2021 RA1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5297140027 ± 3.58e-04
Semi-major axis (a)2.1550920444 AU ± 1.70e-03
Inclination (i)10.01280343° ± 4.62e-03
Long. of Asc. Node (Ω)341.23335537° ± 9.13e-04
Arg. of Perihelion (ω)337.12627754° ± 1.29e-03
Mean Anomaly (M)126.06681816° ± 5.73e-01
Mean Motion (n)0.3115398028°/day ± 3.69e-04
Perihelion dist (q)1.01350961 AU ± 1.11e-03
Aphelion dist (Q)3.29667448 AU ± 2.72e-03
Orbital Period3.16372507 yr ± 3.75e-03
Physical Parameters
H (abs. magnitude)25.48
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.403″
Uncertainty3
Orbit TypeApollo
MOID0.024556 AU
Observations Used66
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-01
Last Observation Used2021-09-16
Observations (67)
Date Type RA Dec Mag Band Observatory
2021-09-06 21:57:36 C 00 24 35.07 +19 00 27.3 o K88
2021-09-07 08:05:21 C 00 24 39.94 +20 10 13.6 V G96
2021-09-07 08:15:07 C 00 24 39.61 +20 11 18.1 V G96
2021-09-07 08:23:15 C 00 24 39.37 +20 12 11.2 V G96
2021-09-07 08:31:23 C 00 24 39.14 +20 13 04.6 V G96
2021-09-08 03:26:36 C 00 24 44.84 +22 06 55.8 V 033
2021-09-08 03:28:10 C 00 24 44.80 +22 07 04.9 V 033
2021-09-08 03:29:45 C 00 24 44.82 +22 07 13.9 V 033
2021-09-09 13:04:52 C 00 24 58.119 +24 56 17.18 U F52
2021-09-09 13:20:43 C 00 24 57.605 +24 57 25.76 U F52
2021-09-09 13:36:34 C 00 24 57.112 +24 58 33.80 U F52
2021-09-09 13:52:29 C 00 24 56.642 +24 59 41.75 U F52
2021-09-09 21:10:10 C 00 25 07.37 +25 29 56.3 o K88
2021-09-09 21:23:07 C 00 25 07.08 +25 30 51.3 o K88
2021-09-16 06:14:09 C 00 24 43.01 +32 17 29.0 u H21
2021-09-16 06:28:15 C 00 24 42.63 +32 17 52.4 u H21
2021-09-16 06:40:20 C 00 24 42.25 +32 18 11.9 u H21