MPEC 2023-F21 : 2022 FR4
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M.P.E.C. 2023-F21 Issued 2023 March 17, 14:05 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 FR4
Revision to MPEC 2022-G09
Additional Observations:
K22F04R |C2023 03 13.12146 12 02 08.99 -01 34 32.4 21.6 GVEF021807
K22F04R |C2023 03 13.13071 12 02 07.50 -01 34 12.0 21.8 GVEF021807
K22F04R |C2023 03 13.13995 12 02 06.05 -01 33 51.8 21.7 GVEF021807
K22F04R 1C2023 03 16.01931 11 54 52.36 +00 13 09.1 20.9 VXEF021033
K22F04R 1C2023 03 16.02261 11 54 51.86 +00 13 16.3 21.0 VXEF021033
K22F04R 1C2023 03 16.02590 11 54 51.25 +00 13 24.4 21.0 VXEF021033
K22F04R |C2023 03 16.29807 11 54 07.96 +00 24 55.3 21.1 VuEF021807
K22F04R |C2023 03 16.30579 11 54 06.64 +00 25 13.8 21.2 VuEF021807
K22F04R |C2023 03 16.31352 11 54 05.38 +00 25 30.5 21.0 VuEF021807
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3
Schmidt + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD, 0.61-m f/6.5 Dall-Kirkham
Astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
230313 807 0.6+ 0.3+ 230316 807 0.9+ 0.1+ MPO691357 +0.02 days
Orbital elements:
2022 FR4 Earth MOID = 0.0706 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 191.79931 (2000.0) P Q
n 0.95898697 Peri. 158.37066 +0.90237729 +0.43091033
a 1.0184215 Node 176.09034 -0.40647451 +0.85538796
e 0.1905176 Incl. 4.72190 -0.14315619 +0.28745037
P 1.03 H 24.32 G 0.15 U 2
Residuals in seconds of arc
220331 F52 0.2+ 0.1- 220406 807 0.2- 0.2- 220428 033 0.2+ 0.2+
220331 F52 0.0 0.0 220406 807 0.1- 0.1- 220428 T12 0.0 0.0
220331 F52 0.1+ 0.1- 220408 807 0.1+ 0.1- 220428 T12 0.0 0.0
220331 F52 0.2+ 0.1- 220408 807 0.1+ 0.2- 220503 033 0.1+ 0.2+
220331 F52 0.1- 0.1- 220408 807 0.1+ 0.0 220503 033 0.0 0.2+
220401 807 0.1- 0.0 220408 I52 0.0 0.0 220503 033 0.1+ 0.3+
220401 807 0.1+ 0.1- 220408 I52 0.5+ 0.3+ 220504 I52 0.1+ 0.0
220401 807 0.1+ 0.1- 220409 G96 0.6+ 0.4- 220504 I52 0.0 0.0
220402 807 0.0 0.3- 220409 G96 0.7- 0.8- 220505 033 0.1- 0.1+
220402 807 (0.8+ 0.3+) 220409 G96 0.5- 0.6+ 220505 033 0.1+ 0.4+
220402 807 0.1- 0.1- 220409 G96 0.1- 0.1- 220505 033 0.1+ 0.5+
220402 H21 0.5+ 0.3+ 220410 F52 0.1- 0.2+ 220505 033 0.4+ 0.1+
220402 H21 0.8+ 0.1+ 220410 F52 0.0 0.2+ 220507 033 0.0 0.3+
220402 V06 0.2+ 0.2+ 220410 F52 0.0 0.2+ 220507 033 0.1- 0.1+
220402 V06 0.0 0.1+ 220410 F52 0.1+ 0.0 220507 033 0.0 0.3+
220402 V06 (0.6+ 1.5-) 220419 I52 0.2+ 0.4- 220508 033 0.3- 0.0
220402 V06 0.0 0.3+ 220419 I52 0.4+ 0.0 220508 033 0.0 0.2+
220403 807 0.4- 0.2- 220419 I52 0.1- 0.3+ 220508 033 0.0 0.0
220403 807 0.3+ 0.0 220419 I52 0.3- 0.2- 230313 807 (0.5+ 0.6-)
220403 807 0.1- 0.0 220421 291 0.0 0.1+ 230313 807 0.1- 0.2-
220403 V06 0.1+ 0.0 220421 291 0.3+ 0.0 230313 807 0.0 0.0
220403 V06 0.4- 0.2- 220421 291 0.2+ 0.1- 230316 033 0.3+ 0.1+
220404 V06 (0.5+ 1.2-) 220426 033 0.1- 0.2+ 230316 033 1.0+ 0.4-
220404 V06 0.1- 0.0 220426 033 0.1+ 0.1+ 230316 033 0.1+ 0.1+
220404 V06 0.0 0.2- 220426 033 0.2- 0.0 230316 807 0.3+ 0.4+
220404 V06 0.1+ 0.8- 220428 033 0.3+ 0.4+ 230316 807 (0.1+ 0.9+)
220406 807 0.1- 0.2- 220428 033 0.0 0.1+ 230316 807 (0.9+ 0.5-)
Ephemeris:
2022 FR4 a,e,i = 1.02, 0.19, 5 q = 0.8244
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 15 12 35 33.7 -10 57 15 0.3007 1.2123 132.9 36.7 23.6
...
2023 03 02 12 23 44.9 -07 07 56 0.2381 1.2067 152.2 22.5 22.7
...
2023 03 10 12 09 15.2 -03 22 37 0.2132 1.2002 165.2 12.2 22.1
...
2023 03 16 11 54 55.9 +00 12 56 0.1997 1.1938 176.1 3.3 21.5
2023 03 17 11 52 18.7 +00 52 02 0.1979 1.1926 177.9 1.7 21.4
2023 03 18 11 49 38.4 +01 31 50 0.1963 1.1913 179.6 0.4 21.2
...
2023 03 24 11 32 52.4 +05 40 16 0.1896 1.1831 168.5 9.7 21.7
...
2023 04 01 11 10 37.6 +11 07 19 0.1884 1.1701 153.1 22.7 22.1
...
2023 04 16 10 38 56.5 +19 02 32 0.2033 1.1399 128.0 43.9 22.8
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