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
1999-05-07 07:17:42 c 15 08 47.03 -01 55 53.1 d 703
1999-05-07 07:31:09 c 15 08 43.08 -01 55 49.4 d 703
1999-05-07 07:44:34 c 15 08 39.16 -01 55 47.4 d 703
1999-05-07 07:58:15 c 15 08 35.18 -01 55 42.9 d 703
1999-05-07 10:05:24 c 15 07 57.75 -01 55 15.6 d 703
1999-05-07 10:08:17 c 15 07 56.91 -01 55 14.8 d 703
1999-05-07 10:10:35 c 15 07 56.25 -01 55 13.9 d 703
1999-05-07 20:26:43 C 15 04 58.10 -01 53 02.3 z 596
1999-05-07 20:41:33 C 15 04 53.40 -01 52 58.8 z 596
1999-05-07 20:56:23 C 15 04 49.10 -01 52 56.9 z 596
1999-05-07 21:07:55 C 15 04 45.21 -01 52 56.4 d 046
1999-05-07 21:10:54 C 15 04 44.26 -01 52 55.3 d 046
1999-05-07 21:12:00 C 15 04 43.94 -01 52 55.5 d 046
1999-05-07 21:13:09 C 15 04 43.61 -01 52 55.1 d 046
1999-05-07 21:14:38 C 15 04 43.18 -01 52 54.7 d 046
1999-05-07 21:15:51 C 15 04 42.83 -01 52 54.4 d 046
1999-05-08 01:37:33 C 15 03 21.15 -01 51 57.0 557
1999-05-08 01:42:06 C 15 03 19.67 -01 51 56.2 557
1999-05-08 01:43:38 C 15 03 19.20 -01 51 55.4 557
1999-05-08 01:46:41 C 15 03 18.20 -01 51 54.9 557
1999-05-08 04:43:07 C 15 02 25.74 -01 51 09.7 734
1999-05-08 04:50:27 C 15 02 23.29 -01 51 08.7 734
1999-05-08 04:57:23 C 15 02 21.13 -01 51 06.9 734
1999-05-08 05:55:04 C 15 02 02.87 -01 50 50.2 17.5 a 704
1999-05-08 06:09:12 C 15 01 58.32 -01 50 47.4 17.8 a 704
1999-05-08 06:21:16 c 15 01 54.57 -01 50 42.4 d 703
1999-05-08 06:24:18 C 15 01 53.43 -01 50 42.9 17.9 a 704
1999-05-08 06:39:37 C 15 01 48.48 -01 50 41.1 17.7 a 704
1999-05-08 06:40:56 c 15 01 48.15 -01 50 38.3 d 703
1999-05-08 06:54:47 C 15 01 43.49 -01 50 36.5 17.7 a 704
1999-05-08 07:00:09 c 15 01 41.87 -01 50 33.8 d 703
1999-05-08 07:19:24 c 15 01 35.63 -01 50 30.0 d 703
1999-05-08 11:29:04 C 15 00 17.40 -01 48 51.4 z 428
1999-05-08 11:34:14 C 15 00 15.65 -01 48 50.5 z 428
1999-05-08 14:24:32 C 14 59 19.34 -01 48 53.9 z 402
1999-05-08 14:29:11 C 14 59 17.94 -01 48 52.6 z 402
1999-05-08 22:55:30 C 14 56 29.25 -01 47 03.0 c 611
1999-05-08 23:11:30 C 14 56 23.56 -01 46 59.3 c 611
1999-05-09 04:25:37 C 14 54 36.93 -01 45 37.0 z 719
1999-05-09 04:28:05 C 14 54 36.07 -01 45 36.9 z 719
1999-05-09 04:52:52 C 14 54 27.25 -01 45 31.4 z 719
1999-05-09 05:04:55 C 14 54 22.90 -01 45 27.8 z 719
1999-05-09 05:29:34 C 14 54 13.58 -01 45 25.2 734
1999-05-09 05:36:34 C 14 54 11.01 -01 45 23.7 734
1999-05-09 05:42:27 C 14 54 08.91 -01 45 22.5 734
1999-05-09 19:36:52 C 14 49 08.14 -01 42 03.1 z 596
1999-05-09 19:46:47 C 14 49 04.24 -01 42 01.4 z 596
1999-05-09 19:56:40 C 14 49 00.45 -01 41 57.3 z 596
1999-05-09 20:06:25 C 14 48 56.81 -01 41 55.5 z 596
1999-05-09 20:08:26 C 14 48 55.78 -01 41 59.4 d 046