 170313 705 0.0 0.1- 170619 691 0.1- 0.2+
Ephemeris:
2017 BG85 a,e,i = 2.38, 0.46, 8 q = 1.2877
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 14 00 35 43.4 +00 44 07 2.9706 3.3888 106.8 16.1 24.8
...
2018 12 29 00 39 55.0 +01 08 42 3.2169 3.4074 92.7 16.8 25.0
...
2019 01 06 00 43 36.7 +01 31 24 3.3493 3.4163 85.5 16.7 25.1
...
2019 01 12 00 46 58.1 +01 52 07 3.4475 3.4225 80.3 16.5 25.1
2019 01 13 00 47 34.4 +01 55 50 3.4638 3.4235 79.5 16.4 25.2
2019 01 14 00 48 11.4 +01 59 39 3.4799 3.4244 78.6 16.4 25.2
...
2019 01 20 00 52 08.3 +02 23 58 3.5757 3.4301 73.6 16.0 25.2
...
2019 01 28 00 58 00.5 +02 59 54 3.6992 3.4369 67.0 15.3 25.3
...
2019 02 12 01 10 37.3 +04 15 53 3.9137 3.4478 55.3 13.6 25.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-A210
Read MPEC 2019-A209
Read MPEC 2019-A211
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)