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
2013-10-30 07:21:37 C 03 13 26.13 +17 14 52.9 q 703
2013-10-30 07:28:12 C 03 13 24.83 +17 14 59.4 q 703
2013-10-30 07:34:44 C 03 13 23.73 +17 15 06.9 q 703
2013-10-30 07:41:18 C 03 13 22.54 +17 15 13.2 q 703
2013-10-30 11:29:29 C 03 12 46.268 +17 19 25.20 t 568
2013-10-30 11:30:51 C 03 12 46.015 +17 19 26.56 t 568
2013-10-30 11:32:14 C 03 12 45.761 +17 19 27.91 t 568
2013-10-30 20:09:18 C 03 11 33.45 +17 26 59.3 q A13
2013-10-30 20:34:24 C 03 11 29.45 +17 27 24.8 q A13
2013-10-30 20:59:36 C 03 11 25.37 +17 27 51.4 q A13
2013-10-31 00:05:33 C 03 10 53.86 +17 30 56.7 q 595
2013-10-31 00:43:37 C 03 10 47.47 +17 31 32.0 q 595
2013-10-31 04:31:15 C 03 10 20.42 +17 35 19.5 o 691
2013-10-31 04:56:46 C 03 10 16.29 +17 35 45.8 o 691
2013-10-31 05:32:15 C 03 10 10.50 +17 36 21.0 o 691
2013-10-31 06:02:00 C 03 10 06.04 +17 36 44.6 t 673
2013-10-31 06:11:27 C 03 10 04.45 +17 36 54.2 t 673
2013-10-31 10:41:47 C 03 09 18.71 +17 41 03.2 o 291
2013-10-31 10:43:24 C 03 09 18.45 +17 41 04.6 o 291
2013-10-31 10:45:01 C 03 09 18.20 +17 41 05.9 o 291
2013-11-02 05:42:31 C 03 03 38.18 +18 16 37.9 u H21
2013-11-02 05:54:06 C 03 03 36.46 +18 16 46.9 u H21
2013-11-02 06:05:41 C 03 03 34.75 +18 16 55.6 u H21
2013-11-02 06:08:03 C 03 03 36.54 +18 17 07.7 o 926
2013-11-02 06:31:03 C 03 03 33.15 +18 17 26.3 o 926
2013-11-02 06:51:21 C 03 03 30.14 +18 17 42.3 o 926
2013-11-06 05:35:55 C 02 53 06.32 +19 16 55.8 o 926
2013-11-06 05:58:25 C 02 53 03.74 +19 17 07.8 o 926
2013-11-06 06:18:54 C 02 53 01.38 +19 17 19.3 o 926
2013-11-12 09:17:07 C 02 41 38.55 +20 14 56.3 o 926
2013-11-12 09:37:22 C 02 41 37.10 +20 15 01.5 o 926
2013-11-12 09:59:28 C 02 41 35.46 +20 15 07.0 o 926
2017-04-02 10:07:15 C 12 30 48.60 +02 16 49.7 1 T09
2017-04-02 10:56:45 C 12 30 43.33 +02 17 11.9 1 T09
2017-04-02 11:54:43 C 12 30 37.16 +02 17 37.7 1 T09
2017-10-17 09:39:29 C 00 35 04.12 -28 11 22.5 L T08
2017-10-17 09:50:45 C 00 35 08.18 -28 08 23.5 L T08
2017-10-17 10:01:58 C 00 35 12.26 -28 05 24.1 L T08
2017-10-17 10:12:38 C 00 35 16.08 -28 02 34.8 L T08
2017-10-18 10:17:49 C 00 45 07.21 -22 06 14.2 v Q62
2017-10-18 10:22:11 C 00 45 08.44 -22 05 16.4 v Q62
2017-10-18 10:26:34 C 00 45 09.74 -22 04 18.5 v Q62
2017-10-18 11:58:52 C 00 45 34.63 -21 43 51.9 q E23
2017-10-18 12:08:51 C 00 45 37.34 -21 41 40.2 q E23
2017-10-18 12:18:50 C 00 45 40.04 -21 39 28.2 q E23
2017-10-22 09:29:09 C 01 07 10.54 -06 33 47.1 T08
2017-10-22 09:39:20 C 01 07 11.58 -06 32 36.4 T08
2017-10-22 09:49:33 C 01 07 12.62 -06 31 24.7 T08
2017-10-22 10:00:02 C 01 07 13.71 -06 30 11.5 T08
2017-10-23 06:33:52 C 01 10 15.68 -04 16 41.6 U 703