1998 LE

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6979775802 ± 3.79e-08
Semi-major axis (a)1.5127466514 AU ± 2.04e-09
Inclination (i)9.14545064° ± 1.24e-05
Long. of Asc. Node (Ω)237.46748583° ± 3.11e-05
Arg. of Perihelion (ω)132.99883363° ± 3.56e-05
Mean Anomaly (M)242.98753843° ± 1.05e-05
Mean Motion (n)0.5297402544°/day ± 1.07e-09
Perihelion dist (q)0.45688340 AU ± 5.73e-08
Aphelion dist (Q)2.56860990 AU ± 5.74e-08
Orbital Period1.86058408 yr ± 3.77e-09
Physical Parameters
H (abs. magnitude)20.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.369″
Uncertainty0
Orbit TypeApollo
MOID0.062975 AU
Observations Used135
Oppositions12
Arc Total1998-2024
First Observation Used1998-06-04
Last Observation Used2024-06-08
Observations (138)
Date Type RA Dec Mag Band Observatory
1998-06-04 07:55:15 C 18 10 45.46 +06 35 12.3 17.4 a 704
1998-06-04 08:13:55 C 18 10 46.35 +06 38 38.5 a 704
1998-06-04 08:33:01 C 18 10 47.04 +06 42 09.9 17.7 a 704
1998-06-04 08:52:03 C 18 10 47.73 +06 45 40.7 17.4 a 704
1998-06-04 09:10:41 C 18 10 48.43 +06 49 07.9 a 704
1998-06-04 23:53:55 C 18 11 48.33 +09 43 30.9 046
1998-06-04 23:54:37 C 18 11 48.38 +09 43 40.4 046
1998-06-04 23:55:26 C 18 11 48.43 +09 43 50.3 046
1998-06-04 23:56:12 C 18 11 48.43 +09 44 00.4 046
1998-06-04 23:56:56 C 18 11 48.50 +09 44 09.6 046
1998-06-05 21:24:46 C 18 13 32.61 +14 43 06.9 z 596
1998-06-05 21:28:47 C 18 13 32.97 +14 44 10.2 z 596
1998-06-05 22:45:39 C 18 13 37.82 +15 03 46.3 557
1998-06-05 22:47:39 C 18 13 37.97 +15 04 17.2 557
1998-06-05 23:42:25 C 18 13 41.86 +15 18 32.1 046
1998-06-05 23:43:10 C 18 13 41.92 +15 18 44.0 046
1998-06-05 23:43:54 C 18 13 41.98 +15 18 55.0 046
1998-06-05 23:44:34 C 18 13 42.02 +15 19 06.1 046
1998-06-05 23:45:18 C 18 13 42.07 +15 19 17.6 046
1998-06-05 23:51:54 C 18 13 42.51 +15 21 00.5 046
1998-06-05 23:52:39 C 18 13 42.58 +15 21 12.8 046
1998-06-05 23:56:13 C 18 13 42.79 +15 22 06.8 557
1998-06-06 00:02:12 C 18 13 43.21 +15 23 40.5 557
1998-06-06 00:02:52 C 18 13 43.26 +15 23 51.1 557
1998-06-06 00:03:32 C 18 13 43.31 +15 24 01.5 557
1998-06-06 05:22:55 C 18 14 16.74 +16 49 44.8 b 709
1998-06-06 05:26:45 C 18 14 17.05 +16 50 48.2 b 709
1998-06-06 05:28:14 C 18 14 17.16 +16 51 12.8 b 709
1998-06-06 05:30:54 C 18 14 17.36 +16 51 56.7 b 709
1998-06-06 07:24:11 C 18 14 26.72 +17 22 54.3 658
1998-06-06 07:25:21 C 18 14 26.83 +17 23 13.6 658
1998-06-06 07:27:01 C 18 14 26.96 +17 23 41.2 658
1998-06-06 07:41:59 C 18 14 28.27 +17 28 16.7 z 670
1998-06-06 07:52:59 C 18 14 29.14 +17 31 22.3 z 670
1998-06-06 08:09:29 C 18 14 30.30 +17 36 00.5 z 670
1998-06-06 08:31:30 C 18 14 31.92 +17 42 11.6 z 670
1998-06-06 08:33:00 C 18 14 31.98 +17 42 36.5 z 670
1998-06-06 14:18:16 C 18 15 09.20 +19 24 10.2 426
1998-06-06 14:20:50 C 18 15 09.35 +19 24 54.7 426
1998-06-06 14:23:58 C 18 15 09.67 +19 25 50.9 426
1998-06-06 14:27:05 C 18 15 09.91 +19 26 46.4 426
1998-06-06 14:34:35 C 18 15 10.52 +19 29 01.4 426
1998-06-06 14:38:56 C 18 15 10.89 +19 30 18.6 426
1998-06-06 22:34:26 C 18 16 03.63 +21 54 25.2 046
1998-06-06 22:35:15 C 18 16 03.70 +21 54 41.0 046
1998-06-06 22:35:55 C 18 16 03.78 +21 54 53.8 046
1998-06-06 22:36:35 C 18 16 03.87 +21 55 06.1 046
1998-06-06 22:43:03 C 18 16 04.43 +21 57 08.5 557
1998-06-06 22:44:52 C 18 16 04.58 +21 57 43.4 557
1998-06-06 22:49:15 C 18 16 05.02 +21 59 06.8 557