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
1999-03-20 23:30:20 C 12 35 04.91 +59 12 13.7 z 587
1999-03-21 05:56:51 C 12 36 32.87 +59 11 36.4 i 726
1999-03-21 06:01:52 C 12 36 33.67 +59 11 36.6 i 726
1999-03-21 06:06:52 C 12 36 34.52 +59 11 36.5 i 726
1999-03-21 06:11:51 C 12 36 35.31 +59 11 35.9 i 726
1999-03-21 08:13:30 C 12 36 54.26 +59 12 01.7 c 735
1999-03-21 08:30:29 C 12 36 56.78 +59 11 57.0 c 735
1999-03-21 08:42:30 C 12 36 58.58 +59 11 53.7 c 735
1999-03-22 14:46:30 C 12 43 06.94 +59 07 17.2 360
1999-03-22 14:50:00 C 12 43 07.41 +59 07 16.8 360
1999-03-22 14:55:00 C 12 43 07.99 +59 07 16.5 360
1999-03-23 04:55:39 C 12 45 41.90 +59 03 52.0 i 714
1999-03-23 05:05:29 C 12 45 43.14 +59 03 52.9 i 714
1999-03-23 05:15:18 C 12 45 44.37 +59 03 53.8 i 714
1999-03-23 16:42:50 C 12 47 22.25 +59 01 35.3 z 355
1999-03-23 16:47:29 C 12 47 22.75 +59 01 33.9 z 355
1999-03-23 16:53:36 C 12 47 23.38 +59 01 31.2 z 355
1999-03-24 00:19:24 C 12 48 33.45 +58 59 29.9 z 071
1999-03-24 00:22:09 C 12 48 33.72 +58 59 28.7 z 071
1999-03-24 00:24:54 C 12 48 33.99 +58 59 27.6 z 071
1999-03-24 05:07:03 C 12 49 29.89 +58 58 05.2 i 714
1999-03-24 05:23:09 C 12 49 31.56 +58 58 06.0 i 714
1999-03-24 19:43:47 C 12 51 34.53 +58 53 26.1 z 151
1999-03-24 19:50:26 C 12 51 35.39 +58 53 26.4 z 151
1999-03-24 19:55:35 C 12 51 35.98 +58 53 26.1 z 151
1999-03-24 20:19:01 C 12 51 38.63 +58 53 25.6 z 151
1999-03-24 20:42:00 C 12 51 41.05 +58 53 24.4 z 151
1999-03-25 00:33:52 C 12 52 02.50 +58 52 39.5 d 046
1999-03-25 00:35:39 C 12 52 02.66 +58 52 38.8 d 046
1999-03-25 00:37:22 C 12 52 02.81 +58 52 38.2 d 046
1999-03-25 00:39:15 C 12 52 03.00 +58 52 37.5 d 046
1999-03-27 00:06:04 C 12 57 43.49 +58 37 20.8 118
1999-03-27 00:13:45 C 12 57 44.02 +58 37 17.5 118
1999-03-27 00:17:38 C 12 57 44.24 +58 37 16.2 118
1999-03-31 08:23:27 C 13 06 33.53 +57 55 58.2 658
1999-03-31 08:26:36 C 13 06 33.78 +57 55 56.6 658
1999-03-31 08:36:25 C 13 06 33.90 +57 55 52.1 658
1999-04-02 00:22:24 C 13 08 57.64 +57 37 50.6 b 118
1999-04-02 00:27:35 C 13 08 57.81 +57 37 47.7 b 118
1999-04-02 00:33:53 C 13 08 58.00 +57 37 44.6 b 118
1999-04-05 02:32:49 C 13 12 30.50 +57 01 20.1 z 104
1999-04-05 02:38:10 C 13 12 30.56 +57 01 16.5 z 104
1999-04-05 02:43:29 C 13 12 30.66 +57 01 12.9 z 104
1999-04-05 19:35:32 C 13 13 21.26 +56 52 13.7 z 151
1999-04-05 19:43:53 C 13 13 21.42 +56 52 11.9 z 151
1999-04-05 19:50:57 C 13 13 21.64 +56 52 08.6 z 151
1999-04-05 19:57:52 C 13 13 21.93 +56 52 05.3 z 151
1999-04-05 21:19:24 C 13 13 23.61 +56 51 35.1 z 587
1999-04-05 21:51:50 C 13 13 24.02 +56 51 21.9 z 587
1999-04-05 22:00:58 C 13 13 23.61 +56 51 15.4 d 046