MPEC 2021-C187 : 2018 AG37 (original) (raw)

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M.P.E.C. 2021-C187 Issued 2021 February 10, 19:59 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 AG37

Observations: K18A37G*5C2018 01 15.63517108 26 28.009+34 41 18.77 25.3 GVEC187568 K18A37G 5C2018 01 16.63063508 26 25.988+34 41 25.98 25.3 GVEC187568 K18A37G 5C2019 03 01.13333 08 25 43.165+34 44 02.47 25.3 rVEC187304 K18A37G 5C2019 03 02.09349 08 25 41.587+34 44 03.43 25.2 rVEC187304 K18A37G 5C2019 03 02.14413 08 25 41.512+34 44 03.30 25.3 rVEC187304 K18A37G 5C2019 05 01.29827 08 24 58.399+34 40 07.42 25.3 rVEC187568 K18A37G 5C2019 05 02.31035 08 24 58.743+34 40 00.01 25.2 rVEC187568 K18A37G 5C2020 01 24.56961608 27 32.247+34 41 24.35 25.3 GVEC187568 K18A37G 5C2020 01 25.44496308 27 30.456+34 41 29.84 25.0 GVEC187568

Observer details: 304 Las Campanas Observatory. Observer S. S. Sheppard. 6.5-m Magellan-Baade telescope + CCD. 568 Mauna Kea. Observers S. S. Sheppard, D. J. Tholen, C. Trujillo. Measurers D. J. Tholen, C. Trujillo. 8.2-m reflector + CCD, 8.1-m reflector + CCD.

Orbital elements: 2018 AG37 Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Alexandersen M 118.00006 (2000.0) P Q n 0.00123501 Peri. 250.80325 +0.71002742 +0.63826230 a 86.0377366 Node 68.32721 -0.46326523 +0.74152849 e 0.6880617 Incl. 18.66821 -0.53032668 +0.20677702 P 798 H 4.22 G 0.15 U 9 Residuals in seconds of arc 180115 568 0.0+ 0.0+ 190302 304 0.1- 0.0- 190502 568 (0.3+ 0.2+) 180116 568 0.0- 0.0- 190302 304 0.0+ 0.2- 200124 568 0.0+ 0.0+ 190301 304 0.1+ 0.3- 190501 568 (0.2+ 0.2-) 200125 568 0.0- 0.0-

Ephemeris: 2018 AG37 a,e,i = 86.04, 0.69, 19 q = 26.8385 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2021 01 11 08 28 38.5 +34 39 25 131.8769132.8113 161.8 0.1 25.5 ... 2021 01 26 08 28 08.2 +34 41 11 131.8720132.8189 164.1 0.1 25.5 ... 2021 02 03 08 27 52.0 +34 41 55 131.8965132.8230 160.0 0.1 25.5 ... 2021 02 09 08 27 40.0 +34 42 22 131.9271132.8260 155.6 0.2 25.5 2021 02 10 08 27 38.1 +34 42 26 131.9331132.8265 154.8 0.2 25.5 2021 02 11 08 27 36.1 +34 42 30 131.9395132.8270 154.0 0.2 25.5 ... 2021 02 17 08 27 24.7 +34 42 50 131.9833132.8301 148.9 0.2 25.5 ... 2021 02 25 08 27 10.4 +34 43 07 132.0563132.8341 141.7 0.3 25.5 ... 2021 03 12 08 26 47.1 +34 43 11 132.2326132.8417 127.6 0.3 25.5

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