2021 UA3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6394489717
Semi-major axis (a)2.4662101197 AU
Inclination (i)11.86376183°
Long. of Asc. Node (Ω)214.31299832°
Arg. of Perihelion (ω)228.69610817° ± 6.00e+00
Mean Anomaly (M)8.55473028°
Mean Motion (n)0.2545358600°/day
Perihelion dist (q)0.88922950 AU
Aphelion dist (Q)4.04250930 AU
Orbital Period3.87217620 yr
Physical Parameters
H (abs. magnitude)27.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.809″
Uncertainty
Orbit TypeApollo
MOID0.016439 AU
Observations Used36
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-10-29
Observations (37)
Date Type RA Dec Mag Band Observatory
2021-10-27 04:59:20 C 01 31 43.01 +15 00 45.5 V G96
2021-10-27 05:07:03 C 01 31 47.92 +14 59 30.8 V G96
2021-10-28 06:03:48 C 01 52 50.58 +09 55 36.3 V G96
2021-10-28 06:11:17 C 01 52 57.60 +09 53 44.8 V G96
2021-10-28 06:18:45 C 01 53 04.76 +09 51 52.1 V G96
2021-10-28 06:26:13 C 01 53 11.76 +09 50 00.7 V G96
2021-10-28 06:55:44 C 01 53 39.92 +09 42 33.1 V I52
2021-10-28 06:58:56 C 01 53 43.00 +09 41 43.9 V I52
2021-10-28 07:11:14 C 01 54 07.451 +09 39 19.87 V F52
2021-10-28 08:41:57 C 01 55 23.15 +09 15 07.2 V I52
2021-10-28 08:45:30 C 01 55 26.73 +09 14 11.3 V I52
2021-10-28 08:47:16 C 01 55 28.45 +09 13 43.2 V I52
2021-10-28 09:59:20 C 01 56 52.464 +08 55 37.26 V F51
2021-10-28 10:00:16 C 01 56 53.380 +08 55 22.51 V F51
2021-10-28 18:56:47 C 02 07 24.26 +06 17 13.7 V 246
2021-10-28 18:57:09 C 02 07 24.68 +06 17 07.1 V 246
2021-10-28 19:02:23 C 02 07 30.81 +06 15 30.2 V 246
2021-10-28 19:03:31 C 02 07 32.62 +06 15 07.4 V 246
2021-10-28 19:04:16 C 02 07 33.26 +06 14 52.2 V 246
2021-10-28 19:05:43 C 02 07 34.99 +06 14 26.1 V 246
2021-10-28 19:06:45 C 02 07 36.25 +06 14 07.1 V 246
2021-10-28 19:07:05 C 02 07 36.74 +06 14 02.0 V 246
2021-10-28 19:07:26 C 02 07 37.08 +06 13 56.1 V 246
2021-10-28 20:51:10 C 02 09 44.88 +05 41 01.4 V 104
2021-10-28 20:58:16 C 02 09 53.62 +05 38 42.6 V 104
2021-10-28 21:11:34 C 02 10 09.95 +05 34 22.1 V 104
2021-10-28 23:11:59 C 02 12 40.49 +04 54 04.6 V 204
2021-10-28 23:18:29 C 02 12 47.40 +04 51 54.3 V L01
2021-10-28 23:20:12 C 02 12 49.57 +04 51 18.8 V L01
2021-10-28 23:21:55 C 02 12 51.76 +04 50 43.6 V L01
2021-10-28 23:23:38 C 02 12 53.98 +04 50 09.0 V L01
2021-10-28 23:25:21 C 02 12 56.13 +04 49 33.5 V L01
2021-10-28 23:33:29 C 02 13 07.82 +04 46 43.9 V 204
2021-10-29 08:56:25 C 02 26 37.42 +01 17 47.0 V I52
2021-10-29 08:56:46 C 02 26 37.92 +01 17 38.6 V I52
2021-10-29 08:57:07 C 02 26 38.51 +01 17 29.8 V I52
2021-10-29 08:57:29 C 02 26 39.01 +01 17 21.1 V I52