249816 (2001 FD90)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4786542544 ± 1.88e-08
Semi-major axis (a)2.0454522431 AU ± 1.05e-08
Inclination (i)7.30138281° ± 3.05e-06
Long. of Asc. Node (Ω)202.18551974° ± 1.42e-05
Arg. of Perihelion (ω)47.73697030° ± 1.66e-05
Mean Anomaly (M)122.54888510° ± 2.10e-05
Mean Motion (n)0.3369211388°/day ± 2.59e-09
Perihelion dist (q)1.06638782 AU ± 3.89e-08
Aphelion dist (Q)3.02451666 AU ± 4.15e-08
Orbital Period2.92539164 yr ± 2.25e-08
Physical Parameters
H (abs. magnitude)19.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.468″
Uncertainty0
Orbit TypeAmor
MOID0.097867 AU
Observations Used395
Oppositions12
Arc Total2001-2019
First Observation Used2001-03-19
Last Observation Used2019-10-27
Observations (405)
Date Type RA Dec Mag Band Observatory
2013-10-09 07:22:59 C 01 01 06.14 +07 56 57.3 q G96
2013-10-09 07:25:20 C 01 01 05.96 +07 56 56.8 q G96
2019-10-27 10:41:37 C 01 58 15.781 +09 54 12.21 U F51
2019-10-27 10:59:52 C 01 58 14.848 +09 54 05.78 U F51
2019-10-27 11:18:16 C 01 58 13.928 +09 53 59.00 U F51