[Iaude] MPEC J46: 2019 WX4 [a=1.95,e=0.63,i=29.5,H=21.0]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue May 4 10:05:59 EDT 2021
M.P.E.C. 2021-J46 Issued 2021 May 4, 14:04 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
2019 WX4
Revision to MPEC 2019-X03
Additional Observations:
K19W04X C2009 06 15.39771516 36 29.035-24 41 43.64 20.20GVEJ046F51
K19W04X C2009 06 15.41186616 36 26.619-24 42 17.38 19.66GVEJ046F51
K19W04X C2009 06 17.42959116 31 18.696-25 58 49.91 20.82GVEJ046F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. 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 (or two decimals in degrees), reference and Delta-T
090615 F51 0.82- 0.55- 090617 F51 0.78- 0.52- MPO545155 -0.00 days
Orbital elements:
2019 WX4 PHA, Earth MOID = 0.0210 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 111.68077 (2000.0) P Q
n 0.36107812 Peri. 74.32904 -0.76775170 -0.42192258
a 1.9531485 Node 78.52970 +0.20735414 -0.87569994
e 0.6263703 Incl. 29.47540 +0.60626858 -0.23479983
P 2.73 H 21.0 G 0.15 U 0
Residuals in seconds of arc
090615 F51 0.2+ 0.1- 191207 807 0.1- 0.1- 191224 F51 0.1+ 0.2-
090615 F51 0.2- 0.2+ 191207 807 0.1- 0.2- 191224 F51 0.1+ 0.0
090617 F51 0.2+ 0.1+ 191207 807 0.0 0.0 191224 F51 0.2- 0.1+
191128 F51 0.0 0.0 191207 807 0.0 0.0 191224 F51 0.6+ 0.6-
191128 F51 0.1+ 0.0 191207 807 0.2- 0.1- 200105 I52 0.3- 0.7+
191128 F51 0.0 0.0 191215 807 0.3+ 0.5- 200105 I52 0.6- 0.1-
191129 807 0.1+ 0.0 191215 807 0.2+ 0.2- 200105 I52 0.2- 0.0
191129 807 0.3- 0.0 191215 807 0.1- 0.2- 200105 I52 0.1- 0.3+
191129 807 0.3- 0.0 191215 290 0.0 0.0 200107 I52 0.2- 0.8-
191129 L01 0.1- 0.9+ 191215 290 0.2- 0.0 200107 I52 0.5+ 0.2+
191129 L01 0.5- 0.4+ 191215 290 0.2- 0.0 200107 I52 1.3- 0.0
191129 L01 0.0 0.3+ 191216 807 0.2+ 0.3- 200107 I52 0.0 0.0
191130 F51 0.0 0.0 191216 807 0.1+ 0.2- 200118 291 0.0 0.6+
191130 F51 0.1- 0.1+ 191216 807 0.1+ 0.2- 200118 291 0.3+ 0.5+
191130 F51 0.1+ 0.0 191216 F51 0.1- 0.1+ 200521 F51 0.0 0.2+
191130 F51 0.1+ 0.1+ 191218 807 0.0 0.1- 200521 F51 0.0 0.4+
191202 I52 0.1- 0.3+ 191218 807 0.0 0.4- 200521 F51 0.0 0.1-
191202 I52 0.1- 0.0 191218 807 0.2+ 0.1- 200525 F51 0.2+ 0.2+
191202 I52 0.1+ 0.1- 191220 I52 0.1+ 0.4+ 200525 F51 0.0 0.4-
191202 I52 0.1- 0.6+ 191220 I52 0.1- 0.1+ 200531 F51 0.2- 0.4-
191203 F52 0.1+ 0.0 191220 I52 0.5- 0.4+ 200531 F51 0.1- 0.0
191203 F52 0.1- 0.2- 191220 I52 0.1- 0.3+ 200615 F51 0.1- 0.2-
191203 F52 0.1- 0.1+ 191224 F51 0.3- 0.2+ 200615 F51 0.0 0.0
191207 807 0.0 0.2- 191224 F51 0.3+ 0.3-
Ephemeris:
2019 WX4 a,e,i = 1.95, 0.63, 29 q = 0.7298
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 04 23 00 41.3 -30 07 24 3.7480 3.1157 44.6 13.0 27.1
...
2021 04 19 23 20 30.8 -29 31 25 3.6221 3.1362 53.8 15.0 27.1
...
2021 04 27 23 30 31.1 -29 20 38 3.5440 3.1454 59.0 15.9 27.1
...
2021 05 03 23 37 44.2 -29 16 59 3.4811 3.1516 62.9 16.5 27.1
2021 05 04 23 38 54.9 -29 16 46 3.4702 3.1525 63.5 16.6 27.1
2021 05 05 23 40 05.1 -29 16 40 3.4593 3.1535 64.2 16.7 27.1
...
2021 05 11 23 46 56.7 -29 18 40 3.3921 3.1587 68.2 17.3 27.1
...
2021 05 19 23 55 37.0 -29 28 39 3.2984 3.1646 73.6 17.9 27.0
...
2021 06 03 00 10 11.5 -30 12 21 3.1139 3.1726 84.0 18.5 26.9
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-J46
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