IAA RAS IAA Minor Planet Database

2021 UN5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1250377000
Semi-major axis (a)1.3482647000 AU
Inclination (i)23.06596000°
Long. of Asc. Node (Ω)211.94743000°
Arg. of Perihelion (ω)214.74155000°
Mean Anomaly (M)189.71903000°
Mean Motion (n)0.6295660900°/day
Perihelion dist (q)1.17968080 AU
Aphelion dist (Q)1.51684860 AU
Orbital Period1.56553490 yr
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.480″
Uncertainty6
Orbit TypeAmor
MOID0.205780 AU
Observations Used17
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-10-31
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-10-28 06:08:34 C 02 09 32.49 +06 46 58.2 – V G96
2021-10-28 06:16:03 C 02 09 32.48 +06 46 23.0 – V G96
2021-10-28 06:23:30 C 02 09 32.43 +06 45 46.7 – V G96
2021-10-28 06:30:59 C 02 09 32.48 +06 45 12.5 – V G96
2021-10-30 09:18:47 C 02 09 57.480 +02 47 27.13 – U F51
2021-10-30 09:48:39 C 02 09 57.398 +02 45 08.50 – U F51
2021-10-30 10:06:56 C 02 09 57.332 +02 43 43.05 – U F51
2021-10-30 12:36:19 C 02 09 56.961 +02 32 09.06 – V F51
2021-10-30 12:37:15 C 02 09 56.953 +02 32 04.87 – V F51
2021-10-30 13:10:43 C 02 09 56.950 +02 29 29.33 – V F51
2021-10-31 03:36:47 C 02 10 06.42 +01 23 21.8 – V 807
2021-10-31 03:39:46 C 02 10 06.43 +01 23 08.0 – V 807
2021-10-31 03:42:45 C 02 10 06.42 +01 22 54.4 – V 807
2021-10-31 08:10:04 C 02 10 07.53 +01 01 43.5 – V I52
2021-10-31 08:11:53 C 02 10 07.49 +01 01 33.0 – V I52
2021-10-31 08:13:41 C 02 10 07.53 +01 01 24.0 – V I52
2021-10-31 08:15:31 C 02 10 07.51 +01 01 15.6 – V I52