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
2016-05-21 00:35:18 C 17 54 19.20 -02 46 37.8 q 160
2016-05-21 00:38:04 C 17 54 19.18 -02 46 39.1 q 160
2016-05-22 01:23:17 C 17 54 10.64 -03 00 39.6 q 160
2016-05-22 01:26:15 C 17 54 10.64 -03 00 41.2 q 160
2016-05-22 01:29:15 C 17 54 10.62 -03 00 43.3 q 160
2016-05-23 07:10:08 C 17 53 57.07 -03 18 43.5 u H21
2016-05-23 07:13:05 C 17 53 57.04 -03 18 45.1 u H21
2016-05-23 07:16:01 C 17 53 57.00 -03 18 47.0 u H21
2016-05-23 07:18:58 C 17 53 56.97 -03 18 48.9 u H21
2016-05-23 07:21:54 C 17 53 56.92 -03 18 50.9 u H21
2016-05-23 07:24:50 C 17 53 56.89 -03 18 52.8 u H21
2016-05-23 07:27:47 C 17 53 56.85 -03 18 54.5 u H21
2016-05-23 07:30:43 C 17 53 56.83 -03 18 56.3 u H21
2016-05-23 07:33:40 C 17 53 56.78 -03 18 58.1 u H21
2016-05-23 07:37:59 C 17 53 56.72 -03 19 01.0 u H21
2016-05-24 07:20:11 C 17 53 42.69 -03 34 26.7 u H21
2016-05-24 07:26:45 C 17 53 42.57 -03 34 31.0 u H21
2016-05-24 07:32:38 C 17 53 42.48 -03 34 34.6 u H21
2016-05-24 07:39:47 C 17 53 42.38 -03 34 39.5 u H21
2016-05-26 01:31:55 C 17 53 10.77 -04 04 12.5 q 160
2016-05-26 01:34:56 C 17 53 10.71 -04 04 14.8 q 160
2016-05-26 01:37:57 C 17 53 10.65 -04 04 17.1 q 160
2016-05-26 07:36:57 C 17 53 05.96 -04 08 42.4 o 926
2016-05-26 07:56:15 C 17 53 05.61 -04 08 56.8 o 926
2016-05-26 08:15:51 C 17 53 05.21 -04 09 12.0 o 926
2016-05-27 09:47:07 C 17 52 40.46 -04 29 02.1 u 926
2016-05-27 10:07:22 C 17 52 40.00 -04 29 18.3 u 926
2016-05-27 10:30:44 C 17 52 39.51 -04 29 36.7 u 926
2016-05-29 00:52:31 C 17 51 57.32 -05 01 45.6 q G40
2016-05-29 01:12:17 C 17 51 56.82 -05 02 03.1 q G40
2016-05-29 01:28:22 C 17 51 56.43 -05 02 17.3 q G40
2016-05-29 01:43:27 C 17 51 56.05 -05 02 30.5 q G40
2016-05-29 01:58:22 C 17 51 55.69 -05 02 43.3 q G40
2016-05-30 02:57:29 C 17 51 23.01 -05 25 17.1 q G40
2016-05-30 03:13:03 C 17 51 22.60 -05 25 31.6 q G40
2016-05-30 11:09:36 C 17 51 11.96 -05 32 55.6 L T05
2016-05-30 11:27:55 C 17 51 11.46 -05 33 12.6 L T05
2016-05-30 11:47:56 C 17 51 10.91 -05 33 32.0 L T05
2016-05-30 12:07:32 C 17 51 10.41 -05 33 51.4 L T05
2016-06-01 10:58:25 C 17 49 58.67 -06 20 33.1 L T05
2016-06-01 11:19:37 C 17 49 57.97 -06 20 55.6 L T05
2016-06-01 12:00:02 C 17 49 56.63 -06 21 38.2 L T05
2016-06-01 12:20:10 C 17 49 55.98 -06 21 59.3 L T05
2016-06-04 07:44:12 C 17 47 51.07 -07 38 04.2 q 703
2016-06-04 07:52:53 C 17 47 50.78 -07 38 14.2 q 703
2016-06-04 08:01:35 C 17 47 50.43 -07 38 26.2 q 703
2016-06-04 08:10:16 C 17 47 50.06 -07 38 35.7 q 703
2016-06-04 08:33:03 C 17 47 49.08 -07 39 03.8 R G45
2016-06-04 08:39:59 C 17 47 48.83 -07 39 11.6 R G45
2016-06-04 08:41:56 C 17 47 48.73 -07 39 14.2 R G45