2021 UP

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4013682786 ± 5.21e-08
Semi-major axis (a)1.5632757074 AU ± 6.39e-08
Inclination (i)8.60109880° ± 7.70e-06
Long. of Asc. Node (Ω)24.31137635° ± 1.36e-05
Arg. of Perihelion (ω)320.92077903° ± 2.52e-05
Mean Anomaly (M)49.94169033° ± 5.67e-05
Mean Motion (n)0.5042650948°/day ± 3.09e-08
Perihelion dist (q)0.93582643 AU ± 9.00e-08
Aphelion dist (Q)2.19072499 AU ± 1.21e-07
Orbital Period1.95457963 yr ± 1.20e-07
Physical Parameters
H (abs. magnitude)25.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.247″
Uncertainty0
Orbit TypeApollo
MOID0.001105 AU
Observations Used53
Oppositions1
Arc Total2021-2023
First Observation Used2021-10-19
Last Observation Used2023-12-10
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-11-11 12:03:18 C 02 44 40.530 +47 07 10.15 V T12
2021-11-11 12:08:51 C 02 44 40.316 +47 07 07.58 V T12
2021-11-26 07:06:05 C 02 43 16.029 +44 33 39.24 V G37
2023-10-13 08:33:57 C 07 25 10.470 +28 18 33.84 V 309
2023-10-13 08:41:38 C 07 25 10.739 +28 18 42.91 V 309
2023-12-10 14:11:05 C 06 17 49.930 +47 19 17.33 V T12