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
2018-10-13 23:48:56 C 01 05 04.15 +06 39 12.0 q 160
2018-10-13 23:51:49 C 01 05 03.22 +06 39 11.4 q 160
2018-10-13 23:54:42 C 01 05 02.30 +06 39 10.1 q 160
2018-10-13 23:57:27 C 01 05 01.53 +06 39 08.2 U A16
2018-10-14 00:07:37 C 01 04 58.31 +06 39 04.7 U A16
2018-10-14 00:17:47 C 01 04 55.11 +06 39 01.2 U A16
2018-10-14 00:25:24 C 01 04 52.66 +06 38 58.5 U A16
2018-10-14 19:01:18 C 00 59 17.16 +06 32 32.7 u 557
2018-10-14 19:30:14 C 00 59 08.62 +06 32 23.0 u 557
2018-10-14 20:00:27 C 00 58 59.67 +06 32 12.9 u 557
2018-10-14 20:30:40 C 00 58 50.76 +06 32 02.8 u 557
2018-10-14 20:59:36 C 00 58 42.23 +06 31 53.1 u 557
2018-10-14 21:31:03 C 00 58 32.98 +06 31 42.6 u 557
2018-10-14 22:00:29 C 00 58 24.30 +06 31 32.6 u 557
2018-10-14 22:30:43 C 00 58 15.42 +06 31 22.5 u 557
2018-10-14 23:00:55 C 00 58 06.57 +06 31 12.4 u 557
2018-10-14 23:31:06 C 00 57 57.74 +06 31 02.1 u 557
2018-10-14 23:33:47 C 00 57 57.07 +06 31 02.2 U A16
2018-10-14 23:50:29 C 00 57 52.17 +06 30 57.0 U A16
2018-10-15 00:00:04 C 00 57 49.28 +06 30 52.3 u 557
2018-10-15 00:09:16 C 00 57 46.69 +06 30 50.3 U A16
2018-10-15 00:35:35 C 00 57 38.91 +06 30 42.3 q 160
2018-10-15 00:38:28 C 00 57 38.13 +06 30 42.5 q 160
2018-10-15 00:38:29 C 00 57 38.18 +06 30 40.8 U A16
2018-10-15 00:41:20 C 00 57 37.24 +06 30 40.2 q 160
2018-10-15 01:20:45 C 00 57 25.86 +06 30 26.0 U A16
2018-10-15 10:42:35 C 00 54 47.89 +06 27 29.0 U T05
2018-10-15 10:57:06 C 00 54 43.78 +06 27 24.2 U T05
2018-10-15 11:11:32 C 00 54 39.68 +06 27 19.4 U T05
2018-10-15 11:26:01 C 00 54 35.59 +06 27 14.7 U T05
2018-10-16 09:29:45 C 00 48 43.504 +06 20 08.43 U F52
2018-10-16 09:47:46 C 00 48 38.758 +06 20 02.75 U F52
2018-10-16 10:05:46 C 00 48 34.017 +06 19 57.08 U F52
2018-10-16 20:15:16 C 00 46 01.52 +06 16 39.5 q 006
2018-10-16 20:16:36 C 00 46 01.14 +06 16 38.8 q 006
2018-10-16 20:17:58 C 00 46 00.84 +06 16 38.7 q 006
2018-10-16 20:19:20 C 00 46 00.50 +06 16 38.4 q 006
2018-10-16 20:20:41 C 00 46 00.19 +06 16 37.7 q 006
2018-10-16 20:22:02 C 00 45 59.83 +06 16 37.5 q 006
2018-10-16 20:23:22 C 00 45 59.48 +06 16 37.3 q 006
2018-10-16 20:24:25 C 00 45 59.24 +06 16 36.8 q 006
2018-10-16 21:45:20 C 00 45 38.63 +06 16 10.0 u 557
2018-10-16 22:15:35 C 00 45 31.06 +06 16 00.8 u 557
2018-10-17 00:26:08 C 00 44 58.59 +06 15 20.8 u 557
2018-10-17 18:36:19 C 00 40 41.91 +06 09 56.2 u 557
2018-10-17 19:06:12 C 00 40 34.99 +06 09 47.7 u 557
2018-10-17 19:36:07 C 00 40 28.05 +06 09 39.2 u 557
2018-10-17 20:05:59 C 00 40 21.11 +06 09 30.6 u 557
2018-10-17 20:35:53 C 00 40 14.19 +06 09 22.1 u 557
2018-10-17 21:05:48 C 00 40 07.26 +06 09 13.4 u 557