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
2021-11-17 09:13:56 S 10 14 34.632 -00 45 36.76 V C57
2021-11-17 09:13:56 s 1 -165044.84 2 +195773.17 5480.0 C57
2021-11-17 09:23:56 S 10 14 37.490 -00 45 47.41 V C57
2021-11-17 09:23:56 s 1 -165161.64 5 +195093.65 3200.0 C57
2021-11-17 09:33:56 S 10 14 40.886 -00 45 57.85 V C57
2021-11-17 09:33:56 s 1 -165277.15 5 +194412.61 5820.0 C57
2021-11-17 09:43:56 S 10 14 44.069 -00 46 04.84 V C57
2021-11-17 09:43:56 s 1 -165391.36 3 +193730.02 3320.0 C57
2021-11-17 10:03:56 S 10 14 50.369 -00 46 24.10 V C57
2021-11-17 10:03:56 s 1 -165615.84 7 +192360.25 2810.0 C57
2021-11-17 10:13:56 S 10 14 53.556 -00 46 32.23 V C57
2021-11-17 10:13:56 s 1 -165726.10 8 +191673.05 4760.0 C57
2021-11-17 10:23:56 S 10 14 56.434 -00 46 41.52 V C57
2021-11-17 10:23:56 s 1 -165835.03 9 +190984.31 1470.0 C57
2021-11-17 10:27:10 C 10 14 40.89 -00 43 47.4 V 703
2021-11-17 10:34:21 C 10 14 43.24 -00 43 53.6 V 703
2021-11-17 10:41:32 C 10 14 45.56 -00 43 59.9 V 703
2021-11-17 10:43:56 S 10 15 02.940 -00 47 00.85 V C57
2021-11-17 10:43:56 s 1 -166048.88 1 +189602.20 9070.0 C57
2021-11-17 10:48:43 C 10 14 47.92 -00 44 05.7 V 703
2021-11-17 10:53:56 S 10 15 06.223 -00 47 05.03 V C57
2021-11-17 10:53:56 s 1 -166153.77 6 +188908.82 9900.0 C57
2021-11-17 11:23:56 S 10 15 15.787 -00 47 36.53 V C57
2021-11-17 11:23:56 s 1 -166460.27 1 +186819.38 160.0 C57
2021-11-17 11:33:56 S 10 15 19.406 -00 47 44.48 V C57
2021-11-17 11:33:56 s 1 -166559.68 0 +186119.80 9410.0 C57
2021-11-17 11:53:56 S 10 15 25.286 -00 47 58.34 V C57
2021-11-17 11:53:56 s 1 -166754.31 6 +184715.94 1470.0 C57
2021-11-17 12:13:56 S 10 15 31.632 -00 48 19.66 V C57
2021-11-17 12:13:56 s 1 -166943.32 4 +183305.84 1420.0 C57
2021-11-17 12:33:56 S 10 15 38.141 -00 48 35.50 V C57
2021-11-17 12:33:56 s 1 -167126.64 0 +181889.48 9020.0 C57
2021-11-17 12:43:56 S 10 15 41.033 -00 48 47.95 V C57
2021-11-17 12:43:56 s 1 -167216.14 3 +181178.94 9350.0 C57
2021-11-17 13:03:56 S 10 15 47.532 -00 49 02.89 V C57
2021-11-17 13:03:56 s 1 -167390.79 8 +179753.15 2950.0 C57
2021-11-17 13:13:56 S 10 15 50.935 -00 49 11.17 V C57
2021-11-17 13:13:56 s 1 -167475.93 4 +179037.89 6140.0 C57
2021-11-17 13:23:56 S 10 15 54.430 -00 49 20.14 V C57
2021-11-17 13:23:56 s 1 -167559.59 6 +178321.06 3560.0 C57
2021-11-17 13:33:56 S 10 15 57.583 -00 49 32.74 V C57
2021-11-17 13:33:56 s 1 -167641.77 8 +177602.64 5170.0 C57
2021-11-17 13:43:56 S 10 16 00.576 -00 49 35.00 V C57
2021-11-17 13:43:56 s 1 -167722.47 0 +176882.64 940.0 C57
2021-11-17 13:53:56 S 10 16 04.020 -00 49 47.28 V C57
2021-11-17 13:53:56 s 1 -167801.66 4 +176161.06 840.0 C57
2021-11-17 14:03:56 S 10 16 06.924 -00 49 59.70 V C57
2021-11-17 14:03:56 s 1 -167879.35 0 +175437.89 4820.0 C57
2021-11-17 14:13:56 S 10 16 09.982 -00 50 01.07 V C57
2021-11-17 14:13:56 s 1 -167955.52 1 +174713.14 2870.0 C57