2021 UQ1

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6986633725 ± 5.36e-06
Semi-major axis (a)2.8403976660 AU ± 4.73e-05
Inclination (i)8.44481301° ± 6.45e-05
Long. of Asc. Node (Ω)349.69702770° ± 1.56e-04
Arg. of Perihelion (ω)138.35268339° ± 1.30e-04
Mean Anomaly (M)287.35881872° ± 7.17e-03
Mean Motion (n)0.2058939358°/day ± 5.14e-06
Perihelion dist (q)0.85591585 AU ± 2.08e-05
Aphelion dist (Q)4.82487948 AU ± 8.17e-05
Orbital Period4.78705834 yr ± 1.19e-04
Physical Parameters
H (abs. magnitude)21.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.157″
Uncertainty1
Orbit TypeApollo
MOID0.016441 AU
Observations Used58
Oppositions1
Arc Total2021-2022
First Observation Used2021-10-04
Last Observation Used2022-04-06
Observations (73)
Date Type RA Dec Mag Band Observatory
2021-12-16 02:59:33 C 23 00 39.16 +33 55 51.6 V 695
2021-12-16 03:06:02 C 23 00 37.96 +33 55 51.0 V 695
2021-12-16 03:12:31 C 23 00 36.78 +33 55 50.7 V 695
2021-12-17 01:43:36 C 22 56 38.25 +33 55 00.9 V 695
2021-12-17 01:49:38 C 22 56 37.12 +33 55 00.5 V 695
2021-12-17 01:55:41 C 22 56 35.97 +33 55 00.1 V 695
2021-12-19 02:13:20 C 22 47 46.11 +33 52 01.7 V 695
2021-12-19 02:22:53 C 22 47 44.22 +33 52 00.1 V 695
2021-12-19 02:32:26 C 22 47 42.36 +33 51 59.2 V 695
2021-12-23 01:39:58 C 22 28 56.43 +33 39 44.2 V 291
2021-12-23 01:44:27 C 22 28 55.45 +33 39 43.0 V 291
2021-12-23 01:48:56 C 22 28 54.48 +33 39 41.8 V 291
2022-01-06 01:53:44 C 20 58 41.19 +29 41 46.6 V 291
2022-01-06 02:10:44 C 20 58 35.40 +29 41 17.4 V 291
2022-03-05 18:29:30 S 16 51 15.850 -28 56 36.60 L C51
2022-03-06 02:19:50 S 16 50 58.214 -29 04 36.01 L C51
2022-03-06 03:53:43 S 16 50 54.636 -29 06 11.38 L C51
2022-03-06 05:27:58 S 16 50 51.077 -29 07 46.99 L C51
2022-03-06 08:35:55 S 16 50 43.961 -29 10 56.06 L C51
2022-03-06 14:52:11 S 16 50 29.594 -29 17 13.49 L C51
2022-04-06 05:37:32 C 15 59 34.59 -37 02 23.1 V 807
2022-04-06 05:42:50 C 15 59 34.03 -37 02 24.1 V 807
2022-04-06 05:48:12 C 15 59 33.42 -37 02 25.3 V 807