MPEC 2015-B77 : 2015 BQ4
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M.P.E.C. 2015-B77 Issued 2015 Jan. 20, 14:43 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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 BQ4
Observations:
K15B04Q C2015 01 14.41587 08 55 59.990+15 56 16.60 21.2 wLEB077F51
K15B04Q* C2015 01 16.53353 08 51 42.149+16 40 31.74 21.1 wLEB077F51
K15B04Q C2015 01 16.57037 08 51 37.335+16 41 19.25 21.3 wLEB077F51
K15B04Q KC2015 01 17.93770 08 48 38.55 +17 11 31.6 20.6 RtEB077J04
K15B04Q KC2015 01 17.94430 08 48 37.60 +17 11 41.4 20.7 RtEB077J04
K15B04Q KC2015 01 18.32342 08 47 45.63 +17 20 15.9 20.4 RqEB077H36
K15B04Q KC2015 01 18.33709 08 47 43.62 +17 20 36.3 20.5 RqEB077H36
K15B04Q KC2015 01 18.35001 08 47 41.85 +17 20 53.8 20.3 RqEB077H36
K15B04Q C2015 01 18.98915 08 46 13.01 +17 35 36.7 20.0 VMEB077033
K15B04Q C2015 01 18.99595 08 46 12.04 +17 35 45.9 20.0 VMEB077033
K15B04Q C2015 01 19.02808 08 46 07.37 +17 36 31.2 19.8 VMEB077033
K15B04Q C2015 01 19.03489 08 46 06.41 +17 36 40.5 19.8 VMEB077033
K15B04Q KC2015 01 19.46658 08 45 04.48 +17 46 50.9 20.6 RoEB077291
K15B04Q KC2015 01 19.46829 08 45 04.28 +17 46 53.0 20.5 RoEB077291
K15B04Q KC2015 01 19.47000 08 45 04.06 +17 46 55.3 20.7 RoEB077291
K15B04Q KC2015 01 20.29101 08 43 04.35 +18 06 31.6 20.5 RqEB077H36
K15B04Q KC2015 01 20.31699 08 43 00.44 +18 07 09.8 20.2 RqEB077H36
K15B04Q KC2015 01 20.33720 08 42 57.38 +18 07 38.8 20.1 RqEB077H36
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observer B. Stecklum. 1.34-m
f/4 Schmidt + CCD.
291 LPL/Spacewatch II. Observer A. F. Tubbiolo. 1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, N. Primak,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat, C. Waters,
R. Weryk, T. Vorobjov, L. Buzzi, B. Bolin, P. Veres. 1.8-m
Ritchey-Chretien + CCD, 1.8-m f/4.4 Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers
A. Knoefel, D. Koschny, M. Busch, M. Micheli, E. Schwab. 1.0-m f/4.4
reflector + CCD.
Orbital elements:
2015 BQ4 Earth MOID = 0.2185 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC
M 320.89173 (2000.0) P Q
n 0.26817064 Peri. 144.03545 +0.05001146 +0.88137262
a 2.3815620 Node 123.92414 -0.99632253 +0.07679139
e 0.8768689 Incl. 34.48125 -0.06957211 -0.46613880
P 3.68 H 18.9 G 0.15 U 9
Residuals in seconds of arc
150114 F51 0.1- 0.0 150118 H36 0.1- 0.8+ 150119 291 0.8- 0.3+
150116 F51 0.1+ 0.1- 150118 H36 0.5+ 0.6+ 150119 291 0.1- 0.0
150116 F51 0.1+ 0.1- 150118 033 0.4+ 0.2+ 150119 291 0.3+ 0.1-
150117 J04 0.6- 0.2- 150118 033 0.5+ 0.1- 150120 H36 0.3- 0.5-
150117 J04 1.3- 0.6+ 150119 033 0.2- 0.2+ 150120 H36 0.2+ 0.0
150118 H36 1.1+ 0.9- 150119 033 0.1+ 0.0 150120 H36 0.4+ 0.3-
Ephemeris:
2015 BQ4 a,e,i = 2.38, 0.88, 34 q = 0.2932
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2014 12 21 09 22 02.9 +10 41 52 1.4810 2.2363 129.1 19.9 22.5
...
2015 01 05 09 10 36.5 +13 15 29 1.1755 2.0753 147.9 14.6 21.7
...
2015 01 13 08 58 38.8 +15 28 24 1.0335 1.9849 159.5 10.0 21.1
...
2015 01 19 08 46 11.5 +17 35 56 0.9395 1.9148 169.1 5.6 20.6
2015 01 20 08 43 47.5 +17 59 34 0.9251 1.9029 170.8 4.7 20.5
2015 01 21 08 41 17.6 +18 23 52 0.9110 1.8910 172.5 3.9 20.4
...
2015 01 27 08 24 11.6 +21 02 52 0.8344 1.8181 176.4 1.9 20.0
...
2015 02 04 07 55 39.4 +25 01 46 0.7553 1.7174 161.0 10.8 20.1
...
2015 02 19 06 47 58.2 +32 25 21 0.6801 1.5165 129.8 30.1 20.3
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-B77
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