MPEC 2021-M85 : 2002 RA182
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M.P.E.C. 2021-M85 Issued 2021 June 24, 14:39 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
2002 RA182
Revision to MPEC 2002-S3
Additional Observations:
K02RI2A KC2021 06 19.21575 20 39 39.72 -49 54 14.2 VEM085W94
K02RI2A KC2021 06 19.22141 20 39 40.62 -49 54 13.5 19.3 GVEM085W94
K02RI2A KC2021 06 19.22699 20 39 41.49 -49 54 15.2 19.8 GVEM085W94
K02RI2A KC2021 06 19.26543 20 39 47.83 -49 54 19.9 19.8 GVEM085W95
K02RI2A KC2021 06 19.27080 20 39 48.69 -49 54 20.8 19.6 GVEM085W95
K02RI2A KC2021 06 19.27611 20 39 49.61 -49 54 21.0 19.6 GVEM085W95
K02RI2A |C2021 06 20.20530 20 42 36.27 -49 55 07.7 20.0 GVEM085807
K02RI2A |C2021 06 20.20789 20 42 36.70 -49 55 07.9 20.0 GVEM085807
K02RI2A |C2021 06 20.21084 20 42 37.19 -49 55 08.2 20.3 GVEM085807
K02RI2A KC2021 06 21.12087420 45 17.78 -49 55 28.9 18.7 GXEM085Y00
K02RI2A KC2021 06 21.12396420 45 18.30 -49 55 29.1 19.2 GXEM085Y00
K02RI2A KC2021 06 21.12704920 45 18.70 -49 55 28.3 19.3 GXEM085Y00
K02RI2A HC2021 06 23.11186 20 50 58.45 -49 54 13.0 VEM085L81
K02RI2A KC2021 06 23.11897 20 50 59.54 -49 54 12.0 19.9 GVEM085L81
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD.
L81 Skygems Namibia Remote Observatory. Observers L. Buzzi, L. Demetz.
Measurers L. Buzzi, G. Galli. 0.51-m f/6.7 astrograph + CCD.
W94 MAP, San Pedro de Atacama. Observers A. Maury, G. Attard. Measurers A.
Maury, G. Attard, D. Parrott. 0.28-m f/2.2 Schmidt + CCD.
W95 Observatorio Panameno, San Pedro de Atacama. Observers A. Maury, G.
Attard, J. Fabrega. Measurers A. Maury, G. Attard, D. Parrott. 0.40-m
f/3.8 reflector + CCD.
Y00 SONEAR Observatory, Oliveira. Observers C. Jacques, E. Pimentel, J.
Barros. Measurer C. Jacques. 0.45-m f/2.9 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
210619 W94 11+ 4+ 210623 L81 11+ 4+ MPO217994 +3.66 days
Orbital elements:
2002 RA182 Earth MOID = 0.2681 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Alexandersen
M 357.01805 (2000.0) P Q
n 0.31082119 Peri. 301.95295 +0.42776250 +0.90375981
a 2.1583853 Node 353.31759 -0.77817849 +0.35954309
e 0.4187490 Incl. 7.60958 -0.45984506 +0.23226487
P 3.17 H 20.6 G 0.15 U 2
Residuals in seconds of arc
020905 608 0.3+ 0.1- 020915 644 0.3- 0.3+ 210619 W94 0.5+ 0.4-
020913 644 0.4- 0.1+ 020916 649 0.2+ 0.2- 210619 W94 0.2+ 1.1+
020913 644 0.7- 0.2+ 020916 649 0.1+ 0.3- 210619 W94 0.3- 0.2+
020913 644 0.7- 0.5+ 020916 649 0.5+ 0.3- 210619 W95 0.2- 0.2+
020914 644 0.2- 0.2+ 020916 644 0.5- 0.2+ 210619 W95 0.4- 0.2-
020914 644 0.3- 0.4+ 020916 644 0.7- 0.1+ 210619 W95 0.1+ 0.2+
020914 644 0.2- 0.4+ 020916 644 0.4- 0.2+ 210620 807 0.0 0.2-
020915 557 1.3+ 0.5- 020928 696 0.1- 0.6- 210620 807 0.0 0.1-
020915 557 0.0 0.3+ 020928 696 0.2- 0.3- 210620 807 0.0 0.1-
020915 557 0.1+ 0.5- 020929 246 (1.6+ 1.0-) 210621 Y00 0.0 0.5-
020915 291 0.1+ 0.1- 020929 246 1.3+ 0.9- 210621 Y00 0.2+ 0.4-
020915 291 0.6+ 0.3- 020929 246 1.4+ 0.2- 210621 Y00 0.8- 0.6+
020915 291 0.1+ 0.1- 020929 246 0.7+ 0.8- 210623 L81 0.3+ 0.3-
020915 644 0.1- 0.4+ 021011 645 0.1+ 0.1- 210623 L81 0.3+ 0.2-
020915 644 0.1- 0.2+ 021011 645 0.2- 0.2+
Ephemeris:
2002 RA182 a,e,i = 2.16, 0.42, 8 q = 1.2546
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 25 19 19 15.6 -46 28 00 0.4339 1.3488 133.5 33.0 20.8
...
2021 06 09 20 07 38.7 -49 08 14 0.3644 1.3027 136.2 32.6 20.4
...
2021 06 17 20 32 55.4 -49 49 35 0.3361 1.2839 137.5 32.3 20.1
...
2021 06 23 20 50 40.0 -49 54 10 0.3185 1.2727 138.6 31.9 20.0
2021 06 24 20 53 28.4 -49 52 32 0.3158 1.2711 138.8 31.8 20.0
2021 06 25 20 56 13.9 -49 50 13 0.3132 1.2695 139.0 31.7 19.9
...
2021 07 01 21 11 32.4 -49 21 21 0.2994 1.2618 140.4 30.9 19.8
...
2021 07 09 21 27 58.4 -48 02 00 0.2852 1.2558 142.8 29.3 19.7
...
2021 07 24 21 45 17.4 -43 25 59 0.2721 1.2580 149.6 24.1 19.4
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-M85
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