2021 UQ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3209598015 ± 2.00e-03
Semi-major axis (a)0.9796240937 AU ± 4.49e-04
Inclination (i)14.22046890° ± 9.02e-02
Long. of Asc. Node (Ω)212.63488794° ± 1.48e-03
Arg. of Perihelion (ω)31.93145069° ± 1.88e-01
Mean Anomaly (M)195.19755907° ± 1.53e+00
Mean Motion (n)1.0165367622°/day ± 6.99e-04
Perihelion dist (q)0.66520414 AU ± 1.98e-03
Aphelion dist (Q)1.29404405 AU ± 2.04e-03
Orbital Period0.96959236 yr ± 6.67e-04
Physical Parameters
H (abs. magnitude)24.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.137″
Uncertainty4
Orbit TypeAten
MOID0.124285 AU
Observations Used13
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-28
Last Observation Used2021-10-30
Observations (13)
Date Type RA Dec Mag Band Observatory
2021-10-28 07:11:46 C 01 52 31.509 +09 47 47.17 U F52
2021-10-28 07:29:14 C 01 52 29.256 +09 46 57.17 U F52
2021-10-28 07:46:33 C 01 52 26.970 +09 46 08.04 U F52
2021-10-28 08:03:59 C 01 52 24.668 +09 45 18.00 U F52
2021-10-28 09:59:20 C 01 52 09.457 +09 39 48.68 V F51
2021-10-28 10:00:16 C 01 52 09.321 +09 39 45.80 V F51
2021-10-28 10:07:30 C 01 52 08.375 +09 39 25.30 V F51
2021-10-28 10:08:26 C 01 52 08.231 +09 39 22.46 V F51
2021-10-30 08:17:57 C 01 46 48.608 +07 32 08.14 V F52
2021-10-30 08:41:33 C 01 46 45.749 +07 31 06.49 V 568
2021-10-30 08:42:58 C 01 46 45.578 +07 31 02.75 V 568
2021-10-30 08:44:22 C 01 46 45.407 +07 30 58.99 V 568
2021-10-30 09:07:28 C 01 46 42.640 +07 29 57.16 V F52