IAA RAS IAA Minor Planet Database

2021 UL

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3134459966 ± 2.00e+00
Semi-major axis (a)1.1723002766 AU ± 3.00e+00
Inclination (i)5.77083654° ± 4.00e+00
Long. of Asc. Node (Ω)202.95729968° ± 5.00e+00
Arg. of Perihelion (ω)258.88634149° ± 6.00e+00
Mean Anomaly (M)36.57421696° ± 1.34e-02
Mean Motion (n)0.7765106100°/day ± 2.98e+00
Perihelion dist (q)0.80485610 AU ± 3.12e+00
Aphelion dist (Q)1.53973870 AU ± 4.59e+00
Orbital Period1.26927790 yr ± 4.87e+00
Physical Parameters
H (abs. magnitude)30.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.615″
Uncertainty2
Orbit TypeApollo
MOID0.000521 AU
Observations Used38
Oppositions1
Arc Total2021-2021
First Observation Used—
Last Observation Used2021-10-16
Observations (40)
Date Type RA Dec Mag Band Observatory
2021-10-14 07:01:33 C 01 26 50.980 +30 25 13.21 – V F52
2021-10-14 07:17:20 C 01 26 46.874 +30 25 23.85 – V F52
2021-10-14 07:33:07 C 01 26 42.490 +30 25 33.83 – V F52
2021-10-14 07:44:36 C 01 26 39.180 +30 25 40.46 – V F51
2021-10-14 07:48:54 C 01 26 37.920 +30 25 42.69 – V F52
2021-10-14 08:16:23 C 01 26 29.467 +30 25 54.13 – V F51
2021-10-16 04:13:02 C 00 58 07.65 +27 32 43.7 – V 703
2021-10-16 04:28:27 C 00 56 45.32 +27 26 59.4 – V 703
2021-10-16 06:06:36 C 00 45 03.70 +26 32 49.2 – V 703
2021-10-16 06:06:46 C 00 45 02.09 +26 32 41.4 – V 703
2021-10-16 06:06:57 C 00 45 00.48 +26 32 33.3 – V 703
2021-10-16 06:07:08 C 00 44 58.89 +26 32 25.5 – V 703
2021-10-16 06:37:07 C 00 40 02.38 +26 06 46.9 – V 703
2021-10-16 06:37:23 C 00 39 59.58 +26 06 32.1 – V 703
2021-10-16 06:37:38 C 00 39 56.87 +26 06 17.5 – V 703
2021-10-16 06:37:54 C 00 39 54.26 +26 06 03.3 – V 703
2021-10-16 06:57:20 C 00 31 24.36 +27 25 40.2 – u 807
2021-10-16 06:58:36 C 00 31 09.31 +27 24 29.5 – u 807
2021-10-16 06:59:52 C 00 30 54.05 +27 23 17.5 – u 807
2021-10-16 07:01:07 C 00 30 38.58 +27 22 04.2 – u 807
2021-10-16 07:19:59 C 00 31 22.51 +25 18 12.9 – V 703
2021-10-16 07:20:09 C 00 31 20.07 +25 17 58.2 – V 703
2021-10-16 07:20:20 C 00 31 17.66 +25 17 44.1 – V 703
2021-10-16 07:20:31 C 00 31 15.25 +25 17 30.1 – V 703
2021-10-16 08:38:26 C 00 08 01.33 +22 46 41.9 – V 703
2021-10-16 08:38:36 C 00 07 57.28 +22 46 13.1 – V 703
2021-10-16 08:38:47 C 00 07 53.29 +22 45 44.7 – V 703
2021-10-16 08:38:58 C 00 07 49.05 +22 45 14.8 – V 703
2021-10-16 08:39:07 C 00 07 45.58 +22 44 49.7 – V 703
2021-10-16 08:39:13 C 00 07 43.02 +22 44 31.8 – V 703
2021-10-16 08:39:20 C 00 07 40.45 +22 44 13.7 – V 703
2021-10-16 08:39:26 C 00 07 37.90 +22 43 55.5 – V 703
2021-10-16 09:45:43 C 23 33 28.40 +18 15 12.6 – V 703
2021-10-16 09:45:49 C 23 33 24.03 +18 14 35.3 – V 703
2021-10-16 09:45:56 C 23 33 19.44 +18 13 55.5 – V 703
2021-10-16 09:46:03 C 23 33 14.87 +18 13 16.2 – V 703
2021-10-16 09:46:09 C 23 33 10.25 +18 12 36.8 – V 703
2021-10-16 09:46:16 C 23 33 05.73 +18 11 58.0 – V 703
2021-10-16 09:46:23 C 23 33 01.20 +18 11 19.1 – V 703
2021-10-16 09:46:29 C 23 32 56.66 +18 10 40.2 – V 703