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
2005-11-02 14:20:21 C 22 58 52.62 -05 30 47.1 o D35
2005-11-02 14:25:04 C 22 58 52.70 -05 30 42.3 o D35
2005-11-02 14:40:36 C 22 58 53.02 -05 30 27.1 o D35
2005-11-02 14:45:23 C 22 58 53.12 -05 30 22.3 o D35
2005-11-02 14:51:01 C 22 58 53.23 -05 30 16.8 o D35
2005-11-02 14:55:48 C 22 58 53.32 -05 30 11.9 o D35
2005-11-02 15:00:32 C 22 58 53.42 -05 30 07.3 o D35
2005-11-02 15:05:21 C 22 58 53.51 -05 30 02.6 o D35
2005-11-02 15:10:04 C 22 58 53.61 -05 29 57.9 o D35
2005-11-02 15:14:49 C 22 58 53.71 -05 29 53.1 o D35
2005-11-03 12:09:38 C 22 59 23.87 -05 09 43.0 o D35
2005-11-03 12:16:12 C 22 59 23.99 -05 09 37.5 o D35
2005-11-03 12:20:59 C 22 59 24.09 -05 09 33.1 o D35
2005-11-03 12:26:35 C 22 59 24.19 -05 09 27.9 o D35
2005-11-03 12:31:21 C 22 59 24.29 -05 09 23.3 o D35
2005-11-03 12:36:06 C 22 59 24.39 -05 09 18.8 o D35
2005-11-03 12:40:51 C 22 59 24.48 -05 09 14.3 o D35
2005-11-03 12:45:35 C 22 59 24.57 -05 09 09.9 o D35
2005-11-03 12:50:19 C 22 59 24.67 -05 09 05.4 o D35
2005-11-03 13:16:38 C 22 59 25.19 -05 08 40.7 o D35
2005-11-03 13:21:25 C 22 59 25.29 -05 08 36.2 o D35
2005-11-03 13:27:02 C 22 59 25.40 -05 08 30.9 o D35
2005-11-03 13:31:50 C 22 59 25.49 -05 08 26.4 o D35
2005-11-03 13:36:35 C 22 59 25.59 -05 08 21.9 o D35
2005-11-03 13:41:21 C 22 59 25.69 -05 08 17.4 o D35
2005-11-03 13:46:05 C 22 59 25.79 -05 08 13.0 o D35
2005-11-03 13:50:51 C 22 59 25.88 -05 08 08.5 o D35
2005-11-03 14:16:45 C 22 59 26.41 -05 07 44.1 o D35
2005-11-03 14:21:33 C 22 59 26.51 -05 07 39.9 o D35
2005-11-03 14:27:10 C 22 59 26.63 -05 07 34.5 o D35
2005-11-03 14:31:56 C 22 59 26.73 -05 07 29.9 o D35
2005-11-03 14:36:42 C 22 59 26.83 -05 07 25.7 o D35
2005-11-03 14:41:26 C 22 59 26.92 -05 07 21.1 o D35
2005-11-03 14:46:08 C 22 59 27.02 -05 07 16.6 o D35
2005-11-03 14:50:53 C 22 59 27.12 -05 07 12.1 o D35
2005-11-03 14:55:11 C 22 59 27.21 -05 07 08.1 o D35
2005-11-03 14:59:59 C 22 59 27.32 -05 07 03.4 o D35
2005-11-03 15:05:36 C 22 59 27.44 -05 06 58.5 o D35
2005-11-03 15:10:22 C 22 59 27.53 -05 06 54.0 o D35
2005-11-03 15:15:07 C 22 59 27.63 -05 06 49.5 o D35
2005-11-03 15:19:52 C 22 59 27.73 -05 06 45.1 o D35
2005-11-03 15:24:36 C 22 59 27.84 -05 06 40.7 o D35
2005-11-03 15:29:21 C 22 59 27.94 -05 06 36.1 o D35
2005-11-03 18:49:10 C 22 59 33.38 -05 03 33.2 20.4 i 071
2005-11-03 18:59:23 C 22 59 33.57 -05 03 23.7 19.8 i 071
2005-11-04 12:10:18 C 22 59 58.72 -04 47 45.5 o D35
2005-11-04 12:14:00 C 22 59 58.79 -04 47 42.2 o D35
2005-11-04 12:18:48 C 22 59 58.89 -04 47 38.0 o D35
2005-11-04 12:24:25 C 22 59 59.01 -04 47 33.0 o D35
2005-11-04 12:29:13 C 22 59 59.10 -04 47 28.7 o D35