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
2025-03-25 08:17:26 C 11 45 27.371 +06 21 27.69 W H01
2025-03-25 08:25:59 B 11 45 25.766 +06 22 08.00 X 734
2025-03-25 08:34:27 C 11 45 25.241 +06 23 00.15 W H01
2025-03-25 10:20:30 C 11 45 12.272 +06 32 41.60 V I52
2025-03-25 10:21:38 C 11 45 12.161 +06 32 48.30 V I52
2025-03-25 10:22:46 C 11 45 12.020 +06 32 54.17 V I52
2025-03-25 10:23:54 C 11 45 11.873 +06 33 00.07 V I52
2025-03-25 18:51:40 C 11 44 20.796 +07 20 50.80 X 033
2025-03-25 18:52:33 C 11 44 20.706 +07 20 56.90 X 033
2025-03-25 18:53:25 C 11 44 20.616 +07 21 01.50 X 033
2025-03-25 20:39:59 C 11 44 06.66 +07 31 35.3 X G02
2025-03-25 20:52:25 C 11 44 05.00 +07 32 49.5 X G02
2025-03-25 21:05:11 C 11 44 03.30 +07 34 05.5 X G02
2025-03-25 21:45:33 B 11 43 58.541 +07 38 11.76 W 204
2025-03-26 02:29:26 C 11 43 24.980 +08 08 45.60 V 807
2025-03-26 02:30:26 C 11 43 24.840 +08 08 51.70 V 807
2025-03-26 02:32:23 C 11 43 24.560 +08 09 04.00 V 807
2025-03-26 02:35:19 C 11 43 24.160 +08 09 22.30 V 807
2025-03-26 03:08:26 C 11 43 20.40 +08 11 14.7 V H21
2025-03-26 03:11:12 C 11 43 20.00 +08 11 32.2 V H21
2025-03-26 03:13:59 C 11 43 19.63 +08 11 49.5 V H21
2025-03-26 03:16:46 C 11 43 19.22 +08 12 06.8 V H21
2025-03-26 03:21:35 C 11 43 18.57 +08 12 37.4 V H21
2025-03-28 23:31:45 C 11 31 37.387 +17 40 24.20 X 033
2025-03-28 23:32:22 C 11 31 37.225 +17 40 31.00 X 033
2025-03-28 23:32:59 C 11 31 37.078 +17 40 37.70 X 033
2025-03-28 23:33:36 C 11 31 36.916 +17 40 44.50 X 033