1999 EF5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4271932350 ± 1.18e-07
Semi-major axis (a)2.2283488579 AU ± 3.97e-09
Inclination (i)31.04800238° ± 3.09e-05
Long. of Asc. Node (Ω)6.14193153° ± 6.92e-06
Arg. of Perihelion (ω)179.09121566° ± 5.88e-05
Mean Anomaly (M)5.22346047° ± 1.88e-05
Mean Motion (n)0.2963039918°/day ± 7.91e-10
Perihelion dist (q)1.27641330 AU ± 2.62e-07
Aphelion dist (Q)3.18028442 AU ± 2.62e-07
Orbital Period3.32640231 yr ± 8.88e-09
Physical Parameters
H (abs. magnitude)19.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.457″
Uncertainty0
Orbit TypeAmor
MOID0.278537 AU
Observations Used99
Oppositions14
Arc Total1999-2019
First Observation Used1999-03-15
Last Observation Used2019-03-27
Observations (107)
Date Type RA Dec Mag Band Observatory
2019-03-15 11:08:13 C 14 42 23.67 -18 23 00.2 V G96
2019-03-15 11:15:36 C 14 42 23.25 -18 23 28.3 V G96
2019-03-15 11:22:59 C 14 42 22.98 -18 23 53.6 V G96
2019-03-27 12:09:02 C 14 22 19.49 -36 25 28.5 V T05
2019-03-27 12:22:16 C 14 22 18.06 -36 26 17.0 V T05
2019-03-27 12:33:53 C 14 22 16.73 -36 26 59.8 V T05
2019-03-27 12:47:02 C 14 22 15.24 -36 27 48.4 V T05