428681 (2008 JA8)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5071300430 ± 1.49e-08
Semi-major axis (a)2.3134051058 AU ± 2.32e-09
Inclination (i)24.21318907° ± 3.81e-06
Long. of Asc. Node (Ω)62.45931852° ± 2.99e-06
Arg. of Perihelion (ω)231.35333765° ± 6.89e-06
Mean Anomaly (M)340.16617626° ± 2.88e-06
Mean Motion (n)0.2801139525°/day ± 4.22e-10
Perihelion dist (q)1.14020788 AU ± 3.45e-08
Aphelion dist (Q)3.48660234 AU ± 3.47e-08
Orbital Period3.51866187 yr ± 5.30e-09
Physical Parameters
H (abs. magnitude)17.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.216″
Uncertainty0
Orbit TypeAmor
MOID0.235948 AU
Observations Used376
Oppositions17
Arc Total2001-2025
First Observation Used2001-09-07
Last Observation Used2025-03-31
Observations (449)
Date Type RA Dec Mag Band Observatory
2022-05-20 09:01:45 C 15 12 13.640 -06 30 44.75 V 703
2022-05-20 15:25:15 C 15 11 32.55 -06 44 02.0 V D29
2022-05-20 15:49:26 C 15 11 29.75 -06 44 52.6 V D29
2022-05-20 16:13:37 C 15 11 26.95 -06 45 43.0 V D29
2022-05-21 21:24:47 C 15 08 12.17 -07 48 09.8 V G17
2022-05-21 21:30:15 C 15 08 11.52 -07 48 21.9 V G17
2022-05-21 21:35:44 C 15 08 10.86 -07 48 33.8 V G17
2022-05-22 06:48:16 C 15 07 07.486 -08 08 45.96 V G96
2022-05-22 06:56:23 C 15 07 06.506 -08 09 03.92 V G96
2022-05-22 07:04:31 C 15 07 05.524 -08 09 21.92 V G96
2022-05-22 07:12:39 C 15 07 04.534 -08 09 40.10 V G96
2022-05-22 19:22:02 C 15 05 41.61 -08 36 26.3 V 221
2022-05-22 19:35:27 C 15 05 39.98 -08 36 56.8 V 221
2022-05-22 19:48:52 C 15 05 38.34 -08 37 27.2 V 221
2022-05-22 20:25:39 C 15 05 33.791 -08 39 12.92 V L92
2022-05-22 20:33:55 C 15 05 32.830 -08 39 34.49 V L92
2022-05-22 20:44:14 C 15 05 31.497 -08 39 59.24 V L92
2022-05-23 08:45:31 C 15 04 05.779 -09 07 17.72 V 703
2022-05-23 08:53:06 C 15 04 04.840 -09 07 35.29 V 703
2022-05-23 09:00:42 C 15 04 03.886 -09 07 51.96 V 703
2022-05-23 09:08:18 C 15 04 02.953 -09 08 09.53 V 703
2022-05-23 09:19:01 C 15 04 02.686 -09 08 30.52 V T08
2022-05-23 09:24:21 C 15 04 02.014 -09 08 42.58 V T08
2022-05-23 09:32:18 C 15 04 01.003 -09 09 00.86 V T08
2022-05-23 09:33:07 C 15 04 00.932 -09 09 03.18 U F52
2022-05-23 09:48:59 C 15 03 58.932 -09 09 39.06 V T08
2022-05-23 09:49:36 C 15 03 58.870 -09 09 41.08 U F52
2022-05-23 10:06:12 C 15 03 56.801 -09 10 19.16 U F52
2022-05-23 15:44:56 C 15 03 16.74 -09 23 25.9 V D29
2022-05-23 15:46:13 C 15 03 16.60 -09 23 28.8 V D29
2022-05-23 16:11:40 C 15 03 13.40 -09 24 27.4 V D29
2022-05-23 16:12:57 C 15 03 13.24 -09 24 30.6 V D29
2022-05-23 16:38:24 C 15 03 10.06 -09 25 29.5 V D29
2022-05-23 16:39:40 C 15 03 09.91 -09 25 32.3 V D29
2022-05-25 09:07:43 C 14 58 16.282 -11 01 52.86 V T05
2022-05-25 09:13:42 C 14 58 15.538 -11 02 07.37 V T05
2022-05-25 09:18:58 C 14 58 14.854 -11 02 20.22 V T05
2022-05-25 09:22:24 C 14 58 14.357 -11 02 29.18 V T05
2022-05-25 09:23:03 C 14 58 14.316 -11 02 30.19 V T05
2022-05-25 10:08:16 C 14 58 08.390 -11 04 20.71 V T05
2022-05-25 10:18:09 C 14 58 07.109 -11 04 44.80 V T05
2022-05-26 04:10:11 C 14 55 53.654 -11 48 32.69 V W68
2022-05-26 04:14:45 C 14 55 53.050 -11 48 44.03 V W68
2022-05-26 04:21:55 C 14 55 52.097 -11 49 01.99 V W68
2022-05-26 04:38:00 C 14 55 49.978 -11 49 42.10 V W68
2022-05-27 04:41:20 C 14 52 46.627 -12 50 38.26 V W68
2022-05-27 04:48:59 C 14 52 45.607 -12 50 57.88 V W68
2022-05-27 04:53:35 C 14 52 44.971 -12 51 09.47 V W68
2022-05-27 05:08:06 C 14 52 43.027 -12 51 46.73 V W68
2022-05-27 07:48:48 C 14 52 22.372 -12 59 06.94 V 703