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
2014-10-04 11:26:38 C 03 11 56.12 +32 17 05.9 q G96
2014-10-05 03:46:45 C 03 10 25.44 +32 18 57.3 t G36
2014-10-05 04:15:51 C 03 10 22.69 +32 19 00.6 t G36
2014-10-05 04:44:49 C 03 10 19.97 +32 19 03.4 t G36
2014-10-26 09:13:58 C 02 14 48.19 +31 35 04.8 R G45
2014-10-26 09:15:14 C 02 14 48.00 +31 35 04.2 R G45
2014-10-26 09:30:04 C 02 14 46.28 +31 34 58.9 R G45
2014-10-26 09:31:20 C 02 14 46.07 +31 34 59.0 R G45
2014-10-26 09:47:25 C 02 14 44.21 +31 34 53.3 R G45
2014-10-26 10:19:32 C 02 14 40.49 +31 34 44.3 R G45
2014-10-28 11:24:52 C 02 09 01.319 +31 19 20.63 L F51
2014-10-28 11:43:37 C 02 08 59.129 +31 19 14.33 L F51
2014-10-28 12:02:20 C 02 08 56.948 +31 19 07.97 L F51
2014-10-28 12:21:15 C 02 08 54.749 +31 19 01.50 L F51
2014-11-25 03:08:37 C 01 08 09.32 +26 09 05.7 q G96
2014-11-25 03:19:09 C 01 08 08.71 +26 09 00.0 q G96
2014-11-25 03:29:41 C 01 08 08.05 +26 08 55.9 q G96
2014-11-25 03:40:14 C 01 08 07.34 +26 08 50.1 q G96
2014-11-27 01:31:32 C 01 05 25.75 +25 46 35.1 q G96
2014-11-27 01:43:35 C 01 05 25.08 +25 46 29.4 q G96
2014-11-27 01:55:38 C 01 05 24.35 +25 46 23.1 q G96
2014-11-27 02:07:40 C 01 05 23.69 +25 46 18.2 q G96
2015-12-09 01:27:17 C 22 46 23.08 -05 51 24.8 q G96
2015-12-09 01:34:50 C 22 46 23.76 -05 51 17.6 q G96
2015-12-09 01:42:24 C 22 46 24.42 -05 51 10.8 q G96
2015-12-09 01:49:57 C 22 46 25.14 -05 51 03.9 q G96
2016-01-03 01:55:12 C 23 32 20.71 +01 18 12.6 q G96
2016-01-03 02:03:07 C 23 32 21.22 +01 18 17.2 q G96
2016-01-03 02:09:42 C 23 32 21.66 +01 18 21.1 q G96
2016-01-03 02:16:19 C 23 32 22.06 +01 18 25.1 q G96
2016-12-28 04:45:20 S 23 51 45.42 +47 19 51.5 L C51
2016-12-28 11:02:30 S 23 51 10.11 +47 09 22.1 L C51
2016-12-28 11:02:42 S 23 51 10.16 +47 09 20.7 L C51
2016-12-28 14:11:12 S 23 50 52.62 +47 04 07.2 L C51
2016-12-28 15:45:27 S 23 50 43.98 +47 01 28.7 L C51
2016-12-28 15:45:38 S 23 50 43.91 +47 01 29.3 L C51
2016-12-28 18:54:08 S 23 50 26.68 +46 56 14.9 L C51
2017-01-16 00:02:39 C 23 26 23.79 +35 49 25.6 q I15
2017-01-16 00:11:59 C 23 26 23.47 +35 49 11.6 q I15
2017-01-16 00:21:19 C 23 26 23.15 +35 48 59.1 q I15
2017-10-11 08:44:00 C 03 15 50.61 +36 10 46.1 U G96
2017-10-11 08:50:47 C 03 15 50.01 +36 10 47.0 U G96
2017-10-11 08:57:32 C 03 15 49.38 +36 10 47.9 U G96
2017-10-11 09:04:19 C 03 15 48.76 +36 10 48.5 U G96
2017-10-28 08:39:21 C 02 33 32.742 +36 01 31.83 L F51
2017-10-28 08:56:49 C 02 33 30.768 +36 01 28.59 L F51
2017-10-28 09:31:53 C 02 33 26.751 +36 01 21.98 L F51
2017-10-29 07:31:13 C 02 30 58.47 +35 56 54.4 U G96
2017-10-29 07:40:04 C 02 30 57.49 +35 56 52.4 U G96
2017-10-29 07:48:56 C 02 30 56.44 +35 56 50.6 U G96