2010 RA91

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3489900305 ± 2.96e-07
Semi-major axis (a)1.1666913721 AU ± 2.12e-08
Inclination (i)5.61452509° ± 6.03e-06
Long. of Asc. Node (Ω)183.56898527° ± 1.08e-05
Arg. of Perihelion (ω)272.72071814° ± 3.60e-05
Mean Anomaly (M)312.50349750° ± 1.24e-04
Mean Motion (n)0.7821288340°/day ± 2.13e-08
Perihelion dist (q)0.75952771 AU ± 3.45e-07
Aphelion dist (Q)1.57385503 AU ± 3.46e-07
Orbital Period1.26018405 yr ± 3.44e-08
Physical Parameters
H (abs. magnitude)23.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.300″
Uncertainty0
Orbit TypeApollo
MOID0.003091 AU
Observations Used117
Oppositions2
Arc Total2010-2021
First Observation Used2010-09-01
Last Observation Used2021-05-07
Observations (121)
Date Type RA Dec Mag Band Observatory
2010-09-30 04:47:39 C 20 51 27.14 -17 21 20.8 19.7 c 704
2010-09-30 05:02:12 C 20 51 20.14 -17 22 44.0 r G89
2010-09-30 05:06:53 C 20 51 17.04 -17 23 06.6 19.7 c 704
2010-10-01 02:06:06 C 20 40 29.86 -19 20 31.6 o H21
2010-10-01 02:23:09 C 20 40 20.13 -19 22 09.2 o H21
2010-10-01 02:28:37 C 20 40 17.00 -19 22 40.2 o H21
2010-10-04 01:17:19 C 19 57 13.40 -26 19 21.3 o H21
2010-10-04 01:47:16 C 19 56 51.86 -26 22 19.0 o H21
2010-10-04 02:04:43 C 19 56 39.27 -26 24 00.8 o H21
2021-04-17 12:43:17 C 16 21 37.379 -08 15 38.90 V F51
2021-04-17 13:01:03 C 16 21 35.083 -08 15 22.14 V F51
2021-04-17 13:18:48 C 16 21 32.803 -08 15 05.76 V F51
2021-05-04 09:13:48 C 15 31 06.00 -02 51 21.4 o 291
2021-05-04 09:39:37 C 15 31 02.75 -02 51 06.3 o 291
2021-05-04 10:05:28 C 15 30 59.52 -02 50 50.7 o 291
2021-05-04 10:20:37 C 15 30 58.772 -02 50 36.68 V F51
2021-05-04 10:38:41 C 15 30 56.471 -02 50 26.04 V F51
2021-05-04 10:56:44 C 15 30 54.210 -02 50 15.47 V F51
2021-05-04 11:14:48 C 15 30 51.923 -02 50 04.41 V F51
2021-05-07 07:08:07 C 15 22 57.08 -02 12 07.7 o 291
2021-05-07 07:21:05 C 15 22 55.47 -02 12 00.9 o 291