20255 (1998 FX2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4920247349 ± 1.11e-08
Semi-major axis (a)2.1512588996 AU ± 2.44e-09
Inclination (i)9.95868414° ± 3.25e-06
Long. of Asc. Node (Ω)180.92289749° ± 4.93e-06
Arg. of Perihelion (ω)17.53078154° ± 1.26e-05
Mean Anomaly (M)269.81766199° ± 6.88e-06
Mean Motion (n)0.3123728329°/day ± 5.31e-10
Perihelion dist (q)1.09278631 AU ± 2.40e-08
Aphelion dist (Q)3.20973149 AU ± 2.42e-08
Orbital Period3.15528810 yr ± 5.36e-09
Physical Parameters
H (abs. magnitude)18.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.467″
Uncertainty0
Orbit TypeAmor
MOID0.101599 AU
Observations Used664
Oppositions16
Arc Total1998-2022
First Observation Used1998-03-20
Last Observation Used2022-12-23
Observations (689)
Date Type RA Dec Mag Band Observatory
1998-03-24 07:20:57 C 11 41 43.11 +04 37 08.7 a 704
1998-03-24 07:21:19 C 11 41 43.22 +04 37 09.6 a 704
1998-03-24 10:30:38 C 11 42 44.71 +04 49 08.7 422
1998-03-24 10:31:53 C 11 42 45.09 +04 49 13.5 422
1998-03-24 10:34:39 C 11 42 45.89 +04 49 22.2 422
1998-03-24 10:41:39 C 11 42 47.92 +04 49 45.9 422
1998-03-24 10:42:50 C 11 42 48.25 +04 49 49.7 422
1998-03-24 10:59:09 C 11 42 52.96 +04 50 45.3 422
1998-03-24 11:00:22 C 11 42 53.36 +04 50 48.9 422
1998-03-24 11:03:51 C 11 42 54.28 +04 51 00.3 422
1998-03-24 11:15:00 C 11 42 58.40 +04 51 37.1 426
1998-03-24 11:20:24 C 11 42 59.97 +04 51 55.2 426
1998-03-24 11:27:07 C 11 43 01.91 +04 52 17.7 426
1998-03-24 11:28:58 C 11 43 02.15 +04 50 52.2 z 355
1998-03-24 11:33:19 C 11 43 03.40 +04 51 06.6 z 355
1998-03-24 11:44:46 C 11 43 06.72 +04 51 45.7 z 355
1998-03-24 11:53:04 C 11 43 09.11 +04 52 13.5 z 355
1998-03-24 11:55:29 C 11 43 04.56 +04 52 42.0 c 566
1998-03-24 12:09:57 C 11 43 08.68 +04 53 30.1 c 566
1998-03-24 12:15:50 C 11 43 15.66 +04 53 28.9 z 897
1998-03-24 12:18:07 C 11 43 16.31 +04 53 36.4 z 897
1998-03-24 12:25:40 C 11 43 13.16 +04 54 22.7 c 566
1998-03-24 12:33:06 C 11 43 20.58 +04 54 26.9 z 897
1998-03-24 12:52:43 C 11 43 26.51 +04 55 34.4 z 900
1998-03-24 12:53:23 C 11 43 26.69 +04 55 36.4 z 402
1998-03-24 12:56:24 C 11 43 27.55 +04 55 46.4 z 402
1998-03-24 12:59:24 C 11 43 28.40 +04 55 56.5 z 402
1998-03-24 13:28:41 C 11 43 36.82 +04 57 35.3 z 900
1998-03-24 13:39:56 C 11 43 39.78 +04 58 12.7 z 355
1998-03-24 13:46:42 C 11 43 41.71 +04 58 35.7 z 355
1998-03-24 13:48:06 C 11 43 42.11 +04 58 40.4 z 355
1998-03-24 19:14:13 C 11 45 24.33 +05 16 41.2 046
1998-03-24 19:15:31 C 11 45 24.68 +05 16 45.6 046
1998-03-24 19:16:51 C 11 45 25.12 +05 16 50.2 046
1998-03-24 21:18:14 C 11 46 01.87 +05 23 47.6 z 112
1998-03-24 21:30:38 C 11 46 05.46 +05 24 30.3 z 112
1998-03-24 21:33:02 C 11 46 06.21 +05 24 38.6 z 112
1998-03-24 21:38:41 C 11 46 07.85 +05 24 58.0 z 112
1998-03-24 21:42:37 C 11 46 09.00 +05 25 11.5 z 112
1998-03-24 21:49:14 C 11 46 10.95 +05 25 33.0 z 112
1998-03-25 03:01:05 C 11 47 49.29 +05 43 32.1 z 758
1998-03-25 03:03:06 C 11 47 49.89 +05 43 38.8 z 758
1998-03-25 03:05:06 C 11 47 50.48 +05 43 45.8 z 758
1998-03-25 03:07:06 C 11 47 51.03 +05 43 52.4 z 758
1998-03-25 11:53:16 C 11 50 32.23 +06 14 06.4 c 566
1998-03-25 12:07:43 C 11 50 36.54 +06 14 55.6 c 566
1998-03-25 12:23:24 C 11 50 41.21 +06 15 49.4 c 566
1998-03-25 12:27:10 C 11 50 48.16 +06 15 41.4 z 367
1998-03-25 12:32:55 C 11 50 49.68 +06 16 02.4 z 402
1998-03-25 12:33:08 C 11 50 49.97 +06 16 02.1 z 367