[Iaude] MPEC Y131: 2017 YL6 [a=1.31,e=0.40,i=29.2,H=22.5]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Dec 26 09:03:01 EST 2020
M.P.E.C. 2020-Y131 Issued 2020 December 26, 14:01 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 YL6
Revision to MPEC 2017-Y141
Additional Observations:
K17Y06L C2020 12 25.55952708 24 48.475+40 05 32.47 22.41wUEY131F51
K17Y06L C2020 12 25.57021608 24 46.464+40 05 13.82 22.43wUEY131F51
K17Y06L C2020 12 25.58096108 24 44.449+40 04 55.32 22.49wUEY131F51
K17Y06L C2020 12 25.59183908 24 42.387+40 04 36.42 21.94wUEY131F51
K17Y06L ^C2020 12 26.48639 08 22 00.01 +39 38 14.6 21.8 RVEY131695
K17Y06L ^C2020 12 26.48889 08 21 59.51 +39 38 09.8 21.5 RVEY131695
K17Y06L ^C2020 12 26.49139 08 21 59.04 +39 38 05.3 22.1 RVEY131695
Observer details:
695 Kitt Peak. Observer J. V. Scotti. 2.3-m f/9 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, 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 (or two decimals in degrees), reference and Delta-T
201225 F51 0.26+ 0.22+ 201226 695 0.27+ 0.22+ MPO438046 +0.14 days
Orbital elements:
2017 YL6 Earth MOID = 0.0061 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 287.40360 (2000.0) P Q
n 0.65532906 Peri. 281.57160 -0.73257797 +0.50414138
a 1.3126928 Node 290.30057 -0.25483337 -0.82616749
e 0.3956611 Incl. 29.18570 -0.63118102 -0.25157255
P 1.50 H 22.5 G 0.15 U 2
Residuals in seconds of arc
171224 F51 0.1+ 0.2- 180105 291 0.6- 0.0 180125 807 0.4- 0.0
171224 F51 0.1+ 0.1+ 180112 711 0.2- 0.2- 180125 807 0.2- 0.3-
171224 F51 0.0 0.3- 180112 711 0.7- 0.1- 180204 807 0.1- 0.0
171224 F51 0.3+ 0.2+ 180112 711 0.2- 0.0 180204 807 0.1+ 0.0
171226 291 0.5- 0.3- 180119 807 0.3+ 0.1+ 180204 807 0.3- 0.0
171226 291 0.4- 0.7+ 180119 807 0.4+ 0.1- 180220 807 0.0 0.3+
171226 291 0.2+ 0.3- 180119 807 0.0 0.1- 180220 807 0.1+ 0.3+
171228 I52 (1.6- 0.1-) 180120 I52 0.1+ 0.1- 180220 807 0.2- 0.0
171228 I52 0.5- 0.1+ 180120 I52 0.6- 0.1+ 201225 F51 0.1+ 0.1+
171228 I52 0.7- 0.3- 180120 I52 0.3+ 0.1- 201225 F51 0.0 0.2-
171228 I52 0.2- 0.2+ 180120 I52 0.8+ 0.9+ 201225 F51 0.0 0.1-
171229 926 0.0 1.0+ 180124 807 0.0 0.2- 201225 F51 0.2- 0.1-
171229 926 0.3+ 0.2- 180124 807 0.3+ 0.0 201226 695 0.0 0.5+
171229 926 0.4+ 0.1+ 180124 807 0.7+ 0.5- 201226 695 0.1- 0.4+
180105 291 0.1- 0.3+ 180125 807 0.3+ 0.0 201226 695 0.2+ 0.6+
180105 291 0.2- 0.0 180125 807 0.2- 0.0
Ephemeris:
2017 YL6 a,e,i = 1.31, 0.40, 29 q = 0.7933
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 26 08 48 59.1 +46 05 24 0.7203 1.4726 118.4 36.1 24.1
...
2020 12 11 08 49 39.0 +44 17 53 0.5318 1.3933 131.1 32.2 23.2
...
2020 12 19 08 40 05.5 +42 31 19 0.4379 1.3481 139.7 28.1 22.6
...
2020 12 25 08 26 25.5 +40 20 55 0.3722 1.3129 147.6 23.7 22.1
2020 12 26 08 23 30.5 +39 52 46 0.3618 1.3070 149.0 22.8 22.0
2020 12 27 08 20 23.7 +39 22 17 0.3515 1.3010 150.5 21.8 21.9
...
2021 01 02 07 57 19.2 +35 18 15 0.2939 1.2646 160.9 14.8 21.2
...
2021 01 10 07 14 33.0 +25 51 09 0.2320 1.2148 175.4 3.7 20.1
...
2021 01 25 05 34 28.2 -06 18 46 0.1933 1.1187 130.1 42.3 20.8
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-Y131
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