2025 UD9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4087655004 ± 3.66e-05
Semi-major axis (a)1.5087116225 AU ± 8.12e-05
Inclination (i)6.62277693° ± 4.65e-04
Long. of Asc. Node (Ω)34.68973373° ± 1.30e-05
Arg. of Perihelion (ω)310.18077812° ± 2.23e-04
Mean Anomaly (M)33.16833558° ± 3.00e-03
Mean Motion (n)0.5318668495°/day ± 4.29e-05
Perihelion dist (q)0.89200236 AU ± 7.32e-05
Aphelion dist (Q)2.12542088 AU ± 1.27e-04
Orbital Period1.85314479 yr ± 1.50e-04
Physical Parameters
H (abs. magnitude)27.09
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.264″
Uncertainty1
Orbit TypeApollo
MOID0.000258 AU
Observations Used57
Oppositions1
Arc Total2025-2025
First Observation Used2025-10-29
Last Observation Used2025-11-02
Observations (57)
Date Type RA Dec Mag Band Observatory
2025-10-29 06:41:30 C 01 56 48.708 +34 28 23.59 U I41
2025-10-29 06:42:00 C 01 56 49.703 +34 28 32.66 U I41
2025-10-29 08:20:35 C 02 00 06.461 +34 55 28.18 U I41
2025-10-29 08:21:05 C 02 00 07.398 +34 55 35.88 U I41
2025-10-29 10:16:20 C 02 04 29.388 +35 28 01.24 V T05
2025-10-29 10:20:54 C 02 04 36.552 +35 28 58.94 V T05
2025-10-29 10:28:34 C 02 04 48.677 +35 30 35.82 V T05
2025-10-29 10:43:20 C 02 05 11.566 +35 33 36.22 V T05
2025-10-29 13:14:19 B 02 10 27.252 +35 57 23.33 W 900
2025-10-29 13:24:42 B 02 10 41.074 +35 59 20.90 W 900
2025-10-29 13:24:46 B 02 10 40.393 +35 59 16.68 Z Q06
2025-10-29 13:30:13 B 02 10 47.564 +36 00 17.07 Z Q06
2025-10-29 13:35:40 B 02 10 54.687 +36 01 16.86 Z Q06
2025-10-29 16:36:01 C 02 16 02.71 +36 19 34.6 V M32
2025-10-29 16:44:48 C 02 16 15.87 +36 21 29.2 Z L04
2025-10-29 16:45:01 C 02 16 14.56 +36 21 08.0 V M32
2025-10-29 16:50:07 C 02 16 22.78 +36 22 24.9 Z L04
2025-10-29 16:51:23 B 02 16 20.37 +36 24 42.1 X M75
2025-10-29 16:54:01 C 02 16 26.26 +36 22 40.8 V M32
2025-10-29 16:55:06 C 02 16 29.22 +36 23 15.7 Z L04
2025-10-29 17:00:11 B 02 16 31.13 +36 26 10.9 X M75
2025-10-29 17:03:02 C 02 16 37.84 +36 24 12.8 V M32
2025-10-29 17:12:05 C 02 16 49.23 +36 25 43.4 V M32
2025-10-29 17:34:39 B 02 17 18.34 +36 30 18.5 X M45
2025-10-29 17:39:18 B 02 17 23.84 +36 31 03.9 X M45
2025-10-29 17:43:49 B 02 17 29.14 +36 31 47.7 X M45
2025-10-29 17:56:56 B 02 17 43.88 +36 32 24.7 V G02
2025-10-29 18:03:55 B 02 17 52.44 +36 35 07.6 V L16
2025-10-29 18:03:59 B 02 17 52.12 +36 33 31.2 V G02
2025-10-29 18:09:19 B 02 17 58.53 +36 35 57.9 V L16
2025-10-29 18:11:14 B 02 18 00.53 +36 34 39.2 V G02
2025-10-29 18:14:37 B 02 18 04.52 +36 36 47.7 V L16
2025-10-29 18:52:54 C 02 18 52.526 +36 38 33.07 W J95
2025-10-29 18:56:57 C 02 18 57.142 +36 39 09.43 W J95
2025-10-29 19:02:30 C 02 19 03.449 +36 39 59.65 W J95
2025-10-29 19:06:27 C 02 19 07.906 +36 40 34.86 W J95
2025-10-29 20:09:34 B 02 20 14.719 +36 49 39.18 W Z80
2025-10-29 20:17:35 B 02 20 22.850 +36 50 44.95 W Z80
2025-10-29 20:25:35 B 02 20 30.809 +36 51 49.32 W Z80
2025-10-29 21:21:59 C 02 21 04.31 +37 00 48.1 X L18
2025-10-29 21:25:57 C 02 21 07.73 +37 01 14.4 X L18
2025-10-29 21:29:54 C 02 21 11.16 +37 01 40.3 X L18
2025-10-29 21:33:52 C 02 21 14.58 +37 02 06.5 X L18
2025-10-29 21:37:54 C 02 21 18.03 +37 02 32.8 X L18
2025-10-30 04:50:30 B 02 27 55.222 +37 45 03.06 X W42
2025-10-30 05:00:09 B 02 28 00.372 +37 45 45.68 X W42
2025-10-30 05:09:59 B 02 28 05.518 +37 46 27.48 X W42
2025-10-30 10:20:00 C 02 31 41.119 +38 07 06.06 V T05
2025-10-30 11:07:35 C 02 31 59.774 +38 09 32.76 V T05
2025-10-30 11:15:09 C 02 32 02.765 +38 09 54.79 V T05