2025 UL9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6280634646 ± 1.37e-04
Semi-major axis (a)1.0495811587 AU ± 1.96e-04
Inclination (i)14.07876121° ± 4.20e-03
Long. of Asc. Node (Ω)23.26991088° ± 5.83e-04
Arg. of Perihelion (ω)241.72441388° ± 1.75e-03
Mean Anomaly (M)72.90459311° ± 2.88e-02
Mean Motion (n)0.9166176957°/day ± 2.57e-04
Perihelion dist (q)0.39037758 AU ± 1.61e-04
Aphelion dist (Q)1.70878474 AU ± 3.50e-04
Orbital Period1.07528612 yr ± 3.02e-04
Physical Parameters
H (abs. magnitude)22.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.247″
Uncertainty2
Orbit TypeApollo
MOID0.027955 AU
Observations Used87
Oppositions1
Arc Total2025-2025
First Observation Used2025-10-28
Last Observation Used2025-11-15
Observations (88)
Date Type RA Dec Mag Band Observatory
2025-10-29 01:47:48 C 21 26 32.753 +15 27 15.45 W H01
2025-10-29 03:18:27 C 21 28 06.757 +15 32 01.73 V U74
2025-10-29 03:23:12 C 21 28 11.544 +15 32 16.31 V U74
2025-10-29 04:15:25 B 21 29 04.793 +15 34 52.36 V U52
2025-10-29 04:36:07 B 21 29 25.632 +15 35 57.70 V U52
2025-10-29 11:36:12 B 21 36 23.080 +15 56 43.59 Z Q06
2025-10-29 11:52:23 B 21 36 38.236 +15 57 27.76 Z Q06
2025-10-29 12:08:35 B 21 36 53.407 +15 58 11.96 Z Q06
2025-10-29 17:11:22 C 21 41 39.78 +16 11 21.6 Z L04
2025-10-29 17:21:03 C 21 41 48.42 +16 11 45.9 Z L04
2025-10-29 17:28:33 C 21 41 55.08 +16 12 05.3 Z L04
2025-10-29 18:27:41 B 21 42 47.82 +16 14 30.2 V G02
2025-10-29 18:48:01 B 21 43 05.73 +16 15 20.5 V G02
2025-10-30 00:07:17 C 21 47 46.030 +16 30 07.10 V 807
2025-10-30 00:15:40 C 21 47 53.030 +16 30 26.70 V 807
2025-10-30 00:24:03 C 21 47 59.930 +16 30 45.60 V 807
2025-11-01 01:44:28 C 22 21 57.76 +17 48 40.3 V H21
2025-11-01 01:47:14 C 22 21 59.29 +17 48 42.8 V H21
2025-11-01 01:50:12 C 22 22 00.87 +17 48 46.4 V H21
2025-11-07 02:11:39 C 23 12 08.91 +19 04 25.8 V 290
2025-11-07 02:14:08 C 23 12 09.41 +19 04 26.4 V 290
2025-11-07 02:16:35 C 23 12 09.91 +19 04 26.9 V 290
2025-11-07 02:19:18 C 23 12 10.50 +19 04 27.8 V 290
2025-11-08 02:49:57 C 23 17 13.93 +19 09 18.9 V 290
2025-11-08 02:53:06 C 23 17 14.49 +19 09 19.4 V 290
2025-11-08 03:01:03 C 23 17 15.65 +19 09 12.0 V 290
2025-11-08 06:05:25 C 23 17 49.74 +19 09 50.9 V 691
2025-11-08 06:21:19 C 23 17 52.65 +19 09 53.5 V 691
2025-11-08 06:37:12 C 23 17 55.57 +19 09 55.7 V 691
2025-11-11 05:44:51 C 23 29 44.99 +19 19 19.9 V 691
2025-11-11 06:06:39 C 23 29 47.97 +19 19 21.7 V 691
2025-11-14 00:49:14 C 23 38 29.86 +19 24 56.3 V H21
2025-11-14 01:07:03 C 23 38 31.81 +19 24 57.8 V H21
2025-11-14 04:59:53 C 23 38 57.94 +19 25 17.8 V 691
2025-11-14 05:28:22 C 23 39 01.02 +19 25 19.1 V 691
2025-11-14 05:58:54 C 23 39 04.39 +19 25 20.7 V 691
2025-11-15 01:39:53 C 23 41 18.87 +19 26 38.0 V H21
2025-11-15 01:49:18 C 23 41 19.86 +19 26 38.7 V H21