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
2022-05-02 18:12:07 C 15 46 18.82 +03 32 54.0 V D29
2022-05-02 18:32:29 C 15 46 17.66 +03 32 36.2 V D29
2022-05-04 06:09:15 C 15 44 20.011 +03 00 30.20 V W68
2022-05-04 06:14:31 C 15 44 19.728 +03 00 25.24 V W68
2022-05-04 06:23:37 C 15 44 19.092 +03 00 16.42 V W68
2022-05-04 06:27:32 C 15 44 18.898 +03 00 13.00 V W68
2022-05-04 06:34:57 C 15 44 18.425 +03 00 05.94 V W68
2022-05-04 06:40:10 C 15 44 18.142 +03 00 00.83 V W68
2022-05-04 06:44:07 C 15 44 17.839 +02 59 56.94 V W68
2022-05-04 06:55:25 C 15 44 17.189 +02 59 46.32 V W68
2022-05-04 16:29:09 C 15 43 44.417 +02 50 31.74 V P07
2022-05-04 17:55:06 C 15 43 38.933 +02 49 07.93 V P07
2022-05-04 19:16:26 C 15 43 33.778 +02 47 48.41 V P07
2022-05-04 20:46:12 C 15 43 28.102 +02 46 19.81 V P07
2022-05-05 09:02:57 C 15 42 44.492 +02 33 48.60 V 703
2022-05-05 09:10:35 C 15 42 44.042 +02 33 40.25 V 703
2022-05-05 09:18:13 C 15 42 43.528 +02 33 32.29 V 703
2022-05-05 09:25:50 C 15 42 43.042 +02 33 24.80 V 703
2022-05-06 16:07:01 C 15 40 47.78 +02 01 10.1 V D29
2022-05-06 16:27:23 C 15 40 46.36 +02 00 48.0 V D29
2022-05-06 16:47:45 C 15 40 44.94 +02 00 25.8 V D29
2022-05-08 00:15:10 C 15 38 38.323 +01 24 49.54 V K74
2022-05-08 00:21:36 C 15 38 37.870 +01 24 41.80 V K74
2022-05-08 00:27:16 C 15 38 37.452 +01 24 35.17 V K74
2022-05-08 06:37:03 C 15 38 12.360 +01 17 22.88 U I41
2022-05-08 07:30:54 C 15 38 08.350 +01 16 19.09 U I41
2022-05-08 08:03:58 C 15 38 05.870 +01 15 39.82 U I41
2022-05-08 09:01:04 C 15 38 01.579 +01 14 31.70 U I41
2022-05-08 09:33:02 C 15 37 59.189 +01 13 53.51 U I41
2022-05-09 07:20:51 C 15 36 25.830 +00 47 13.31 V 703
2022-05-09 07:28:33 C 15 36 25.236 +00 47 04.34 V 703
2022-05-09 07:43:56 C 15 36 23.990 +00 46 44.08 V 703
2022-05-12 21:11:31 C 15 29 39.42 -01 10 48.8 V G02
2022-05-12 21:19:06 C 15 29 38.76 -01 11 00.2 V G02
2022-05-12 21:26:11 C 15 29 38.13 -01 11 11.0 V G02
2022-05-17 05:38:30 C 15 20 04.59 -04 04 07.4 V U52
2022-05-17 05:41:23 C 15 20 04.34 -04 04 12.7 V U52
2022-05-17 05:44:17 C 15 20 04.05 -04 04 17.5 V U52
2022-05-18 22:20:22 C 15 15 56.09 -05 21 03.5 V G02
2022-05-18 22:38:28 C 15 15 54.12 -05 21 39.0 V G02
2022-05-18 22:56:04 C 15 15 52.20 -05 22 13.4 V G02
2022-05-18 23:54:21 C 15 15 45.97 -05 24 05.9 V L63
2022-05-19 00:05:42 C 15 15 44.73 -05 24 28.0 V L63
2022-05-19 00:16:29 C 15 15 43.57 -05 24 49.1 V L63
2022-05-19 21:25:33 C 15 13 29.99 -06 07 02.4 V M26
2022-05-19 21:29:58 C 15 13 29.51 -06 07 11.9 V M26
2022-05-19 21:34:03 C 15 13 29.04 -06 07 20.0 V M26
2022-05-20 08:38:59 C 15 12 16.222 -06 29 57.91 V 703
2022-05-20 08:46:34 C 15 12 15.390 -06 30 13.25 V 703
2022-05-20 08:54:09 C 15 12 14.519 -06 30 29.23 V 703