2001 UD18

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4397272000
Semi-major axis (a)1.7964319000 AU
Inclination (i)2.75531000°
Long. of Asc. Node (Ω)211.67924000°
Arg. of Perihelion (ω)184.02811000°
Mean Anomaly (M)0.56976000°
Mean Motion (n)0.4093435300°/day
Perihelion dist (q)1.00649190 AU
Aphelion dist (Q)2.58637190 AU
Orbital Period2.40777630 yr
Physical Parameters
H (abs. magnitude)27.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.970″
Uncertainty7
Orbit TypeAmor
MOID0.011369 AU
Observations Used9
Oppositions1
Arc Total
First Observation Used
Last Observation Used2001-10-27
Observations (14)
Date Type RA Dec Mag Band Observatory
2001-10-26 07:26:19 C 02 09 15.47 +09 03 50.7 d 691
2001-10-26 08:00:58 C 02 10 38.28 +09 04 50.7 d 691
2001-10-26 08:33:17 C 02 11 55.60 +09 05 45.4 d 691
2001-10-26 10:56:59 C 02 17 42.20 +09 09 16.1 d 691
2001-10-26 11:04:12 C 02 18 00.13 +09 09 27.8 d 691
2001-10-26 11:11:13 C 02 18 17.48 +09 09 36.2 d 691
2001-10-27 05:56:41 C 03 05 38.55 +09 27 47.3 d 691
2001-10-27 06:02:57 C 03 05 52.27 +09 27 51.0 d 691
2001-10-27 07:25:24 C 03 08 55.08 +09 28 26.4 d 691
2001-10-27 07:38:40 C 03 09 24.73 +09 28 29.6 d 691
2001-10-27 07:50:48 C 03 09 51.54 +09 28 32.7 d 691
2001-10-27 10:57:39 C 03 16 39.55 +09 28 35.6 d 691
2001-10-27 11:03:28 C 03 16 52.31 +09 28 34.8 d 691
2001-10-27 11:10:33 C 03 17 07.35 +09 28 33.4 d 691