MPEC 2017-C20 : 2017 BL93
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M.P.E.C. 2017-C20 Issued 2017 Feb. 3, 01:45 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 BL93
Observations:
K17B93L* C2017 01 26.37491 08 16 33.019+15 27 16.34 22.1 wLEC020F51
K17B93L C2017 01 26.38574 08 16 31.734+15 27 25.27 22.3 wLEC020F51
K17B93L C2017 01 26.39654 08 16 30.430+15 27 34.03 22.1 wLEC020F51
K17B93L _C2017 01 27.44753508 14 35.636+15 41 26.20 22.0 GUEC020568
K17B93L _C2017 01 27.44874808 14 35.496+15 41 27.15 21.8 GUEC020568
K17B93L _C2017 01 27.44996208 14 35.360+15 41 28.05 22.0 GUEC020568
K17B93L KC2017 02 01.14611 08 07 14.53 +16 36 10.3 22.8 RoEC020291
K17B93L KC2017 02 01.15509 08 07 13.74 +16 36 15.0 21.9 RoEC020291
K17B93L KC2017 02 01.16406 08 07 12.98 +16 36 20.5 22.3 RoEC020291
K17B93L C2017 02 02.23132008 05 47.30 +16 47 17.0 22.3 GUEC020H01
K17B93L C2017 02 02.23508608 05 46.98 +16 47 19.2 22.2 GUEC020H01
K17B93L C2017 02 02.24860008 05 45.85 +16 47 27.4 22.4 GUEC020H01
K17B93L C2017 02 02.25705708 05 45.16 +16 47 32.4 22.7 GUEC020H01
Observer details:
291 LPL/Spacewatch II. Observer A. F. Tubbiolo. 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.
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 BL93 Earth MOID = 0.0198 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 38.43439 (2000.0) P Q
n 0.35328628 Peri. 219.94173 +0.92812546 -0.37208443
a 1.9817622 Node 161.89211 +0.35042403 +0.86265153
e 0.6222561 Incl. 2.15270 +0.12564283 +0.34261570
P 2.79 H 22.7 G 0.15 U 8
Residuals in seconds of arc
170126 F51 0.0 0.0 170127 568 0.2- 0.1- 170202 H01 0.2- 0.1-
170126 F51 0.1+ 0.0 170201 291 0.1+ 0.9+ 170202 H01 0.2- 0.0
170126 F51 0.1- 0.0 170201 291 0.0 0.2- 170202 H01 0.0 0.1-
170127 568 0.2- 0.1- 170201 291 0.3+ 0.5-
170127 568 0.2- 0.1- 170202 H01 0.1- 0.0
Ephemeris:
2017 BL93 a,e,i = 1.98, 0.62, 2 q = 0.7486
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 01 04 09 21 21.2 +07 28 37 0.2648 1.2043 142.6 29.8 21.5
...
2017 01 19 08 32 42.8 +13 30 57 0.3693 1.3494 170.3 7.1 21.7
...
2017 01 27 08 15 23.9 +15 35 37 0.4425 1.4255 173.9 4.2 22.1
...
2017 02 02 08 06 05.1 +16 45 02 0.5054 1.4817 166.6 8.9 22.7
2017 02 03 08 04 49.1 +16 54 54 0.5165 1.4910 165.3 9.7 22.8
2017 02 04 08 03 37.8 +17 04 20 0.5278 1.5002 164.0 10.4 22.9
...
2017 02 10 07 58 01.6 +17 52 28 0.5994 1.5553 156.6 14.6 23.4
...
2017 02 18 07 54 08.6 +18 37 51 0.7041 1.6271 147.6 19.0 24.0
...
2017 03 05 07 55 24.5 +19 20 57 0.9259 1.7569 132.7 24.5 24.9
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-C20
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