IAA RAS IAA Minor Planet Database

2021 UY2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4214495417 ± 6.49e-05
Semi-major axis (a)1.4182782276 AU ± 1.06e-04
Inclination (i)1.47458708° ± 1.99e-04
Long. of Asc. Node (Ω)286.14131176° ± 3.11e-03
Arg. of Perihelion (ω)191.17934370° ± 1.52e-03
Mean Anomaly (M)104.23191609° ± 9.23e-02
Mean Motion (n)0.5835393163°/day ± 6.53e-05
Perihelion dist (q)0.82054552 AU ± 1.11e-04
Aphelion dist (Q)2.01601094 AU ± 1.76e-04
Orbital Period1.68904863 yr ± 1.89e-04
Physical Parameters
H (abs. magnitude)23.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.139″
Uncertainty2
Orbit TypeApollo
MOID0.020567 AU
Observations Used41
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-07
Last Observation Used2021-11-09
Observations (44)
Date Type RA Dec Mag Band Observatory
2021-10-07 05:17:38 C 00 38 44.46 +11 10 06.3 – V G96
2021-10-07 05:32:32 C 00 38 42.98 +11 10 02.4 – V G96
2021-10-07 05:39:59 C 00 38 42.18 +11 09 59.8 – V G96
2021-10-08 22:02:37 C 00 34 45.02 +10 56 21.2 – V B74
2021-10-08 23:09:30 C 00 34 37.74 +10 55 57.8 – V B74
2021-10-09 01:54:30 C 00 34 19.97 +10 54 57.7 – V B74
2021-10-13 07:37:25 C 00 23 18.742 +10 13 19.34 – V F52
2021-10-13 07:52:07 C 00 23 16.912 +10 13 12.79 – V F52
2021-10-13 08:06:45 C 00 23 15.113 +10 13 06.30 – V F52
2021-10-13 08:21:33 C 00 23 13.261 +10 12 59.37 – V F52
2021-10-28 05:22:10 C 23 34 17.490 +06 21 41.60 – U F51
2021-10-28 05:23:06 C 23 34 17.343 +06 21 40.98 – U F51
2021-10-28 05:42:02 C 23 34 14.229 +06 21 25.75 – U F51
2021-10-28 06:00:07 C 23 34 11.226 +06 21 10.82 – U F51
2021-10-28 06:01:02 C 23 34 11.053 +06 21 09.96 – U F51
2021-10-28 06:19:09 C 23 34 08.054 +06 20 55.27 – U F51
2021-10-28 06:20:05 C 23 34 07.906 +06 20 54.56 – U F51
2021-10-28 09:52:21 C 23 33 32.563 +06 17 58.77 – V F51
2021-10-28 09:53:16 C 23 33 32.402 +06 17 58.02 – V F51
2021-10-28 18:07:08 C 23 32 18.29 +06 10 48.1 – V 033
2021-10-28 18:11:17 C 23 32 17.63 +06 10 45.1 – V 033
2021-10-28 18:15:27 C 23 32 16.96 +06 10 41.5 – V 033
2021-10-28 18:36:12 C 23 32 13.50 +06 10 26.8 – V L01
2021-10-28 18:44:09 C 23 32 12.25 +06 10 20.6 – V L01
2021-10-28 18:49:40 C 23 32 11.38 +06 10 16.4 – V L01
2021-10-29 02:11:19 C 23 31 02.95 +06 04 12.5 – X 858
2021-10-29 02:18:51 C 23 31 01.77 +06 04 07.1 – V H01
2021-10-29 02:30:07 C 23 30 59.83 +06 03 57.3 – X 858
2021-10-29 02:30:17 C 23 30 59.88 +06 03 57.5 – V H01
2021-10-29 02:43:13 C 23 30 57.73 +06 03 46.9 – V H01
2021-10-29 02:49:52 C 23 30 56.62 +06 03 41.1 – V H01
2021-10-29 03:35:55 C 23 30 49.37 +06 03 02.2 – V 654
2021-10-29 04:26:34 C 23 30 40.91 +06 02 19.8 – V 654
2021-10-29 06:37:03 C 23 30 19.11 +06 00 29.1 – V 654
2021-11-01 05:08:19 C 23 19 09.105 +04 59 03.20 – U F52
2021-11-01 05:24:51 C 23 19 06.240 +04 58 48.58 – U F52
2021-11-01 05:41:19 C 23 19 03.375 +04 58 33.57 – U F52
2021-11-07 05:05:21 C 22 55 21.596 +02 41 57.51 – U F51
2021-11-07 05:24:58 C 22 55 18.007 +02 41 37.92 – U F51
2021-11-07 05:41:40 C 22 55 14.958 +02 41 21.40 – U F51
2021-11-07 05:58:29 C 22 55 11.852 +02 41 04.43 – U F51
2021-11-09 03:52:20 C 22 47 21.22 +01 54 21.2 – V V06
2021-11-09 03:55:33 C 22 47 20.62 +01 54 17.7 – V V06
2021-11-09 03:58:46 C 22 47 20.03 +01 54 14.6 – V V06