2013 UM9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2466721598 ± 5.58e-08
Semi-major axis (a)1.2159720363 AU ± 3.64e-09
Inclination (i)2.96258965° ± 6.49e-06
Long. of Asc. Node (Ω)38.58026958° ± 1.92e-05
Arg. of Perihelion (ω)283.99707735° ± 2.49e-05
Mean Anomaly (M)52.75606765° ± 1.81e-05
Mean Motion (n)0.7350669471°/day ± 3.30e-09
Perihelion dist (q)0.91602559 AU ± 6.79e-08
Aphelion dist (Q)1.51591848 AU ± 6.80e-08
Orbital Period1.34086601 yr ± 6.02e-09
Physical Parameters
H (abs. magnitude)24.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.311″
Uncertainty0
Orbit TypeApollo
MOID0.018121 AU
Observations Used68
Oppositions1
Arc Total2013-2017
First Observation Used2013-10-30
Last Observation Used2017-11-15
Observations (68)
Date Type RA Dec Mag Band Observatory
2017-10-23 06:41:53 C 01 10 16.44 -04 15 53.7 U 703
2017-10-23 06:49:48 C 01 10 17.14 -04 15 05.5 U 703
2017-10-23 06:57:42 C 01 10 17.91 -04 14 17.1 U 703
2017-10-26 06:33:46 C 01 18 18.67 +01 40 18.6 U 703
2017-10-26 06:41:36 C 01 18 19.11 +01 40 49.6 U 703
2017-10-26 06:49:26 C 01 18 19.59 +01 41 20.5 U 703
2017-10-27 06:33:49 C 01 20 23.83 +03 10 40.1 o 691
2017-10-27 06:52:11 C 01 20 24.70 +03 11 44.8 o 691
2017-10-28 07:20:11 C 01 22 18.15 +04 32 53.6 o 691
2017-10-28 07:38:34 C 01 22 18.94 +04 33 50.9 o 691
2017-10-28 07:56:40 C 01 22 19.71 +04 34 46.7 o 691
2017-10-29 03:56:41 C 01 23 52.04 +05 34 01.4 U 703
2017-10-29 04:04:36 C 01 23 52.32 +05 34 23.6 U 703
2017-10-29 04:12:22 C 01 23 52.65 +05 34 45.7 U 703
2017-11-15 05:25:25 C 01 42 02.23 +15 11 51.4 U G96
2017-11-15 05:32:53 C 01 42 02.42 +15 11 56.3 U G96
2017-11-15 05:40:24 C 01 42 02.58 +15 12 01.5 U G96
2017-11-15 05:47:55 C 01 42 02.72 +15 12 06.7 U G96