2025 US9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5486126751 ± 8.70e-04
Semi-major axis (a)2.0273128485 AU ± 3.73e-03
Inclination (i)2.49058228° ± 3.52e-03
Long. of Asc. Node (Ω)45.98597426° ± 2.62e-03
Arg. of Perihelion (ω)297.42504236° ± 9.65e-03
Mean Anomaly (M)21.75917641° ± 6.36e-02
Mean Motion (n)0.3414531448°/day ± 9.43e-04
Perihelion dist (q)0.91510332 AU ± 2.44e-03
Aphelion dist (Q)3.13952237 AU ± 6.04e-03
Orbital Period2.88656379 yr ± 7.97e-03
Physical Parameters
H (abs. magnitude)26.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.379″
Uncertainty2
Orbit TypeApollo
MOID0.016415 AU
Observations Used23
Oppositions1
Arc Total2025-2025
First Observation Used2025-10-28
Last Observation Used2025-10-30
Observations (23)
Date Type RA Dec Mag Band Observatory
2025-10-28 05:14:52 C 01 51 44.832 +01 55 56.14 U I41
2025-10-29 05:51:57 C 01 59 26.880 +04 18 52.02 V G96
2025-10-29 06:06:53 C 01 59 30.710 +04 20 10.72 V G96
2025-10-29 06:14:21 C 01 59 32.554 +04 20 50.57 V G96
2025-10-29 06:32:17 C 01 59 36.597 +04 22 20.81 W H01
2025-10-29 06:35:25 C 01 59 38.685 +04 22 38.00 U I41
2025-10-29 06:37:09 C 01 59 37.827 +04 22 46.26 W H01
2025-10-29 06:52:36 C 01 59 41.709 +04 24 06.86 W H01
2025-10-29 07:02:43 C 01 59 44.253 +04 24 59.53 W H01
2025-10-29 09:10:30 C 02 00 16.679 +04 36 01.33 V I52
2025-10-29 09:12:15 C 02 00 17.212 +04 36 09.61 V I52
2025-10-29 09:14:00 C 02 00 17.629 +04 36 18.72 V I52
2025-10-29 09:15:45 C 02 00 18.022 +04 36 27.54 V I52
2025-10-29 10:11:57 C 02 00 32.862 +04 41 12.18 U I41
2025-10-30 00:23:14 C 02 04 20.285 +05 49 04.94 W J95
2025-10-30 01:05:39 C 02 04 29.926 +05 52 17.58 W J95
2025-10-30 01:25:40 C 02 04 41.610 +05 56 25.40 V 807
2025-10-30 01:48:14 C 02 04 46.620 +05 58 08.20 V 807
2025-10-30 02:10:48 C 02 04 51.650 +05 59 51.50 V 807
2025-10-30 06:12:27 C 02 05 47.951 +06 15 37.69 V I52
2025-10-30 06:14:55 C 02 05 48.379 +06 15 49.18 V I52
2025-10-30 06:17:23 C 02 05 48.865 +06 16 00.48 V I52
2025-10-30 06:19:51 C 02 05 49.420 +06 16 10.92 V I52