2021 UB

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2095385000
Semi-major axis (a)1.0864662000 AU
Inclination (i)19.29199000°
Long. of Asc. Node (Ω)205.77665000°
Arg. of Perihelion (ω)73.88253000°
Mean Anomaly (M)301.27876000°
Mean Motion (n)0.8703215600°/day
Perihelion dist (q)0.85880970 AU
Aphelion dist (Q)1.31412270 AU
Orbital Period1.13246380 yr
Physical Parameters
H (abs. magnitude)24.78
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.660″
Uncertainty8
Orbit TypeApollo
MOID0.018743 AU
Observations Used31
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-27
Observations (31)
Date Type RA Dec Mag Band Observatory
2021-10-16 08:24:26 C 00 55 26.51 +19 34 36.3 V G96
2021-10-16 08:38:58 C 00 55 27.17 +19 32 18.8 V G96
2021-10-16 08:47:12 C 00 55 27.54 +19 31 01.6 V G96
2021-10-16 08:55:26 C 00 55 27.93 +19 29 42.8 V G96
2021-10-16 10:20:12 C 00 55 32.07 +19 16 19.6 V G96
2021-10-16 10:22:46 C 00 55 32.19 +19 15 55.3 V G96
2021-10-16 21:26:50 C 00 56 20.65 +17 33 12.8 X 595
2021-10-16 21:41:44 C 00 56 21.22 +17 30 57.2 X 595
2021-10-16 21:57:02 C 00 56 21.94 +17 28 37.9 X 595
2021-10-16 22:14:56 C 00 56 22.73 +17 25 55.9 V L01
2021-10-16 22:18:27 C 00 56 22.85 +17 25 24.0 V L01
2021-10-16 22:21:57 C 00 56 22.97 +17 24 51.5 V L01
2021-10-16 23:51:13 C 00 56 27.08 +17 11 18.7 V 104
2021-10-16 23:59:21 C 00 56 27.45 +17 10 04.9 V 104
2021-10-17 02:34:42 C 00 56 35.03 +16 46 29.3 V 204
2021-10-17 02:51:56 C 00 56 35.95 +16 43 52.5 V 204
2021-10-17 02:55:38 C 00 56 42.73 +16 43 35.5 u H21
2021-10-17 02:57:05 C 00 56 44.14 +16 43 24.0 X 858
2021-10-17 03:03:43 C 00 56 43.08 +16 42 22.9 u H21
2021-10-17 03:11:48 C 00 56 43.41 +16 41 10.7 u H21
2021-10-17 03:13:26 C 00 56 44.90 +16 40 57.7 X 858
2021-10-17 03:29:49 C 00 56 45.65 +16 38 31.4 X 858
2021-10-17 06:31:27 C 00 56 54.12 +16 11 29.5 V 654
2021-10-17 07:01:53 C 00 56 55.30 +16 06 58.3 V 654
2021-10-17 07:30:15 C 00 56 56.39 +16 02 45.2 V 654
2021-10-18 05:08:29 C 00 58 15.09 +12 55 39.8 V G96
2021-10-18 05:11:55 C 00 58 15.21 +12 55 11.3 V G96
2021-10-18 05:15:20 C 00 58 15.35 +12 54 42.7 V G96
2021-10-27 06:13:10 C 01 07 35.76 -08 36 54.5 o 691
2021-10-27 06:35:55 C 01 07 36.21 -08 38 23.3 o 691
2021-10-27 07:00:33 C 01 07 36.72 -08 39 59.4 o 691