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
2021-11-21 22:25:05 S 10 51 27.175 -02 14 59.96 V C57
2021-11-21 22:25:05 s 1 +177130.21 9 +155538.52 4980.0 C57
2021-11-21 22:35:05 S 10 51 30.679 -02 15 01.87 V C57
2021-11-21 22:35:05 s 1 +177116.60 8 +156290.64 390.0 C57
2021-11-21 22:45:05 S 10 51 34.361 -02 15 14.40 V C57
2021-11-21 22:45:05 s 1 +177101.25 3 +157041.23 9510.0 C57
2021-11-21 22:55:05 S 10 51 37.915 -02 15 22.43 V C57
2021-11-21 22:55:05 s 1 +177084.16 5 +157790.30 2390.0 C57
2021-11-21 23:05:05 S 10 51 41.126 -02 15 26.03 V C57
2021-11-21 23:05:05 s 1 +177065.35 4 +158537.83 9050.0 C57
2021-11-21 23:15:05 S 10 51 44.894 -02 15 38.27 V C57
2021-11-21 23:15:05 s 1 +177044.82 8 +159283.84 9530.0 C57
2021-11-21 23:25:05 S 10 51 48.247 -02 15 43.52 V C57
2021-11-21 23:25:05 s 1 +177022.59 9 +160028.32 3870.0 C57
2021-11-21 23:45:05 S 10 51 55.694 -02 16 07.90 V C57
2021-11-21 23:45:05 s 1 +176973.06 6 +161512.72 4270.0 C57
2021-11-21 23:55:05 S 10 51 59.414 -02 16 19.70 V C57
2021-11-21 23:55:05 s 1 +176945.78 3 +162252.63 400.0 C57
2021-11-22 00:05:05 S 10 52 02.234 -02 16 28.02 V C57
2021-11-22 00:05:05 s 1 +176916.83 3 +162991.03 520.0 C57
2021-11-22 00:15:05 S 10 52 05.791 -02 16 38.78 V C57
2021-11-22 00:15:05 s 1 +176886.22 8 +163727.90 4690.0 C57
2021-11-22 00:25:05 S 10 52 09.478 -02 16 42.49 V C57
2021-11-22 00:25:05 s 1 +176853.97 5 +164463.26 2920.0 C57
2021-11-22 00:35:05 S 10 52 13.140 -02 16 50.95 V C57
2021-11-22 00:35:05 s 1 +176820.08 5 +165197.11 5250.0 C57
2021-11-22 01:05:05 S 10 52 23.177 -02 17 15.97 V C57
2021-11-22 01:05:05 s 1 +176708.67 9 +167389.57 7210.0 C57
2021-11-22 01:25:05 S 10 52 30.302 -02 17 34.55 V C57
2021-11-22 01:25:05 s 1 +176626.38 6 +168843.66 9650.0 C57
2021-11-22 01:35:05 S 10 52 33.912 -02 17 39.80 V C57
2021-11-22 01:35:05 s 1 +176582.85 9 +169568.44 7300.0 C57
2021-11-22 01:55:05 S 10 52 40.634 -02 18 04.90 V C57
2021-11-22 01:55:05 s 1 +176491.09 0 +171013.50 5640.0 C57
2021-11-22 02:15:05 S 10 52 47.902 -02 18 17.68 V C57
2021-11-22 02:15:05 s 1 +176393.09 1 +172452.55 1570.0 C57
2021-11-22 02:25:05 S 10 52 51.847 -02 18 20.88 V C57
2021-11-22 02:25:05 s 1 +176341.77 6 +173169.83 1210.0 C57
2021-11-22 02:55:05 S 10 53 02.016 -02 19 00.48 V C57
2021-11-22 02:55:05 s 1 +176178.67 1 +175312.69 7200.0 C57
2021-11-22 03:35:05 S 10 53 16.181 -02 19 23.41 V C57
2021-11-22 03:35:05 s 1 +175940.13 5 +178148.95 6160.0 C57
2021-11-22 03:45:05 S 10 53 19.351 -02 19 44.29 V C57
2021-11-22 03:45:05 s 1 +175876.79 3 +178854.30 2580.0 C57
2021-11-22 04:15:05 S 10 53 30.146 -02 20 04.38 V C57
2021-11-22 04:15:05 s 1 +175677.99 9 +180961.45 340.0 C57
2021-11-22 04:45:05 S 10 53 40.543 -02 20 31.60 V C57
2021-11-22 04:45:05 s 1 +175466.21 3 +183055.29 1470.0 C57
2021-11-22 05:15:05 S 10 53 51.264 -02 20 53.77 V C57
2021-11-22 05:15:05 s 1 +175241.64 2 +185135.86 6710.0 C57