2021 RA2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2565438950 ± 4.36e-08
Semi-major axis (a)1.4522478161 AU ± 4.42e-09
Inclination (i)13.40485065° ± 7.77e-06
Long. of Asc. Node (Ω)25.89640876° ± 2.46e-05
Arg. of Perihelion (ω)231.90930333° ± 6.59e-05
Mean Anomaly (M)218.71365050° ± 5.95e-05
Mean Motion (n)0.5631851283°/day ± 2.57e-09
Perihelion dist (q)1.07968250 AU ± 6.35e-08
Aphelion dist (Q)1.82481313 AU ± 6.36e-08
Orbital Period1.75009288 yr ± 7.99e-09
Physical Parameters
H (abs. magnitude)21.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.200″
Uncertainty0
Orbit TypeAmor
MOID0.133481 AU
Observations Used70
Oppositions6
Arc Total2007-2021
First Observation Used2007-08-09
Last Observation Used2021-10-10
Observations (73)
Date Type RA Dec Mag Band Observatory
2021-09-07 07:32:23 C 02 25 36.72 -00 28 13.1 o 291
2021-09-07 07:44:50 C 02 25 36.15 -00 28 09.4 o 291
2021-09-15 11:26:07 C 02 15 18.572 +00 29 24.74 U F52
2021-09-15 12:00:48 C 02 15 16.227 +00 29 34.76 U F52
2021-09-15 12:18:14 C 02 15 15.038 +00 29 39.72 U F52
2021-09-29 09:43:31 C 01 48 36.28 +02 04 32.9 o 691
2021-09-29 10:09:25 C 01 48 33.80 +02 04 40.1 o 691
2021-09-29 10:35:17 C 01 48 31.25 +02 04 47.2 o 691
2021-09-30 17:29:26 C 01 45 38.37 +02 13 27.5 V D29
2021-09-30 17:49:48 C 01 45 36.30 +02 13 32.7 V D29
2021-10-03 08:16:23 C 01 39 39.710 +02 31 01.21 U F51
2021-10-03 08:30:38 C 01 39 38.281 +02 31 05.20 U F51
2021-10-03 08:44:12 C 01 39 36.930 +02 31 09.06 U F51
2021-10-03 08:58:18 C 01 39 35.519 +02 31 12.90 U F51
2021-10-05 09:36:50 C 01 34 52.468 +02 44 44.45 U F52
2021-10-05 10:08:25 C 01 34 49.263 +02 44 53.24 U F52
2021-10-05 10:24:16 C 01 34 47.656 +02 44 57.47 U F52
2021-10-09 07:34:53 C 01 25 43.43 +03 10 42.3 V G96
2021-10-09 07:43:00 C 01 25 42.64 +03 10 44.3 V G96
2021-10-09 07:59:15 C 01 25 40.98 +03 10 49.2 V G96
2021-10-10 08:58:58 C 01 23 15.87 +03 17 43.5 o 291
2021-10-10 09:02:47 C 01 23 15.50 +03 17 44.9 o 291
2021-10-10 09:06:38 C 01 23 15.10 +03 17 45.5 o 291