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
2024-10-22 21:06:38 C 02 07 09.12 +28 50 10.9 V D29
2024-10-25 08:46:10 C 01 59 49.161 +28 28 37.04 X F52
2024-10-25 08:54:44 C 01 59 47.720 +28 28 32.16 V V00
2024-10-25 09:02:49 C 01 59 46.727 +28 28 28.96 V V00
2024-10-25 09:03:21 C 01 59 47.029 +28 28 30.46 X F52
2024-10-25 09:10:54 C 01 59 45.722 +28 28 25.86 V V00
2024-10-25 09:18:58 C 01 59 44.718 +28 28 21.83 V V00
2024-10-25 09:37:49 C 01 59 42.759 +28 28 17.37 X F52
2024-10-26 06:06:03 C 01 57 13.770 +28 20 15.47 V 703
2024-10-26 06:07:11 C 01 57 13.745 +28 20 14.64 V 703
2024-10-26 06:09:25 C 01 57 13.360 +28 20 12.84 V 703
2024-10-26 06:12:48 C 01 57 12.899 +28 20 12.19 V 703
2024-10-26 06:13:56 C 01 57 12.848 +28 20 11.00 V 703
2024-10-26 06:16:10 C 01 57 12.524 +28 20 10.14 V 703
2024-10-26 06:17:19 C 01 57 12.370 +28 20 10.25 V 703
2024-10-27 05:16:49 C 01 54 26.708 +28 10 50.23 V G96
2024-10-27 05:24:21 C 01 54 25.801 +28 10 47.21 V G96
2024-10-27 05:31:52 C 01 54 24.890 +28 10 44.00 V G96
2024-10-27 05:39:24 C 01 54 23.980 +28 10 41.05 V G96
2024-11-01 15:26:15 C 01 39 27.10 +27 12 24.9 V D29
2024-11-01 15:46:37 C 01 39 24.83 +27 12 15.1 V D29
2024-11-03 15:16:11 C 01 34 16.88 +26 49 04.1 V D29
2024-11-03 15:26:22 C 01 34 15.79 +26 48 59.0 V D29
2024-11-03 15:36:33 C 01 34 14.69 +26 48 54.0 V D29
2024-11-05 12:45:46 C 01 29 33.85 +26 26 13.5 V D29
2024-11-05 13:06:08 C 01 29 31.74 +26 26 03.1 V D29
2024-11-05 13:26:30 C 01 29 29.64 +26 25 52.9 V D29
2024-11-06 12:42:50 C 01 27 09.57 +26 14 01.1 V D29
2024-11-06 13:03:12 C 01 27 07.50 +26 13 50.4 V D29
2024-11-06 13:23:34 C 01 27 05.46 +26 13 40.3 V D29
2024-11-20 05:06:06 C 01 00 20.867 +23 26 23.58 X F52
2024-11-20 05:24:28 C 01 00 19.667 +23 26 14.79 X F52
2024-11-20 05:42:50 C 01 00 18.474 +23 26 05.94 X F52
2024-11-21 06:32:38 C 00 58 45.077 +23 14 09.17 V G96
2024-11-21 06:40:05 C 00 58 44.576 +23 14 05.53 V G96
2024-11-21 06:49:16 C 00 58 44.022 +23 14 01.32 V G96
2024-11-21 06:56:42 C 00 58 43.554 +23 13 57.58 V G96
2024-12-04 03:34:43 C 00 44 40.744 +21 04 48.54 V G96
2024-12-04 03:41:38 C 00 44 40.502 +21 04 46.27 V G96
2024-12-04 03:48:33 C 00 44 40.290 +21 04 44.00 V G96
2024-12-04 03:55:30 C 00 44 40.063 +21 04 41.16 V G96
2024-12-07 03:52:15 C 00 42 39.769 +20 40 28.96 V G96
2024-12-07 04:00:37 C 00 42 39.553 +20 40 26.22 V G96
2024-12-07 04:08:59 C 00 42 39.323 +20 40 23.38 V G96
2024-12-07 04:17:23 C 00 42 39.114 +20 40 21.36 V G96
2024-12-19 05:00:55 C 00 38 35.477 +19 26 57.77 V V00
2024-12-19 05:08:59 C 00 38 35.430 +19 26 55.79 V V00
2024-12-19 05:17:03 C 00 38 35.405 +19 26 54.35 V V00
2024-12-19 05:25:07 C 00 38 35.358 +19 26 52.62 V V00