154658 (2004 FA18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4547593595 ± 7.09e-08
Semi-major axis (a)1.0966112840 AU ± 2.03e-09
Inclination (i)19.28458723° ± 8.95e-06
Long. of Asc. Node (Ω)29.57534546° ± 1.13e-05
Arg. of Perihelion (ω)318.65252572° ± 1.54e-05
Mean Anomaly (M)184.60213004° ± 2.09e-05
Mean Motion (n)0.8582883359°/day ± 2.38e-09
Perihelion dist (q)0.59791704 AU ± 7.77e-08
Aphelion dist (Q)1.59530553 AU ± 7.78e-08
Orbital Period1.14836267 yr ± 3.19e-09
Physical Parameters
H (abs. magnitude)19.42
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.431″
Uncertainty0
Orbit TypeApollo
MOID0.153329 AU
Observations Used203
Oppositions3
Arc Total1996-2021
First Observation Used1996-04-15
Last Observation Used2021-03-22
Observations (210)
Date Type RA Dec Mag Band Observatory
2021-02-16 12:07:21 C 11 44 54.160 +50 36 42.38 U F51
2021-02-16 12:26:50 C 11 44 50.767 +50 36 50.95 U F51
2021-03-03 07:42:55 C 10 42 59.74 +50 51 32.0 V G96
2021-03-03 07:50:29 C 10 42 58.45 +50 51 29.2 V G96
2021-03-03 07:58:03 C 10 42 57.19 +50 51 26.6 V G96
2021-03-03 08:05:36 C 10 42 55.88 +50 51 23.8 V G96
2021-03-22 03:12:01 C 09 47 39.05 +45 36 21.2 V G96
2021-03-22 03:22:45 C 09 47 38.34 +45 36 12.2 V G96
2021-03-22 03:31:28 C 09 47 37.53 +45 36 03.6 V G96
2021-03-22 03:40:11 C 09 47 36.82 +45 35 56.0 V G96