2004 FC18

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6473728451 ± 1.52e-06
Semi-major axis (a)1.9025669736 AU ± 1.33e-08
Inclination (i)9.78636027° ± 1.80e-04
Long. of Asc. Node (Ω)180.86565339° ± 4.64e-05
Arg. of Perihelion (ω)93.02892089° ± 3.34e-04
Mean Anomaly (M)68.85238237° ± 2.73e-05
Mean Motion (n)0.3755799032°/day ± 3.93e-09
Perihelion dist (q)0.67089678 AU ± 2.90e-06
Aphelion dist (Q)3.13423717 AU ± 2.90e-06
Orbital Period2.62427855 yr ± 2.75e-08
Physical Parameters
H (abs. magnitude)24.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.632″
Uncertainty0
Orbit TypeApollo
MOID0.016308 AU
Observations Used77
Oppositions13
Arc Total2004-2025
First Observation Used2004-03-27
Last Observation Used2025-03-28
Observations (77)
Date Type RA Dec Mag Band Observatory
2004-03-27 08:08:45 C 11 41 30.11 +11 11 14.3 c 691
2004-03-27 08:48:06 C 11 41 23.09 +11 16 39.3 c 691
2004-03-28 04:51:16 C 11 38 04.12 +14 16 17.4 c 691
2004-03-28 05:05:20 C 11 38 01.07 +14 18 36.1 c 691
2004-03-28 05:30:42 C 11 37 55.80 +14 22 44.2 c 691
2004-03-29 04:15:23 C 11 33 05.05 +18 31 40.8 r 448
2004-03-29 04:26:36 C 11 33 02.05 +18 33 57.4 r 448
2004-03-29 04:37:52 C 11 32 59.00 +18 36 15.6 r 448
2004-03-29 05:12:43 C 11 32 49.89 +18 43 25.0 c 854
2004-03-29 05:19:13 C 11 32 48.10 +18 44 43.8 c 854
2004-03-29 05:25:42 C 11 32 46.28 +18 46 03.0 c 854
2004-03-29 06:28:59 C 11 32 28.74 +18 59 10.1 c 926
2004-03-29 06:29:37 C 11 32 28.55 +18 59 16.9 c 926
2004-03-29 06:30:11 C 11 32 28.38 +18 59 25.3 c 926
2004-03-29 06:56:03 C 11 32 21.15 +19 04 45.9 d 291
2004-03-29 07:01:49 C 11 32 19.51 +19 05 58.5 d 291
2004-03-29 07:07:29 C 11 32 17.89 +19 07 08.7 d 291
2004-03-29 20:37:58 C 11 28 41.03 +22 06 35.9 r J95
2004-03-29 20:59:07 C 11 28 34.37 +22 11 38.6 r J95
2004-03-29 21:51:17 C 11 28 15.92 +22 24 15.9 c 246
2004-03-29 21:52:11 C 11 28 15.59 +22 24 29.6 c 246
2004-03-29 21:53:15 C 11 28 15.31 +22 24 44.1 c 246
2004-03-29 21:54:08 C 11 28 14.97 +22 24 58.3 c 246
2004-03-29 21:55:18 C 11 28 14.53 +22 25 14.4 c 246
2004-03-30 03:04:41 C 11 26 43.79 +23 41 49.1 d 291
2004-03-30 03:10:36 C 11 26 41.73 +23 43 21.1 d 291
2004-03-30 03:16:23 C 11 26 39.69 +23 44 48.5 d 291
2004-03-30 05:30:45 C 11 25 51.18 +24 19 28.3 d 291
2004-03-30 05:36:47 C 11 25 48.97 +24 21 00.8 d 291
2004-03-30 05:42:48 C 11 25 46.73 +24 22 35.6 d 291
2004-03-30 21:15:52 C 11 19 54.98 +28 43 05.9 c 246
2004-03-30 21:16:41 C 11 19 54.59 +28 43 19.5 c 246
2004-03-30 21:18:59 C 11 19 53.54 +28 44 00.5 c 246
2004-03-30 21:19:43 C 11 19 53.21 +28 44 13.7 c 246
2004-03-30 21:20:46 C 11 19 52.75 +28 44 33.7 c 246
2004-03-30 22:37:31 C 11 19 19.47 +29 07 47.7 r J95
2004-03-30 23:44:27 C 11 18 48.31 +29 28 22.0 r J95
2004-04-01 04:05:52 C 11 02 48.81 +39 30 05.2 r 649
2004-04-01 04:07:53 C 11 02 47.21 +39 30 52.4 r 649
2004-04-01 04:09:52 C 11 02 45.69 +39 31 41.0 r 649
2025-03-25 07:15:02 C 11 45 35.453 +06 15 52.02 V G96
2025-03-25 07:22:28 C 11 45 34.520 +06 16 32.16 V G96
2025-03-25 07:29:54 C 11 45 33.577 +06 17 12.37 V G96
2025-03-25 07:37:19 C 11 45 32.648 +06 17 52.40 V G96
2025-03-25 07:56:41 C 11 45 29.971 +06 19 35.27 W H01
2025-03-25 08:01:14 C 11 45 29.402 +06 19 59.85 W H01
2025-03-25 08:10:24 B 11 45 27.646 +06 20 43.26 X 734
2025-03-25 08:10:54 C 11 45 28.92 +06 20 52.7 V 673
2025-03-25 08:12:25 C 11 45 28.74 +06 21 01.0 V 673
2025-03-25 08:14:43 C 11 45 28.45 +06 21 13.3 V 673