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
2005-04-12 06:23:13 C 11 47 32.71 +20 45 05.7 19.5 c 704
2005-04-13 05:20:41 C 11 43 38.29 +19 56 29.6 19.0 c 704
2005-04-13 05:34:43 C 11 43 35.77 +19 56 01.3 19.4 c 704
2005-04-13 05:49:24 C 11 43 33.20 +19 55 28.6 19.0 c 704
2005-04-13 06:03:32 C 11 43 30.77 +19 54 57.7 19.1 c 704
2005-04-13 06:18:08 C 11 43 28.14 +19 54 26.0 19.3 c 704
2008-01-27 09:37:41 C 13 15 20.21 +39 31 09.8 o H55
2008-01-27 09:49:05 C 13 15 20.51 +39 31 13.7 o H55
2008-01-27 10:01:04 C 13 15 20.94 +39 31 19.1 o H55
2017-03-03 02:45:52 C 08 20 04.23 +64 07 49.6 u H21
2017-03-03 03:10:31 C 08 20 02.20 +64 07 24.0 u H21
2017-03-03 03:30:23 C 08 20 00.55 +64 07 03.5 u H21
2020-03-01 01:11:58 C 07 00 23.97 +63 45 45.5 u H21
2020-03-01 01:24:32 C 07 00 23.83 +63 45 32.5 u H21
2020-03-01 01:31:06 C 07 00 23.91 +63 45 25.8 u H21
2022-12-15 13:48:11 C 08 54 39.542 +67 16 22.63 U F52
2022-12-15 14:08:23 C 08 54 38.545 +67 16 43.98 U F52
2022-12-15 14:48:44 C 08 54 36.524 +67 17 26.90 U F52
2025-11-17 07:40:25 C 07 43 12.62 +58 26 10.9 V H21
2025-11-17 08:01:55 C 07 43 12.76 +58 26 38.1 V H21
2025-12-17 08:33:20 C 06 51 42.844 +71 34 39.90 V V00
2025-12-17 08:41:32 C 06 51 41.119 +71 34 45.66 V V00
2025-12-17 08:49:45 C 06 51 39.546 +71 34 51.10 V V00
2025-12-17 08:57:56 C 06 51 37.908 +71 34 56.71 V V00