2025 US4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3944209588 ± 3.01e-04
Semi-major axis (a)1.4360938652 AU ± 5.82e-04
Inclination (i)3.58153444° ± 2.43e-03
Long. of Asc. Node (Ω)42.53959502° ± 1.19e-03
Arg. of Perihelion (ω)282.12981350° ± 2.65e-03
Mean Anomaly (M)47.04719067° ± 3.21e-02
Mean Motion (n)0.5727143114°/day ± 3.48e-04
Perihelion dist (q)0.86966835 AU ± 5.58e-04
Aphelion dist (Q)2.00251938 AU ± 9.19e-04
Orbital Period1.72097373 yr ± 1.05e-03
Physical Parameters
H (abs. magnitude)26.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.179″
Uncertainty2
Orbit TypeApollo
MOID0.021727 AU
Observations Used21
Oppositions1
Arc Total2025-2025
First Observation Used2025-10-21
Last Observation Used2025-10-24
Observations (21)
Date Type RA Dec Mag Band Observatory
2025-10-21 08:39:06 C 04 30 54.313 +07 34 41.20 V V00
2025-10-21 08:47:10 C 04 30 50.371 +07 35 15.65 V V00
2025-10-21 08:55:13 C 04 30 46.292 +07 35 50.71 V V00
2025-10-21 10:25:11 C 04 30 01.753 +07 42 11.45 V V00
2025-10-21 10:25:55 C 04 30 01.436 +07 42 14.54 V V00
2025-10-21 10:26:38 C 04 30 01.069 +07 42 18.04 V V00
2025-10-21 10:27:21 C 04 30 00.702 +07 42 20.81 V V00
2025-10-21 14:56:14 C 04 27 55.858 +08 01 23.78 V T12
2025-10-21 14:59:41 C 04 27 54.213 +08 01 37.59 V T12
2025-10-21 15:03:09 C 04 27 52.552 +08 01 51.60 V T12
2025-10-21 15:06:26 C 04 27 50.978 +08 02 04.86 V T12
2025-10-22 14:56:12 C 04 17 54.533 +09 32 19.70 V T12
2025-10-22 15:02:42 C 04 17 51.788 +09 32 42.08 V T12
2025-10-23 06:13:30 C 04 12 15.060 +10 25 16.70 V 807
2025-10-23 06:35:55 C 04 12 06.200 +10 26 28.00 V 807
2025-10-23 06:54:25 C 04 12 00.95 +10 24 58.4 V H21
2025-10-23 06:58:20 C 04 11 57.340 +10 27 39.30 V 807
2025-10-23 07:02:45 C 04 11 57.71 +10 25 24.9 V H21
2025-10-23 07:06:30 C 04 11 56.24 +10 25 36.8 V H21
2025-10-24 08:11:37 C 04 03 23.20 +11 39 21.0 V H21
2025-10-24 08:15:47 C 04 03 21.79 +11 39 32.5 V H21