2021 RR

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2644162258 ± 1.12e-05
Semi-major axis (a)1.4479831857 AU ± 2.50e-05
Inclination (i)2.12177877° ± 7.75e-05
Long. of Asc. Node (Ω)213.63035719° ± 6.87e-05
Arg. of Perihelion (ω)123.38289714° ± 1.70e-04
Mean Anomaly (M)153.80861342° ± 2.24e-02
Mean Motion (n)0.5656750163°/day ± 1.46e-05
Perihelion dist (q)1.06511294 AU ± 2.45e-05
Aphelion dist (Q)1.83085343 AU ± 3.55e-05
Orbital Period1.74238963 yr ± 4.50e-05
Physical Parameters
H (abs. magnitude)24.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.199″
Uncertainty2
Orbit TypeAmor
MOID0.062513 AU
Observations Used55
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-04
Last Observation Used2021-11-05
Observations (58)
Date Type RA Dec Mag Band Observatory
2021-10-25 03:00:49 C 01 38 10.85 +10 57 15.5 o 691
2021-10-25 03:16:15 C 01 38 11.04 +10 57 08.2 o 691
2021-10-25 03:31:40 C 01 38 11.25 +10 57 01.3 o 691
2021-10-30 08:54:07 C 01 40 27.46 +10 02 32.9 o 691
2021-10-30 09:29:47 C 01 40 27.81 +10 02 20.2 o 691
2021-10-30 10:05:27 C 01 40 28.23 +10 02 05.7 o 691
2021-11-05 09:17:33 C 01 43 14.51 +09 17 26.1 o 291
2021-11-05 09:44:30 C 01 43 14.93 +09 17 18.9 o 291