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
2020-02-24 02:57:17 C 05 49 12.54 +07 17 32.5 U I41
2020-02-24 03:02:00 C 05 49 12.59 +07 17 35.4 U I41
2020-02-27 03:14:24 C 05 50 23.02 +07 58 43.2 U I41
2020-02-27 03:36:52 C 05 50 23.42 +07 58 56.3 U I41
2020-02-27 04:08:04 C 05 50 23.95 +07 59 13.5 U I41
2020-04-13 11:58:45 C 07 12 19.05 +18 20 48.3 q D29
2020-04-13 12:19:07 C 07 12 21.47 +18 20 56.9 q D29
2020-04-23 03:36:37 C 07 43 22.57 +19 56 06.8 V 703
2020-04-23 03:44:47 C 07 43 23.79 +19 56 08.4 V 703
2020-04-23 03:52:57 C 07 43 25.01 +19 56 11.8 V 703
2020-04-23 04:01:07 C 07 43 26.07 +19 56 14.9 V 703
2020-04-28 04:24:55 C 08 01 23.56 +20 35 34.6 U I41
2020-04-28 04:37:51 C 08 01 25.53 +20 35 38.3 U I41
2020-04-28 04:51:11 C 08 01 27.57 +20 35 41.9 U I41
2020-04-28 04:52:29 C 08 01 27.76 +20 35 42.2 U I41
2020-05-10 12:09:51 C 08 50 22.58 +21 32 38.0 q D29
2020-05-10 12:30:13 C 08 50 26.15 +21 32 39.4 q D29
2020-05-10 12:50:36 C 08 50 29.68 +21 32 40.6 q D29
2020-05-20 04:35:50 C 09 33 03.57 +21 27 41.9 V 703
2020-05-20 04:44:04 C 09 33 05.09 +21 27 41.1 V 703
2020-05-20 04:52:16 C 09 33 06.75 +21 27 40.0 V 703
2020-05-20 05:00:29 C 09 33 08.32 +21 27 38.7 V 703
2020-05-25 04:40:18 C 09 56 13.56 +21 04 44.0 V 703
2020-05-25 04:48:44 C 09 56 15.12 +21 04 41.7 V 703
2020-05-25 05:05:34 C 09 56 18.34 +21 04 35.1 V 703
2022-12-01 08:00:29 C 05 03 23.558 +06 17 18.53 V G96
2022-12-01 08:07:55 C 05 03 23.170 +06 17 16.33 V G96
2022-12-01 08:15:20 C 05 03 22.730 +06 17 15.04 V G96
2022-12-01 08:22:44 C 05 03 22.367 +06 17 12.91 V G96
2022-12-15 08:42:51 C 04 44 26.229 +05 08 52.22 U F51
2022-12-15 09:00:48 C 04 44 25.145 +05 08 49.57 U F51
2022-12-15 09:16:16 C 04 44 24.240 +05 08 47.19 U F51
2022-12-15 09:31:47 C 04 44 23.302 +05 08 44.83 U F51
2022-12-19 09:11:01 C 04 38 55.061 +04 56 07.91 V G96
2022-12-19 09:18:27 C 04 38 54.665 +04 56 07.15 V G96
2022-12-19 09:25:52 C 04 38 54.179 +04 56 06.90 V G96
2022-12-19 09:33:17 C 04 38 53.819 +04 56 05.57 V G96
2022-12-23 13:47:24 C 04 33 21.34 +04 46 47.9 V D29
2022-12-23 14:07:46 C 04 33 20.11 +04 46 45.9 V D29