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
2019-12-08 14:28:26 C 07 31 48.333 +24 48 08.44 U F52
2019-12-08 14:45:36 C 07 31 47.502 +24 48 17.45 U F52
2019-12-17 11:58:02 C 07 20 26.73 +26 41 48.1 V G96
2019-12-17 12:04:47 C 07 20 26.34 +26 41 51.5 V G96
2019-12-17 12:11:33 C 07 20 25.99 +26 41 55.2 V G96
2019-12-17 12:18:19 C 07 20 25.49 +26 41 58.8 V G96
2021-04-18 08:55:19 C 13 31 12.03 +26 50 16.4 V G96
2021-04-18 09:03:30 C 13 31 11.51 +26 50 17.7 V G96
2021-04-18 09:11:41 C 13 31 11.02 +26 50 18.6 V G96
2021-04-18 09:19:51 C 13 31 10.50 +26 50 19.6 V G96
2021-05-05 06:57:20 C 13 08 08.97 +26 34 21.5 V G96
2021-05-05 07:05:26 C 13 08 08.52 +26 34 20.3 V G96
2021-05-05 07:13:31 C 13 08 08.09 +26 34 18.6 V G96
2021-05-05 07:21:38 C 13 08 07.65 +26 34 15.5 V G96
2021-05-10 06:42:37 C 13 02 29.123 +26 03 14.53 U F51
2021-05-10 07:00:37 C 13 02 28.291 +26 03 09.17 U F51
2021-05-10 07:18:42 C 13 02 27.463 +26 03 03.64 U F51
2021-05-10 07:36:45 C 13 02 26.633 +26 02 58.18 U F51
2021-05-18 05:28:15 C 12 55 08.06 +24 51 47.6 V G96
2021-05-18 05:35:37 C 12 55 07.84 +24 51 44.3 V G96
2021-05-18 05:43:00 C 12 55 07.58 +24 51 41.0 V G96
2021-05-18 05:50:22 C 12 55 07.31 +24 51 37.8 V G96
2023-01-28 06:31:10 C 09 50 16.49 +36 09 45.3 u H21
2023-01-28 06:45:11 C 09 50 15.71 +36 09 52.1 u H21
2024-05-08 10:39:34 C 20 41 39.282 -13 15 33.73 V G96
2024-05-08 10:47:02 C 20 41 40.384 -13 15 36.18 V G96
2024-05-08 10:54:28 C 20 41 41.464 -13 15 38.27 V G96
2024-05-08 11:01:53 C 20 41 42.536 -13 15 40.72 V G96
2024-05-09 10:23:23 C 20 45 11.786 -13 22 51.92 V G96
2024-05-09 10:30:53 C 20 45 12.899 -13 22 54.44 V G96
2024-05-09 10:38:25 C 20 45 14.015 -13 22 57.14 V G96
2024-05-09 10:45:56 C 20 45 15.116 -13 22 59.48 V G96
2024-05-31 08:10:55 C 22 15 11.479 -16 52 54.08 V W68
2024-05-31 08:15:29 C 22 15 12.290 -16 52 55.99 V W68
2024-05-31 08:50:57 C 22 15 19.121 -16 53 13.52 V W68
2024-05-31 08:59:39 C 22 15 20.803 -16 53 17.52 V W68
2024-06-17 08:49:40 C 23 40 54.110 -20 08 45.24 V W68
2024-06-17 08:54:59 C 23 40 55.231 -20 08 47.90 V W68
2024-06-17 08:59:35 C 23 40 56.278 -20 08 49.78 V W68
2024-06-17 09:08:44 C 23 40 58.291 -20 08 53.48 V W68
2024-07-03 09:00:02 C 01 06 30.194 -22 24 20.45 V W68
2024-07-03 09:04:36 C 01 06 31.169 -22 24 21.35 V W68
2024-07-03 09:09:16 C 01 06 32.143 -22 24 23.26 V W68
2024-07-03 09:29:08 C 01 06 36.451 -22 24 27.58 V W68
2024-07-06 08:41:43 C 01 21 55.178 -22 40 09.88 V W68
2024-07-06 08:46:19 C 01 21 56.107 -22 40 10.13 V W68
2024-07-06 09:02:52 C 01 21 59.587 -22 40 14.23 V W68
2024-07-06 09:10:43 C 01 22 01.157 -22 40 15.85 V W68
2024-07-07 08:32:41 C 01 26 57.859 -22 44 44.70 V W68
2024-07-07 08:36:55 C 01 26 58.738 -22 44 45.35 V W68