MPEC 2020-O117 : 2020 OM4
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M.P.E.C. 2020-O117 Issued 2020 July 26, 18:35 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
2020 OM4
Observations:
K20O04M* C2020 07 23.50996722 29 30.75 -44 05 00.5 18.68cVEO117T05
K20O04M C2020 07 23.51414022 29 33.49 -44 04 35.7 19.09cVEO117T05
K20O04M C2020 07 23.51918222 29 36.78 -44 04 04.2 19.30cVEO117T05
K20O04M C2020 07 23.52975522 29 43.69 -44 02 59.6 18.75cVEO117T05
K20O04M C2020 07 23.66970522 31 24.66 -43 45 56.5 19.0 GVEO117474
K20O04M KC2020 07 23.66984 22 31 28.11 -43 46 23.5 18.9 VqEO117E23
K20O04M C2020 07 23.67171422 31 26.02 -43 45 43.3 19.0 GVEO117474
K20O04M C2020 07 23.67372322 31 27.46 -43 45 29.6 19.1 GVEO117474
K20O04M KC2020 07 23.68126 22 31 35.89 -43 45 08.4 qEO117E23
K20O04M KC2020 07 23.69399 22 31 44.69 -43 43 46.0 18.6 VqEO117E23
K20O04M C2020 07 24.15640422 37 53.042-42 51 03.20 18.3 GVEO117J04
K20O04M C2020 07 24.15667622 37 53.243-42 51 00.94 18.2 GVEO117J04
K20O04M C2020 07 24.15693522 37 53.471-42 50 59.35 18.5 GVEO117J04
K20O04M 1C2020 07 24.38796 22 41 05.94 -42 17 52.2 18.2 GVEO117W88
K20O04M 1C2020 07 24.39832 22 41 14.45 -42 16 21.8 18.3 GVEO117W88
K20O04M KC2020 07 24.50540 22 43 04.40 -42 00 49.0 18.1 RqEO117E94
K20O04M KC2020 07 24.51534 22 43 12.76 -41 59 26.0 18.1 RqEO117E94
K20O04M KC2020 07 24.52529 22 43 21.28 -41 58 01.0 18.0 RqEO117E94
K20O04M KC2020 07 24.53523 22 43 29.63 -41 56 36.6 18.0 RqEO117E94
K20O04M C2020 07 24.67853722 45 33.71 -41 34 51.8 18.2 GVEO117474
K20O04M C2020 07 24.68054522 45 35.45 -41 34 33.0 18.4 GVEO117474
K20O04M C2020 07 24.68355722 45 38.11 -41 34 04.4 18.2 GVEO117474
K20O04M C2020 07 24.68556522 45 39.85 -41 33 45.6 18.4 GVEO117474
K20O04M C2020 07 26.68892523 26 10.39 -33 34 46.0 17.9 GVEO117474
K20O04M C2020 07 26.69044323 26 12.59 -33 34 13.1 18.2 GVEO117474
K20O04M C2020 07 26.69145423 26 14.09 -33 33 51.3 18.0 GVEO117474
K20O04M C2020 07 26.69347623 26 17.04 -33 33 07.5 18.1 GVEO117474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
E94 Possum Observatory, Gisborne. Observer J. Drummond. 0.35-m f/10 Schmidt-
Cassegrain + CCD.
J04 ESA Optical Ground Station, Tenerife. Observers P. Ruiz, E. Kuusela.
Measurers M. Micheli, D. Koschny, L. Conversi, M. Busch, A. Knofel, E.
Schwab. 1.0-m f/4.4 reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland. Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland, H.
Flewelling, A. Fitzsimmons, J. Robinson, N. Erasmus. 0.5-m reflector +
CCD.
W88 Slooh.com Chile Observatory, La Dehesa. Observer A. J. Evans. 0.43-m
f/6.8 Corrected Dall-Kirkham + CCD.
Orbital elements:
2020 OM4 Earth MOID = 0.0026 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 311.53463 (2000.0) P Q
n 0.45719941 Peri. 63.69191 +0.95358652 -0.21736971
a 1.6687794 Node 308.13255 +0.07539497 +0.84233806
e 0.5031722 Incl. 15.36222 +0.29152760 +0.49317036
P 2.16 H 23.5 G 0.15 U 7
Residuals in seconds of arc
200723 T05 0.1- 0.2+ 200723 E23 0.2+ 0.0 200724 E94 0.1+ 0.2+
200723 T05 0.1+ 0.4- 200724 J04 0.2- 0.1+ 200724 474 0.1- 0.3-
200723 T05 0.2+ 0.3+ 200724 J04 0.3- 0.3+ 200724 474 0.3- 0.5-
200723 T05 0.3+ 0.2- 200724 J04 0.1+ 0.2- 200724 474 0.0 0.3-
200723 474 0.0 0.5- 200724 W88 0.0 0.2- 200724 474 0.3- 0.6-
200723 E23 0.4- 0.4+ 200724 W88 0.6+ 0.3+ 200726 474 0.0 0.0
200723 474 0.4- 0.6- 200724 E94 0.5+ 0.4+ 200726 474 0.2- 0.1+
200723 474 0.1+ 0.3- 200724 E94 0.2- 0.2- 200726 474 0.1+ 0.0
200723 E23 0.7- 1.3+ 200724 E94 0.8+ 0.6+ 200726 474 0.0 0.0
Ephemeris:
2020 OM4 a,e,i = 1.67, 0.50, 15 q = 0.8291
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 06 26 20 54 39.4 -49 50 56 0.3165 1.2751 139.9 30.9 22.9
...
2020 07 11 21 22 36.4 -50 11 28 0.1721 1.1592 143.3 31.6 21.3
...
2020 07 19 21 52 14.3 -48 21 08 0.1000 1.0985 143.7 33.2 20.1
...
2020 07 25 22 50 49.8 -40 42 18 0.04889 1.0544 141.3 37.0 18.6
2020 07 26 23 09 56.2 -37 07 27 0.04101 1.0472 139.4 39.1 18.2
2020 07 27 23 34 33.7 -31 36 06 0.03363 1.0400 136.0 42.7 17.9
...
2020 08 02 04 36 18.2 +49 22 39 0.03312 0.9983 59.3 119.1 20.9
...
2020 08 10 07 28 03.0 +55 49 43 0.09902 0.9470 45.6 130.1 24.1
...
2020 08 25 08 24 22.3 +52 39 16 0.2333 0.8705 47.5 121.1 25.0
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-O117
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