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
2021-10-29 18:11:46 C 08 06 17.539 +04 53 12.16 V P07
2021-10-29 18:40:29 C 08 06 24.228 +04 52 55.20 V P07
2021-10-29 19:21:00 C 08 06 33.674 +04 52 32.38 V P07
2021-10-29 19:50:14 C 08 06 40.522 +04 52 14.48 V P07
2021-10-29 19:50:33 C 08 06 40.577 +04 52 14.20 V P07
2021-10-29 20:19:52 C 08 06 47.414 +04 51 57.96 V P07
2021-10-31 14:16:09 C 08 16 54.83 +04 26 27.8 V T05
2021-10-31 14:22:08 C 08 16 56.29 +04 26 24.4 V T05
2021-10-31 14:32:49 C 08 16 58.87 +04 26 17.6 V T05
2021-10-31 15:06:00 C 08 17 06.92 +04 25 57.1 V T05
2021-11-02 02:25:41 S 08 25 56.93 +04 03 37.0 L C51
2021-11-02 05:34:00 S 08 26 44.93 +04 01 34.5 L C51
2021-11-02 08:42:08 S 08 27 33.02 +03 59 31.3 L C51
2021-11-02 11:49:32 S 08 28 21.04 +03 57 27.7 L C51
2021-11-02 11:49:43 S 08 28 21.091 +03 57 27.94 L C51
2021-11-02 13:47:20 C 08 28 52.37 +03 56 03.1 V T08
2021-11-02 13:57:58 C 08 28 55.10 +03 55 56.1 V T08
2021-11-02 14:14:20 C 08 28 59.24 +03 55 45.3 V T08
2021-11-02 14:21:41 C 08 29 01.10 +03 55 40.5 V T08
2021-11-02 14:58:35 S 08 29 09.65 +03 55 24.2 L C51
2021-11-02 18:06:43 S 08 29 58.15 +03 53 19.7 L C51
2021-11-02 21:14:51 S 08 30 46.82 +03 51 14.3 L C51
2021-11-03 00:23:10 S 08 31 35.61 +03 49 09.1 L C51
2021-11-03 01:57:14 S 08 32 00.05 +03 48 06.3 L C51
2021-11-03 03:30:34 S 08 32 24.33 +03 47 03.1 L C51
2021-11-03 05:04:38 S 08 32 48.82 +03 45 59.6 L C51
2021-11-03 06:39:26 S 08 33 13.58 +03 44 57.1 L C51
2021-11-03 08:13:31 S 08 33 38.14 +03 43 53.4 L C51
2021-11-03 09:47:45 S 08 34 02.832 +03 42 50.00 L C51
2021-11-03 09:59:01 C 08 34 06.91 +03 42 31.5 V 703
2021-11-03 10:06:39 C 08 34 08.88 +03 42 25.7 V 703
2021-11-03 10:14:17 C 08 34 10.87 +03 42 20.9 V 703
2021-11-03 10:21:55 C 08 34 12.85 +03 42 15.6 V 703
2021-11-03 12:55:09 S 08 34 51.95 +03 40 42.3 L C51
2021-11-03 14:29:57 S 08 35 16.86 +03 39 38.6 L C51
2021-11-03 16:04:01 S 08 35 41.61 +03 38 34.9 L C51
2021-11-03 17:38:05 S 08 36 06.41 +03 37 31.1 L C51
2021-11-03 20:46:24 S 08 36 56.11 +03 35 22.3 L C51
2021-11-03 23:54:32 S 08 37 45.93 +03 33 13.2 L C51
2021-11-04 03:02:07 S 08 38 35.73 +03 31 03.9 L C51
2021-11-04 06:11:00 S 08 39 26.01 +03 28 54.0 L C51
2021-11-04 09:19:07 S 08 40 16.231 +03 26 43.58 L C51
2021-11-04 14:25:10 C 08 41 39.21 +03 23 02.1 V T05
2021-11-04 14:29:46 C 08 41 40.41 +03 22 58.9 V T05
2021-11-04 14:38:21 C 08 41 42.71 +03 22 52.9 V T05
2021-11-04 15:02:46 C 08 41 49.16 +03 22 35.5 V T05
2021-11-06 13:14:37 C 08 54 29.30 +02 49 28.5 V T08
2021-11-06 13:19:15 C 08 54 30.63 +02 49 25.7 V T08
2021-11-06 13:27:54 C 08 54 33.01 +02 49 18.8 V T08
2021-11-06 13:42:31 C 08 54 37.02 +02 49 07.6 V T08