2015 BL311

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8439726537 ± 3.24e-08
Semi-major axis (a)2.3672314157 AU ± 1.15e-08
Inclination (i)1.72112642° ± 3.84e-06
Long. of Asc. Node (Ω)220.29051560° ± 2.21e-04
Arg. of Perihelion (ω)143.32801412° ± 2.22e-04
Mean Anomaly (M)1.81419971° ± 4.88e-06
Mean Motion (n)0.2706145869°/day ± 1.97e-09
Perihelion dist (q)0.36935284 AU ± 7.67e-08
Aphelion dist (Q)4.36511000 AU ± 7.96e-08
Orbital Period3.64217722 yr ± 2.66e-08
Physical Parameters
H (abs. magnitude)21.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.276″
Uncertainty0
Orbit TypeApollo
MOID0.015401 AU
Observations Used132
Oppositions8
Arc Total2015-2026
First Observation Used2015-01-21
Last Observation Used2026-01-11
Observations (151)
Date Type RA Dec Mag Band Observatory
2026-01-11 20:02:54 C 11 02 23.030 +00 12 26.98 W O18