1993 UD

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1946451795 ± 6.88e-08
Semi-major axis (a)1.3199131529 AU ± 4.38e-09
Inclination (i)22.78956232° ± 1.62e-05
Long. of Asc. Node (Ω)25.01539094° ± 1.17e-05
Arg. of Perihelion (ω)254.89857470° ± 3.78e-05
Mean Anomaly (M)149.48138125° ± 5.70e-05
Mean Motion (n)0.6499713910°/day ± 3.23e-09
Perihelion dist (q)1.06299842 AU ± 9.09e-08
Aphelion dist (Q)1.57682789 AU ± 9.10e-08
Orbital Period1.51641487 yr ± 7.54e-09
Physical Parameters
H (abs. magnitude)20.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.500″
Uncertainty0
Orbit TypeAmor
MOID0.181887 AU
Observations Used72
Oppositions11
Arc Total1993-2025
First Observation Used1993-10-16
Last Observation Used2025-12-17
Observations (74)
Date Type RA Dec Mag Band Observatory
1993-10-16 08:44:32 c 02 43 57.57 +22 11 38.5 i 691
1993-10-16 08:57:22 c 02 43 55.55 +22 11 58.8 i 691
1993-10-16 09:09:59 c 02 43 53.57 +22 12 16.5 i 691
1993-10-19 11:57:08 c 02 32 15.00 +24 01 14.2 i 691
1993-10-19 12:26:16 c 02 32 10.21 +24 01 54.7 i 691
1993-10-20 08:35:21 c 02 28 59.20 +24 29 51.8 i 691
1993-10-20 09:00:11 c 02 28 55.04 +24 30 25.4 i 691
1993-10-20 09:24:36 c 02 28 51.09 +24 30 58.5 i 691
1993-11-06 02:36:49 c 01 27 53.79 +30 59 24.3 i 691
1993-11-06 02:50:27 c 01 27 51.93 +30 59 33.8 i 691
2002-04-10 07:20:21 C 13 50 12.06 -02 05 13.3 18.1 c 704
2002-04-10 07:37:26 C 13 50 08.94 -02 06 01.3 18.1 c 704
2002-04-10 07:54:12 C 13 50 05.88 -02 06 48.0 18.3 c 704
2002-04-10 08:11:10 C 13 50 02.73 -02 07 35.9 18.1 c 704
2002-04-10 08:28:01 C 13 49 59.63 -02 08 22.8 18.5 c 704
2002-04-11 07:19:05 C 13 45 55.58 -03 14 07.0 17.9 c 704
2002-04-11 07:33:00 C 13 45 52.89 -03 14 46.8 17.8 c 704
2002-04-11 07:35:59 C 13 45 52.33 -03 14 56.3 18.5 c 704
2002-04-11 07:49:57 C 13 45 49.62 -03 15 36.7 18.4 c 704
2002-04-11 07:52:42 C 13 45 49.12 -03 15 45.4 18.4 c 704
2002-04-11 08:06:53 C 13 45 46.36 -03 16 26.1 18.2 c 704
2002-04-11 08:23:48 C 13 45 43.13 -03 17 16.0 18.0 c 704
2002-04-11 08:25:33 C 13 45 42.79 -03 17 21.3 18.3 c 704
2002-04-11 08:40:43 C 13 45 39.88 -03 18 05.7 18.2 c 704
2002-04-14 07:56:38 C 13 31 48.33 -06 59 17.5 c 644
2002-04-14 08:34:33 C 13 31 40.10 -07 01 21.1 c 644
2002-04-15 09:11:44 C 13 26 28.71 -08 22 55.5 c 644
2002-04-15 09:43:28 C 13 26 21.57 -08 24 43.0 c 644
2002-04-18 06:41:59 C 13 10 51.81 -12 24 40.1 c 670
2002-04-18 08:25:26 C 13 10 26.32 -12 30 51.3 c 670
2002-04-21 05:29:36 C 12 53 34.73 -16 42 09.0 c 670
2002-04-21 07:46:29 C 12 52 58.69 -16 50 34.1 c 670
2002-10-04 11:22:24 C 22 35 29.02 -48 28 34.2 c 474
2002-10-04 11:25:09 C 22 35 28.89 -48 28 24.2 c 474
2002-10-04 11:28:00 C 22 35 28.80 -48 28 14.3 c 474
2002-10-05 12:43:20 C 22 34 38.19 -47 01 06.0 c 474
2002-10-05 12:45:43 C 22 34 38.07 -47 00 57.9 c 474
2002-10-05 12:48:00 C 22 34 38.00 -47 00 53.4 c 474
2002-10-05 12:52:11 C 22 34 37.99 -47 00 35.7 c 474
2004-12-15 11:29:19 C 12 25 42.35 +30 14 40.1 645
2004-12-15 11:30:31 C 12 25 42.46 +30 14 39.9 645
2004-12-15 11:34:06 C 12 25 42.77 +30 14 39.4 645
2005-04-01 06:46:05 C 12 34 17.15 +28 05 00.1 r 703
2005-04-01 06:59:49 C 12 34 14.68 +28 04 43.3 r 703
2005-04-01 07:13:48 C 12 34 12.09 +28 04 26.4 r 703
2005-04-01 07:27:34 C 12 34 09.61 +28 04 08.9 r 703
2005-04-12 05:24:45 C 11 47 43.23 +20 47 09.2 18.9 c 704
2005-04-12 05:38:47 C 11 47 40.70 +20 46 38.5 19.4 c 704
2005-04-12 05:52:41 C 11 47 38.15 +20 46 10.6 19.6 c 704
2005-04-12 06:06:58 C 11 47 35.51 +20 45 39.7 19.8 c 704