2021 RB1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2132027000
Semi-major axis (a)1.3030176000 AU
Inclination (i)28.39830000°
Long. of Asc. Node (Ω)344.12830000°
Arg. of Perihelion (ω)5.34366000°
Mean Anomaly (M)294.72096000°
Mean Motion (n)0.6626415500°/day
Perihelion dist (q)1.02521070 AU
Aphelion dist (Q)1.58082450 AU
Orbital Period1.48739190 yr
Physical Parameters
H (abs. magnitude)24.07
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.680″
Uncertainty7
Orbit TypeAmor
MOID0.016325 AU
Observations Used138
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-10
Observations (152)
Date Type RA Dec Mag Band Observatory
2021-09-06 21:53:18 C 00 11 41.13 +17 33 21.6 V Z43
2021-09-06 21:54:26 C 00 11 37.40 +17 34 08.1 V Z80
2021-09-06 21:55:41 C 00 11 36.28 +17 35 32.4 V Z43
2021-09-06 22:01:06 C 00 11 23.88 +17 40 13.1 V Z80
2021-09-06 22:07:46 C 00 11 10.31 +17 46 17.0 V Z80
2021-09-06 22:49:20 C 00 09 35.62 +18 24 43.5 V 089
2021-09-06 22:52:34 C 00 09 28.98 +18 27 37.1 V 089
2021-09-06 22:55:48 C 00 09 22.24 +18 30 31.8 V 089
2021-09-06 22:59:02 C 00 09 15.51 +18 33 26.1 V 089
2021-09-06 23:02:16 C 00 09 08.85 +18 36 20.3 V 089
2021-09-06 23:05:30 C 00 09 02.17 +18 39 14.5 V 089
2021-09-06 23:08:44 C 00 08 55.44 +18 42 08.8 V 089
2021-09-06 23:11:58 C 00 08 48.75 +18 45 02.5 V 089
2021-09-06 23:15:12 C 00 08 42.04 +18 47 56.6 V 089
2021-09-06 23:18:26 C 00 08 35.34 +18 50 50.4 V 089
2021-09-07 01:22:36 C 00 04 29.68 +20 40 22.7 V J95
2021-09-07 01:25:00 C 00 04 24.69 +20 42 29.1 V J95
2021-09-07 01:29:42 C 00 04 14.95 +20 46 35.5 V J95
2021-09-07 01:32:05 C 00 04 10.03 +20 48 40.2 V J95
2021-09-07 08:39:33 C 23 49 57.10 +26 47 58.1 U I41
2021-09-07 08:40:03 C 23 49 55.97 +26 48 22.0 U I41
2021-09-07 09:31:26 C 23 48 06.82 +27 28 49.5 U I41
2021-09-07 09:31:57 C 23 48 05.75 +27 29 13.5 U I41
2021-09-07 09:32:06 C 23 48 05.38 +27 29 21.8 U I41
2021-09-07 09:32:36 C 23 48 04.24 +27 29 45.7 U I41
2021-09-07 10:26:29 C 23 46 10.45 +28 11 22.3 U I41
2021-09-07 10:26:58 C 23 46 09.42 +28 11 45.1 U I41
2021-09-07 20:38:05 C 23 26 09.58 +35 20 25.6 V Z80
2021-09-07 20:44:45 C 23 25 55.87 +35 24 45.0 V Z80
2021-09-07 20:51:25 C 23 25 42.16 +35 29 02.6 V Z80
2021-09-07 21:41:13 C 23 23 50.34 +36 01 25.0 V L99
2021-09-07 21:43:43 C 23 23 45.00 +36 02 59.8 V L99
2021-09-07 21:46:13 C 23 23 39.81 +36 04 32.5 V L99
2021-09-07 22:56:55 C 23 21 19.67 +36 48 18.0 V A17
2021-09-07 23:04:11 C 23 21 04.58 +36 52 43.2 V A17
2021-09-07 23:11:36 C 23 20 49.10 +36 57 14.3 V A17
2021-09-08 01:12:51 C 23 16 36.06 +38 08 51.5 V 033
2021-09-08 01:13:16 C 23 16 35.22 +38 09 05.7 V 033
2021-09-08 01:13:41 C 23 16 34.37 +38 09 19.8 V 033
2021-09-08 19:08:02 C 22 42 10.14 +46 42 41.5 V 033
2021-09-08 19:08:27 C 22 42 09.38 +46 42 51.4 V 033
2021-09-08 19:08:51 C 22 42 08.56 +46 43 00.8 V 033
2021-09-08 19:09:21 C 22 42 07.61 +46 43 12.5 V 033
2021-09-08 21:52:18 C 22 36 46.54 +47 45 11.9 V L18
2021-09-08 21:54:48 C 22 36 41.60 +47 46 06.3 V L18
2021-09-08 21:57:18 C 22 36 36.74 +47 46 59.9 V L18
2021-09-09 18:53:02 C 22 00 05.51 +53 42 25.0 V 033
2021-09-09 18:53:26 C 22 00 04.80 +53 42 30.7 V 033
2021-09-09 18:53:51 C 22 00 04.10 +53 42 36.2 V 033
2021-09-10 00:47:12 C 21 50 39.06 +54 55 24.1 X W34