665429 (2009 KT21)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3325651714 ± 1.22e-08
Semi-major axis (a)1.6705022611 AU ± 1.36e-09
Inclination (i)6.94165852° ± 2.41e-06
Long. of Asc. Node (Ω)230.82966531° ± 9.97e-06
Arg. of Perihelion (ω)244.55849738° ± 1.23e-05
Mean Anomaly (M)323.52460251° ± 4.81e-06
Mean Motion (n)0.4565009382°/day ± 5.55e-10
Perihelion dist (q)1.11495139 AU ± 2.04e-08
Aphelion dist (Q)2.22605313 AU ± 2.05e-08
Orbital Period2.15908928 yr ± 2.63e-09
Physical Parameters
H (abs. magnitude)19.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.146″
Uncertainty0
Orbit TypeAmor
MOID0.170377 AU
Observations Used225
Oppositions9
Arc Total2009-2026
First Observation Used2009-05-29
Last Observation Used2026-03-02
Observations (255)
Date Type RA Dec Mag Band Observatory
2026-02-27 07:45:42 C 04 46 16.626 +06 31 26.92 X F52
2026-03-02 02:52:00 C 04 57 47.182 +06 52 49.37 V G96
2026-03-02 02:59:25 C 04 57 48.424 +06 52 52.57 V G96
2026-03-02 03:06:50 C 04 57 49.655 +06 52 55.13 V G96
2026-03-02 03:14:15 C 04 57 50.900 +06 52 56.78 V G96