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
2021-11-22 06:55:05 S 10 54 26.045 -02 22 20.78 V C57
2021-11-22 06:55:05 s 1 +174403.30 0 +191975.88 5550.0 C57
2021-11-22 07:05:05 S 10 54 29.707 -02 22 34.25 V C57
2021-11-22 07:05:05 s 1 +174312.05 3 +192651.87 1870.0 C57
2021-11-22 07:15:05 S 10 54 32.705 -02 22 45.52 V C57
2021-11-22 07:15:05 s 1 +174219.48 7 +193326.41 3460.0 C57
2021-11-22 07:25:05 S 10 54 36.425 -02 22 54.98 V C57
2021-11-22 07:25:05 s 1 +174125.60 8 +193999.50 340.0 C57
2021-11-22 07:35:05 S 10 54 40.450 -02 22 59.77 V C57
2021-11-22 07:35:05 s 1 +174030.42 3 +194671.14 2550.0 C57
2021-11-22 07:45:05 S 10 54 43.714 -02 23 10.03 V C57
2021-11-22 07:45:05 s 1 +173933.93 8 +195341.33 100.0 C57
2021-11-22 07:55:05 S 10 54 47.090 -02 23 15.79 V C57
2021-11-22 07:55:05 s 1 +173836.16 1 +196010.08 3030.0 C57
2021-11-22 08:05:05 S 10 54 50.676 -02 23 23.64 V C57
2021-11-22 08:05:05 s 1 +173737.09 7 +196677.39 1350.0 C57
2021-11-22 08:15:05 S 10 54 54.221 -02 23 34.08 V C57
2021-11-22 08:15:05 s 1 +173636.75 4 +197343.26 5090.0 C57
2021-11-22 08:25:05 S 10 54 57.631 -02 23 38.47 V C57
2021-11-22 08:25:05 s 1 +173535.13 8 +198007.70 4270.0 C57
2021-11-22 08:35:05 S 10 55 00.809 -02 23 52.30 V C57
2021-11-22 08:35:05 s 1 +173432.25 5 +198670.69 8930.0 C57
2021-11-22 08:45:05 S 10 55 04.601 -02 24 03.06 V C57
2021-11-22 08:45:05 s 1 +173328.11 2 +199332.25 9070.0 C57
2021-11-22 08:55:05 S 10 55 07.949 -02 24 12.10 V C57
2021-11-22 08:55:05 s 1 +173222.71 6 +199992.37 4730.0 C57
2021-11-22 09:05:05 S 10 55 11.971 -02 24 22.46 V C57
2021-11-22 09:05:05 s 1 +173116.07 2 +200651.07 5920.0 C57
2021-11-22 09:15:05 S 10 55 15.214 -02 24 28.87 V C57
2021-11-22 09:15:05 s 1 +173008.18 7 +201308.33 2680.0 C57
2021-11-22 09:25:05 S 10 55 18.259 -02 24 33.01 V C57
2021-11-22 09:25:05 s 1 +172899.06 8 +201964.17 5020.0 C57
2021-11-22 09:55:05 S 10 55 29.126 -02 25 05.09 V C57
2021-11-22 09:55:05 s 1 +172564.36 3 +203923.12 5770.0 C57
2021-11-22 10:05:05 S 10 55 32.270 -02 25 10.85 V C57
2021-11-22 10:05:05 s 1 +172450.36 7 +204573.26 670.0 C57
2021-11-22 10:15:05 S 10 55 36.406 -02 25 23.92 V C57
2021-11-22 10:15:05 s 1 +172335.16 6 +205221.98 1270.0 C57
2021-11-22 10:25:05 S 10 55 39.062 -02 25 23.59 V C57
2021-11-22 10:25:05 s 1 +172218.76 8 +205869.28 7590.0 C57
2021-11-22 10:35:05 S 10 55 43.397 -02 25 36.30 V C57
2021-11-22 10:35:05 s 1 +172101.17 7 +206515.16 9650.0 C57
2021-11-22 10:45:05 S 10 55 46.783 -02 25 46.45 V C57
2021-11-22 10:45:05 s 1 +171982.40 1 +207159.63 7470.0 C57
2021-11-22 11:35:05 S 10 56 03.936 -02 26 30.80 V C57
2021-11-22 11:35:05 s 1 +171370.93 3 +210360.81 3770.0 C57
2021-11-22 11:45:05 S 10 56 07.562 -02 26 47.26 V C57
2021-11-22 11:45:05 s 1 +171245.16 3 +210996.82 6610.0 C57
2021-11-22 11:55:05 S 10 56 10.999 -02 26 53.59 V C57
2021-11-22 11:55:05 s 1 +171118.24 7 +211631.43 5370.0 C57