MPEC 2023-D39 : 2022 CW4
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M.P.E.C. 2023-D39 Issued 2023 February 21, 14:07 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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
2022 CW4
Revision to MPEC 2022-C177
Additional Observations:
K22C04W C2021 02 10.31771807 57 45.507+21 42 30.52 21.85GVED039F51
K22C04W C2021 02 10.33104007 57 42.507+21 43 17.13 22.55GVED039F51
K22C04W C2021 02 10.34434707 57 39.477+21 44 03.83 22.13GVED039F51
K22C04W C2021 02 13.25433007 47 24.136+24 28 45.89 22.66GVED039F51
K22C04W !C2023 02 19.22724812 04 28.962+34 54 59.26 20.8 GVED039J04
K22C04W !C2023 02 19.25455812 04 29.002+34 57 54.29 20.7 GVED039J04
K22C04W !C2023 02 20.13805 12 04 41.87 +36 34 24.3 21.0 GVED039J04
K22C04W !C2023 02 20.16449 12 04 41.70 +36 37 18.8 21.0 GVED039J04
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
J04 ESA Optical Ground Station, Tenerife. Observers P. Ruiz, M. Micheli, F.
Ocana, L. Conversi. Measurers R. Kresken, M. Micheli, F. Ocana, A.
Knofel, M. Busch, E. Schwab. 1.0-m f/4.4 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
210210 F51 56.9- 4.8- 230220 J04 84.6- 25.2- MPO681671 +0.01 days
Orbital elements:
2022 CW4 Earth MOID = 0.2114 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 252.31888 (2000.0) P Q
n 1.01381500 Peri. 160.43507 +0.44561158 +0.86469532
a 0.9813643 Node 135.19001 -0.85892656 +0.48594753
e 0.3311487 Incl. 19.20267 -0.25234003 -0.12711018
P 0.97 H 23.36 G 0.15 U 2
Residuals in seconds of arc
210210 F51 0.3- 0.2+ 220208 I52 1.0+ 0.5- 220212 I52 0.8- 0.1-
210210 F51 0.1+ 0.1+ 220208 I52 (1.2+ 2.7-) 220212 I52 0.2- 0.2-
210210 F51 0.0 0.2+ 220208 I52 0.2+ 0.4+ 220221 H21 0.5- 0.0
210213 F51 0.0 0.2- 220208 568 0.0 0.0 220221 H21 0.2- 0.6-
220207 F52 0.1- 0.1+ 220208 568 0.0 0.0 220221 H21 0.2- 0.5-
220207 F52 0.1- 0.3+ 220208 568 0.0 0.1- 220228 H21 0.0 0.1-
220207 F52 0.5- 0.5+ 220208 568 0.0 0.0 220228 H21 0.2- 0.1+
220208 L01 1.0+ 0.5+ 220209 F52 0.1+ 0.1- 230219 J04 0.1- 0.2+
220208 L01 (1.2+ 1.3+) 220209 F52 0.1- 0.1+ 230219 J04 0.2+ 0.1+
220208 L01 0.1- 0.2- 220209 F52 0.0 0.0 230220 J04 0.2- 0.1+
220208 L01 0.8- 0.2+ 220209 F52 0.1- 0.1+ 230220 J04 0.1- 0.4+
220208 I52 1.1+ 0.9+ 220212 I52 0.1+ 0.1+
Ephemeris:
2022 CW4 a,e,i = 0.98, 0.33, 19 q = 0.6564
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 01 22 11 42 19.8 +03 03 29 0.4027 1.2663 126.6 38.6 23.4
...
2023 02 06 11 57 15.2 +15 16 50 0.2924 1.2278 141.3 30.2 22.4
...
2023 02 14 12 02 32.3 +26 05 21 0.2492 1.2020 146.0 27.4 22.0
...
2023 02 20 12 04 40.4 +36 19 03 0.2272 1.1803 144.2 29.4 21.8
2023 02 21 12 04 50.1 +38 09 46 0.2245 1.1765 143.3 30.2 21.8
2023 02 22 12 04 55.9 +40 02 15 0.2222 1.1727 142.3 31.1 21.8
...
2023 02 28 12 03 57.5 +51 35 40 0.2142 1.1483 133.5 38.7 21.9
...
2023 03 08 11 56 19.5 +66 17 43 0.2184 1.1129 118.4 51.7 22.2
...
2023 03 23 09 23 34.0 +86 06 56 0.2538 1.0378 92.2 73.6 23.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-D39
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