155140 (2005 UD)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8724259073 ± 1.58e-08
Semi-major axis (a)1.2748022331 AU ± 6.83e-10
Inclination (i)28.61064732° ± 4.45e-06
Long. of Asc. Node (Ω)19.65021611° ± 1.51e-06
Arg. of Perihelion (ω)207.67056636° ± 2.42e-06
Mean Anomaly (M)20.32351625° ± 3.75e-06
Mean Motion (n)0.6847752463°/day ± 5.50e-10
Perihelion dist (q)0.16263174 AU ± 2.01e-08
Aphelion dist (Q)2.38697273 AU ± 2.01e-08
Orbital Period1.43934275 yr ± 1.16e-09
Physical Parameters
H (abs. magnitude)17.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.191″
Uncertainty0
Orbit TypeApollo
MOID0.076425 AU
Observations Used902
Oppositions13
Arc Total1982-2024
First Observation Used1982-11-06
Last Observation Used2024-12-19
Observations (999)
Date Type RA Dec Mag Band Observatory
2005-10-30 18:50:59 C 22 57 24.27 -06 43 55.9 o 160
2005-10-30 18:53:56 C 22 57 24.32 -06 43 52.6 o 160
2005-10-30 18:56:31 C 22 57 24.34 -06 43 49.5 o 160
2005-10-31 02:25:51 C 22 57 34.03 -06 35 00.3 o 644
2005-10-31 02:56:39 C 22 57 34.56 -06 34 24.8 o 644
2005-10-31 03:27:18 C 22 57 35.07 -06 33 49.3 o 644
2005-10-31 03:59:33 C 22 57 35.45 -06 33 10.7 18.3 c 704
2005-10-31 04:16:45 C 22 57 35.74 -06 32 51.7 18.8 c 704
2005-10-31 04:33:57 C 22 57 36.03 -06 32 32.0 18.8 c 704
2005-10-31 04:51:13 C 22 57 36.32 -06 32 11.0 18.0 c 704
2005-10-31 05:08:29 C 22 57 36.65 -06 31 52.0 18.0 c 704
2005-10-31 12:22:12 C 22 57 46.28 -06 23 36.0 o D35
2005-10-31 12:24:27 C 22 57 46.31 -06 23 33.5 o D35
2005-10-31 12:26:45 C 22 57 46.35 -06 23 30.9 o D35
2005-10-31 12:31:43 C 22 57 46.44 -06 23 25.4 o D35
2005-10-31 12:33:51 C 22 57 46.47 -06 23 22.8 o D35
2005-10-31 12:35:58 C 22 57 46.50 -06 23 20.4 o D35
2005-10-31 12:38:06 C 22 57 46.55 -06 23 18.0 o D35
2005-10-31 12:42:21 C 22 57 46.61 -06 23 13.1 o D35
2005-10-31 12:44:28 C 22 57 46.65 -06 23 10.9 o D35
2005-10-31 12:46:35 C 22 57 46.69 -06 23 08.4 o D35
2005-10-31 12:48:43 C 22 57 46.73 -06 23 06.1 o D35
2005-10-31 12:50:51 C 22 57 46.75 -06 23 03.7 o D35
2005-10-31 12:52:58 C 22 57 46.79 -06 23 01.3 o D35
2005-10-31 12:55:07 C 22 57 46.84 -06 22 58.9 o D35
2005-10-31 12:57:14 C 22 57 46.87 -06 22 56.6 o D35
2005-10-31 13:01:31 C 22 57 46.94 -06 22 51.6 o D35
2005-10-31 13:03:39 C 22 57 46.98 -06 22 49.2 o D35
2005-10-31 13:05:47 C 22 57 47.01 -06 22 46.9 o D35
2005-10-31 13:07:54 C 22 57 47.05 -06 22 44.5 o D35
2005-10-31 13:10:01 C 22 57 47.09 -06 22 42.0 o D35
2005-10-31 13:12:10 C 22 57 47.13 -06 22 39.5 o D35
2005-10-31 13:52:01 C 22 57 47.82 -06 21 56.4 o D35
2005-10-31 13:57:39 C 22 57 47.88 -06 21 50.6 o D35
2005-10-31 14:03:16 C 22 57 48.00 -06 21 42.4 o D35
2005-10-31 14:08:53 C 22 57 48.12 -06 21 34.4 o D35
2005-10-31 14:14:32 C 22 57 48.19 -06 21 29.8 o D35
2005-10-31 14:20:09 C 22 57 48.30 -06 21 22.9 o D35
2005-10-31 14:25:45 C 22 57 48.40 -06 21 16.7 o D35
2005-10-31 14:31:23 C 22 57 48.49 -06 21 10.4 o D35
2005-10-31 14:37:00 C 22 57 48.59 -06 21 04.0 o D35
2005-10-31 14:42:37 C 22 57 48.70 -06 20 57.8 o D35
2005-10-31 14:51:46 C 22 57 48.86 -06 20 47.4 o D35
2005-10-31 14:57:23 C 22 57 48.97 -06 20 41.2 o D35
2005-10-31 15:03:02 C 22 57 49.07 -06 20 34.8 o D35
2005-10-31 15:08:39 C 22 57 49.17 -06 20 28.5 o D35
2005-10-31 15:14:16 C 22 57 49.29 -06 20 22.4 o D35
2005-11-01 11:59:14 C 22 58 17.33 -05 57 46.9 o D35
2005-11-01 12:03:11 C 22 58 17.40 -05 57 42.8 o D35
2005-11-01 12:05:26 C 22 58 17.43 -05 57 40.4 o D35