[Iaude] MPEC W95: 2022 US21 [a=0.93,e=0.39,i=22.9,H=21.83]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Nov 22 09:25:26 EST 2023
M.P.E.C. 2023-W95 Issued 2023 November 22, 14:23 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2022 US21
Revision to MPEC 2022-V12
Additional Observations:
K22U21S KC2023 10 22.36132806 44 25.415+46 49 48.72 21.72GVEW095V06
K22U21S KC2023 10 22.36711506 44 25.170+46 50 08.23 22.07GVEW095V06
K22U21S KC2023 10 22.37290206 44 24.922+46 50 27.60 21.82GVEW095V06
K22U21S KC2023 10 22.37869106 44 24.673+46 50 47.08 21.83GVEW095V06
K22U21S 0C2023 11 17.53955304 59 50.192+70 07 57.70 22.06GVEW095T12
K22U21S 0C2023 11 17.54307504 59 47.986+70 08 04.94 22.11GVEW095T12
Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
V06 Catalina Sky Survey-Kuiper. Observer J. B. Fazekas. Measurers E. C.
Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector +
1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231022 V06 0.15- 0.03- 231117 T12 0.31- 0.01- E2023-QF3 -0.19 days
Orbital elements:
2022 US21 PHA, Earth MOID = 0.0353 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 78.23718 (2000.0) P Q
n 1.09394579 Peri. 230.91572 -0.24744977 +0.95341758
a 0.9328365 Node 26.35391 -0.72476821 -0.06397136
e 0.3892882 Incl. 22.86964 -0.64302384 -0.29479243
P 0.90 H 21.83 G 0.15 U 2
Residuals in seconds of arc
221028 F51 0.0 0.0 221031 204 0.3+ 0.2- 221113 691 0.1+ 0.2+
221028 F51 0.0 0.2+ 221031 104 0.3- 0.0 221114 950 0.1- 0.4-
221030 G96 0.1- 0.0 221031 104 0.1- 0.7+ 221114 950 0.1- 0.1-
221030 G96 0.0 0.3+ 221031 587 0.1- 0.7+ 221114 950 0.2- 0.2-
221030 G96 0.1+ 0.0 221031 587 (0.4+ 0.9+) 221114 950 0.2- 0.2-
221030 G96 0.1+ 0.3- 221101 H36 0.8+ 0.8+ 221114 950 0.5- 0.7-
221030 I52 0.0 0.5- 221101 H36 0.4- 0.2- 221114 950 0.1- 0.2-
221030 I52 0.2- 0.1- 221101 H36 0.4- 0.2- 221114 950 0.2- 0.2-
221030 I52 0.2+ 0.3- 221107 290 0.1- 0.2- 221114 950 0.1- 0.2-
221030 595 0.7+ 0.3+ 221107 290 0.1+ 0.1- 221122 H21 0.1+ 0.2-
221030 595 0.3+ 0.2- 221107 290 0.1- 0.2- 221122 H21 0.1+ 0.2-
221030 595 0.4- 0.3+ 221107 290 0.1- 0.0 221123 H21 0.2+ 0.2+
221030 L01 0.1+ 0.3- 221112 I52 0.9- 0.1- 221123 H21 0.1+ 0.2-
221030 246 0.5+ 0.2- 221112 I52 (1.6- 2.0-) 221125 H21 0.1+ 0.0
221030 246 0.1+ 0.0 221112 691 0.3+ 0.5+ 221125 H21 0.2+ 0.3+
221030 L01 0.2+ 0.0 221112 691 0.1- 0.2+ 231022 V06 0.2+ 0.1+
221030 L01 0.0 0.0 221112 691 0.4- 0.2+ 231022 V06 0.1+ 0.1+
221030 L01 0.1- 0.4+ 221112 033 0.3+ 0.1+ 231022 V06 0.0 0.0
221030 L01 0.3+ 0.0 221112 033 0.1+ 0.3+ 231022 V06 0.1- 0.1-
221031 I52 0.0 0.0 221112 033 0.1- 0.1- 231117 T12 0.0 0.2-
221031 I52 0.1+ 0.1- 221113 691 0.0 0.2- 231117 T12 0.0 0.2-
221031 I52 0.3- 0.2- 221113 691 0.3+ 0.0
Ephemeris:
2022 US21 a,e,i = 0.93, 0.39, 23 q = 0.5697
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 10 23 06 44 01.1 +47 25 07 0.4200 1.1991 108.9 51.7 22.2
...
2023 11 07 06 12 44.7 +61 45 44 0.3968 1.2463 121.7 42.6 22.0
...
2023 11 15 05 23 17.9 +68 28 54 0.3974 1.2650 126.1 39.2 21.9
...
2023 11 21 04 21 54.4 +71 47 32 0.4048 1.2762 127.6 37.8 21.9
2023 11 22 04 09 53.8 +72 07 51 0.4066 1.2778 127.7 37.7 21.9
2023 11 23 03 57 34.7 +72 24 05 0.4086 1.2793 127.8 37.6 21.9
...
2023 11 29 02 43 38.2 +72 36 43 0.4238 1.2872 127.1 37.7 22.0
...
2023 12 07 01 29 57.4 +70 03 08 0.4517 1.2938 124.1 39.1 22.2
...
2023 12 22 00 37 52.9 +62 59 32 0.5203 1.2943 115.3 43.4 22.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-W95
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