508774 (1999 JE1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7016722354 ± 1.23e-07
Semi-major axis (a)1.3232092836 AU ± 5.85e-09
Inclination (i)20.91118210° ± 2.18e-05
Long. of Asc. Node (Ω)53.05170489° ± 8.06e-06
Arg. of Perihelion (ω)302.74228630° ± 1.64e-05
Mean Anomaly (M)113.11862208° ± 3.49e-05
Mean Motion (n)0.6475442739°/day ± 4.30e-09
Perihelion dist (q)0.39475007 AU ± 1.63e-07
Aphelion dist (Q)2.25166850 AU ± 1.63e-07
Orbital Period1.52209868 yr ± 1.01e-08
Physical Parameters
H (abs. magnitude)20.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.572″
Uncertainty0
Orbit TypeApollo
MOID0.024272 AU
Observations Used159
Oppositions8
Arc Total1999-2021
First Observation Used1999-05-07
Last Observation Used2021-02-01
Observations (164)
Date Type RA Dec Mag Band Observatory
1999-05-18 04:32:02 C 12 43 26.62 -00 37 00.7 18.4 a 704
1999-05-18 04:52:11 C 12 43 07.36 -00 36 50.4 18.5 a 704
1999-05-19 19:45:00 C 12 04 26.81 -00 19 26.0 z 108
1999-05-19 19:50:25 C 12 04 20.76 -00 19 24.8 z 108
1999-05-19 21:46:35 C 12 02 17.35 -00 18 33.4 c 118
1999-05-19 21:49:31 C 12 02 14.26 -00 18 32.0 c 118
1999-05-19 21:52:55 C 12 02 10.59 -00 18 30.1 c 118
1999-05-20 11:58:30 C 11 47 12.42 -00 11 38.3 360
1999-05-20 12:01:29 C 11 47 09.14 -00 11 36.8 360
1999-05-20 12:04:00 C 11 47 06.40 -00 11 35.7 360
2002-05-05 07:18:40 C 13 53 00.64 +07 57 33.9 19.5 c 644
2002-05-05 07:49:13 C 13 52 54.07 +07 57 46.0 19.5 c 644
2002-05-05 08:19:02 C 13 52 47.58 +07 57 57.8 19.3 c 644
2002-05-06 06:36:25 C 13 48 02.71 +08 06 33.2 c 651
2002-05-06 06:38:49 C 13 48 02.24 +08 06 33.9 c 651
2002-05-06 06:40:51 C 13 48 01.73 +08 06 35.6 c 651
2002-05-06 06:42:11 C 13 48 01.53 +08 06 35.1 19.3 c 644
2002-05-06 06:57:14 C 13 47 58.23 +08 06 40.6 19.7 c 644
2002-05-06 07:14:10 C 13 47 54.50 +08 06 47.0 19.8 c 644
2002-05-12 04:32:55 C 13 15 23.88 +08 47 48.2 19.9 c 644
2002-05-12 05:02:42 C 13 15 16.53 +08 47 54.3 20.2 c 644
2002-05-12 05:32:41 C 13 15 09.05 +08 48 00.0 19.9 c 644
2002-05-13 05:26:45 C 13 09 18.88 +08 52 11.5 18.8 c 704
2002-05-13 06:12:54 C 13 09 07.29 +08 52 20.6 18.7 c 704
2002-05-13 06:34:18 C 13 09 01.96 +08 52 22.2 18.5 c 704
2002-05-13 06:55:43 C 13 08 56.55 +08 52 26.1 19.2 c 704
2005-04-06 08:47:48 C 14 41 58.52 +07 43 15.6 o 696
2005-04-06 09:14:40 C 14 41 56.27 +07 43 29.8 o 696
2005-05-03 05:46:38 C 13 22 47.09 +12 27 01.6 r 734
2005-05-03 06:22:38 C 13 22 41.47 +12 27 08.7 r 734
2005-05-11 21:40:43 C 12 50 57.12 +12 43 31.5 o 198
2005-05-11 21:49:39 C 12 50 55.76 +12 43 31.2 o 198
2005-05-11 21:52:10 C 12 50 55.37 +12 43 31.1 o 198
2005-05-11 21:59:42 C 12 50 54.23 +12 43 30.8 o 198
2005-05-11 22:03:31 C 12 50 53.64 +12 43 30.6 o 198
2005-05-16 03:57:31 C 12 35 54.17 +12 32 00.0 d 291
2005-05-16 04:06:13 C 12 35 52.83 +12 31 58.8 d 291
2005-05-16 04:14:35 C 12 35 51.57 +12 31 57.4 d 291
2014-12-19 14:48:08 C 12 55 21.376 +25 34 20.71 L F51
2014-12-19 15:05:46 C 12 55 21.847 +25 34 33.60 L F51
2014-12-19 15:23:23 C 12 55 22.319 +25 34 46.35 L F51
2014-12-20 12:28:55 C 12 55 58.61 +25 50 00.2 o 291
2014-12-20 12:43:29 C 12 55 58.88 +25 50 11.1 o 291
2017-11-22 12:43:46 C 13 04 40.51 +13 42 05.0 o 291
2017-11-22 12:48:15 C 13 04 40.52 +13 42 12.4 o 291
2017-11-22 12:52:44 C 13 04 40.52 +13 42 20.1 o 291
2017-11-23 12:25:22 C 13 04 46.97 +14 21 20.9 o 691
2017-11-23 12:35:39 C 13 04 46.99 +14 21 37.6 o 691
2017-11-23 12:45:58 C 13 04 47.02 +14 21 54.8 o 691
2017-12-29 10:55:41 C 13 14 38.90 +32 41 26.1 U G96