[Iaude] MPEC B134: 2017 BL31 [a=2.44,e=0.85,i=24.9,H=18.7]
mpec at si.edu
mpec at si.edu
Mon Jan 30 09:49:38 EST 2017
M.P.E.C. 2017-B134 Issued 2017 Jan. 30, 14:45 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 http://www.minorplanetcenter.net/ ISSN 1523-6714
2017 BL31
Observations:
K17B31L* C2017 01 26.32775 04 46 43.975+18 05 41.00 21.5 wLEB134F51
K17B31L C2017 01 26.34078 04 46 42.279+18 05 47.25 21.6 wLEB134F51
K17B31L C2017 01 26.35375 04 46 40.622+18 05 53.33 21.8 wLEB134F51
K17B31L C2017 01 26.36664 04 46 38.934+18 05 59.61 21.5 wLEB134F51
K17B31L KC2017 01 27.28091 04 44 44.33 +18 13 18.0 22.5 RoEB134291
K17B31L KC2017 01 27.28662 04 44 43.64 +18 13 21.3 oEB134291
K17B31L _C2017 01 27.34472504 44 36.576+18 13 51.36 21.0 GUEB134568
K17B31L _C2017 01 27.34594204 44 36.422+18 13 51.92 21.1 GUEB134568
K17B31L _C2017 01 27.34716004 44 36.264+18 13 52.53 20.9 GUEB134568
K17B31L C2017 01 28.12208 04 43 01.38 +18 20 05.8 22.3 RoEB134926
K17B31L C2017 01 28.13286 04 43 00.05 +18 20 11.6 22.7 RoEB134926
K17B31L C2017 01 28.14361 04 42 58.71 +18 20 16.7 22.4 RoEB134926
K17B31L C2017 01 30.23495204 38 50.05 +18 37 13.0 22.0 GUEB134H01
K17B31L C2017 01 30.24248504 38 49.15 +18 37 16.7 22.0 GUEB134H01
K17B31L C2017 01 30.25138604 38 48.10 +18 37 20.9 21.3 GUEB134H01
K17B31L C2017 01 30.25522904 38 47.64 +18 37 22.7 21.5 GUEB134H01
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, D. Woodworth. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, S. Kahale,
T. Lowe, A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel,
L. Denneau, H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat,
C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
Orbital elements:
2017 BL31 Earth MOID = 0.1423 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 338.55942 (2000.0) P Q
n 0.25783444 Peri. 132.41045 -0.49583903 +0.76577376
a 2.4447931 Node 103.35497 -0.86760827 -0.41651171
e 0.8507622 Incl. 24.89374 -0.03741059 -0.49000871
P 3.82 H 18.7 G 0.15 U 8
Residuals in seconds of arc
170126 F51 0.0 0.1- 170127 568 0.3+ 0.0 170130 H01 0.2+ 0.1-
170126 F51 0.0 0.0 170127 568 0.3+ 0.1- 170130 H01 0.1+ 0.0
170126 F51 0.3+ 0.1- 170127 568 0.2+ 0.0 170130 H01 0.1+ 0.1-
170126 F51 0.0 0.1+ 170128 926 0.1- 0.2- 170130 H01 0.0 0.1-
170127 291 0.2- 0.5- 170128 926 0.1+ 0.3+
170127 291 0.2+ 0.1+ 170128 926 0.1+ 0.2+
Ephemeris:
2017 BL31 a,e,i = 2.44, 0.85, 25 q = 0.3649
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 12 31 05 50 33.2 +14 48 27 1.1824 2.1484 165.4 6.6 21.2
...
2017 01 15 05 12 56.8 +16 36 41 1.1069 1.9851 143.4 17.2 21.3
...
2017 01 23 04 53 59.1 +17 39 09 1.0951 1.8936 131.1 23.1 21.4
...
2017 01 29 04 41 15.6 +18 27 13 1.0959 1.8227 122.2 27.2 21.4
2017 01 30 04 39 17.7 +18 35 20 1.0967 1.8107 120.8 27.9 21.4
2017 01 31 04 37 22.7 +18 43 30 1.0977 1.7986 119.3 28.5 21.4
...
2017 02 06 04 26 55.9 +19 33 11 1.1059 1.7250 111.0 32.3 21.5
...
2017 02 14 04 15 54.2 +20 42 06 1.1208 1.6235 100.5 36.7 21.5
...
2017 03 01 04 03 50.7 +23 03 12 1.1452 1.4215 83.1 43.8 21.4
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-B134
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