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
2023-12-12 04:59:09 C 01 23 05.914 +39 11 27.67 V G96
2023-12-12 05:07:20 C 01 23 05.276 +39 11 21.84 V G96
2023-12-13 05:43:33 C 01 21 16.085 +38 53 47.85 X F52
2023-12-13 06:00:35 C 01 21 14.827 +38 53 35.36 X F52
2023-12-13 06:17:36 C 01 21 13.567 +38 53 23.49 X F52
2023-12-13 06:34:43 C 01 21 12.280 +38 53 11.39 X F52
2023-12-17 07:02:54 C 01 14 48.945 +37 44 55.28 X F51
2023-12-17 07:20:52 C 01 14 47.837 +37 44 42.69 X F51
2023-12-17 07:40:19 C 01 14 46.630 +37 44 28.99 X F51
2023-12-17 07:58:22 C 01 14 45.492 +37 44 16.34 X F51
2024-01-03 04:21:00 C 00 59 45.672 +33 33 23.62 V G96
2024-01-03 04:28:20 C 00 59 45.539 +33 33 19.80 V G96
2024-01-03 04:35:41 C 00 59 45.420 +33 33 15.84 V G96
2024-01-03 04:43:04 C 00 59 45.294 +33 33 11.95 V G96
2024-09-10 10:06:14 C 03 47 08.099 +27 59 16.84 V G96
2024-09-10 10:12:17 C 03 47 07.793 +27 59 18.46 V G96
2024-09-10 10:18:20 C 03 47 07.498 +27 59 20.54 V G96
2024-09-10 10:24:24 C 03 47 07.177 +27 59 22.52 V G96
2024-09-27 08:15:01 C 03 18 20.038 +29 39 48.46 V G96
2024-09-27 08:22:29 C 03 18 19.325 +29 39 49.43 V G96
2024-09-27 08:29:58 C 03 18 18.623 +29 39 51.08 V G96
2024-09-27 08:37:28 C 03 18 17.896 +29 39 52.09 V G96
2024-10-01 07:57:40 C 03 08 54.668 +29 51 57.28 V G96
2024-10-01 08:05:05 C 03 08 53.869 +29 51 57.60 V G96
2024-10-01 08:12:30 C 03 08 53.102 +29 51 58.79 V G96
2024-10-01 08:19:55 C 03 08 52.328 +29 51 59.58 V G96
2024-10-05 14:36:06 C 02 57 48.737 +29 57 47.29 X F52
2024-10-05 14:46:35 C 02 57 47.542 +29 57 47.47 X F52
2024-10-05 14:57:03 C 02 57 46.339 +29 57 47.58 X F52
2024-10-05 15:07:32 C 02 57 45.144 +29 57 47.55 X F52
2024-10-12 09:46:10 C 02 38 33.054 +29 49 14.31 X F51
2024-10-12 10:04:50 C 02 38 30.738 +29 49 12.15 X F51
2024-10-12 10:23:36 C 02 38 28.391 +29 49 09.79 X F51
2024-10-15 04:02:08 C 02 30 20.999 +29 39 00.47 V G96
2024-10-15 04:09:36 C 02 30 20.056 +29 38 59.14 V G96
2024-10-15 04:17:06 C 02 30 19.163 +29 38 58.60 V G96
2024-10-15 04:24:35 C 02 30 18.155 +29 38 56.36 V G96
2024-10-15 13:13:56 C 02 29 11.369 +29 37 19.93 X F51
2024-10-15 13:28:55 C 02 29 09.479 +29 37 16.92 X F51
2024-10-15 13:43:51 C 02 29 07.618 +29 37 13.83 X F51
2024-10-15 13:58:48 C 02 29 05.688 +29 37 10.83 X F51
2024-10-21 08:29:16 C 02 11 43.602 +29 02 10.49 X F51
2024-10-21 08:40:51 C 02 11 42.128 +29 02 07.17 X F51
2024-10-21 08:52:29 C 02 11 40.667 +29 02 03.52 X F51
2024-10-21 13:04:06 C 02 11 08.660 +29 00 44.31 X F52
2024-10-21 13:16:32 C 02 11 07.076 +29 00 40.27 X F52
2024-10-21 13:28:57 C 02 11 05.510 +29 00 36.25 X F52
2024-10-21 13:41:26 C 02 11 03.946 +29 00 31.94 X F52
2024-10-22 20:14:55 C 02 07 15.52 +28 50 30.1 V D29
2024-10-22 20:35:16 C 02 07 12.88 +28 50 22.1 V D29