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 14:23:56 S 10 16 13.066 -00 50 09.35 V C57
2021-11-17 14:23:56 s 1 -168030.16 7 +173986.79 4940.0 C57
2021-11-17 14:43:56 S 10 16 19.582 -00 50 30.30 V C57
2021-11-17 14:43:56 s 1 -168174.85 0 +172529.33 1030.0 C57
2021-11-17 15:03:56 S 10 16 26.230 -00 50 44.05 V C57
2021-11-17 15:03:56 s 1 -168313.32 6 +171065.48 2820.0 C57
2021-11-17 15:23:56 S 10 16 33.036 -00 51 08.42 V C57
2021-11-17 15:23:56 s 1 -168445.52 2 +169595.23 30.0 C57
2021-11-17 15:33:56 S 10 16 35.851 -00 51 13.10 V C57
2021-11-17 15:33:56 s 1 -168509.24 2 +168857.71 9330.0 C57
2021-11-17 15:43:56 S 10 16 39.228 -00 51 34.27 V C57
2021-11-17 15:43:56 s 1 -168571.36 4 +168118.58 2380.0 C57
2021-11-17 15:53:56 S 10 16 42.094 -00 51 31.46 V C57
2021-11-17 15:53:56 s 1 -168631.87 8 +167377.84 9150.0 C57
2021-11-17 16:13:56 S 10 16 48.367 -00 51 45.50 V C57
2021-11-17 16:13:56 s 1 -168748.04 7 +165891.53 3670.0 C57
2021-11-17 16:23:56 S 10 16 51.559 -00 51 56.88 V C57
2021-11-17 16:23:56 s 1 -168803.68 1 +165145.96 1350.0 C57
2021-11-17 16:53:56 S 10 17 01.390 -00 52 25.43 V C57
2021-11-17 16:53:56 s 1 -168960.66 8 +162899.55 5670.0 C57
2021-11-17 17:03:56 S 10 17 04.123 -00 52 29.78 V C57
2021-11-17 17:03:56 s 1 -169009.65 7 +162147.52 7400.0 C57
2021-11-17 17:13:56 S 10 17 07.550 -00 52 41.34 V C57
2021-11-17 17:13:56 s 1 -169056.96 1 +161393.85 2540.0 C57
2021-11-17 17:23:56 S 10 17 10.999 -00 52 52.61 V C57
2021-11-17 17:23:56 s 1 -169102.56 8 +160638.57 1070.0 C57
2021-11-17 17:33:56 S 10 17 14.158 -00 53 02.00 V C57
2021-11-17 17:33:56 s 1 -169146.46 9 +159881.66 2930.0 C57
2021-11-17 17:43:56 S 10 17 17.304 -00 53 07.48 V C57
2021-11-17 17:43:56 s 1 -169188.65 2 +159123.12 8090.0 C57
2021-11-17 17:53:56 S 10 17 19.810 -00 53 17.92 V C57
2021-11-17 17:53:56 s 1 -169229.10 7 +158362.96 6520.0 C57
2021-11-17 18:03:56 S 10 17 23.472 -00 53 25.26 V C57
2021-11-17 18:03:56 s 1 -169267.82 5 +157601.16 8160.0 C57
2021-11-17 18:13:56 S 10 17 26.602 -00 53 33.94 V C57
2021-11-17 18:13:56 s 1 -169304.79 3 +156837.73 2980.0 C57
2021-11-17 19:13:56 S 10 17 45.031 -00 54 20.56 V C57
2021-11-17 19:13:56 s 1 -169489.27 1 +152222.79 6430.0 C57
2021-11-17 19:23:56 S 10 17 48.098 -00 54 37.37 V C57
2021-11-17 19:23:56 s 1 -169513.69 2 +151447.89 2360.0 C57
2021-11-17 19:33:56 S 10 17 52.284 -00 54 44.35 V C57
2021-11-17 19:33:56 s 1 -169536.27 6 +150671.34 1140.0 C57
2021-11-17 19:43:56 S 10 17 55.032 -00 54 43.56 V C57
2021-11-17 19:43:56 s 1 -169557.01 0 +149893.15 2730.0 C57
2021-11-17 19:53:56 S 10 17 58.442 -00 54 56.74 V C57
2021-11-17 19:53:56 s 1 -169575.88 5 +149113.30 7070.0 C57
2021-11-17 20:13:56 S 10 18 05.215 -00 55 12.58 V C57
2021-11-17 20:13:56 s 1 -169608.00 5 +147548.66 3870.0 C57
2021-11-17 20:33:56 S 10 18 10.711 -00 55 34.00 V C57
2021-11-17 20:33:56 s 1 -169632.54 3 +145977.41 1170.0 C57