2021 UA1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4047688000
Semi-major axis (a)1.0856126000 AU
Inclination (i)0.00599000°
Long. of Asc. Node (Ω)125.31157000°
Arg. of Perihelion (ω)163.87832000°
Mean Anomaly (M)271.74102000°
Mean Motion (n)0.8713482600°/day
Perihelion dist (q)0.64619050 AU
Aphelion dist (Q)1.52503470 AU
Orbital Period1.13112950 yr
Physical Parameters
H (abs. magnitude)31.84
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.730″
Uncertainty6
Orbit TypeApollo
MOID0.000096 AU
Observations Used20
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-26
Observations (23)
Date Type RA Dec Mag Band Observatory
2021-10-25 06:07:50 C 01 37 22.91 +04 06 45.4 U I41
2021-10-25 06:08:20 C 01 37 21.16 +04 07 40.6 U I41
2021-10-25 06:40:34 C 01 35 49.97 +04 59 26.5 U I41
2021-10-25 06:41:04 C 01 35 48.83 +05 00 01.9 U I41
2021-10-25 06:59:24 C 01 34 24.16 +05 24 31.7 V 703
2021-10-25 07:07:02 C 01 34 10.18 +05 32 52.3 V 703
2021-10-25 07:22:18 C 01 33 44.84 +05 48 03.8 V 703
2021-10-25 07:25:53 C 01 34 18.76 +05 49 57.9 U I41
2021-10-25 07:26:23 C 01 34 17.89 +05 50 23.4 U I41
2021-10-25 07:49:10 C 01 33 07.56 +06 10 42.1 V 703
2021-10-25 07:49:26 C 01 33 07.23 +06 10 53.5 V 703
2021-10-25 07:49:41 C 01 33 06.92 +06 11 05.1 V 703
2021-10-25 07:49:57 C 01 33 06.57 +06 11 16.9 V 703
2021-10-25 09:36:29 C 01 31 43.68 +07 08 44.1 V 703
2021-10-25 09:36:57 C 01 31 43.50 +07 08 54.7 V 703
2021-10-25 09:37:24 C 01 31 43.27 +07 09 05.8 V 703
2021-10-25 10:45:07 C 01 31 26.32 +07 30 53.9 V 703
2021-10-25 10:46:02 C 01 31 26.14 +07 31 08.2 V 703
2021-10-25 23:04:15 C 01 34 18.586 +08 55 23.24 V Z84
2021-10-25 23:52:52 C 01 34 02.328 +08 57 27.96 V Z84
2021-10-26 02:27:52 C 01 35 07.590 +09 03 58.92 V V37
2021-10-26 02:37:31 C 01 35 05.462 +09 04 22.88 V V37
2021-10-26 02:47:07 C 01 35 03.253 +09 04 46.54 V V37