471323 (2011 KW15)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4937118966 ± 2.14e-08
Semi-major axis (a)1.1697728644 AU ± 7.20e-09
Inclination (i)23.65788044° ± 6.65e-06
Long. of Asc. Node (Ω)283.34673223° ± 9.45e-06
Arg. of Perihelion (ω)97.51622894° ± 7.31e-06
Mean Anomaly (M)94.80868432° ± 3.82e-05
Mean Motion (n)0.7790403676°/day ± 7.19e-09
Perihelion dist (q)0.59224208 AU ± 2.53e-08
Aphelion dist (Q)1.74730364 AU ± 2.72e-08
Orbital Period1.26517999 yr ± 1.17e-08
Physical Parameters
H (abs. magnitude)19.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.149″
Uncertainty0
Orbit TypeApollo
MOID0.044566 AU
Observations Used60
Oppositions1
Arc Total2011-2016
First Observation Used2011-05-26
Last Observation Used2016-06-16
Observations (104)
Date Type RA Dec Mag Band Observatory
2022-01-12 01:28:05 S 12 32 50.73 -33 14 48.7 L C51
2022-01-12 04:36:13 S 12 32 50.04 -33 18 43.2 L C51
2022-01-12 07:44:21 S 12 32 49.56 -33 22 35.7 L C51
2022-01-12 14:00:36 S 12 32 48.17 -33 30 22.3 L C51