2021 UG8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3405801473 ± 5.24e-08
Semi-major axis (a)1.6863372137 AU ± 4.27e-09
Inclination (i)5.57384550° ± 3.49e-06
Long. of Asc. Node (Ω)331.17006562° ± 2.72e-05
Arg. of Perihelion (ω)104.53462617° ± 3.62e-05
Mean Anomaly (M)294.47790293° ± 6.34e-06
Mean Motion (n)0.4500861407°/day ± 1.71e-09
Perihelion dist (q)1.11200424 AU ± 8.85e-08
Aphelion dist (Q)2.26067019 AU ± 8.86e-08
Orbital Period2.18986144 yr ± 8.32e-09
Physical Parameters
H (abs. magnitude)22.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.227″
Uncertainty0
Orbit TypeAmor
MOID0.159777 AU
Observations Used104
Oppositions7
Arc Total2010-2023
First Observation Used2010-10-08
Last Observation Used2023-08-11
Observations (106)
Date Type RA Dec Mag Band Observatory
2022-02-27 04:33:20 C 09 14 33.52 +15 45 34.3 u H21
2022-02-27 04:51:41 C 09 14 33.10 +15 45 26.1 u H21
2022-03-01 05:49:12 C 09 13 45.76 +15 23 45.3 o 691
2022-03-01 06:13:22 C 09 13 45.28 +15 23 34.5 o 691
2023-08-09 10:40:45 C 21 20 30.055 -18 59 17.70 V T12
2023-08-11 11:16:42 C 21 17 06.015 -19 05 15.45 V T12