2021 UE1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8739039072 ± 1.07e-07
Semi-major axis (a)2.4165970489 AU ± 3.16e-07
Inclination (i)14.07463299° ± 1.95e-05
Long. of Asc. Node (Ω)256.59813684° ± 6.49e-05
Arg. of Perihelion (ω)2.15911544° ± 7.86e-05
Mean Anomaly (M)48.03937520° ± 7.46e-05
Mean Motion (n)0.2623650097°/day ± 5.15e-08
Perihelion dist (q)0.30472345 AU ± 2.62e-07
Aphelion dist (Q)4.52847065 AU ± 6.47e-07
Orbital Period3.75669867 yr ± 7.38e-07
Physical Parameters
H (abs. magnitude)20.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.312″
Uncertainty0
Orbit TypeApollo
MOID0.208308 AU
Observations Used67
Oppositions3
Arc Total2021-2025
First Observation Used2021-10-16
Last Observation Used2025-02-16
Observations (68)
Date Type RA Dec Mag Band Observatory
2021-11-05 05:06:42 C 00 58 26.29 +31 23 08.2 V G96
2021-11-05 05:14:20 C 00 58 25.86 +31 22 54.7 V G96
2021-11-09 04:18:08 C 00 54 17.49 +28 44 31.6 V V06
2021-11-09 04:19:46 C 00 54 17.43 +28 44 29.2 V V06
2021-11-09 04:21:25 C 00 54 17.36 +28 44 26.4 V V06
2021-11-11 04:48:48 C 00 52 46.00 +27 33 31.9 V V06
2021-11-11 04:50:43 C 00 52 45.94 +27 33 29.2 V V06
2021-11-11 04:52:39 C 00 52 45.89 +27 33 26.6 V V06
2021-11-11 04:54:35 C 00 52 45.85 +27 33 23.8 V V06
2024-12-30 09:54:43 C 07 39 36.523 +08 31 52.52 V F51
2024-12-30 10:08:03 C 07 39 35.514 +08 31 50.64 V F51
2024-12-30 10:21:22 C 07 39 34.482 +08 31 49.07 V F51
2025-01-05 08:39:28 C 07 28 17.003 +08 15 29.63 V F51
2025-01-05 08:55:37 C 07 28 15.610 +08 15 28.15 V F51
2025-01-05 09:11:46 C 07 28 14.217 +08 15 26.37 V F51
2025-02-16 20:32:31 C 05 50 33.738 +08 09 28.90 V Z84
2025-02-16 21:50:06 C 05 50 27.609 +08 09 35.58 V Z84
2025-02-16 23:40:49 C 05 50 18.877 +08 09 43.66 V Z84