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
2015-10-23 02:55:57 C 01 02 25.16 -37 13 55.3 u 807
2015-10-23 02:58:20 C 01 02 25.03 -37 13 51.7 u 807
2015-10-23 03:01:03 C 01 02 24.87 -37 13 47.5 u 807
2015-10-24 05:33:02 C 01 00 53.43 -36 32 17.5 u 807
2015-10-24 05:35:25 C 01 00 53.29 -36 32 13.8 u 807
2015-10-24 05:38:19 C 01 00 53.13 -36 32 09.2 u 807
2015-10-24 05:41:02 C 01 00 52.98 -36 32 05.0 u 807
2015-10-24 05:43:25 C 01 00 52.84 -36 32 01.3 u 807
2015-10-27 04:30:44 C 00 57 14.94 -34 41 23.0 u 807
2015-10-27 04:37:00 C 00 57 14.64 -34 41 13.1 u 807
2015-10-27 04:43:30 C 00 57 14.30 -34 41 02.9 u 807
2015-11-10 05:00:29 C 00 47 04.85 -26 12 12.3 R G45
2015-11-10 05:03:27 C 00 47 04.83 -26 12 07.9 R G45
2015-11-10 05:10:14 C 00 47 04.65 -26 11 58.2 R G45
2015-11-10 05:17:22 C 00 47 04.53 -26 11 47.2 R G45
2015-11-10 05:24:38 C 00 47 04.43 -26 11 37.4 R G45
2015-12-02 06:24:41 C 00 48 47.280 -14 44 00.35 L F51
2015-12-02 06:40:30 C 00 48 47.533 -14 43 42.34 L F51
2015-12-02 06:56:20 C 00 48 47.787 -14 43 24.15 L F51
2015-12-02 07:12:12 C 00 48 48.043 -14 43 05.79 L F51
2015-12-03 06:27:54 C 00 49 13.960 -14 16 28.79 L F51
2015-12-03 06:44:12 C 00 49 14.235 -14 16 10.01 L F51
2015-12-03 07:00:27 C 00 49 14.512 -14 15 51.73 L F51
2015-12-03 07:16:40 C 00 49 14.794 -14 15 33.19 L F51
2016-01-03 00:14:21 C 01 12 42.95 -02 22 53.0 u H21
2016-01-03 00:26:03 C 01 12 43.45 -02 22 42.6 u H21
2016-01-03 00:34:49 C 01 12 43.80 -02 22 35.2 u H21
2016-01-03 05:18:29 C 01 12 55.650 -02 18 41.24 L F51
2016-01-03 05:33:31 C 01 12 56.266 -02 18 28.81 L F51
2016-01-03 05:48:30 C 01 12 56.852 -02 18 16.52 L F51
2016-01-03 06:03:30 C 01 12 57.470 -02 18 03.96 L F51
2022-02-03 14:02:42 C 14 57 17.613 +08 25 26.90 U F52
2022-02-03 14:19:19 C 14 57 18.599 +08 25 25.58 U F52
2022-02-03 14:35:55 C 14 57 19.570 +08 25 24.55 U F52
2022-02-08 14:21:26 C 15 04 23.123 +08 16 57.43 U F52
2022-02-08 14:39:01 C 15 04 24.125 +08 16 56.55 U F52
2022-02-08 14:56:42 C 15 04 25.122 +08 16 55.50 U F52
2022-02-08 15:14:41 C 15 04 26.133 +08 16 54.47 U F52
2022-03-02 10:46:51 C 15 32 19.87 +08 03 31.0 V G96
2022-03-02 10:54:13 C 15 32 20.14 +08 03 30.6 V G96
2022-03-02 11:01:37 C 15 32 20.45 +08 03 31.0 V G96
2022-03-02 11:08:59 C 15 32 20.84 +08 03 31.1 V G96
2022-03-10 14:07:42 C 15 40 59.770 +08 05 25.81 U F52
2022-03-10 14:24:19 C 15 41 00.428 +08 05 25.98 U F52
2022-03-10 14:41:01 C 15 41 01.074 +08 05 26.19 U F52
2022-03-10 14:57:42 C 15 41 01.724 +08 05 26.48 U F52
2022-03-24 13:28:52 C 15 52 37.911 +08 07 17.79 U F52
2022-03-24 13:44:44 C 15 52 38.287 +08 07 17.41 U F52
2022-03-24 14:00:33 C 15 52 38.693 +08 07 17.45 U F52
2022-04-01 01:07:29 C 15 56 39.64 +08 01 25.7 X C95