508997 (2005 FL4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7078457050 ± 5.87e-08
Semi-major axis (a)2.6860778248 AU ± 4.91e-08
Inclination (i)28.50347448° ± 1.54e-05
Long. of Asc. Node (Ω)66.33906467° ± 3.90e-05
Arg. of Perihelion (ω)177.94347635° ± 3.75e-05
Mean Anomaly (M)259.45034929° ± 2.08e-05
Mean Motion (n)0.2238898415°/day ± 6.14e-09
Perihelion dist (q)0.78474917 AU ± 1.58e-07
Aphelion dist (Q)4.58740648 AU ± 1.79e-07
Orbital Period4.40228229 yr ± 1.21e-07
Physical Parameters
H (abs. magnitude)17.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.337″
Uncertainty0
Orbit TypeApollo
MOID0.229200 AU
Observations Used89
Oppositions12
Arc Total2005-2021
First Observation Used2005-03-30
Last Observation Used2021-12-01
Observations (108)
Date Type RA Dec Mag Band Observatory
2017-11-27 11:18:19 C 09 38 41.11 +41 36 05.7 U V06
2017-11-27 11:21:38 C 09 38 41.23 +41 36 07.6 U V06
2017-11-27 11:23:21 C 09 38 41.33 +41 36 09.1 U V06
2017-11-27 11:59:56 C 09 38 42.86 +41 36 28.9 U I52
2017-11-27 12:03:31 C 09 38 43.01 +41 36 30.5 U I52
2017-11-27 12:07:05 C 09 38 43.21 +41 36 32.8 U I52
2018-01-05 08:28:56 C 10 03 23.37 +54 38 37.8 U G96
2018-01-05 08:36:35 C 10 03 23.34 +54 38 46.5 U G96
2018-01-05 08:44:13 C 10 03 23.29 +54 38 55.3 U G96
2018-01-05 08:51:50 C 10 03 23.20 +54 39 04.0 U G96
2018-01-07 13:02:02 C 10 03 02.612 +55 39 14.77 U F51
2018-01-07 13:41:54 C 10 03 02.093 +55 40 01.24 U F51
2018-01-07 14:01:50 C 10 03 01.830 +55 40 24.45 U F51
2018-01-14 08:29:41 C 09 59 49.07 +58 55 06.4 U 703
2018-01-14 08:37:26 C 09 59 48.69 +58 55 16.1 U 703
2018-01-14 08:45:14 C 09 59 48.43 +58 55 27.1 U 703
2018-01-14 08:53:01 C 09 59 48.17 +58 55 35.2 U 703
2018-01-17 08:24:50 C 09 57 09.33 +60 23 34.6 U 703
2018-01-17 08:32:38 C 09 57 09.04 +60 23 43.3 U 703
2018-01-17 08:48:15 C 09 57 08.38 +60 24 01.8 U 703
2018-01-22 06:20:35 C 09 50 47.35 +62 48 57.8 U 703
2018-01-22 06:28:22 C 09 50 46.86 +62 49 07.9 U 703
2018-01-22 06:36:10 C 09 50 46.33 +62 49 17.4 U 703
2018-01-22 06:43:58 C 09 50 45.81 +62 49 27.2 U 703
2018-02-04 06:22:42 C 09 18 12.73 +68 46 03.0 U 703
2018-02-04 06:30:31 C 09 18 11.51 +68 46 11.1 U 703
2018-02-04 06:38:20 C 09 18 10.17 +68 46 19.7 U 703
2018-02-04 06:46:09 C 09 18 09.16 +68 46 26.9 U 703
2018-02-07 05:24:52 C 09 06 55.58 +69 54 44.4 U 703
2018-02-07 05:32:36 C 09 06 54.09 +69 54 50.5 U 703
2018-02-07 05:48:03 C 09 06 51.28 +69 55 04.8 U 703
2018-03-05 02:39:46 S 06 52 52.01 +73 37 41.7 L C51
2018-03-05 05:48:17 S 06 52 16.71 +73 37 07.8 L C51
2018-03-05 07:22:32 S 06 51 58.97 +73 36 51.0 L C51
2018-03-05 08:56:47 S 06 51 41.57 +73 36 33.7 L C51
2018-03-05 10:31:02 S 06 51 23.75 +73 36 15.8 L C51
2018-03-05 15:13:36 S 06 50 31.418 +73 35 24.14 L C51
2018-03-05 18:22:07 S 06 49 56.63 +73 34 44.3 L C51
2018-03-16 11:24:58 C 06 13 38.52 +72 13 01.4 q D29
2018-03-16 11:44:49 C 06 13 36.32 +72 12 53.8 q D29
2018-03-16 12:04:39 C 06 13 34.28 +72 12 45.8 q D29
2018-04-19 03:06:50 C 06 01 49.59 +65 24 03.3 U 703
2018-04-19 03:22:13 C 06 01 49.56 +65 23 54.2 U 703
2018-04-19 03:29:54 C 06 01 49.81 +65 23 49.3 U 703
2018-04-19 21:08:19 C 06 02 17.00 +65 12 16.8 V 204
2018-04-19 21:14:22 C 06 02 17.14 +65 12 12.5 V 204
2018-04-19 21:20:25 C 06 02 17.30 +65 12 08.6 V 204
2018-07-31 13:29:37 S 03 44 02.95 -36 48 41.4 L C51
2018-07-31 18:12:22 S 03 43 55.88 -36 51 55.0 L C51
2018-07-31 21:20:41 S 03 43 50.96 -36 54 03.5 L C51