143947 (2003 YQ117)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6543186556 ± 3.88e-09
Semi-major axis (a)2.1819666391 AU ± 8.08e-10
Inclination (i)21.02942583° ± 1.87e-07
Long. of Asc. Node (Ω)217.48876804° ± 7.24e-07
Arg. of Perihelion (ω)135.71577595° ± 6.55e-07
Mean Anomaly (M)348.18414502° ± 6.82e-07
Mean Motion (n)0.3058018559°/day ± 1.70e-10
Perihelion dist (q)0.75426516 AU ± 8.46e-09
Aphelion dist (Q)3.60966812 AU ± 8.56e-09
Orbital Period3.22308797 yr ± 1.79e-09
Physical Parameters
H (abs. magnitude)15.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.030″
Uncertainty0
Orbit TypeApollo
MOID0.103711 AU
Observations Used1871
Gaia Obs Used138
Oppositions10
Arc Total2002-2017
First Observation Used2002-03-15
Last Observation Used2025-06-18
Observations (2011)
Date Type RA Dec Mag Band Observatory
2025-05-29 22:51:42 C 12 51 43.903 -07 34 45.95 V R17
2025-05-29 23:12:03 C 12 51 43.416 -07 34 37.67 V R17
2025-05-29 23:32:26 C 12 51 42.950 -07 34 29.35 V R17
2025-05-31 07:11:55 C 12 51 03.994 -07 21 41.15 V T08
2025-05-31 07:17:53 C 12 51 03.802 -07 21 38.38 V T08
2025-05-31 07:27:09 C 12 51 03.638 -07 21 35.28 V T08
2025-05-31 07:46:42 C 12 51 03.245 -07 21 28.73 V T08
2025-06-18 07:36:51 C 12 47 24.566 -05 05 43.98 V T05
2025-06-18 07:42:06 C 12 47 24.569 -05 05 43.69 V T05
2025-06-18 07:56:45 C 12 47 24.576 -05 05 40.31 V T05
2025-06-18 08:04:38 C 12 47 24.569 -05 05 37.97 V T05