2021 RJ12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2673047274 ± 3.06e-05
Semi-major axis (a)1.7234478379 AU ± 1.02e-04
Inclination (i)10.08831580° ± 8.21e-04
Long. of Asc. Node (Ω)195.21191515° ± 1.02e-03
Arg. of Perihelion (ω)119.91223614° ± 2.61e-03
Mean Anomaly (M)323.41549646° ± 6.16e-02
Mean Motion (n)0.4356272724°/day ± 3.88e-05
Perihelion dist (q)1.26276208 AU ± 9.16e-05
Aphelion dist (Q)2.18413359 AU ± 1.40e-04
Orbital Period2.26254495 yr ± 2.01e-04
Physical Parameters
H (abs. magnitude)22.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.157″
Uncertainty2
Orbit TypeAmor
MOID0.294808 AU
Observations Used21
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-10
Last Observation Used2021-10-07
Observations (23)
Date Type RA Dec Mag Band Observatory
2021-09-10 06:01:02 C 21 32 44.245 +09 11 50.73 U F52
2021-09-10 06:16:44 C 21 32 44.920 +09 11 29.08 U F52
2021-09-10 06:48:06 C 21 32 46.298 +09 10 45.74 U F52
2021-09-10 10:17:22 C 21 32 55.217 +09 05 55.27 V F51
2021-09-10 10:18:18 C 21 32 55.262 +09 05 53.80 V F51
2021-09-11 03:21:16 C 21 33 47.95 +08 42 06.4 u H21
2021-09-11 03:28:49 C 21 33 48.28 +08 41 55.6 u H21
2021-09-11 03:37:08 C 21 33 48.65 +08 41 44.0 u H21
2021-09-12 23:27:31 C 21 36 04.78 +07 41 11.0 V 033
2021-09-12 23:32:40 C 21 36 05.05 +07 41 03.9 V 033
2021-09-12 23:37:51 C 21 36 05.31 +07 40 56.9 V 033
2021-09-13 03:05:42 C 21 36 17.32 +07 36 16.3 u H21
2021-09-13 03:14:28 C 21 36 17.75 +07 36 04.2 u H21
2021-09-13 03:23:13 C 21 36 18.15 +07 35 52.1 u H21
2021-09-17 01:47:10 C 21 41 32.56 +05 29 08.7 V 807
2021-09-17 01:55:34 C 21 41 32.98 +05 28 57.5 V 807
2021-09-17 02:03:36 C 21 41 33.39 +05 28 47.2 V 807
2021-09-28 02:06:59 C 21 58 07.93 +00 10 48.0 V 807
2021-09-28 02:12:50 C 21 58 08.30 +00 10 41.6 V 807
2021-09-28 02:18:56 C 21 58 08.68 +00 10 35.2 V 807
2021-10-07 04:45:06 C 22 13 33.68 -03 13 59.7 o 291
2021-10-07 05:05:25 C 22 13 35.08 -03 14 15.9 o 291
2021-10-07 05:25:43 C 22 13 36.48 -03 14 31.9 o 291