17181 (1999 UM3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6740285265 ± 7.65e-08
Semi-major axis (a)2.3703717975 AU ± 6.99e-09
Inclination (i)10.65320757° ± 1.04e-05
Long. of Asc. Node (Ω)113.55698136° ± 5.93e-05
Arg. of Perihelion (ω)36.77082206° ± 5.91e-05
Mean Anomaly (M)23.98511905° ± 4.58e-06
Mean Motion (n)0.2700769803°/day ± 1.20e-09
Perihelion dist (q)0.77267359 AU ± 1.81e-07
Aphelion dist (Q)3.96807001 AU ± 1.82e-07
Orbital Period3.64942722 yr ± 1.61e-08
Physical Parameters
H (abs. magnitude)16.77
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual1.132″
Uncertainty0
Orbit TypeApollo
MOID0.071891 AU
Observations Used980
Oppositions50
Arc Total1955-2024
First Observation Used1955-10-24
Last Observation Used2024-11-02
Observations (1801)
Date Type RA Dec Mag Band Observatory
2010-10-05 10:46:40 C 05 25 22.68 +06 16 06.0 19.5 c 704
2010-10-05 11:05:56 C 05 25 24.45 +06 16 00.9 20.4 c 704
2010-10-05 11:25:18 C 05 25 26.20 +06 15 55.3 20.1 c 704
2010-10-05 11:44:35 C 05 25 28.01 +06 15 50.0 19.9 c 704
2010-10-05 12:04:36 C 05 25 29.84 +06 15 45.4 19.5 c 704
2010-10-19 04:54:47 C 05 59 01.80 +04 23 44.4 r J75
2010-10-19 05:03:42 C 05 59 02.79 +04 23 40.9 r J75
2010-10-19 05:12:40 C 05 59 03.77 +04 23 37.3 r J75
2010-11-02 10:34:05 C 06 44 47.72 +01 24 19.7 17.4 c 704
2010-11-02 11:09:49 C 06 44 53.34 +01 23 56.0 17.4 c 704
2010-11-02 11:27:42 C 06 44 56.12 +01 23 45.3 17.2 c 704
2010-11-02 11:45:31 C 06 44 58.97 +01 23 33.4 17.3 c 704
2010-11-03 10:46:28 C 06 48 44.95 +01 08 19.0 17.6 c 704
2010-11-03 11:04:39 C 06 48 47.83 +01 08 08.6 19.0 c 704
2010-11-03 11:22:49 C 06 48 50.92 +01 07 54.7 17.9 c 704
2010-11-03 11:40:56 C 06 48 53.76 +01 07 42.4 17.5 c 704
2010-11-04 10:30:42 C 06 52 44.92 +00 52 06.8 17.2 c 704
2010-11-04 10:48:50 C 06 52 47.96 +00 51 54.2 17.4 c 704
2010-11-04 11:07:02 C 06 52 51.02 +00 51 41.7 17.5 c 704
2010-11-04 11:25:13 C 06 52 54.04 +00 51 29.1 17.3 c 704
2010-11-04 11:43:27 C 06 52 57.11 +00 51 16.4 17.3 c 704
2010-11-04 15:34:19 C 06 53 37.66 +00 48 34.3 m 355
2010-11-04 15:35:21 C 06 53 37.77 +00 48 34.2 m 355
2010-11-04 15:39:30 C 06 53 38.59 +00 48 31.1 m 355
2010-11-04 15:41:36 C 06 53 38.82 +00 48 29.3 m 355
2010-11-04 15:45:44 C 06 53 39.62 +00 48 26.9 m 355
2010-11-13 10:17:47 C 07 36 12.60 -02 01 18.4 o H47
2010-11-13 10:24:42 C 07 36 14.20 -02 01 25.4 o H47
2010-11-13 10:30:22 C 07 36 15.53 -02 01 29.9 o H47
2010-11-18 11:32:06 C 08 08 14.84 -04 02 21.3 u 448
2010-11-18 11:32:58 C 08 08 15.10 -04 02 22.1 u 448
2010-11-18 11:33:50 C 08 08 15.34 -04 02 23.1 u 448
2010-11-18 11:34:41 C 08 08 15.60 -04 02 24.1 u 448
2010-11-28 17:56:28 S 09 37 58.078 -08 51 41.00 L C51
2010-12-01 04:39:41 S 10 04 35.102 -10 00 25.34 L C51
2010-12-01 07:50:12 S 10 06 04.363 -10 04 00.30 L C51
2010-12-01 11:00:32 S 10 07 33.828 -10 07 34.25 L C51
2010-12-01 11:00:43 S 10 07 33.917 -10 07 33.89 L C51
2010-12-01 12:35:53 S 10 08 18.739 -10 09 20.59 L C51
2010-12-01 14:11:03 S 10 09 03.638 -10 11 06.79 L C51
2010-12-01 15:46:13 S 10 09 48.595 -10 12 52.78 L C51
2010-12-01 18:56:44 S 10 11 18.804 -10 16 23.84 L C51
2010-12-13 12:31:24 C 12 29 07.54 -13 30 04.0 r 703
2010-12-13 12:40:30 C 12 29 11.65 -13 30 06.4 r 703
2010-12-13 12:49:38 C 12 29 15.82 -13 30 08.1 r 703
2010-12-13 12:58:50 C 12 29 19.96 -13 30 10.1 r 703
2015-06-13 13:07:17 C 20 56 45.889 -17 58 18.62 L F51
2015-06-13 13:23:33 C 20 56 45.470 -17 58 21.82 L F51
2015-06-13 13:39:50 C 20 56 45.015 -17 58 24.78 L F51
2015-06-15 11:34:30 C 20 55 32.514 -18 07 39.59 L F51