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
2005-11-01 12:07:41 C 22 58 17.47 -05 57 38.0 o D35
2005-11-01 12:14:43 C 22 58 17.60 -05 57 30.6 o D35
2005-11-01 12:20:27 C 22 58 17.71 -05 57 24.5 o D35
2005-11-01 12:26:11 C 22 58 17.80 -05 57 18.5 o D35
2005-11-01 12:31:56 C 22 58 17.91 -05 57 12.3 o D35
2005-11-01 12:38:24 C 22 58 18.02 -05 57 05.6 o D35
2005-11-01 13:06:42 C 22 58 18.54 -05 56 35.6 o D35
2005-11-01 13:47:55 C 22 58 19.28 -05 55 51.9 o D35
2005-11-01 13:53:40 C 22 58 19.38 -05 55 45.9 o D35
2005-11-01 13:59:25 C 22 58 19.48 -05 55 39.9 o D35
2005-11-01 14:05:08 C 22 58 19.60 -05 55 33.8 o D35
2005-11-01 14:11:36 C 22 58 19.72 -05 55 26.9 o D35
2005-11-01 14:17:19 C 22 58 19.82 -05 55 20.8 o D35
2005-11-01 14:23:04 C 22 58 19.93 -05 55 14.7 o D35
2005-11-01 14:28:48 C 22 58 20.03 -05 55 08.7 o D35
2005-11-01 14:36:35 C 22 58 20.19 -05 55 00.5 o D35
2005-11-01 14:42:20 C 22 58 20.29 -05 54 54.4 o D35
2005-11-01 14:48:06 C 22 58 20.40 -05 54 48.3 o D35
2005-11-01 14:53:50 C 22 58 20.50 -05 54 42.2 o D35
2005-11-01 15:00:19 C 22 58 20.64 -05 54 35.4 o D35
2005-11-01 15:06:02 C 22 58 20.74 -05 54 29.4 o D35
2005-11-01 15:11:45 C 22 58 20.85 -05 54 23.4 o D35
2005-11-01 15:17:32 C 22 58 20.96 -05 54 17.2 o D35
2005-11-01 15:23:59 C 22 58 21.09 -05 54 10.5 o D35
2005-11-01 15:40:26 C 22 58 21.42 -05 53 53.1 o D35
2005-11-01 15:44:24 C 22 58 21.48 -05 53 49.0 o D35
2005-11-02 11:36:57 C 22 58 49.50 -05 33 29.6 o D35
2005-11-02 11:49:32 C 22 58 49.73 -05 33 16.9 o D35
2005-11-02 11:59:11 C 22 58 49.92 -05 33 07.7 o D35
2005-11-02 12:03:59 C 22 58 50.01 -05 33 03.0 o D35
2005-11-02 12:09:36 C 22 58 50.12 -05 32 57.4 o D35
2005-11-02 12:14:22 C 22 58 50.21 -05 32 52.6 o D35
2005-11-02 12:19:07 C 22 58 50.30 -05 32 47.8 o D35
2005-11-02 12:23:51 C 22 58 50.39 -05 32 43.1 o D35
2005-11-02 12:28:35 C 22 58 50.47 -05 32 38.4 o D35
2005-11-02 12:33:20 C 22 58 50.56 -05 32 33.6 o D35
2005-11-02 12:48:36 C 22 58 50.86 -05 32 18.1 o D35
2005-11-02 12:53:23 C 22 58 50.95 -05 32 13.7 o D35
2005-11-02 12:59:00 C 22 58 51.05 -05 32 08.1 o D35
2005-11-02 13:03:48 C 22 58 51.14 -05 32 03.3 o D35
2005-11-02 13:21:38 C 22 58 51.48 -05 31 45.6 o D35
2005-11-02 13:26:23 C 22 58 51.56 -05 31 40.8 o D35
2005-11-02 13:31:07 C 22 58 51.66 -05 31 36.1 o D35
2005-11-02 13:35:50 C 22 58 51.75 -05 31 31.4 o D35
2005-11-02 13:50:53 C 22 58 52.04 -05 31 16.4 o D35
2005-11-02 13:55:43 C 22 58 52.14 -05 31 11.7 o D35
2005-11-02 14:01:20 C 22 58 52.25 -05 31 06.1 o D35
2005-11-02 14:06:08 C 22 58 52.34 -05 31 01.3 o D35
2005-11-02 14:10:52 C 22 58 52.43 -05 30 56.7 o D35
2005-11-02 14:15:37 C 22 58 52.52 -05 30 51.9 o D35