2012 US18

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3534431000
Semi-major axis (a)1.1921570000 AU
Inclination (i)3.51856000°
Long. of Asc. Node (Ω)205.43952000°
Arg. of Perihelion (ω)265.89422000°
Mean Anomaly (M)335.34219000°
Mean Motion (n)0.7571882600°/day
Perihelion dist (q)0.77079730 AU
Aphelion dist (Q)1.61351670 AU
Orbital Period1.30166790 yr
Physical Parameters
H (abs. magnitude)28.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.510″
Uncertainty7
Orbit TypeApollo
MOID0.003658 AU
Observations Used25
Oppositions1
Arc Total
First Observation Used
Last Observation Used2012-10-21
Observations (25)
Date Type RA Dec Mag Band Observatory
2012-10-18 06:50:10 C 01 20 47.90 +10 45 08.7 r G96
2012-10-18 06:54:00 C 01 20 47.61 +10 44 45.9 r G96
2012-10-18 06:57:54 C 01 20 47.36 +10 44 23.6 r G96
2012-10-18 07:01:45 C 01 20 46.96 +10 44 00.6 r G96
2012-10-18 07:58:53 C 01 20 42.46 +10 38 22.2 r G96
2012-10-18 07:59:51 C 01 20 42.36 +10 38 15.2 r G96
2012-10-18 08:02:11 C 01 20 42.18 +10 38 01.7 r G96
2012-10-19 06:05:11 C 01 21 12.70 +07 50 21.9 r G96
2012-10-19 06:06:03 C 01 21 12.63 +07 50 13.6 r G96
2012-10-19 06:06:52 C 01 21 12.56 +07 50 05.4 r G96
2012-10-19 06:10:11 C 01 21 12.24 +07 49 33.7 r G96
2012-10-19 06:11:00 C 01 21 12.20 +07 49 25.4 r G96
2012-10-19 06:11:49 C 01 21 12.09 +07 49 18.0 r G96
2012-10-19 06:15:02 C 01 21 11.80 +07 48 46.9 r G96
2012-10-19 06:15:51 C 01 21 11.70 +07 48 38.9 r G96
2012-10-19 06:16:38 C 01 21 11.62 +07 48 30.6 r G96
2012-10-19 06:20:46 C 01 21 11.26 +07 47 51.0 r G96
2012-10-19 06:21:36 C 01 21 11.16 +07 47 43.1 r G96
2012-10-19 07:34:57 C 01 21 02.48 +07 35 24.4 o H01
2012-10-19 07:46:41 C 01 21 01.39 +07 33 25.2 o H01
2012-10-19 07:56:33 C 01 21 00.48 +07 31 44.4 o H01
2012-10-19 08:07:54 C 01 20 59.44 +07 29 48.3 o H01
2012-10-21 00:24:46 C 01 22 40.77 -06 16 13.2 u J95
2012-10-21 00:32:29 C 01 22 40.09 -06 21 24.1 u J95
2012-10-21 00:41:08 C 01 22 39.36 -06 27 13.0 u J95