MPEC 2022-R143 : 2022 RA4
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M.P.E.C. 2022-R143 Issued 2022 September 10, 07:14 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2022 RA4
Observations:
K22R04A* C2022 09 07.58192404 01 07.505+15 46 35.07 20.09wUER143F52
K22R04A C2022 09 07.59236804 01 13.334+15 45 32.41 20.07wUER143F52
K22R04A C2022 09 07.60274904 01 19.138+15 44 29.87 20.03wUER143F52
K22R04A C2022 09 07.61329704 01 25.005+15 43 26.49 20.08wUER143F52
K22R04A KC2022 09 08.33887 04 08 20.29 +14 30 08.7 19.9 GVER143H36
K22R04A KC2022 09 08.34767 04 08 25.10 +14 29 15.7 19.9 GVER143H36
K22R04A KC2022 09 08.35648 04 08 29.93 +14 28 21.8 19.7 GVER143H36
K22R04A KC2022 09 08.39189904 08 48.98 +14 24 50.9 19.7 VuER143H21
K22R04A KC2022 09 08.39329704 08 49.73 +14 24 42.5 19.8 VuER143H21
K22R04A KC2022 09 08.39469604 08 50.49 +14 24 34.2 19.8 VuER143H21
K22R04A 6C2022 09 09.14050504 15 43.266+13 09 45.64 19.6 GVER143Z84
K22R04A 6C2022 09 09.14477204 15 45.503+13 09 19.98 20.3 GVER143Z84
K22R04A KC2022 09 10.00519 04 23 27.25 +11 43 26.0 19.1 GVER143K83
K22R04A KC2022 09 10.01645 04 23 33.04 +11 42 19.9 18.8 GVER143K83
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith. Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m f/4.8 .56 meter
reflector + CCD.
K83 Beppe Forti Astronomical Observatory, Montelupo. Observers M. Tombelli,
A. Boattini, A. Mazzanti, M. Lombardo, M. Iozzi, A. Squilloni, G.
Interrante, G. Ferrini, M. Calamandrei. Measurers M. Tombelli, F.
Bernardi. 0.40-m f/8 Ritchey-Chretien + CCD.
Z84 Calar Alto-Schmidt. Observers M. Micheli, R. Kresken. Measurer R.
Kresken. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2022 RA4 Earth MOID = 0.0550 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 Veres
M 347.20840 (2000.0) P Q
n 0.27380992 Peri. 202.18221 +0.97051667 -0.23642145
a 2.3487489 Node 171.09574 +0.24014799 +0.96512354
e 0.5587662 Incl. 17.64914 -0.02064776 +0.11243422
P 3.60 H 21.26 G 0.15 U 9
Residuals in seconds of arc
220907 F52 0.1- 0.0 220908 H36 0.5+ 0.0 220909 Z84 0.2- 0.5+
220907 F52 0.1- 0.1+ 220908 H36 0.3+ 1.2- 220909 Z84 0.5- 0.3+
220907 F52 0.1+ 0.1- 220908 H21 0.5+ 0.1+ 220910 K83 0.4+ 0.5-
220907 F52 0.0 0.0 220908 H21 0.4+ 0.1+ 220910 K83 0.3- 0.1-
220908 H36 1.0+ 0.3+ 220908 H21 0.3+ 0.2+
Ephemeris:
2022 RA4 a,e,i = 2.35, 0.56, 18 q = 1.0363
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 08 11 23 29 21.7 +35 17 25 0.2690 1.1748 121.0 47.7 20.6
...
2022 08 26 01 42 15.0 +32 31 21 0.1841 1.1010 114.9 56.4 19.8
...
2022 09 03 03 13 32.1 +23 12 01 0.1661 1.0717 107.9 63.6 19.8
...
2022 09 09 04 14 24.7 +13 24 16 0.1696 1.0551 101.8 69.2 20.0
2022 09 10 04 23 21.8 +11 44 33 0.1715 1.0528 100.8 70.0 20.0
2022 09 11 04 31 56.9 +10 06 11 0.1738 1.0507 99.9 70.8 20.0
...
2022 09 17 05 16 03.6 +01 07 15 0.1936 1.0409 95.2 74.1 20.4
...
2022 09 25 05 58 19.8 -07 56 26 0.2310 1.0363 91.8 75.3 20.8
...
2022 10 10 06 45 39.5 -18 02 58 0.3123 1.0541 91.5 71.3 21.3
M. P. C. Staff (C) Copyright 2022 MPC M.P.E.C. 2022-R143
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