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
1999-03-18 02:15:38 C 12 15 06.07 +59 05 49.8 d 046
1999-03-18 02:17:01 C 12 15 06.51 +59 05 49.9 d 046
1999-03-18 02:19:58 C 12 15 07.39 +59 05 49.9 d 046
1999-03-18 02:27:46 C 12 15 09.82 +59 05 46.5 557
1999-03-18 03:05:48 C 12 15 21.67 +59 05 45.2 557
1999-03-18 03:36:27 C 12 15 31.38 +59 05 42.9 557
1999-03-18 18:14:13 C 12 20 53.85 +59 08 38.2 557
1999-03-18 19:16:18 C 12 21 12.42 +59 09 14.6 557
1999-03-18 19:48:04 C 12 21 23.26 +59 09 31.1 z 587
1999-03-18 19:51:46 C 12 21 24.35 +59 09 33.0 z 587
1999-03-18 19:58:43 C 12 21 26.30 +59 09 37.2 z 587
1999-03-18 20:48:40 C 12 21 38.05 +59 10 01.7 557
1999-03-18 22:41:37 C 12 22 07.01 +59 10 42.0 557
1999-03-18 23:15:04 C 12 22 15.43 +59 10 52.6 d 046
1999-03-18 23:16:01 C 12 22 17.15 +59 10 55.1 z 151
1999-03-18 23:17:45 C 12 22 16.09 +59 10 53.1 d 046
1999-03-18 23:18:49 C 12 22 16.35 +59 10 53.3 d 046
1999-03-18 23:20:03 C 12 22 16.66 +59 10 53.5 d 046
1999-03-18 23:22:23 C 12 22 18.73 +59 10 56.9 z 151
1999-03-18 23:27:46 C 12 22 19.94 +59 10 58.3 z 151
1999-03-18 23:33:43 C 12 22 21.50 +59 10 59.3 z 151
1999-03-18 23:39:15 C 12 22 22.77 +59 11 00.1 z 151
1999-03-18 23:42:04 C 12 22 23.44 +59 11 00.8 z 151
1999-03-18 23:56:11 C 12 22 25.33 +59 10 56.1 557
1999-03-19 01:29:26 C 12 22 48.30 +59 10 58.6 557
1999-03-19 03:28:11 C 12 23 18.83 +59 10 41.6 557
1999-03-19 15:05:54 C 12 26 59.73 +59 12 44.8 327
1999-03-19 15:15:41 C 12 27 01.85 +59 12 46.7 327
1999-03-19 15:25:13 C 12 27 03.88 +59 12 48.9 16.0 327
1999-03-19 15:34:43 C 12 27 05.88 +59 12 51.0 327
1999-03-19 22:48:39 C 12 29 05.60 +59 13 02.9 z 620
1999-03-19 22:56:29 C 12 29 07.19 +59 13 04.5 z 620
1999-03-19 23:02:09 C 12 29 08.33 +59 13 05.7 z 620
1999-03-19 23:05:07 C 12 29 09.01 +59 12 55.6 16.4 958
1999-03-19 23:08:19 C 12 29 09.57 +59 13 07.0 z 620
1999-03-19 23:41:30 C 12 29 16.43 +59 13 02.1 16.3 958
1999-03-19 23:52:26 C 12 29 18.64 +59 13 03.4 16.3 958
1999-03-20 00:23:00 C 12 29 24.62 +59 13 05.3 16.4 958
1999-03-20 02:19:14 C 12 29 45.16 +59 12 48.6 104
1999-03-20 02:21:54 C 12 29 45.59 +59 12 48.0 104
1999-03-20 02:24:35 C 12 29 46.13 +59 12 47.5 104
1999-03-20 02:27:15 C 12 29 46.65 +59 12 46.8 104
1999-03-20 09:47:37 C 12 31 44.34 +59 12 48.3 658
1999-03-20 09:50:11 C 12 31 44.82 +59 12 48.3 658
1999-03-20 09:58:01 C 12 31 46.31 +59 12 47.2 658
1999-03-20 20:16:47 C 12 34 29.87 +59 11 52.7 z 108
1999-03-20 20:19:30 C 12 34 30.52 +59 11 54.4 z 108
1999-03-20 20:22:30 C 12 34 31.03 +59 11 55.1 z 108
1999-03-20 20:28:09 C 12 34 32.14 +59 11 56.4 z 108
1999-03-20 23:24:19 C 12 35 03.88 +59 12 14.3 z 587