2025 UR4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5829583139 ± 1.05e-04
Semi-major axis (a)2.8767305860 AU ± 8.00e-04
Inclination (i)2.63570687° ± 3.18e-04
Long. of Asc. Node (Ω)161.01613847° ± 1.01e-03
Arg. of Perihelion (ω)232.37527327° ± 1.16e-03
Mean Anomaly (M)4.78318141° ± 1.96e-03
Mean Motion (n)0.2020056375°/day ± 8.43e-05
Perihelion dist (q)1.19971657 AU ± 4.50e-04
Aphelion dist (Q)4.55374460 AU ± 1.30e-03
Orbital Period4.87920186 yr ± 2.04e-03
Physical Parameters
H (abs. magnitude)24.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.239″
Uncertainty1
Orbit TypeAmor
MOID0.207607 AU
Observations Used29
Oppositions1
Arc Total2025-2025
First Observation Used2025-10-18
Last Observation Used2025-11-17
Observations (29)
Date Type RA Dec Mag Band Observatory
2025-10-18 18:29:26 B 01 29 36.10 -01 43 36.7 X N94
2025-10-18 18:46:38 B 01 29 37.92 -01 43 35.6 X N94
2025-10-18 19:03:50 B 01 29 39.63 -01 43 32.8 X N94
2025-10-19 17:48:12 B 01 32 11.27 -01 40 34.1 X N94
2025-10-19 18:05:24 B 01 32 13.05 -01 40 33.4 X N94
2025-10-19 18:22:37 B 01 32 14.83 -01 40 31.2 X N94
2025-10-20 17:43:53 B 01 34 51.14 -01 37 02.9 X N94
2025-10-20 18:02:50 B 01 34 53.10 -01 37 00.2 X N94
2025-10-20 18:21:45 B 01 34 55.04 -01 36 57.1 X N94
2025-10-22 21:40:52 B 01 40 41.531 -01 26 55.82 W M21
2025-10-22 23:22:21 B 01 40 51.871 -01 26 36.08 W M21
2025-10-23 05:07:03 C 01 41 31.43 -01 26 07.5 V H21
2025-10-23 05:15:22 C 01 41 32.35 -01 26 05.0 V H21
2025-10-23 05:23:42 C 01 41 33.21 -01 26 03.2 V H21
2025-10-24 06:39:05 C 01 44 24.605 -01 20 26.95 V I52
2025-10-24 06:47:03 C 01 44 25.415 -01 20 25.44 V I52
2025-10-24 06:55:00 C 01 44 26.218 -01 20 23.75 V I52
2025-10-24 07:02:57 C 01 44 27.042 -01 20 21.91 V I52
2025-10-28 16:53:15 C 01 56 27.889 -00 51 11.14 W O18
2025-10-28 18:08:19 C 01 56 35.679 -00 50 46.82 W O18
2025-10-31 03:40:07 C 02 03 07.140 -00 30 02.90 V 807
2025-10-31 04:01:06 C 02 03 09.300 -00 29 54.50 V 807
2025-10-31 04:22:04 C 02 03 11.460 -00 29 46.90 V 807
2025-10-31 09:18:16 C 02 03 43.582 -00 28 38.89 V V06
2025-10-31 09:25:07 C 02 03 44.302 -00 28 36.16 V V06
2025-10-31 09:31:59 C 02 03 45.018 -00 28 33.49 V V06
2025-10-31 09:38:50 C 02 03 45.727 -00 28 30.94 V V06
2025-11-17 02:51:40 C 02 46 09.490 +02 55 47.80 V 807
2025-11-17 03:24:08 C 02 46 12.310 +02 56 07.10 V 807