MPEC 2017-A37 : 2017 AL4
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M.P.E.C. 2017-A37 Issued 2017 Jan. 6, 23:48 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 AL4
Observations:
K17A04L* C2017 01 03.51941 09 04 44.881-04 40 11.93 22.0 wLEA037F51
K17A04L C2017 01 03.53014 09 04 43.078-04 40 32.10 21.9 wLEA037F51
K17A04L C2017 01 03.54083 09 04 41.300-04 40 52.45 22.0 wLEA037F51
K17A04L C2017 01 03.55153 09 04 39.530-04 41 12.98 22.0 wLEA037F51
K17A04L _C2017 01 04.54957209 02 06.021-05 12 03.40 21.8 GUEA037568
K17A04L _C2017 01 04.55084009 02 05.810-05 12 05.68 21.8 GUEA037568
K17A04L _C2017 01 04.55210809 02 05.599-05 12 07.97 21.6 GUEA037568
K17A04L |C2017 01 06.19857 08 57 52.45 -05 59 31.7 21.6 VuEA037807
K17A04L |C2017 01 06.20552 08 57 51.26 -05 59 43.8 22.1 VuEA037807
K17A04L |C2017 01 06.21245 08 57 50.14 -05 59 55.2 21.8 VuEA037807
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, D. Woodworth. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ 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.
Orbital elements:
2017 AL4 Earth MOID = 0.0889 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 65.49635 (2000.0) P Q
n 0.56384021 Peri. 127.93460 +0.75945558 -0.60941146
a 1.4511045 Node 270.78879 +0.50223761 +0.77168594
e 0.3107151 Incl. 13.16266 +0.41350285 +0.18198481
P 1.75 H 23.0 G 0.15 U 6
Residuals in seconds of arc
170103 F51 0.3+ 0.1- 170104 568 0.0 0.1- 170106 807 0.2- 0.3-
170103 F51 0.0 0.1+ 170104 568 0.1+ 0.1- 170106 807 0.2+ 0.0
170103 F51 0.0 0.0 170104 568 0.1+ 0.1-
170103 F51 0.1+ 0.2- 170106 807 0.4+ 0.1+
Ephemeris:
2017 AL4 a,e,i = 1.45, 0.31, 13 q = 1.0002
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 12 07 09 58 53.3 +16 41 32 0.2373 1.0859 109.0 59.1 22.2
...
2016 12 22 09 34 13.5 +03 35 40 0.2467 1.1432 125.0 44.8 22.0
...
2016 12 30 09 16 04.1 -02 03 10 0.2584 1.1770 133.8 37.1 21.9
...
2017 01 05 09 00 57.0 -05 25 16 0.2714 1.2035 139.8 31.8 21.9
2017 01 06 08 58 22.4 -05 54 10 0.2739 1.2080 140.8 31.0 21.9
2017 01 07 08 55 47.5 -06 21 39 0.2766 1.2125 141.7 30.2 21.9
...
2017 01 13 08 40 27.2 -08 37 00 0.2952 1.2398 146.2 26.2 22.0
...
2017 01 21 08 21 31.0 -10 22 01 0.3269 1.2768 149.6 23.0 22.2
...
2017 02 05 07 55 46.4 -10 36 01 0.4080 1.3467 147.0 23.5 22.8
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-A37
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