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
2021-09-02 05:37:07 C 21 19 23.89 +03 33 35.8 o I41
2021-09-02 05:39:09 C 21 19 24.87 +03 33 53.1 o I41
2021-09-02 06:37:58 C 21 19 53.53 +03 42 21.6 o I41
2021-09-02 19:42:08 C 21 27 18.79 +05 38 31.1 o K88
2021-09-02 19:44:16 C 21 27 19.93 +05 38 50.7 o K88
2021-09-02 19:46:24 C 21 27 21.03 +05 39 10.4 o K88
2021-09-02 19:48:31 C 21 27 22.21 +05 39 31.0 o K88
2021-09-02 20:27:11 C 21 27 44.48 +05 45 36.3 V L01
2021-09-02 20:30:31 C 21 27 46.34 +05 46 07.6 V L01
2021-09-02 20:32:45 C 21 27 47.49 +05 46 28.2 V L01
2021-09-02 20:35:00 C 21 27 48.70 +05 46 49.2 V L01
2021-09-02 20:37:14 C 21 27 49.90 +05 47 10.4 V L01
2021-09-02 20:41:09 C 21 27 52.08 +05 47 30.5 V 033
2021-09-02 20:41:49 C 21 27 52.42 +05 47 36.4 V 033
2021-09-02 20:42:29 C 21 27 52.78 +05 47 42.4 V 033
2021-09-02 20:43:13 C 21 27 53.19 +05 47 49.3 V 033
2021-09-02 20:59:14 C 21 28 02.67 +05 50 35.0 V G15
2021-09-02 21:01:37 C 21 28 04.01 +05 50 57.4 V G15
2021-09-02 21:43:11 C 21 28 26.31 +05 57 28.3 V 104
2021-09-02 21:46:46 C 21 28 28.34 +05 58 02.0 V 104
2021-09-02 21:55:18 C 21 28 32.93 +05 59 22.6 V 104
2021-09-03 01:37:05 C 21 30 37.69 +06 33 46.0 V 033
2021-09-03 01:37:50 C 21 30 38.11 +06 33 53.0 V 033
2021-09-03 01:38:34 C 21 30 38.55 +06 34 00.0 V 033
2021-09-03 01:39:20 C 21 30 39.01 +06 34 07.3 V 033
2021-09-03 03:44:22 C 21 32 05.60 +06 54 45.1 u H21
2021-09-03 03:52:10 C 21 32 09.99 +06 56 00.5 u H21
2021-09-03 03:57:09 C 21 32 12.79 +06 56 48.7 u H21
2021-09-03 05:33:35 C 21 33 13.54 +07 12 36.0 V 654
2021-09-03 06:10:42 C 21 33 34.58 +07 18 37.3 V 654
2021-09-03 07:06:16 C 21 34 06.18 +07 27 38.9 V 654
2021-09-03 07:14:45 C 21 34 11.02 +07 29 01.4 V 654
2021-09-03 19:26:06 C 21 42 14.65 +09 30 31.1 V A17
2021-09-03 19:29:29 C 21 42 16.25 +09 31 03.2 V 033
2021-09-03 19:30:09 C 21 42 16.67 +09 31 10.0 V 033
2021-09-03 19:30:49 C 21 42 17.09 +09 31 16.9 V 033
2021-09-03 19:32:14 C 21 42 18.00 +09 31 31.9 V 033
2021-09-03 19:38:38 C 21 42 22.67 +09 32 41.0 V A17
2021-09-03 19:47:02 C 21 42 30.27 +09 34 24.2 X 958
2021-09-03 19:52:41 C 21 42 31.70 +09 35 07.1 V A17
2021-09-03 19:54:13 C 21 42 34.81 +09 35 39.6 X 958
2021-09-03 20:01:24 C 21 42 39.41 +09 36 55.3 X 958
2021-09-04 18:48:56 C 21 59 07.81 +13 43 04.1 o K88
2021-09-04 18:52:20 C 21 59 10.34 +13 43 43.2 o K88
2021-09-04 21:35:21 C 22 01 12.18 +14 14 29.9 V A17
2021-09-04 21:55:40 C 22 01 27.20 +14 18 20.7 V A17
2021-09-04 22:19:42 C 22 01 44.91 +14 22 55.0 V A17
2021-09-04 22:58:05 C 22 02 11.14 +14 30 16.0 o K88
2021-09-04 23:02:11 C 22 02 14.21 +14 31 02.8 o K88
2021-09-04 23:06:17 C 22 02 17.26 +14 31 49.5 o K88