MPEC 2018-Y76 : 2017 MK8
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M.P.E.C. 2018-Y76 Issued 2018 Dec. 27, 01:57 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 MK8
Revision to MPEC 2017-N32
Additional Observations:
K17M08K C2013 08 02.50967121 07 14.588+10 01 08.26 22.1 GVEY076F51
K17M08K C2013 08 02.52083121 07 13.794+10 01 09.32 21.2 GVEY076F51
K17M08K C2013 08 16.33873120 50 31.670+10 04 30.88 21.6 GVEY076F51
K17M08K C2013 08 16.35060720 50 30.783+10 04 29.91 22.2 GVEY076F51
K17M08K C2013 08 16.44372520 50 23.814+10 04 23.40 21.5 GVEY076F51
K17M08K C2013 08 16.45446020 50 23.026+10 04 22.96 21.2 GVEY076F51
K17M08K C2016 08 07.37639019 13 25.335-16 54 51.32 23.0 GVEY076F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
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, reference and Delta-T
130802 F51 9.4+ 9.9+ 160807 F51 3.4+ 0.9+ MPO428358 +0.0018 day
Orbital elements:
2017 MK8 Earth MOID = 0.1600 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 79.65447 (2000.0) P Q
n 0.24865670 Peri. 184.73775 -0.36108219 -0.78678590
a 2.5045860 Node 287.14937 +0.87187345 -0.09438509
e 0.6719995 Incl. 31.59283 +0.33084185 -0.60996672
P 3.96 H 16.8 G 0.15 U 2
Residuals in seconds of arc
130802 F51 0.1+ 0.1+ 170701 H21 0.0 0.1- 170719 H21 0.3- 0.2-
130802 F51 0.1+ 0.1+ 170701 H21 0.2- 0.0 170720 H21 0.1- 0.1-
130816 F51 0.1+ 0.1+ 170701 H21 0.4- 0.1+ 170720 H21 0.0 0.0
130816 F51 0.1+ 0.1- 170702 H21 0.3- 0.4+ 170720 H21 0.2+ 0.4-
130816 F51 0.2- 0.3- 170702 H21 0.0 0.0 170812 291 0.3- 0.0
130816 F51 0.0 0.0 170702 H21 0.0 0.1+ 170812 291 0.0 0.4+
160807 F51 0.2+ 0.1- 170702 H21 0.2- 0.0 170812 291 0.2- 0.5+
170623 F51 0.1+ 0.0 170704 H21 0.1- 0.2+ 170921 926 0.0 0.0
170623 F51 0.1- 0.1- 170704 H21 0.2+ 0.0 170921 926 0.0 0.5+
170623 F51 0.1- 0.2- 170704 H21 0.1- 0.2+ 170921 I52 0.3- 0.4-
170623 F51 0.0 0.1- 170715 H21 0.2+ 0.1+ 170921 926 0.1+ 0.4+
170626 H21 0.7+ 0.3+ 170715 H21 0.1- 0.2+ 170921 I52 1.3- 0.8-
170626 H21 0.3+ 0.3+ 170715 H21 0.3+ 0.2+ 170921 I52 0.0 0.0
170626 H21 0.1+ 0.2+ 170716 H21 0.1+ 0.2+ 170921 I52 0.1- 0.4-
170628 T14 0.0 0.1- 170716 H21 0.1+ 0.0 171127 291 0.2+ 0.2-
170628 T14 0.0 0.2- 170716 H21 0.2- 0.1- 171127 291 0.2+ 0.3-
170628 T14 0.0 0.1- 170719 H21 0.1+ 0.3- 171127 291 0.4+ 0.2+
Ephemeris:
2017 MK8 a,e,i = 2.50, 0.67, 32 q = 0.8215
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 27 15 43 12.6 -36 49 23 3.1393 2.2132 16.8 7.4 21.5
...
2018 12 12 16 16 56.8 -37 44 15 3.2396 2.3327 19.3 8.0 21.8
...
2018 12 20 16 33 59.4 -38 05 02 3.2788 2.3944 21.9 8.8 21.9
...
2018 12 26 16 46 19.0 -38 17 16 3.3014 2.4398 24.4 9.6 22.0
2018 12 27 16 48 19.9 -38 19 04 3.3046 2.4473 24.8 9.7 22.0
2018 12 28 16 50 20.2 -38 20 47 3.3076 2.4547 25.3 9.9 22.0
...
2019 01 03 17 02 07.5 -38 29 43 3.3221 2.4990 28.2 10.7 22.1
...
2019 01 11 17 17 10.7 -38 38 24 3.3317 2.5569 32.4 11.9 22.2
...
2019 01 26 17 43 11.6 -38 46 43 3.3202 2.6618 41.3 14.1 22.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y76
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