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
2016-06-04 08:46:36 C 17 47 48.65 -07 39 20.4 R G45
2016-06-04 08:48:40 C 17 47 48.46 -07 39 22.5 R G45
2016-06-04 08:53:38 C 17 47 48.29 -07 39 28.1 R G45
2016-06-04 08:55:55 C 17 47 48.17 -07 39 31.2 R G45
2016-06-04 09:00:36 C 17 47 48.02 -07 39 36.8 R G45
2016-06-04 09:02:38 C 17 47 47.92 -07 39 39.4 R G45
2016-06-09 00:52:09 C 17 43 23.81 -10 10 39.5 q G40
2016-06-09 02:27:23 C 17 43 18.98 -10 13 02.1 q G40
2016-06-09 02:47:11 C 17 43 17.98 -10 13 31.8 q G40
2016-06-09 03:07:12 C 17 43 16.98 -10 14 01.6 q G40
2016-06-09 10:28:55 C 17 42 57.69 -10 25 07.3 L T05
2016-06-09 10:49:03 C 17 42 56.64 -10 25 37.7 L T05
2016-06-09 11:09:26 C 17 42 55.56 -10 26 09.5 L T05
2016-06-09 11:29:34 C 17 42 54.54 -10 26 39.8 L T05
2016-06-13 06:04:52 C 17 38 24.34 -12 56 00.2 R G45
2016-06-13 07:05:53 C 17 38 20.67 -12 57 49.0 R G45
2016-06-13 07:11:19 C 17 38 20.35 -12 57 58.6 R G45
2016-06-13 07:20:15 C 17 38 19.80 -12 58 14.2 R G45
2016-06-13 07:25:41 C 17 38 19.48 -12 58 24.1 R G45
2016-06-13 07:53:32 C 17 38 17.92 -12 59 12.9 u 926
2016-06-13 08:06:33 C 17 38 17.12 -12 59 35.8 u 926
2016-06-13 08:20:35 C 17 38 16.28 -13 00 00.6 u 926
2016-06-13 10:07:03 C 17 38 11.01 -13 03 07.1 L T05
2016-06-13 10:27:14 C 17 38 09.74 -13 03 43.4 L T05
2016-06-13 10:47:53 C 17 38 08.51 -13 04 20.0 L T05
2016-06-13 11:08:12 C 17 38 07.26 -13 04 56.3 L T05
2016-06-14 09:08:38 C 17 36 53.64 -13 45 00.4 u 926
2016-06-14 09:22:07 C 17 36 52.83 -13 45 25.3 u 926
2016-06-14 09:39:35 C 17 36 51.75 -13 45 57.2 u 926
2016-06-15 06:26:18 C 17 35 41.29 -14 25 01.7 u 926
2016-06-15 06:43:02 C 17 35 40.23 -14 25 33.8 u 926
2016-06-15 06:55:16 C 17 35 39.43 -14 25 57.2 u 926
2016-06-16 05:42:18 C 17 34 18.68 -15 10 11.4 u 926
2016-06-16 05:47:54 C 17 34 18.30 -15 10 22.5 u 926
2016-06-16 05:53:32 C 17 34 17.95 -15 10 34.0 u 926
2016-06-24 21:09:41 C 17 19 58.68 -22 56 55.5 17.4 q B04
2016-06-24 21:18:33 C 17 19 57.94 -22 57 17.5 17.2 q B04
2016-06-24 21:22:34 C 17 19 57.64 -22 57 27.5 17.4 q B04
2016-06-24 21:26:35 C 17 19 57.30 -22 57 38.3 17.2 q B04
2016-08-26 10:10:51 C 16 56 22.95 -75 50 04.4 r Q62
2016-08-26 10:35:11 C 16 56 28.32 -75 50 30.6 r Q62
2016-10-23 21:09:42 C 23 58 55.25 -56 09 11.2 o K95
2016-10-23 21:17:05 C 23 58 55.70 -56 08 55.9 o K95
2016-10-23 21:28:09 C 23 58 56.61 -56 08 33.8 o K95
2019-12-07 10:10:29 C 07 33 05.23 +24 33 16.6 V G96
2019-12-07 10:18:00 C 07 33 04.86 +24 33 20.6 V G96
2019-12-07 10:25:31 C 07 33 04.52 +24 33 24.6 V G96
2019-12-07 10:33:03 C 07 33 04.15 +24 33 28.2 V G96
2019-12-08 13:54:04 C 07 31 49.975 +24 47 50.62 U F52
2019-12-08 14:11:19 C 07 31 49.137 +24 47 59.71 U F52