1998 FM9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4424165006 ± 2.30e-07
Semi-major axis (a)2.2883591015 AU ± 6.58e-08
Inclination (i)10.34886241° ± 2.49e-05
Long. of Asc. Node (Ω)162.30972142° ± 5.36e-05
Arg. of Perihelion (ω)32.18099029° ± 1.51e-04
Mean Anomaly (M)351.72725057° ± 1.44e-04
Mean Motion (n)0.2847252679°/day ± 1.23e-08
Perihelion dist (q)1.27595128 AU ± 5.27e-07
Aphelion dist (Q)3.30076693 AU ± 5.34e-07
Orbital Period3.46167479 yr ± 1.49e-07
Physical Parameters
H (abs. magnitude)19.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.768″
Uncertainty0
Orbit TypeAmor
MOID0.293620 AU
Observations Used130
Oppositions17
Arc Total1998-2022
First Observation Used1998-03-03
Last Observation Used2022-01-22
Observations (131)
Date Type RA Dec Mag Band Observatory
1998-03-03 04:25:32 C 10 57 51.86 +06 29 11.4 18.8 a 704
1998-03-03 04:55:05 C 10 57 52.65 +06 29 48.6 18.2 a 704
1998-03-03 05:24:27 C 10 57 53.44 +06 30 23.5 18.9 a 704
1998-03-03 05:54:07 C 10 57 54.19 +06 31 03.5 18.7 a 704
1998-03-03 06:23:19 C 10 57 54.86 +06 31 38.6 18.5 a 704
1998-03-04 06:30:16 C 10 58 40.44 +07 01 56.1 18.6 a 704
1998-03-04 06:59:17 C 10 58 41.24 +07 02 32.1 18.4 a 704
1998-03-04 07:57:25 C 10 58 42.71 +07 03 45.6 18.9 a 704
1998-03-04 08:26:25 C 10 58 43.42 +07 04 22.6 19.5 a 704
1998-03-24 03:35:51 C 11 18 53.20 +17 42 21.6 18.8 a 704
1998-03-24 04:05:08 C 11 18 54.69 +17 42 58.0 19.2 a 704
1998-03-24 04:34:58 C 11 18 56.10 +17 43 36.5 18.7 a 704
1998-03-24 05:04:06 C 11 18 57.42 +17 44 13.8 19.2 a 704
1998-03-24 22:03:19 C 11 19 54.00 +18 05 21.3 046
1998-03-24 22:05:51 C 11 19 54.13 +18 05 24.3 046
1998-03-24 22:08:38 C 11 19 54.27 +18 05 27.7 046
1998-03-24 22:30:31 C 11 19 55.33 +18 05 54.1 557
1998-03-24 22:38:08 C 11 19 55.74 +18 06 03.9 557
1998-03-25 10:36:38 C 11 20 36.21 +18 21 02.9 c 566
1998-03-25 10:51:14 C 11 20 36.95 +18 21 21.0 c 566
1998-03-25 11:05:51 C 11 20 37.65 +18 21 38.6 c 566
1998-03-25 12:05:57 C 11 20 42.67 +18 23 14.8 426
1998-03-25 12:12:42 C 11 20 42.98 +18 23 23.7 426
1998-03-25 12:20:20 C 11 20 43.40 +18 23 33.2 426
1998-03-25 12:43:43 C 11 20 44.64 +18 23 31.4 z 402
1998-03-25 12:46:42 C 11 20 44.75 +18 23 35.1 z 402
1998-03-25 12:49:42 C 11 20 44.89 +18 23 39.9 z 402
1998-03-25 20:59:45 C 11 21 13.05 +18 33 30.1 z 587
1998-03-25 21:04:39 C 11 21 13.39 +18 33 38.2 z 104
1998-03-25 21:04:45 C 11 21 13.38 +18 33 37.5 z 587
1998-03-25 21:09:00 C 11 21 13.62 +18 33 43.7 z 104
1998-03-25 21:14:10 C 11 21 13.86 +18 33 48.6 z 104
1998-03-25 21:30:40 C 11 21 14.60 +18 34 09.4 c 106
1998-03-25 21:53:15 C 11 21 15.77 +18 34 35.2 046
1998-03-25 21:53:52 C 11 21 15.74 +18 34 38.0 c 106
1998-03-25 21:55:22 C 11 21 15.87 +18 34 37.9 046
1998-03-25 21:57:00 C 11 21 15.96 +18 34 39.9 046
1998-03-25 22:44:44 C 11 21 18.44 +18 35 38.8 c 106
1998-03-25 22:56:26 C 11 21 19.04 +18 35 53.9 c 106
1998-03-26 03:27:30 C 11 21 36.33 +18 41 23.7 19.6 a 704
1998-03-26 03:56:57 C 11 21 37.66 +18 42 00.7 19.1 a 704
1998-03-26 04:25:59 C 11 21 38.96 +18 42 35.1 19.1 a 704
1998-03-26 11:34:18 C 11 22 04.16 +18 51 39.9 422
1998-03-26 11:39:02 C 11 22 04.43 +18 51 45.2 422
1998-03-26 11:43:47 C 11 22 04.66 +18 51 51.6 422
1998-03-26 21:56:28 C 11 22 40.36 +19 03 24.6 046
1998-03-26 21:58:32 C 11 22 40.47 +19 03 27.1 046
1998-03-26 22:00:15 C 11 22 40.56 +19 03 29.7 046
1998-03-28 06:24:33 C 11 24 38.36 +19 41 09.2 658
1998-03-28 06:29:24 C 11 24 38.63 +19 41 14.9 658