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
2008-06-09 08:43:50 C 14 36 22.05 +08 38 07.5 r F85
2008-06-10 03:54:34 C 14 35 20.47 +08 21 46.5 r 448
2008-06-10 04:12:10 C 14 35 19.48 +08 21 31.3 r 448
2008-06-10 04:28:43 C 14 35 18.57 +08 21 16.9 r 448
2008-06-19 02:21:57 C 14 25 45.35 +05 00 26.7 o H55
2008-06-19 02:26:19 C 14 25 45.17 +05 00 21.9 o H55
2008-06-19 02:29:48 C 14 25 45.04 +05 00 18.3 o H55
2008-06-26 02:30:56 C 14 20 56.91 +02 00 54.1 o H55
2008-06-26 02:36:21 C 14 20 56.77 +02 00 48.4 o H55
2008-06-26 02:41:08 C 14 20 56.67 +02 00 43.0 o H55
2008-06-27 21:26:12 C 14 20 07.02 +01 12 39.6 o B03
2008-06-27 21:36:56 C 14 20 06.81 +01 12 29.1 o B03
2008-06-27 21:47:40 C 14 20 06.61 +01 12 16.7 o B03
2008-06-27 21:58:24 C 14 20 06.32 +01 12 02.6 o B03
2008-07-15 03:03:48 C 14 20 26.12 -07 05 22.6 o H55
2008-07-15 03:08:02 C 14 20 26.19 -07 05 27.3 o H55
2008-07-15 03:16:30 C 14 20 26.38 -07 05 38.5 o H55
2008-07-15 03:22:33 C 14 20 26.46 -07 05 45.0 o H55
2010-01-14 08:36:21 C 11 15 09.15 +29 12 40.7 o H21
2010-01-14 09:01:41 C 11 15 08.82 +29 12 54.1 o H21
2010-01-14 09:32:28 C 11 15 08.46 +29 13 10.0 o H21
2010-02-21 10:54:27 C 10 41 42.817 +37 14 09.05 L F51
2010-02-21 11:07:55 C 10 41 42.072 +37 14 14.51 L F51
2010-03-08 05:32:24 C 10 22 00.52 +38 56 19.9 o H21
2010-03-08 05:54:05 C 10 21 59.30 +38 56 23.6 o H21
2010-03-08 06:18:01 C 10 21 57.97 +38 56 27.7 o H21
2011-11-24 06:33:03 C 06 42 12.27 +16 57 27.5 o 807
2011-11-24 06:41:51 C 06 42 11.85 +16 57 31.9 o 807
2011-11-24 06:50:36 C 06 42 11.40 +16 57 36.1 o 807
2011-11-25 08:10:14 C 06 40 58.29 +17 10 01.8 o 807
2011-11-25 08:24:50 C 06 40 57.55 +17 10 09.1 o 807
2011-11-29 09:38:47 C 06 35 50.57 +17 59 07.0 o 691
2011-11-29 10:05:57 C 06 35 48.97 +17 59 21.4 o 691
2011-11-29 10:27:54 C 06 35 47.69 +17 59 32.2 o 691
2011-12-06 08:56:11 C 06 25 35.209 +19 27 07.08 L F51
2011-12-06 09:17:28 C 06 25 33.769 +19 27 18.57 L F51
2016-03-09 14:36:55 C 16 48 07.092 -01 24 15.88 L F51
2016-03-09 15:11:26 C 16 48 09.253 -01 24 14.53 L F51
2016-03-09 15:28:44 C 16 48 10.309 -01 24 13.50 L F51
2016-04-09 12:54:33 C 17 29 45.667 -00 34 03.71 L F51
2016-04-09 13:08:32 C 17 29 46.289 -00 34 02.79 L F51
2016-04-09 13:22:34 C 17 29 46.915 -00 34 01.89 L F51
2016-04-09 13:36:32 C 17 29 47.540 -00 34 00.97 L F51
2016-05-08 09:55:14 C 17 52 31.57 -00 56 44.2 q 448
2016-05-08 10:12:33 C 17 52 31.79 -00 56 47.4 q 448
2016-05-08 10:30:40 C 17 52 31.99 -00 56 51.4 q 448
2016-05-19 09:05:31 C 17 54 26.69 -02 26 04.1 o 926
2016-05-19 09:27:31 C 17 54 26.56 -02 26 14.9 o 926
2016-05-19 09:48:00 C 17 54 26.43 -02 26 24.9 o 926
2016-05-21 00:32:17 C 17 54 19.21 -02 46 35.9 q 160