474158 (1999 FA)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1327460229 ± 2.00e+00
Semi-major axis (a)1.0782729171 AU ± 3.00e+00
Inclination (i)12.02903524° ± 4.00e+00
Long. of Asc. Node (Ω)166.07588100° ± 5.00e+00
Arg. of Perihelion (ω)297.02632148° ± 6.00e+00
Mean Anomaly (M)357.28606046° ± 7.07e-05
Mean Motion (n)0.8802767480°/day ± 3.67e+00
Perihelion dist (q)0.93513648 AU ± 3.38e+00
Aphelion dist (Q)1.22140936 AU ± 4.02e+00
Orbital Period1.11967774 yr ± 4.67e+00
NGA Modelr2
A2-9.18877404e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.446″
Uncertainty0
Orbit TypeApollo
MOID0.006101 AU
Observations Used219
Oppositions4
Arc Total1978-2016
First Observation Used1978-10-10
Last Observation Used2016-11-12
Observations (228)
Date Type RA Dec Mag Band Observatory
2008-04-27 00:55:42 C 17 57 25.00 +26 17 30.9 o 198
2008-05-02 09:36:10 C 17 53 55.24 +29 03 36.7 r G96
2008-05-02 09:44:21 C 17 53 54.85 +29 03 46.8 r G96
2008-05-02 10:00:35 C 17 53 54.13 +29 04 06.6 r G96
2008-05-04 09:24:26 C 17 52 04.68 +29 59 33.8 o H55
2008-05-04 09:31:42 C 17 52 04.31 +29 59 41.8 o H55
2008-05-04 09:38:13 C 17 52 03.94 +29 59 48.4 o H55
2008-05-10 22:52:13 C 17 44 07.52 +32 38 42.8 o 151
2008-05-10 22:56:28 C 17 44 07.22 +32 38 46.7 o 151
2008-05-10 23:00:46 C 17 44 06.92 +32 38 50.5 o 151
2008-05-11 01:36:41 C 17 43 56.58 +32 41 09.9 o 198
2008-05-19 08:26:14 C 17 30 08.06 +34 58 34.1 o H55
2008-05-19 08:35:00 C 17 30 07.40 +34 58 38.3 o H55
2008-05-19 08:45:27 C 17 30 06.48 +34 58 43.3 o H55
2008-07-08 03:03:52 C 16 14 21.72 +22 38 01.6 o H55
2008-07-08 03:21:19 C 16 14 21.39 +22 37 37.3 o H55
2008-07-08 03:36:57 C 16 14 21.14 +22 37 15.6 o H55
2016-07-07 10:33:05 C 00 45 14.61 +16 32 36.0 o 291
2016-07-07 10:43:07 C 00 45 15.96 +16 32 40.8 o 291
2016-07-07 10:53:09 C 00 45 17.29 +16 32 44.8 o 291
2016-07-11 09:58:00 C 00 58 21.77 +17 07 15.8 o 291
2016-07-11 10:07:41 C 00 58 23.10 +17 07 19.3 o 291
2016-07-11 10:21:40 C 00 58 25.00 +17 07 24.2 o 291
2016-11-02 11:18:12 C 09 21 04.88 -15 26 34.5 o 291
2016-11-02 11:22:20 C 09 21 05.62 -15 26 37.9 o 291
2016-11-02 11:26:28 C 09 21 06.32 -15 26 41.4 o 291
2016-11-12 11:35:32 C 10 03 29.65 -18 36 38.9 o 695
2016-11-12 11:40:42 C 10 03 30.55 -18 36 42.4 o 695