2021 RS9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5118094745 ± 3.69e-06
Semi-major axis (a)2.1429716472 AU ± 1.70e-05
Inclination (i)3.73451723° ± 1.90e-05
Long. of Asc. Node (Ω)207.56765917° ± 5.88e-05
Arg. of Perihelion (ω)216.01319100° ± 3.77e-05
Mean Anomaly (M)94.47650682° ± 5.43e-03
Mean Motion (n)0.3141865855°/day ± 3.73e-06
Perihelion dist (q)1.04617845 AU ± 1.15e-05
Aphelion dist (Q)3.23976484 AU ± 2.68e-05
Orbital Period3.13707309 yr ± 3.73e-05
Physical Parameters
H (abs. magnitude)22.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.205″
Uncertainty1
Orbit TypeAmor
MOID0.067519 AU
Observations Used60
Oppositions1
Arc Total2021-2022
First Observation Used2021-09-09
Last Observation Used2022-01-27
Observations (62)
Date Type RA Dec Mag Band Observatory
2022-01-06 06:18:04 C 03 58 54.989 -00 29 20.66 U F52
2022-01-06 06:51:16 C 03 59 03.182 -00 28 39.00 U F52
2022-01-06 07:07:50 C 03 59 07.272 -00 28 18.23 U F52
2022-01-09 04:05:15 C 04 16 25.86 +00 56 24.7 V G96
2022-01-09 04:12:44 C 04 16 27.61 +00 56 33.5 V G96
2022-01-09 04:27:41 C 04 16 31.08 +00 56 51.6 V G96
2022-01-24 06:40:20 C 05 29 52.959 +07 07 00.64 U F52
2022-01-24 06:57:03 C 05 29 55.608 +07 07 14.51 U F52
2022-01-24 07:13:45 C 05 29 58.237 +07 07 28.29 U F52
2022-01-24 07:30:31 C 05 30 00.886 +07 07 42.22 U F52
2022-01-27 02:15:34 C 05 40 46.08 +08 00 35.6 u H21
2022-01-27 02:31:37 C 05 40 48.48 +08 00 47.3 u H21