IAA RAS IAA Minor Planet Database

2021 UK

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1852372486 ± 2.79e-05
Semi-major axis (a)1.3470620186 AU ± 6.10e-05
Inclination (i)10.62894621° ± 1.26e-03
Long. of Asc. Node (Ω)216.76674493° ± 4.87e-05
Arg. of Perihelion (ω)158.26871963° ± 2.53e-04
Mean Anomaly (M)229.72296731° ± 6.45e-02
Mean Motion (n)0.6304213165°/day ± 4.28e-05
Perihelion dist (q)1.09753596 AU ± 6.23e-05
Aphelion dist (Q)1.59658808 AU ± 8.14e-05
Orbital Period1.56344060 yr ± 1.06e-04
Physical Parameters
H (abs. magnitude)24.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.297″
Uncertainty2
Orbit TypeAmor
MOID0.109095 AU
Observations Used44
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-02
Last Observation Used2021-11-11
Observations (44)
Date Type RA Dec Mag Band Observatory
2021-10-02 05:40:43 C 00 56 37.90 +50 31 42.8 – V G96
2021-10-02 05:55:41 C 00 56 40.18 +50 31 19.1 – V G96
2021-10-17 06:45:24 C 01 54 17.96 +34 26 05.1 – V G96
2021-10-17 06:53:39 C 01 54 18.89 +34 25 35.5 – V G96
2021-10-17 07:01:55 C 01 54 19.83 +34 25 05.7 – V G96
2021-10-17 07:10:10 C 01 54 20.82 +34 24 35.8 – V G96
2021-10-17 09:07:26 C 01 54 34.15 +34 17 27.5 – V G96
2021-10-17 09:10:25 C 01 54 34.50 +34 17 16.5 – V G96
2021-10-17 09:13:24 C 01 54 34.84 +34 17 05.4 – V G96
2021-10-17 09:22:17 C 01 54 40.104 +34 16 50.12 – V F51
2021-10-17 10:08:21 C 01 54 45.246 +34 14 04.40 – V F52
2021-10-17 10:27:21 C 01 54 47.346 +34 12 55.76 – V F52
2021-10-17 10:46:39 C 01 54 49.485 +34 11 45.00 – V F52
2021-10-18 06:00:14 C 01 57 24.96 +33 00 40.6 – u H21
2021-10-18 06:08:18 C 01 57 25.85 +33 00 10.7 – u H21
2021-10-18 06:13:40 C 01 57 26.45 +32 59 50.9 – u H21
2021-10-18 11:42:02 C 01 58 08.534 +32 39 52.40 – V F51
2021-10-18 12:05:33 C 01 58 11.119 +32 38 23.44 – V F51
2021-10-27 06:33:50 C 02 22 17.46 +18 51 20.3 – V G96
2021-10-27 06:41:38 C 02 22 18.04 +18 50 50.5 – V G96
2021-10-27 06:49:26 C 02 22 18.67 +18 50 19.4 – V G96
2021-10-27 06:57:15 C 02 22 19.32 +18 49 49.0 – V G96
2021-10-28 04:18:45 C 02 24 24.00 +17 25 52.6 – V I52
2021-10-28 04:30:41 C 02 24 24.88 +17 25 07.0 – V I52
2021-10-28 04:32:06 C 02 24 24.95 +17 25 01.8 – V I52
2021-10-30 11:43:26 C 02 29 13.91 +13 53 22.3 – o 691
2021-10-30 11:48:14 C 02 29 14.27 +13 53 03.9 – o 691
2021-10-30 11:53:02 C 02 29 14.65 +13 52 46.3 – o 691
2021-10-31 03:52:35 C 02 30 42.85 +12 53 13.9 – o 691
2021-10-31 04:06:19 C 02 30 43.84 +12 52 23.2 – o 691
2021-10-31 04:20:02 C 02 30 44.80 +12 51 33.2 – o 691
2021-11-04 07:40:44 C 02 38 17.68 +07 04 17.7 – o 691
2021-11-04 07:47:40 C 02 38 18.05 +07 03 54.8 – o 691
2021-11-04 07:54:36 C 02 38 18.43 +07 03 32.1 – o 691
2021-11-05 07:27:00 C 02 39 56.76 +05 47 53.6 – o 691
2021-11-05 08:04:36 C 02 39 58.69 +05 45 55.0 – o 691
2021-11-10 06:41:16 C 02 47 24.49 +00 08 55.4 – V G96
2021-11-10 06:48:43 C 02 47 24.80 +00 08 35.6 – V G96
2021-11-10 06:56:12 C 02 47 25.12 +00 08 16.7 – V G96
2021-11-10 07:03:41 C 02 47 25.42 +00 07 58.2 – V G96
2021-11-11 08:42:32 C 02 48 53.932 -00 54 50.17 – U F51
2021-11-11 09:00:48 C 02 48 54.654 -00 55 33.73 – U F51
2021-11-11 09:19:16 C 02 48 55.377 -00 56 17.88 – U F51
2021-11-11 09:37:30 C 02 48 56.085 -00 57 01.33 – U F51