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
2001-09-07 11:10:58 C 03 56 09.72 -14 04 46.7 c 644
2001-09-07 11:32:45 C 03 56 09.53 -14 04 45.6 c 644
2001-09-07 11:52:52 C 03 56 09.32 -14 04 43.9 c 644
2001-10-07 12:20:30 C 03 27 27.76 -12 24 01.6 c 644
2001-10-07 12:35:34 C 03 27 26.67 -12 23 57.0 c 644
2001-10-07 12:50:47 C 03 27 25.60 -12 23 53.1 c 644
2001-10-20 10:45:38 C 03 03 27.91 -10 40 03.2 c 608
2001-10-20 11:01:57 C 03 03 26.58 -10 39 56.1 c 608
2001-10-20 11:16:34 C 03 03 25.28 -10 39 50.4 c 608
2008-05-05 18:33:08 C 20 27 03.78 -27 39 41.5 r E12
2008-05-05 18:48:25 C 20 27 07.27 -27 40 02.4 r E12
2008-05-05 18:55:42 C 20 27 08.96 -27 40 12.1 r E12
2008-05-05 19:06:53 C 20 27 11.52 -27 40 27.0 r E12
2008-05-05 19:08:09 C 20 27 11.77 -27 40 28.4 r E12
2008-05-05 19:10:41 C 20 27 12.34 -27 40 32.3 r E12
2008-05-05 19:16:38 C 20 27 13.71 -27 40 39.3 r E12
2008-05-05 19:17:55 C 20 27 14.00 -27 40 42.5 r E12
2008-05-05 19:19:11 C 20 27 14.29 -27 40 43.2 r E12
2008-05-05 19:20:28 C 20 27 14.61 -27 40 45.0 r E12
2008-05-06 14:12:28 C 20 31 39.82 -28 05 59.3 r F85
2008-05-06 14:28:00 C 20 31 43.43 -28 06 20.5 r F85
2008-05-06 14:40:10 C 20 31 46.19 -28 06 36.6 r F85
2008-05-06 18:00:03 C 20 32 33.59 -28 10 59.8 r E12
2008-05-06 18:04:37 C 20 32 34.67 -28 11 05.5 r E12
2008-05-30 08:36:09 C 23 09 52.04 -37 53 59.0 o 807
2008-05-30 08:37:21 C 23 09 52.40 -37 53 59.6 o 807
2008-05-30 08:44:12 C 23 09 54.38 -37 54 03.1 o 807
2008-05-30 08:45:04 C 23 09 54.63 -37 54 03.5 o 807
2008-05-30 08:45:55 C 23 09 54.88 -37 54 03.9 o 807
2008-05-30 08:46:47 C 23 09 55.13 -37 54 04.4 o 807
2008-05-30 08:47:41 C 23 09 55.39 -37 54 04.9 o 807
2008-05-30 08:49:14 C 23 09 55.84 -37 54 05.7 o 807
2008-05-30 08:50:08 C 23 09 56.09 -37 54 06.2 o 807
2008-05-30 08:50:59 C 23 09 56.35 -37 54 06.5 o 807
2008-05-30 08:51:56 C 23 09 56.62 -37 54 07.0 o 807
2008-06-02 14:20:17 C 23 32 31.25 -38 25 29.5 r F85
2008-06-02 15:12:29 C 23 32 45.98 -38 25 47.1 r F85
2008-06-10 13:52:04 C 00 24 56.59 -38 49 00.4 r F85
2008-06-10 14:41:33 C 00 25 09.13 -38 49 00.1 r F85
2008-06-24 13:36:42 C 01 39 32.17 -37 25 47.6 r F85
2008-06-24 15:19:28 C 01 39 50.98 -37 25 11.6 r F85
2008-07-07 14:31:35 C 02 28 59.10 -35 19 23.3 r F85
2008-07-07 15:36:38 C 02 29 07.39 -35 18 58.6 r F85
2008-07-25 14:06:33 C 03 13 03.94 -32 46 14.0 r F85
2008-07-25 15:11:57 C 03 13 08.71 -32 45 56.6 r F85
2015-02-17 14:22:13 C 15 41 11.796 +03 04 25.81 L F51
2015-02-17 14:57:53 C 15 41 14.207 +03 04 18.95 L F51
2015-02-18 14:06:56 C 15 42 50.977 +02 59 54.23 L F51
2015-02-18 14:24:40 C 15 42 52.197 +02 59 50.82 L F51
2015-02-18 14:42:29 C 15 42 53.403 +02 59 47.60 L F51