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
2017-02-13 10:00:52 C 14 28 36.99 -22 19 46.5 q W25
2017-02-13 10:13:22 C 14 28 39.90 -22 19 47.6 q W25
2017-02-13 10:58:13 C 14 28 50.54 -22 19 53.3 q W25
2017-02-23 08:00:45 C 15 27 49.35 -21 53 08.4 q W88
2017-02-23 08:21:23 C 15 27 54.42 -21 53 01.6 q W88
2017-02-23 08:30:45 C 15 27 56.72 -21 52 58.3 q W88
2017-02-23 17:03:52 C 15 30 05.60 -21 49 59.2 v Q62
2017-02-23 17:29:00 C 15 30 11.75 -21 49 50.4 v Q62
2017-02-23 17:54:09 C 15 30 17.93 -21 49 41.2 v Q62
2017-02-26 10:37:35 C 15 46 26.71 -21 22 44.0 q W25
2017-02-26 10:47:20 C 15 46 29.12 -21 22 39.3 q W25
2017-03-10 07:50:25 C 16 53 53.60 -17 59 29.8 q W88
2017-03-10 08:30:52 C 16 54 02.34 -17 58 54.5 q W88
2017-03-16 10:35:42 C 17 24 43.99 -15 38 56.5 q W25
2017-03-16 10:51:02 C 17 24 46.98 -15 38 41.9 q W25
2017-04-14 10:37:48 C 19 07 21.38 -03 50 29.7 o 926
2017-04-14 10:50:53 C 19 07 22.60 -03 50 18.1 o 926
2017-05-13 08:17:12 C 19 48 53.41 +04 26 50.7 q W25
2017-05-13 08:56:13 C 19 48 54.11 +04 27 10.2 q W25
2017-06-27 11:54:39 C 19 21 21.04 +05 04 32.7 L T08
2017-06-27 12:07:53 C 19 21 20.34 +05 04 28.2 L T08
2017-06-27 12:21:53 C 19 21 19.57 +05 04 21.4 L T08
2017-06-27 12:35:08 C 19 21 18.83 +05 04 15.8 L T08
2019-12-28 01:41:02 C 06 46 35.14 +01 30 48.1 V C95
2019-12-28 01:59:14 C 06 46 34.15 +01 30 44.9 V C95
2020-01-20 21:13:20 C 06 11 33.98 +01 32 12.5 V 130
2020-01-20 21:20:37 C 06 11 33.52 +01 32 14.0 V 130
2020-01-24 09:30:38 C 06 06 45.80 +01 51 38.3 V T08
2020-01-24 09:35:20 C 06 06 45.56 +01 51 39.2 V T08
2020-01-24 09:42:51 C 06 06 45.13 +01 51 42.4 V T08
2020-01-24 09:58:17 C 06 06 44.21 +01 51 46.4 V T08
2020-01-26 09:40:26 C 06 04 11.80 +02 04 49.7 V T05
2020-01-26 09:45:04 C 06 04 11.58 +02 04 50.7 V T05
2020-01-26 09:53:21 C 06 04 11.17 +02 04 53.3 V T05
2020-01-26 10:08:58 C 06 04 10.32 +02 04 58.4 V T05
2020-01-31 07:04:37 C 05 58 36.787 +02 43 00.82 U F51
2020-01-31 07:23:49 C 05 58 35.892 +02 43 07.81 U F51
2020-01-31 07:43:07 C 05 58 34.993 +02 43 14.62 U F51
2020-02-01 02:35:21 C 05 57 47.38 +02 50 05.8 V G96
2020-02-01 02:41:36 C 05 57 47.07 +02 50 08.2 V G96
2020-02-01 02:47:52 C 05 57 46.81 +02 50 09.9 V G96
2020-02-01 02:54:07 C 05 57 46.57 +02 50 12.3 V G96
2020-02-16 03:55:28 C 05 48 43.41 +05 33 41.4 V G96
2020-02-16 04:03:37 C 05 48 43.32 +05 33 45.6 V G96
2020-02-16 04:11:43 C 05 48 43.24 +05 33 49.9 V G96
2020-02-16 04:19:50 C 05 48 43.15 +05 33 54.1 V G96
2020-02-19 05:06:39 C 05 48 27.23 +06 12 27.3 V 703
2020-02-19 05:15:37 C 05 48 27.23 +06 12 33.0 V 703
2020-02-19 05:33:31 C 05 48 27.19 +06 12 41.8 V 703
2020-02-24 02:44:51 C 05 49 12.41 +07 17 25.5 U I41