415715 (1999 AU23)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4101997648 ± 4.24e-08
Semi-major axis (a)2.1624460861 AU ± 3.71e-09
Inclination (i)20.44767690° ± 8.82e-06
Long. of Asc. Node (Ω)293.52211957° ± 9.05e-06
Arg. of Perihelion (ω)118.05657905° ± 1.92e-05
Mean Anomaly (M)174.61279449° ± 1.07e-05
Mean Motion (n)0.3099519289°/day ± 7.97e-10
Perihelion dist (q)1.27541121 AU ± 9.16e-08
Aphelion dist (Q)3.04948096 AU ± 9.18e-08
Orbital Period3.17993273 yr ± 8.18e-09
Physical Parameters
H (abs. magnitude)18.13
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.330″
Uncertainty0
Orbit TypeAmor
MOID0.402650 AU
Observations Used202
Oppositions21
Arc Total1995-2025
First Observation Used1995-12-19
Last Observation Used2025-03-03
Observations (207)
Date Type RA Dec Mag Band Observatory
2017-12-14 01:59:25 C 22 29 27.46 +21 59 27.2 U G96
2020-05-31 13:48:20 C 20 23 54.659 -25 09 26.28 U F51
2020-05-31 14:03:25 C 20 23 54.526 -25 09 24.06 U F51
2020-05-31 14:18:22 C 20 23 54.421 -25 09 21.41 U F51
2025-03-03 11:35:26 C 12 22 19.886 -34 23 07.94 X F51
2025-03-03 12:05:17 C 12 22 18.402 -34 23 11.56 X F51
2025-03-03 12:20:12 C 12 22 17.651 -34 23 13.19 X F51