309728 (2008 JF)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3932094323 ± 3.25e-08
Semi-major axis (a)1.9071331039 AU ± 5.33e-09
Inclination (i)19.79913747° ± 4.69e-06
Long. of Asc. Node (Ω)90.62661317° ± 8.26e-06
Arg. of Perihelion (ω)235.86201758° ± 1.08e-05
Mean Anomaly (M)180.97382205° ± 5.10e-06
Mean Motion (n)0.3742318695°/day ± 1.57e-09
Perihelion dist (q)1.15723038 AU ± 6.20e-08
Aphelion dist (Q)2.65703583 AU ± 6.24e-08
Orbital Period2.63373155 yr ± 1.10e-08
Physical Parameters
H (abs. magnitude)17.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.323″
Uncertainty0
Orbit TypeAmor
MOID0.242068 AU
Observations Used420
Oppositions14
Arc Total2003-2025
First Observation Used2003-09-30
Last Observation Used2025-01-18
Observations (436)
Date Type RA Dec Mag Band Observatory
2024-12-01 07:26:32 C 03 27 29.801 -05 45 33.66 V 703
2024-12-01 07:29:46 C 03 27 29.599 -05 45 29.84 V 703
2024-12-01 07:33:00 C 03 27 29.354 -05 45 27.58 V 703
2024-12-01 07:36:14 C 03 27 29.264 -05 45 23.15 V 703
2024-12-03 09:09:13 C 03 24 52.404 -04 50 32.26 X F51
2024-12-03 09:25:27 C 03 24 51.528 -04 50 14.33 X F51
2024-12-03 09:41:40 C 03 24 50.655 -04 49 56.37 X F51
2024-12-07 06:01:48 C 03 20 33.286 -03 08 33.31 X F52
2024-12-07 06:20:19 C 03 20 32.454 -03 08 13.14 X F52
2024-12-07 06:38:57 C 03 20 31.621 -03 07 52.85 X F52
2024-12-07 06:57:29 C 03 20 30.782 -03 07 32.68 X F52
2024-12-08 08:36:43 C 03 19 27.058 -02 39 40.39 V T05
2024-12-08 08:41:18 C 03 19 26.904 -02 39 35.21 V T05
2024-12-08 08:49:23 C 03 19 26.532 -02 39 25.96 V T05
2024-12-08 09:04:49 C 03 19 25.786 -02 39 10.55 V T05
2024-12-19 06:46:24 C 03 11 59.002 +01 53 27.79 X F52
2024-12-19 06:47:19 C 03 11 58.983 +01 53 28.73 X F52
2024-12-19 06:57:30 C 03 11 58.783 +01 53 38.85 X F52
2024-12-19 07:06:47 C 03 11 58.601 +01 53 48.09 X F52
2024-12-19 07:07:42 C 03 11 58.580 +01 53 48.87 X F52
2024-12-19 07:16:57 C 03 11 58.394 +01 53 58.02 X F52
2024-12-19 07:17:52 C 03 11 58.377 +01 53 59.02 X F52
2024-12-23 07:25:31 C 03 10 41.218 +03 27 29.15 X F51
2024-12-23 07:42:10 C 03 10 41.017 +03 27 44.93 X F51
2024-12-23 07:58:53 C 03 10 40.811 +03 28 00.91 X F51
2024-12-26 04:34:45 C 03 10 12.576 +04 32 17.59 V G96
2024-12-26 04:42:16 C 03 10 12.515 +04 32 24.65 V G96
2024-12-26 04:49:48 C 03 10 12.468 +04 32 31.42 V G96
2024-12-26 04:57:19 C 03 10 12.432 +04 32 38.47 V G96
2024-12-31 06:08:35 C 03 10 13.941 +06 21 20.25 X F51
2024-12-31 06:31:10 C 03 10 13.990 +06 21 40.12 X F51
2024-12-31 06:47:43 C 03 10 14.028 +06 21 54.39 X F51
2025-01-18 05:48:19 C 03 17 52.156 +11 59 27.06 V V00
2025-01-18 05:56:25 C 03 17 52.382 +11 59 32.68 V V00
2025-01-18 06:04:30 C 03 17 52.602 +11 59 38.29 V V00
2025-01-18 06:12:34 C 03 17 52.843 +11 59 43.98 V V00