2009 UL1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4314314905 ± 1.24e-06
Semi-major axis (a)1.3523601278 AU ± 8.94e-09
Inclination (i)33.51679041° ± 7.38e-05
Long. of Asc. Node (Ω)201.32057888° ± 5.32e-06
Arg. of Perihelion (ω)272.09556027° ± 1.63e-04
Mean Anomaly (M)42.46376533° ± 2.78e-05
Mean Motion (n)0.6267202674°/day ± 6.21e-09
Perihelion dist (q)0.76890938 AU ± 1.68e-06
Aphelion dist (Q)1.93581087 AU ± 1.68e-06
Orbital Period1.57267338 yr ± 1.56e-08
Physical Parameters
H (abs. magnitude)23.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.240″
Uncertainty0
Orbit TypeApollo
MOID0.064538 AU
Observations Used56
Oppositions4
Arc Total2009-2020
First Observation Used2009-10-17
Last Observation Used2020-10-20
Observations (61)
Date Type RA Dec Mag Band Observatory
2020-10-17 05:13:34 C 23 58 50.16 +00 32 06.2 V G96
2020-10-17 05:21:07 C 23 58 49.12 +00 30 40.0 V G96
2020-10-17 05:28:39 C 23 58 48.10 +00 29 16.5 V G96
2020-10-17 05:36:11 C 23 58 47.06 +00 27 51.2 V G96
2020-10-18 05:25:17 C 23 55 49.52 -04 07 25.6 V G96
2020-10-18 05:32:48 C 23 55 48.46 -04 08 54.5 V G96
2020-10-18 05:40:20 C 23 55 47.37 -04 10 23.7 V G96
2020-10-18 05:47:48 C 23 55 46.25 -04 11 52.9 V G96
2020-10-20 06:57:25 C 23 49 16.303 -14 19 33.98 U F51
2020-10-20 07:13:37 C 23 49 13.750 -14 23 00.78 U F51
2020-10-20 07:29:50 C 23 49 11.176 -14 26 27.59 U F51