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
1978-10-10 16:13:05 04 15 36.55 -54 17 13.1 260
1998-08-18 10:50:04 20 42 15.64 +14 09 18.3 18.3 c 566
1998-08-18 11:20:24 20 42 12.93 +14 08 07.6 c 566
1998-08-18 11:50:35 20 42 10.26 +14 06 57.0 17.7 c 566
1999-03-16 04:57:50 C 11 56 28.22 +58 42 05.5 17.7 a 704
1999-03-16 05:26:39 C 11 56 39.84 +58 42 40.5 a 704
1999-03-16 05:55:30 C 11 56 51.48 +58 43 13.7 a 704
1999-03-16 06:24:40 C 11 57 03.52 +58 43 43.8 18.6 a 704
1999-03-16 07:08:41 C 11 57 20.16 +58 44 26.3 18.0 a 704
1999-03-16 07:37:39 C 11 57 31.29 +58 44 50.4 a 704
1999-03-16 08:06:14 C 11 57 42.24 +58 45 11.8 a 704
1999-03-16 08:34:42 C 11 57 53.14 +58 45 30.0 a 704
1999-03-16 09:03:15 C 11 58 04.11 +58 45 46.3 a 704
1999-03-16 22:32:39 C 12 04 31.31 +58 54 30.6 z 620
1999-03-16 22:38:09 C 12 04 33.26 +58 54 34.9 z 620
1999-03-16 22:46:00 C 12 04 36.04 +58 54 41.1 z 620
1999-03-16 22:57:40 C 12 04 40.17 +58 54 50.2 z 620
1999-03-17 01:33:30 C 12 06 00.96 +58 55 35.2 c 758
1999-03-17 01:35:49 C 12 06 01.95 +58 55 38.3 c 758
1999-03-17 01:38:09 C 12 06 02.74 +58 55 40.3 c 758
1999-03-17 01:44:49 C 12 06 05.33 +58 55 48.2 c 758
1999-03-17 04:00:14 C 12 06 53.17 +58 58 00.9 c 761
1999-03-17 04:20:39 C 12 06 59.82 +58 58 17.8 c 761
1999-03-17 04:37:30 C 12 07 05.18 +58 58 30.5 c 761
1999-03-17 15:07:50 C 12 11 10.77 +59 03 02.8 z 402
1999-03-17 15:09:41 C 12 11 11.31 +59 03 03.7 z 402
1999-03-17 15:11:28 C 12 11 11.90 +59 03 04.5 z 402
1999-03-17 15:13:19 C 12 11 12.39 +59 03 05.3 z 402
1999-03-17 17:13:36 C 12 11 48.07 +59 03 38.8 z 900
1999-03-17 17:24:13 C 12 11 51.26 +59 03 40.0 z 900
1999-03-17 18:36:33 C 12 12 44.88 +59 02 12.3 z 151
1999-03-17 18:43:12 C 12 12 47.31 +59 02 17.3 z 151
1999-03-17 18:49:09 C 12 12 49.41 +59 02 22.8 z 151
1999-03-17 18:52:31 C 12 12 50.72 +59 02 25.5 z 151
1999-03-17 18:58:20 C 12 12 52.68 +59 02 31.3 z 151
1999-03-17 19:03:38 C 12 12 53.26 +59 02 41.7 557
1999-03-17 19:05:39 C 12 12 53.96 +59 02 43.4 557
1999-03-17 19:07:25 C 12 12 54.56 +59 02 44.6 557
1999-03-17 20:03:29 C 12 13 14.55 +59 03 18.4 c 611
1999-03-17 20:10:30 C 12 13 16.83 +59 03 23.7 c 611
1999-03-17 20:18:04 C 12 13 19.26 +59 03 23.3 c 636
1999-03-17 20:19:29 C 12 13 19.87 +59 03 30.4 c 611
1999-03-17 20:29:30 C 12 13 23.08 +59 03 31.4 c 636
1999-03-17 20:35:59 C 12 13 25.14 +59 03 36.5 c 636
1999-03-17 22:53:57 C 12 14 08.30 +59 04 57.4 c 636
1999-03-17 22:59:40 C 12 14 10.00 +59 05 00.1 c 636
1999-03-17 23:07:04 C 12 14 12.20 +59 05 03.5 c 636
1999-03-18 00:19:43 C 12 14 31.62 +59 05 32.7 557
1999-03-18 00:57:04 C 12 14 42.62 +59 05 39.8 557
1999-03-18 02:12:03 C 12 15 04.99 +59 05 49.9 d 046