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
2003-09-30 11:10:33 C 05 48 32.036 -01 15 11.42 e 645
2003-09-30 11:15:33 C 05 48 32.186 -01 15 10.90 20.98 e 645
2003-12-16 06:39:13 C 04 36 11.77 +11 35 50.7 c 691
2003-12-16 07:18:57 C 04 36 09.17 +11 36 16.2 c 691
2003-12-16 08:00:32 C 04 36 06.45 +11 36 42.9 c 691
2008-05-01 08:15:48 C 15 38 05.60 +13 41 04.2 r 703
2008-05-01 08:23:39 C 15 38 05.17 +13 41 05.9 r 703
2008-05-01 08:31:31 C 15 38 04.70 +13 41 07.1 r 703
2008-05-01 08:39:20 C 15 38 04.23 +13 41 08.1 r 703
2008-05-01 09:22:33 C 15 38 01.71 +13 41 13.7 r 703
2008-05-01 09:28:41 C 15 38 01.41 +13 41 14.3 r 703
2008-05-01 09:34:51 C 15 38 01.02 +13 41 16.8 r 703
2008-05-01 22:39:25 C 15 37 18.96 +13 43 10.1 o A74
2008-05-01 22:46:05 C 15 37 18.56 +13 43 10.8 o 198
2008-05-01 22:48:07 C 15 37 18.45 +13 43 11.1 o 198
2008-05-01 22:50:08 C 15 37 18.34 +13 43 11.4 o 198
2008-05-01 22:52:10 C 15 37 18.23 +13 43 11.7 o 198
2008-05-01 22:52:55 C 15 37 18.20 +13 43 11.6 o A74
2008-05-01 23:08:04 C 15 37 17.33 +13 43 13.7 o A74
2008-05-02 07:53:59 C 15 36 48.28 +13 44 30.4 r 701
2008-05-02 08:25:59 C 15 36 46.38 +13 44 34.9 r 701
2008-05-02 08:48:19 C 15 36 45.14 +13 44 37.7 r G96
2008-05-02 08:57:02 C 15 36 44.64 +13 44 38.8 r G96
2008-05-02 08:57:59 C 15 36 44.53 +13 44 38.8 r 701
2008-05-02 09:05:42 C 15 36 44.13 +13 44 39.9 r G96
2008-05-02 09:14:19 C 15 36 43.63 +13 44 41.1 r G96
2008-05-02 09:29:58 C 15 36 42.70 +13 44 43.6 r 701
2008-05-02 09:57:01 C 15 36 41.14 +13 44 46.7 o 291
2008-05-02 10:02:46 C 15 36 40.82 +13 44 47.4 o 291
2008-05-02 10:13:24 C 15 36 40.20 +13 44 49.0 o 291
2008-06-04 05:09:38 C 14 43 36.86 +10 13 30.6 19.2 c 704
2008-06-04 05:24:15 C 14 43 35.93 +10 13 19.8 20.0 c 704
2008-06-04 05:38:48 C 14 43 34.86 +10 13 10.3 20.0 c 704
2008-06-04 05:53:22 C 14 43 33.95 +10 12 59.3 19.4 c 704
2008-06-04 06:07:56 C 14 43 33.00 +10 12 47.2 19.3 c 704
2008-06-04 22:11:51 C 14 42 33.53 +10 01 10.7 r J95
2008-06-04 22:17:30 C 14 42 33.14 +10 01 06.9 r J95
2008-06-04 22:23:06 C 14 42 32.83 +10 01 02.6 r J95
2008-06-05 04:26:19 C 14 42 10.86 +09 56 40.9 o 673
2008-06-05 04:46:19 C 14 42 09.56 +09 56 26.2 o 673
2008-06-05 05:16:20 C 14 42 07.61 +09 56 03.8 o 673
2008-06-05 05:26:30 C 14 42 06.94 +09 55 56.0 o 673
2008-06-05 06:25:32 C 14 42 03.11 +09 55 12.4 c 854
2008-06-05 06:31:04 C 14 42 02.71 +09 55 08.7 c 854
2008-06-05 06:36:35 C 14 42 02.40 +09 55 05.0 c 854
2008-06-09 05:09:52 C 14 36 33.86 +08 40 53.6 r 448
2008-06-09 05:25:37 C 14 36 32.95 +08 40 40.5 r 448
2008-06-09 05:41:53 C 14 36 32.01 +08 40 26.5 r 448
2008-06-09 07:39:41 C 14 36 25.75 +08 39 01.1 r F85
2008-06-09 08:11:26 C 14 36 23.91 +08 38 34.0 r F85