2023 RM21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4296588200 ± 5.27e-04
Semi-major axis (a)2.1849151537 AU ± 1.94e-03
Inclination (i)6.28730821° ± 7.86e-03
Long. of Asc. Node (Ω)140.55417424° ± 1.68e-02
Arg. of Perihelion (ω)131.31593754° ± 4.67e-02
Mean Anomaly (M)280.33617989° ± 3.58e-01
Mean Motion (n)0.3051830514°/day ± 4.07e-04
Perihelion dist (q)1.24614709 AU ± 1.60e-03
Aphelion dist (Q)3.12368322 AU ± 3.00e-03
Orbital Period3.22962327 yr ± 4.30e-03
Physical Parameters
H (abs. magnitude)21.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.157″
Uncertainty3
Orbit TypeAmor
MOID0.244926 AU
Observations Used12
Oppositions1
Arc Total2023-2023
First Observation Used2023-09-09
Last Observation Used2023-09-18
Observations (12)
Date Type RA Dec Mag Band Observatory
2023-09-09 10:21:31 C 00 14 18.225 -07 10 41.38 V F51
2023-09-09 10:43:42 C 00 14 17.138 -07 10 53.73 V F51
2023-09-09 11:07:32 C 00 14 16.044 -07 11 06.59 V F51
2023-09-15 11:47:00 C 00 07 48.402 -08 25 31.88 X F51
2023-09-15 12:03:15 C 00 07 47.599 -08 25 39.65 X F51
2023-09-15 12:19:32 C 00 07 46.825 -08 25 47.47 X F51
2023-09-15 12:35:51 C 00 07 46.040 -08 25 55.60 X F51
2023-09-15 14:07:24 C 00 07 41.671 -08 26 39.07 V F51
2023-09-15 14:08:20 C 00 07 41.632 -08 26 39.80 V F51
2023-09-18 12:36:55 C 00 04 32.448 -08 59 27.88 V T14
2023-09-18 12:38:21 C 00 04 32.383 -08 59 28.51 V T14
2023-09-18 12:39:45 C 00 04 32.318 -08 59 29.10 V T14