2021 RB

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5576853000
Semi-major axis (a)2.3195209000 AU
Inclination (i)2.06756000°
Long. of Asc. Node (Ω)318.86116000°
Arg. of Perihelion (ω)40.05373000°
Mean Anomaly (M)65.15115000°
Mean Motion (n)0.2790015600°/day
Perihelion dist (q)1.02595820 AU
Aphelion dist (Q)3.61308360 AU
Orbital Period3.53262420 yr
Physical Parameters
H (abs. magnitude)26.07
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.850″
Uncertainty7
Orbit TypeAmor
MOID0.029116 AU
Observations Used64
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-11
Observations (64)
Date Type RA Dec Mag Band Observatory
2021-09-05 19:10:36 C 22 19 19.46 +18 26 31.6 o K88
2021-09-05 19:35:25 C 22 19 40.54 +18 31 31.2 o K88
2021-09-05 19:40:42 C 22 19 44.99 +18 32 35.7 o K88
2021-09-06 21:29:10 C 22 44 16.11 +23 45 15.1 o K88
2021-09-06 21:33:27 C 22 44 20.22 +23 46 07.3 o K88
2021-09-06 21:37:46 C 22 44 24.38 +23 47 00.5 o K88
2021-09-08 21:52:57 C 23 38 54.13 +33 03 39.7 V K88
2021-09-08 21:56:40 C 23 38 58.43 +33 04 19.3 V K88
2021-09-08 22:00:23 C 23 39 02.78 +33 04 58.6 V K88
2021-09-08 22:05:18 C 23 39 08.52 +33 05 50.3 V K88
2021-09-10 21:02:04 C 00 39 21.21 +39 58 26.5 V K88
2021-09-10 21:13:06 C 00 39 35.13 +39 59 47.2 V K88
2021-09-11 02:06:37 C 00 45 39.91 +40 32 57.2 V K88
2021-09-11 02:12:09 C 00 45 46.75 +40 33 31.7 V K88