IAA RAS IAA Minor Planet Database

2021 UU

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4934478000
Semi-major axis (a)1.7573162000 AU
Inclination (i)0.42682000°
Long. of Asc. Node (Ω)26.03713000°
Arg. of Perihelion (ω)315.04733000°
Mean Anomaly (M)285.57083000°
Mean Motion (n)0.4230865400°/day
Perihelion dist (q)0.89017240 AU
Aphelion dist (Q)2.62446000 AU
Orbital Period2.32956520 yr
Physical Parameters
H (abs. magnitude)26.59
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.760″
Uncertainty7
Orbit TypeApollo
MOID0.000326 AU
Observations Used87
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-11-11
Observations (95)
Date Type RA Dec Mag Band Observatory
2021-10-25 05:55:34 C 00 22 05.26 +04 56 37.7 – V 703
2021-10-25 06:03:14 C 00 22 22.35 +04 58 31.4 – V 703
2021-10-25 06:10:53 C 00 22 39.26 +05 00 23.8 – V 703
2021-10-25 06:18:32 C 00 22 56.50 +05 02 18.8 – V 703
2021-10-25 08:18:17 C 00 27 18.00 +05 30 55.9 – V 703
2021-10-25 08:18:33 C 00 27 18.55 +05 30 59.7 – V 703
2021-10-25 08:18:48 C 00 27 19.10 +05 31 02.9 – V 703
2021-10-25 09:35:26 C 00 30 02.93 +05 48 34.3 – V 703
2021-10-25 09:35:41 C 00 30 03.53 +05 48 38.4 – V 703
2021-10-25 09:35:57 C 00 30 04.04 +05 48 43.0 – V 703
2021-10-25 17:05:45 C 00 45 53.08 +07 20 23.0 – X G02
2021-10-25 17:14:35 C 00 46 09.19 +07 22 06.0 – X G02
2021-10-25 17:23:26 C 00 46 25.14 +07 23 47.1 – X G02
2021-10-25 17:31:39 C 00 46 38.50 +07 25 28.4 – V L18
2021-10-25 17:34:59 C 00 46 44.36 +07 26 05.5 – V L18
2021-10-25 17:38:19 C 00 46 50.41 +07 26 43.4 – V L18
2021-10-25 18:08:44 C 00 47 50.41 +07 32 44.4 – Z K19
2021-10-25 18:20:28 C 00 48 11.12 +07 34 56.1 – Z K19
2021-10-25 18:47:40 C 00 48 58.90 +07 39 59.1 – Z K19
2021-10-25 19:02:22 C 00 49 24.33 +07 42 42.1 – Z K19
2021-10-25 19:52:18 C 00 50 48.79 +07 50 48.1 – V Z99
2021-10-25 19:54:57 C 00 50 53.32 +07 51 17.2 – V Z99
2021-10-25 19:57:36 C 00 50 57.83 +07 51 45.8 – V Z99
2021-10-25 22:03:47 C 00 54 26.67 +08 13 54.1 – V Z80
2021-10-25 22:13:48 C 00 54 42.83 +08 15 35.7 – V Z80
2021-10-25 22:23:48 C 00 54 58.75 +08 17 16.8 – V Z80
2021-10-26 02:28:49 C 01 01 50.54 +08 57 55.0 – V I52
2021-10-26 02:29:32 C 01 01 51.60 +08 58 01.6 – V I52
2021-10-26 02:30:15 C 01 01 52.65 +08 58 08.3 – V I52
2021-10-26 02:30:58 C 01 01 53.71 +08 58 15.0 – V I52
2021-10-26 11:15:45 C 01 13 47.49 +10 11 59.2 – V T08
2021-10-26 11:20:23 C 01 13 53.25 +10 12 33.4 – V T08
2021-10-26 11:28:22 C 01 14 02.95 +10 13 31.6 – V T08
2021-10-26 12:05:48 C 01 14 48.17 +10 18 00.5 – V T08
2021-10-26 21:48:37 C 01 26 31.95 +11 19 57.7 – V 204
2021-10-26 21:59:12 C 01 26 42.60 +11 21 01.1 – V 204
2021-10-26 22:10:24 C 01 26 53.86 +11 22 07.2 – V 204
2021-10-27 05:00:00 C 01 33 52.62 +12 00 48.9 – V G96
2021-10-27 05:07:43 C 01 33 59.37 +12 01 29.0 – V G96
2021-10-27 05:15:25 C 01 34 06.12 +12 02 09.5 – V G96
2021-10-28 05:21:08 C 01 53 00.87 +13 41 08.5 – V 291
2021-10-28 05:22:23 C 01 53 01.59 +13 41 12.5 – V 291
2021-10-28 05:23:19 C 01 53 02.15 +13 41 15.9 – V 291
2021-10-28 06:32:05 C 01 53 41.84 +13 45 01.0 – V I52
2021-10-28 06:36:40 C 01 53 44.47 +13 45 15.9 – V I52
2021-10-28 06:37:03 C 01 53 44.70 +13 45 17.1 – V I52
2021-10-28 06:37:25 C 01 53 44.92 +13 45 18.0 – V I52
2021-10-28 07:25:36 C 01 54 24.440 +13 48 31.59 – U F52
2021-10-28 07:42:55 C 01 54 34.307 +13 49 28.73 – U F52
2021-10-28 08:00:21 C 01 54 44.151 +13 50 25.71 – U F52