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
2005-11-04 12:33:58 C 22 59 59.21 -04 47 23.4 o D35
2005-11-04 12:41:50 C 22 59 59.35 -04 47 16.8 o D35
2005-11-04 12:46:34 C 22 59 59.46 -04 47 13.2 o D35
2005-11-04 12:51:17 C 22 59 59.55 -04 47 08.4 o D35
2005-11-04 12:56:01 C 22 59 59.66 -04 47 04.8 o D35
2005-11-04 13:07:12 C 22 59 59.90 -04 46 54.9 o D35
2005-11-04 13:11:59 C 22 59 59.99 -04 46 50.8 o D35
2005-11-04 13:17:37 C 23 00 00.12 -04 46 45.6 o D35
2005-11-04 13:22:26 C 23 00 00.22 -04 46 41.2 o D35
2005-11-04 13:27:10 C 23 00 00.31 -04 46 37.2 o D35
2005-11-04 13:31:55 C 23 00 00.41 -04 46 32.9 o D35
2005-11-04 13:36:40 C 23 00 00.51 -04 46 28.7 o D35
2005-11-04 13:41:25 C 23 00 00.61 -04 46 24.5 o D35
2005-11-04 13:51:33 C 23 00 00.82 -04 46 15.4 o D35
2005-11-04 13:56:21 C 23 00 00.93 -04 46 11.3 o D35
2005-11-04 14:01:58 C 23 00 01.05 -04 46 06.3 o D35
2005-11-04 14:06:44 C 23 00 01.15 -04 46 02.0 o D35
2005-11-04 14:11:30 C 23 00 01.25 -04 45 57.7 o D35
2005-11-04 14:16:14 C 23 00 01.35 -04 45 53.5 o D35
2005-11-04 14:20:59 C 23 00 01.46 -04 45 49.3 o D35
2005-11-04 14:25:43 C 23 00 01.56 -04 45 45.1 o D35
2005-11-04 14:35:59 C 23 00 01.78 -04 45 35.9 o D35
2005-11-04 14:40:48 C 23 00 01.88 -04 45 31.8 o D35
2005-11-04 14:46:26 C 23 00 02.01 -04 45 26.8 o D35
2005-11-04 14:51:12 C 23 00 02.10 -04 45 22.4 o D35
2005-11-04 14:55:56 C 23 00 02.21 -04 45 18.4 o D35
2005-11-04 15:00:39 C 23 00 02.31 -04 45 14.1 o D35
2005-11-04 15:05:24 C 23 00 02.43 -04 45 09.8 o D35
2005-11-04 15:10:09 C 23 00 02.53 -04 45 05.6 o D35
2005-11-05 11:57:54 C 23 00 34.35 -04 27 06.7 o D35
2005-11-05 12:02:32 C 23 00 34.45 -04 27 02.9 o D35
2005-11-05 12:07:19 C 23 00 34.56 -04 26 58.9 o D35
2005-11-05 12:12:59 C 23 00 34.68 -04 26 54.2 o D35
2005-11-05 12:17:47 C 23 00 34.78 -04 26 50.1 o D35
2005-11-05 12:22:32 C 23 00 34.92 -04 26 45.2 o D35
2005-11-05 12:27:16 C 23 00 34.98 -04 26 42.1 o D35
2005-11-05 12:32:02 C 23 00 35.09 -04 26 38.2 o D35
2005-11-05 12:36:48 C 23 00 35.19 -04 26 34.1 o D35
2005-11-05 13:10:24 C 23 00 35.91 -04 26 05.8 o D35
2005-11-05 13:15:12 C 23 00 36.02 -04 26 01.7 o D35
2005-11-05 13:20:48 C 23 00 36.15 -04 25 57.0 o D35
2005-11-05 13:25:39 C 23 00 36.25 -04 25 52.9 o D35
2005-11-05 13:30:24 C 23 00 36.35 -04 25 48.9 o D35
2005-11-05 13:35:09 C 23 00 36.46 -04 25 44.9 o D35
2005-11-05 13:39:52 C 23 00 36.56 -04 25 40.8 o D35
2005-11-05 13:44:36 C 23 00 36.66 -04 25 36.9 o D35
2005-11-08 18:35:34 C 23 02 39.13 -03 25 38.2 r 143
2005-11-08 18:44:03 C 23 02 39.31 -03 25 32.0 r 143
2005-11-08 18:52:49 C 23 02 39.50 -03 25 25.7 r 143
2005-11-08 18:58:58 C 23 02 39.67 -03 25 21.0 r 143