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 12:05:05 S 10 56 13.980 -02 27 03.60 V C57
2021-11-22 12:05:05 s 1 +170990.19 1 +212264.64 60.0 C57
2021-11-22 12:25:05 S 10 56 21.502 -02 27 14.69 V C57
2021-11-22 12:25:05 s 1 +170730.68 2 +213526.86 7310.0 C57
2021-11-22 12:35:05 S 10 56 25.258 -02 27 26.21 V C57
2021-11-22 12:35:05 s 1 +170599.24 0 +214155.88 9910.0 C57
2021-11-22 12:45:05 S 10 56 28.373 -02 27 39.31 V C57
2021-11-22 12:45:05 s 1 +170466.68 0 +214783.50 8530.0 C57
2021-11-22 13:15:05 S 10 56 39.365 -02 27 59.76 V C57
2021-11-22 13:15:05 s 1 +170062.77 0 +216658.29 3840.0 C57
2021-11-22 13:55:05 S 10 56 53.045 -02 28 36.48 V C57
2021-11-22 13:55:05 s 1 +169508.34 2 +219138.22 2060.0 C57
2021-11-22 13:59:33 C 10 56 08.40 -02 31 42.6 V T08
2021-11-22 14:04:12 C 10 56 09.94 -02 31 47.7 V T08
2021-11-22 14:05:05 S 10 56 56.330 -02 28 46.60 V C57
2021-11-22 14:05:05 s 1 +169367.03 5 +219754.75 9490.0 C57
2021-11-22 14:12:50 C 10 56 12.87 -02 31 54.7 V T08
2021-11-22 14:25:05 S 10 57 03.014 -02 29 07.55 V C57
2021-11-22 14:25:05 s 1 +169081.21 5 +220983.66 2930.0 C57
2021-11-22 14:34:06 C 10 56 19.99 -02 32 13.5 V T08
2021-11-22 14:55:05 S 10 57 13.680 -02 29 26.84 V C57
2021-11-22 14:55:05 s 1 +168644.54 9 +222816.71 9830.0 C57
2021-11-22 15:05:05 S 10 57 16.901 -02 29 42.94 V C57
2021-11-22 15:05:05 s 1 +168496.89 8 +223424.99 4660.0 C57
2021-11-22 15:15:05 S 10 57 20.623 -02 29 40.74 V C57
2021-11-22 15:15:05 s 1 +168348.20 8 +224031.89 5800.0 C57
2021-11-22 15:25:05 S 10 57 24.127 -02 29 53.52 V C57
2021-11-22 15:25:05 s 1 +168198.48 3 +224637.42 3250.0 C57
2021-11-22 15:35:05 S 10 57 28.037 -02 30 08.82 V C57
2021-11-22 15:35:05 s 1 +168047.72 8 +225241.59 7040.0 C57
2021-11-22 15:45:05 S 10 57 30.732 -02 30 14.18 V C57
2021-11-22 15:45:05 s 1 +167895.94 8 +225844.39 7180.0 C57
2021-11-22 15:55:05 S 10 57 34.579 -02 30 21.74 V C57
2021-11-22 15:55:05 s 1 +167743.14 9 +226445.82 3690.0 C57
2021-11-22 16:05:05 S 10 57 37.949 -02 30 28.84 V C57
2021-11-22 16:05:05 s 1 +167589.33 4 +227045.90 6600.0 C57
2021-11-22 16:15:05 S 10 57 41.695 -02 30 42.12 V C57
2021-11-22 16:15:05 s 1 +167434.50 9 +227644.61 5900.0 C57
2021-11-22 16:25:05 S 10 57 44.880 -02 30 51.77 V C57
2021-11-22 16:25:05 s 1 +167278.67 9 +228241.97 1630.0 C57
2021-11-22 16:55:05 S 10 57 56.009 -02 31 16.75 V C57
2021-11-22 16:55:05 s 1 +166805.20 1 +230025.90 7540.0 C57
2021-11-22 17:05:05 S 10 57 59.275 -02 31 22.80 V C57
2021-11-22 17:05:05 s 1 +166645.39 5 +230617.84 9140.0 C57
2021-11-22 17:15:05 S 10 58 02.426 -02 31 35.11 V C57
2021-11-22 17:15:05 s 1 +166484.60 7 +231208.43 7250.0 C57
2021-11-22 17:25:05 S 10 58 06.084 -02 31 43.93 V C57
2021-11-22 17:25:05 s 1 +166322.84 2 +231797.66 1880.0 C57
2021-11-22 17:35:05 S 10 58 09.480 -02 31 51.20 V C57
2021-11-22 17:35:05 s 1 +166160.10 4 +232385.55 3060.0 C57