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
2005-10-24 11:13:56 C 22 54 41.128 -10 35 26.09 r 413
2005-10-24 11:16:05 C 22 54 41.148 -10 35 21.83 r 413
2005-10-24 11:18:15 C 22 54 41.161 -10 35 17.54 r 413
2005-10-26 03:25:26 C 22 55 19.02 -09 21 51.4 17.9 c 704
2005-10-26 03:42:23 C 22 55 19.24 -09 21 22.5 18.1 c 704
2005-10-26 03:59:04 C 22 55 19.41 -09 20 54.2 17.6 c 704
2005-10-26 04:15:45 C 22 55 19.57 -09 20 25.9 18.3 c 704
2005-10-26 04:32:32 C 22 55 19.79 -09 19 57.8 17.9 c 704
2005-10-26 04:57:30 C 22 55 20.05 -09 19 15.1 r 448
2005-10-26 05:02:34 C 22 55 20.12 -09 19 06.5 r 448
2005-10-26 05:07:22 C 22 55 20.18 -09 18 57.8 r 448
2005-10-26 06:04:55 C 22 55 21.04 -09 17 21.2 r G77
2005-10-26 06:16:29 C 22 55 21.21 -09 17 01.8 r G77
2005-10-26 06:33:20 C 22 55 21.40 -09 16 33.4 r G77
2005-10-26 06:45:29 C 22 55 21.56 -09 16 12.9 r G77
2005-10-26 07:17:49 C 22 55 21.96 -09 15 18.3 r G77
2005-10-27 18:17:22 C 22 55 59.66 -08 20 07.2 o 151
2005-10-27 18:20:19 C 22 55 59.70 -08 20 02.7 o 151
2005-10-27 18:23:17 C 22 55 59.74 -08 19 58.0 o 151
2005-10-27 19:56:08 C 22 56 01.09 -08 17 41.2 r 138
2005-10-27 20:07:27 C 22 56 01.25 -08 17 24.3 r 138
2005-10-27 20:18:38 C 22 56 01.41 -08 17 08.0 r 138
2005-10-28 03:14:52 C 22 56 09.22 -08 06 57.1 18.3 c 704
2005-10-28 03:31:54 C 22 56 09.45 -08 06 32.9 18.4 c 704
2005-10-28 03:48:54 C 22 56 09.69 -08 06 08.5 18.3 c 704
2005-10-28 04:05:49 C 22 56 09.93 -08 05 44.0 18.1 c 704
2005-10-28 04:22:42 C 22 56 10.13 -08 05 19.8 18.0 c 704
2005-10-29 03:33:39 C 22 56 36.78 -07 33 16.1 o G88
2005-10-29 03:44:19 C 22 56 36.94 -07 33 02.2 o G88
2005-10-29 03:53:28 C 22 56 37.07 -07 32 49.8 o G88
2005-10-29 17:51:44 C 22 56 53.96 -07 14 39.9 o 151
2005-10-29 17:54:20 C 22 56 54.00 -07 14 36.6 o 151
2005-10-29 17:55:22 C 22 56 54.02 -07 14 35.5 o 151
2005-10-29 17:56:56 C 22 56 54.04 -07 14 33.6 o 151
2005-10-29 18:17:09 C 22 56 54.38 -07 14 08.5 r A17
2005-10-29 18:52:16 C 22 56 54.95 -07 13 23.7 r A17
2005-10-29 19:14:02 C 22 56 55.31 -07 12 56.1 r A17
2005-10-30 02:18:22 C 22 57 04.12 -07 03 59.1 o G88
2005-10-30 02:29:16 C 22 57 04.29 -07 03 45.6 o G88
2005-10-30 02:39:38 C 22 57 04.43 -07 03 32.8 o G88
2005-10-30 17:52:59 C 22 57 23.27 -06 45 05.8 o 151
2005-10-30 17:54:17 C 22 57 23.28 -06 45 04.2 o 151
2005-10-30 17:55:35 C 22 57 23.30 -06 45 02.7 o 151
2005-10-30 17:58:12 C 22 57 23.37 -06 44 59.2 o 151
2005-10-30 17:59:30 C 22 57 23.38 -06 44 57.5 o 151
2005-10-30 17:59:46 C 22 57 23.37 -06 44 56.9 o 151
2005-10-30 18:19:16 C 22 57 23.73 -06 44 34.8 r 143
2005-10-30 18:26:16 C 22 57 23.85 -06 44 26.2 r 143
2005-10-30 18:46:55 C 22 57 24.21 -06 44 00.9 o 160
2005-10-30 18:49:39 C 22 57 24.24 -06 43 57.8 o 160