IAA RAS IAA Minor Planet Database

2021 UL3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3726024000
Semi-major axis (a)1.4363314000 AU
Inclination (i)2.53042000°
Long. of Asc. Node (Ω)205.58965000°
Arg. of Perihelion (ω)135.31886000°
Mean Anomaly (M)155.05416000°
Mean Motion (n)0.5725614300°/day
Perihelion dist (q)0.90115090 AU
Aphelion dist (Q)1.97151190 AU
Orbital Period1.72140070 yr
Physical Parameters
H (abs. magnitude)28.61
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.630″
Uncertainty7
Orbit TypeApollo
MOID0.003684 AU
Observations Used20
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-11-09
Observations (20)
Date Type RA Dec Mag Band Observatory
2021-10-28 08:44:30 C 03 33 02.11 +00 50 35.0 – V G96
2021-10-28 08:51:56 C 03 33 01.23 +00 51 07.3 – V G96
2021-10-28 08:59:22 C 03 33 00.42 +00 51 39.2 – V G96
2021-10-28 09:06:49 C 03 32 59.57 +00 52 11.0 – V G96
2021-10-28 10:52:21 C 03 33 03.899 +01 00 42.79 – V F51
2021-10-28 11:06:48 C 03 32 47.22 +01 00 36.8 – V G96
2021-10-28 11:09:11 C 03 32 47.00 +01 00 46.4 – V G96
2021-10-28 11:11:34 C 03 32 46.82 +01 00 56.2 – V G96
2021-10-28 11:13:57 C 03 32 46.60 +01 01 06.0 – V G96
2021-10-28 11:24:49 C 03 32 59.976 +01 02 57.59 – V F51
2021-10-28 11:41:06 C 03 32 58.027 +01 04 04.07 – V F51
2021-10-29 00:05:16 C 03 32 42.62 +01 47 55.3 – V 033
2021-10-29 00:09:30 C 03 32 42.29 +01 48 09.5 – V 033
2021-10-29 00:13:45 C 03 32 41.98 +01 48 23.5 – V 033
2021-10-29 09:04:11 C 03 32 27.99 +02 17 38.4 – V V06
2021-10-29 09:11:03 C 03 32 27.34 +02 17 58.8 – V V06
2021-10-29 09:17:55 C 03 32 26.69 +02 18 19.4 – V V06
2021-10-29 09:24:47 C 03 32 26.09 +02 18 38.8 – V V06
2021-11-09 12:42:42 C 03 28 55.289 +07 02 37.44 – V T12
2021-11-09 13:34:44 C 03 28 53.638 +07 02 58.37 – V T12