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
1999-05-09 20:10:11 C 14 48 55.14 -01 41 58.6 d 046
1999-05-09 20:11:44 C 14 48 54.55 -01 41 58.3 d 046
1999-05-09 20:13:38 C 14 48 53.82 -01 41 58.2 d 046
1999-05-09 21:52:58 C 14 48 15.88 -01 41 31.0 z 108
1999-05-09 22:12:48 C 14 48 08.19 -01 41 29.5 z 108
1999-05-10 00:34:56 C 14 47 12.48 -01 40 54.3 c 118
1999-05-10 00:40:11 C 14 47 10.46 -01 40 52.9 c 118
1999-05-10 00:45:50 C 14 47 08.19 -01 40 51.3 c 118
1999-05-11 12:24:29 C 14 32 16.53 -01 31 37.2 360
1999-05-11 12:27:59 C 14 32 14.90 -01 31 36.1 360
1999-05-11 12:31:00 C 14 32 13.51 -01 31 35.6 360
1999-05-12 05:27:54 C 14 24 10.30 -01 27 00.0 17.8 a 704
1999-05-12 05:46:33 C 14 24 00.80 -01 26 54.6 18.0 a 704
1999-05-12 06:05:14 C 14 23 51.30 -01 26 49.7 18.3 a 704
1999-05-12 06:23:56 C 14 23 41.75 -01 26 43.8 18.3 a 704
1999-05-12 06:42:40 C 14 23 32.29 -01 26 39.1 18.2 a 704
1999-05-12 15:04:00 C 14 19 17.44 -01 24 16.9 360
1999-05-12 15:09:44 C 14 19 14.39 -01 24 15.6 360
1999-05-12 15:12:15 C 14 19 13.08 -01 24 14.3 360
1999-05-13 05:18:31 C 14 11 40.38 -01 20 08.8 17.4 a 704
1999-05-13 05:40:16 C 14 11 27.98 -01 20 03.4 19.3 a 704
1999-05-13 06:02:04 C 14 11 15.56 -01 19 55.0 a 704
1999-05-13 06:23:49 C 14 11 03.20 -01 19 48.3 18.1 a 704
1999-05-13 06:32:51 C 14 10 56.60 -01 19 40.7 c 758
1999-05-13 06:37:05 C 14 10 54.18 -01 19 39.2 c 758
1999-05-13 06:42:23 C 14 10 51.21 -01 19 37.2 c 758
1999-05-13 06:45:37 C 14 10 50.74 -01 19 42.0 18.2 a 704
1999-05-13 07:09:13 C 14 10 37.23 -01 19 35.4 17.8 a 704
1999-05-13 07:30:50 C 14 10 24.76 -01 19 28.8 18.2 a 704
1999-05-13 07:52:21 C 14 10 12.45 -01 19 22.4 18.4 a 704
1999-05-13 08:14:09 C 14 09 59.92 -01 19 15.6 18.4 a 704
1999-05-13 08:35:39 C 14 09 47.60 -01 19 09.4 18.2 a 704
1999-05-13 08:57:14 C 14 09 35.19 -01 19 02.6 17.4 a 704
1999-05-13 09:19:03 C 14 09 22.66 -01 18 56.7 18.0 a 704
1999-05-13 09:40:47 C 14 09 10.12 -01 18 48.8 17.7 a 704
1999-05-13 10:02:29 C 14 08 57.76 -01 18 42.3 18.0 a 704
1999-05-13 20:09:56 C 14 03 07.66 -01 15 46.6 d 046
1999-05-13 20:11:00 C 14 03 07.01 -01 15 44.6 d 046
1999-05-13 20:12:46 C 14 03 06.05 -01 15 44.7 d 046
1999-05-13 20:13:33 C 14 03 05.57 -01 15 44.1 d 046
1999-05-14 03:59:00 C 13 58 19.31 -01 12 12.7 z 860
1999-05-14 04:08:42 C 13 58 13.33 -01 12 11.1 z 860
1999-05-14 04:11:47 C 13 58 11.48 -01 12 09.1 z 860
1999-05-17 04:29:25 c 13 05 02.16 -00 47 01.1 d 703
1999-05-17 04:48:18 c 13 04 45.65 -00 46 53.4 d 703
1999-05-17 05:07:17 c 13 04 28.97 -00 46 45.9 d 703
1999-05-17 05:27:16 c 13 04 11.48 -00 46 38.0 d 703
1999-05-18 03:31:55 C 12 44 23.88 -00 37 24.9 18.0 a 704
1999-05-18 03:52:01 C 12 44 04.83 -00 37 15.7 a 704
1999-05-18 04:12:02 C 12 43 45.75 -00 37 07.4 18.4 a 704