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
1999-04-05 22:03:43 C 13 13 23.65 +56 51 14.3 d 046
1999-04-05 22:05:49 C 13 13 23.68 +56 51 13.1 d 046
1999-04-05 22:08:00 C 13 13 23.77 +56 51 11.9 d 046
1999-04-13 19:48:52 C 13 18 45.16 +54 58 59.8 z 587
1999-04-13 20:25:09 C 13 18 45.48 +54 58 39.1 z 587
1999-04-23 09:30:59 C 13 22 45.50 +52 11 08.7 658
1999-04-23 09:44:04 C 13 22 45.53 +52 10 57.3 658
1999-04-23 09:51:09 C 13 22 45.64 +52 10 51.4 658
1999-04-24 01:11:47 C 13 23 00.95 +51 58 25.7 d 046
1999-04-24 01:14:12 C 13 23 01.01 +51 58 23.4 d 046
1999-04-24 01:16:21 C 13 23 00.95 +51 58 21.4 d 046
1999-04-24 01:18:25 C 13 23 01.06 +51 58 19.9 d 046
1999-04-30 08:22:26 C 13 25 44.63 +49 49 43.6 658
1999-04-30 08:40:07 C 13 25 44.72 +49 49 26.9 658
1999-04-30 09:01:52 C 13 25 44.89 +49 49 06.7 658
1999-05-22 06:02:52 C 13 39 04.59 +40 56 47.0 i 693
1999-05-22 06:04:20 C 13 39 04.59 +40 56 45.4 i 693
1999-05-22 06:05:40 C 13 39 04.63 +40 56 43.8 i 693
1999-05-24 06:45:56 C 13 40 45.71 +40 01 34.5 658
1999-05-24 07:02:22 C 13 40 46.21 +40 01 15.4 658
2007-07-14 08:12:24 C 23 48 13.59 +20 32 14.5 o H55
2007-07-14 08:20:19 C 23 48 14.25 +20 32 17.1 o H55
2007-07-14 08:28:13 C 23 48 15.19 +20 32 19.9 o H55
2007-08-25 23:13:12 C 01 47 09.92 +16 34 56.4 o 151
2007-08-25 23:15:24 C 01 47 10.21 +16 34 53.3 o 151
2007-08-25 23:17:34 C 01 47 10.49 +16 34 50.5 o 151
2007-08-25 23:34:48 C 01 47 12.93 +16 34 29.4 o 151
2007-08-25 23:39:46 C 01 47 13.67 +16 34 22.5 o 151
2007-08-25 23:49:12 C 01 47 14.90 +16 34 12.2 o 151
2007-08-25 23:55:45 C 01 47 15.79 +16 34 04.5 o 151
2007-08-27 19:14:39 C 01 53 33.96 +15 37 04.7 o D35
2007-08-27 19:16:31 C 01 53 34.20 +15 37 01.7 o D35
2007-08-27 19:18:22 C 01 53 34.47 +15 36 59.6 o D35
2007-09-11 09:33:59 C 02 51 07.27 +03 13 16.7 r 703
2007-09-11 09:44:45 C 02 51 09.14 +03 12 45.5 r 703
2007-09-11 09:55:29 C 02 51 10.83 +03 12 12.8 r 703
2007-09-11 10:06:16 C 02 51 12.74 +03 11 42.7 r 703
2008-04-02 10:17:31 C 17 48 25.21 +10 11 43.1 o H55
2008-04-02 10:24:30 C 17 48 25.49 +10 11 55.3 o H55
2008-04-02 10:30:58 C 17 48 25.75 +10 12 07.3 o H55
2008-04-21 08:04:34 C 17 58 52.30 +23 00 09.7 o H55
2008-04-21 08:15:05 C 17 58 52.25 +23 00 25.8 o H55
2008-04-21 08:26:41 C 17 58 52.19 +23 00 41.9 o H55
2008-04-22 08:52:36 C 17 58 46.29 +23 37 23.4 o H55
2008-04-22 08:59:37 C 17 58 46.26 +23 37 34.5 o H55
2008-04-22 09:05:08 C 17 58 46.11 +23 37 42.8 o H55
2008-04-27 00:38:29 C 17 57 25.46 +26 17 06.8 o 198
2008-04-27 00:39:30 C 17 57 25.43 +26 17 08.2 o 198
2008-04-27 00:47:36 C 17 57 25.22 +26 17 19.5 o 198
2008-04-27 00:51:39 C 17 57 25.11 +26 17 24.9 o 198