[Iaude] MPEC X140: 2020 XD4 [a=1.38,e=0.64,i=39.6,H=20.2]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Dec 12 14:14:30 EST 2020
M.P.E.C. 2020-X140 Issued 2020 December 12, 19:13 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
2020 XD4
Observations:
K20X04D* C2020 12 09.42760605 02 03.496-03 39 00.92 22.16wUEX140F51
K20X04D C2020 12 09.44024405 02 01.578-03 39 19.49 22.22wUEX140F51
K20X04D C2020 12 09.45284105 01 59.653-03 39 37.96 22.81wUEX140F51
K20X04D C2020 12 09.46542505 01 57.715-03 39 56.35 22.74wUEX140F51
K20X04D |C2020 12 10.13066 05 00 18.43 -03 56 02.4 21.5 GVEX140807
K20X04D |C2020 12 10.13973 05 00 17.05 -03 56 15.7 21.5 GVEX140807
K20X04D |C2020 12 10.14841 05 00 15.71 -03 56 28.3 21.9 GVEX140807
K20X04D KC2020 12 10.20371505 00 07.36 -03 57 59.1 22.4 VuEX140H21
K20X04D KC2020 12 10.21060905 00 06.28 -03 58 09.1 21.9 VuEX140H21
K20X04D KC2020 12 10.21486705 00 05.63 -03 58 15.4 22.1 VuEX140H21
K20X04D C2020 12 10.36113304 59 43.809-04 01 45.90 21.91GVEX140F52
K20X04D C2020 12 10.39225604 59 39.041-04 02 31.08 21.84GVEX140F52
K20X04D |C2020 12 11.17009 04 57 41.79 -04 21 07.7 22.3 GVEX140807
K20X04D |C2020 12 11.17440 04 57 41.11 -04 21 13.8 22.2 GVEX140807
K20X04D |C2020 12 11.17893 04 57 40.40 -04 21 20.5 22.2 GVEX140807
K20X04D |C2020 12 12.16254 04 55 11.58 -04 44 44.8 22.2 GVEX140807
K20X04D |C2020 12 12.16849 04 55 10.66 -04 44 53.5 22.2 GVEX140807
K20X04D |C2020 12 12.17445 04 55 09.74 -04 45 02.0 22.2 GVEX140807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + 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.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 1.3-m f/4.0
astrograph + CCD.
Orbital elements:
2020 XD4 Earth MOID = 0.5128 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 267.53959 (2000.0) P Q
n 0.60971889 Peri. 353.97360 -0.57313076 +0.60724829
a 1.3773668 Node 239.58827 -0.72268229 -0.69110854
e 0.6375340 Incl. 39.64530 -0.38633073 +0.39194196
P 1.62 H 20.2 G 0.15 U 8
Residuals in seconds of arc
201209 F51 0.1- 0.0 201210 807 0.2+ 0.0 201211 807 0.3+ 0.1+
201209 F51 0.1+ 0.0 201210 H21 0.1+ 0.0 201211 807 0.0 0.2+
201209 F51 0.1+ 0.0 201210 H21 0.3- 0.1+ 201211 807 0.1- 0.0
201209 F51 0.1- 0.1+ 201210 H21 0.3- 0.0 201212 807 0.0 0.2+
201210 807 0.2+ 0.0 201210 F52 0.3- 0.2- 201212 807 0.0 0.1-
201210 807 0.4+ 0.1- 201210 F52 0.1- 0.1- 201212 807 0.0 0.1-
Ephemeris:
2020 XD4 a,e,i = 1.38, 0.64, 40 q = 0.4992
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 12 05 55 36.6 +07 39 52 1.1828 2.0316 138.3 18.9 23.1
...
2020 11 27 05 30 41.2 +01 37 00 1.0340 1.9634 152.6 13.4 22.5
...
2020 12 05 05 12 51.5 -01 48 11 0.9842 1.9229 155.0 12.5 22.3
...
2020 12 11 04 58 07.5 -04 17 06 0.9617 1.8906 152.5 13.9 22.3
2020 12 12 04 55 36.3 -04 40 57 0.9592 1.8850 151.8 14.3 22.3
2020 12 13 04 53 04.5 -05 04 27 0.9570 1.8794 150.9 14.7 22.3
...
2020 12 19 04 37 52.6 -07 16 25 0.9512 1.8449 144.9 17.9 22.4
...
2020 12 27 04 18 29.9 -09 42 37 0.9607 1.7960 135.0 22.8 22.5
...
2021 01 11 03 49 06.6 -12 34 19 1.0168 1.6958 115.9 31.4 22.7
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X140
More information about the Iaude
mailing list