MPEC 2019-P16 : 2018 MR5
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M.P.E.C. 2019-P16 Issued 2019 August 1, 11:39 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
2018 MR5
Revision to MPEC 2018-M66
Additional Observations:
K18M05R ^C2014 10 22.29900 01 43 47.780+15 27 26.24 23.7 GVEP016568
K18M05R ^C2014 10 22.34471 01 43 43.032+15 27 03.90 23.9 GVEP016568
K18M05R ^C2014 10 25.48760 01 38 21.649+15 00 29.47 23.0 GVEP016568
K18M05R ^C2015 02 18.23166 01 29 55.643+11 55 10.90 22.3 GVEP016568
Observer details:
568 Mauna Kea. Observers B. Gladman, D. Woodworth, T. Burdullis, P. Forshay,
N. Flagey. Measurers R. Weryk, R. Wainscoat.
3.6-m Canada-France-Hawaii Telescope + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
141022 568 56.6- 25.8- 150218 568 12.1- 4.9- MPO473496 0.00 days
Orbital elements:
2018 MR5 PHA, Earth MOID = 0.0437 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 126.29796 (2000.0) P Q
n 0.33077809 Peri. 204.59933 -0.98832221 -0.14995715
a 2.0706732 Node 326.74103 +0.14669806 -0.88833020
e 0.7197162 Incl. 2.82785 +0.04121756 -0.43403032
P 2.98 H 20.9 G 0.15 U 2
Residuals in seconds of arc
141022 568 0.5+ 0.2+ 180622 I52 0.4- 0.1- 180706 I52 0.2- 0.1+
141022 568 0.1- 0.1- 180622 I52 0.7+ 0.6- 180706 I52 0.7- 0.9-
141025 568 0.3- 0.1- 180622 I52 0.1- 0.3+ 180707 I52 0.0 0.2+
150218 568 0.3- 0.0 180622 691 0.1+ 0.3+ 180707 I52 0.0 0.8+
180615 F51 0.1+ 0.0 180622 691 0.0 0.2+ 180707 I52 0.6- 0.7-
180615 F51 0.0 0.1- 180622 691 0.3- 0.4+ 180710 F51 0.1- 0.0
180617 F51 0.1+ 0.0 180623 691 0.1+ 0.3+ 180710 F51 0.0 0.0
180619 F51 0.0 0.1- 180623 691 0.0 0.6+ 180710 F51 0.0 0.4+
180619 F51 0.0 0.2- 180623 691 0.4+ 0.3+ 180710 474 0.4+ 1.0-
180619 F51 0.2+ 0.0 180624 291 0.0 0.4+ 180710 474 0.3- 0.2+
180619 F51 0.0 0.1+ 180624 291 0.0 0.4+ 180710 474 0.3+ 0.4+
180620 I52 0.6- 0.6+ 180624 291 0.1- 0.2+ 180710 474 0.3- 0.1-
180620 I52 0.5- 0.2- 180703 I52 0.4+ 0.1- 180717 474 0.5+ 0.6+
180620 I52 0.1- 1.0- 180703 I52 0.0 0.2- 180717 474 0.0 0.1-
180621 691 0.0 0.3+ 180705 I52 0.2- 0.8- 180717 474 0.2- 0.1+
180621 691 0.4- 0.7+ 180705 I52 0.5- 0.4+ 180807 F51 0.1+ 0.5-
180621 691 0.4- 0.3- 180705 I52 0.6+ 0.2- 180807 F51 0.1+ 0.3+
180621 T12 0.0 0.0 180705 I52 0.0 0.1-
180621 T12 0.0 0.0 180706 I52 0.6+ 0.4-
Ephemeris:
2018 MR5 a,e,i = 2.07, 0.72, 3 q = 0.5804
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 07 02 00 00 19.6 +01 01 23 3.1736 3.4825 99.1 16.8 27.0
...
2019 07 17 23 59 38.3 +01 05 43 2.9730 3.5051 113.5 15.4 26.8
...
2019 07 25 23 57 29.8 +00 56 45 2.8736 3.5156 121.7 14.2 26.7
...
2019 07 31 23 55 02.6 +00 44 35 2.8045 3.5227 128.1 13.1 26.6
2019 08 01 23 54 33.8 +00 42 06 2.7935 3.5239 129.2 12.9 26.6
2019 08 02 23 54 03.7 +00 39 28 2.7827 3.5250 130.3 12.7 26.6
...
2019 08 08 23 50 38.7 +00 21 02 2.7220 3.5313 136.9 11.3 26.5
...
2019 08 16 23 45 02.5 -00 10 31 2.6529 3.5387 146.1 9.2 26.4
...
2019 08 31 23 31 50.7 -01 27 51 2.5682 3.5498 164.0 4.5 26.1
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-P16
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