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
2017-10-29 07:56:09 C 02 30 55.59 +35 56 49.2 U G96
2017-11-12 05:01:42 C 01 54 40.73 +34 03 29.4 U G96
2017-11-12 05:09:26 C 01 54 39.94 +34 03 26.1 U G96
2017-11-12 05:17:05 C 01 54 39.16 +34 03 22.4 U G96
2017-11-12 05:24:43 C 01 54 38.38 +34 03 18.9 U G96
2018-09-21 03:23:20 C 06 15 09.44 +05 32 10.1 q 160
2018-09-21 03:26:12 C 06 15 07.92 +05 32 12.9 q 160
2018-09-22 07:08:49 S 06 00 10.72 +05 54 19.4 L C51
2018-09-22 10:17:18 S 05 58 25.48 +05 56 46.9 L C51
2018-09-22 11:51:33 S 05 57 32.57 +05 58 00.5 L C51
2018-09-28 01:43:41 C 04 32 25.53 +07 27 39.3 q 160
2018-09-28 01:46:56 C 04 32 23.24 +07 27 40.9 q 160
2018-09-28 01:50:11 C 04 32 21.00 +07 27 42.1 q 160
2018-09-29 01:51:19 C 04 15 41.51 +07 38 10.6 q 160
2018-09-29 01:54:36 C 04 15 39.17 +07 38 11.9 q 160
2018-09-29 01:57:50 C 04 15 36.90 +07 38 12.8 q 160
2018-10-01 14:13:22 C 03 33 58.58 +07 53 38.5 U T08
2018-10-01 14:21:41 C 03 33 52.85 +07 53 39.4 U T08
2018-10-01 14:27:54 C 03 33 48.59 +07 53 40.2 U T08
2018-10-01 14:36:16 C 03 33 42.81 +07 53 41.0 U T08
2018-10-01 14:42:25 C 03 33 38.59 +07 53 41.6 U T08
2018-10-01 14:50:51 C 03 33 32.79 +07 53 42.6 U T08
2018-10-01 14:56:55 C 03 33 28.62 +07 53 43.3 U T08
2018-10-01 15:05:15 C 03 33 22.89 +07 53 44.1 U T08
2018-10-02 13:53:33 C 03 18 10.22 +07 55 02.5 r P93
2018-10-02 13:56:40 C 03 18 08.13 +07 55 02.8 r P93
2018-10-02 13:57:23 C 03 18 05.28 +07 55 14.1 U T08
2018-10-02 13:58:15 C 03 18 07.09 +07 55 02.9 r P93
2018-10-02 14:01:50 C 03 18 02.30 +07 55 14.1 U T08
2018-10-02 14:03:23 C 03 18 01.26 +07 55 14.1 U T08
2018-10-02 14:25:01 C 03 17 46.78 +07 55 14.4 U T08
2018-10-02 14:49:12 C 03 17 33.18 +07 55 04.5 r P93
2018-10-02 15:06:49 C 03 17 21.46 +07 55 04.9 r P93
2018-10-02 15:50:07 C 03 16 52.60 +07 55 06.0 r P93
2018-10-02 16:06:24 C 03 16 41.74 +07 55 06.2 r P93
2018-10-03 13:43:35 C 03 02 40.87 +07 54 32.0 U T05
2018-10-03 13:58:09 C 03 02 31.47 +07 54 30.8 U T05
2018-10-03 14:12:39 C 03 02 22.12 +07 54 29.6 U T05
2018-10-03 14:27:08 C 03 02 12.77 +07 54 28.4 U T05
2018-10-03 22:00:22 C 02 57 29.08 +07 53 30.9 u 557
2018-10-03 22:11:21 C 02 57 22.04 +07 53 32.9 t 073
2018-10-03 22:58:13 C 02 56 52.42 +07 53 28.2 t 073
2018-10-03 23:30:26 C 02 56 32.25 +07 53 22.2 u 557
2018-10-03 23:48:38 C 02 56 20.50 +07 53 23.1 t 073
2018-10-04 00:00:19 C 02 56 13.39 +07 53 19.1 u 557
2018-10-04 00:30:48 C 02 55 54.19 +07 53 15.6 u 557
2018-10-04 00:37:53 C 02 55 49.83 +07 53 18.3 q 160
2018-10-04 00:39:06 C 02 55 48.59 +07 53 17.6 t 073
2018-10-04 00:41:04 C 02 55 47.84 +07 53 17.8 q 160
2018-10-04 00:44:18 C 02 55 45.81 +07 53 17.5 q 160