393359 (1998 ME3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4835648462 ± 2.36e-08
Semi-major axis (a)2.1792511070 AU ± 1.19e-08
Inclination (i)6.01342634° ± 4.19e-06
Long. of Asc. Node (Ω)129.36284925° ± 1.84e-05
Arg. of Perihelion (ω)165.64974938° ± 2.94e-05
Mean Anomaly (M)182.23640527° ± 3.23e-05
Mean Motion (n)0.3063736166°/day ± 2.52e-09
Perihelion dist (q)1.12544188 AU ± 5.17e-08
Aphelion dist (Q)3.23306033 AU ± 5.43e-08
Orbital Period3.21707298 yr ± 2.64e-08
Physical Parameters
H (abs. magnitude)19.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.562″
Uncertainty0
Orbit TypeAmor
MOID0.110444 AU
Observations Used245
Oppositions18
Arc Total1998-2024
First Observation Used1998-05-23
Last Observation Used2024-12-04
Observations (281)
Date Type RA Dec Mag Band Observatory
1998-07-03 21:56:56 C 16 54 26.98 +01 57 48.8 557
1998-07-03 21:59:17 C 16 54 27.21 +01 57 46.1 557
1998-07-03 22:07:38 C 16 54 28.12 +01 57 36.1 557
1998-07-08 12:25:52 C 17 08 48.15 -00 22 45.8 z 402
1998-07-08 12:27:23 C 17 08 48.33 -00 22 48.1 z 402
1998-07-08 12:28:53 C 17 08 48.54 -00 22 50.2 z 402
1998-07-08 12:30:23 C 17 08 48.72 -00 22 52.2 z 402
1998-07-10 14:44:45 C 17 16 24.69 -01 37 43.5 426
1998-07-10 14:51:45 C 17 16 25.69 -01 37 54.8 426
1998-07-10 15:00:14 C 17 16 26.93 -01 38 08.2 426
1998-07-10 15:07:58 C 17 16 28.07 -01 38 20.3 426
1998-07-11 13:49:37 C 17 20 09.83 -02 15 08.9 422
1998-07-11 13:50:43 C 17 20 09.97 -02 15 10.5 422
1998-07-11 13:51:48 C 17 20 10.15 -02 15 12.4 422
1998-07-11 23:13:42 C 17 21 44.29 -02 32 13.9 118
1998-07-11 23:17:51 C 17 21 44.95 -02 32 21.1 118
1998-07-13 05:30:06 C 17 27 00.72 -03 24 21.5 l 689
1998-07-14 20:52:35 C 17 34 14.86 -04 36 25.3 046
1998-07-14 20:53:38 C 17 34 15.02 -04 36 27.2 046
1998-07-14 20:55:07 C 17 34 15.28 -04 36 29.8 046
1998-07-14 20:56:00 C 17 34 15.47 -04 36 32.3 046
1998-07-14 22:12:06 C 17 34 28.91 -04 38 55.7 557
1998-07-14 22:24:04 C 17 34 31.03 -04 39 18.3 557
1998-07-14 23:04:58 C 17 34 38.34 -04 40 35.2 557
1998-07-14 23:20:23 C 17 34 41.08 -04 41 04.1 557
1998-07-15 21:19:14 C 17 38 57.85 -05 23 07.7 118
1998-07-15 21:23:19 C 17 38 58.61 -05 23 15.8 118
1998-07-17 21:04:00 C 17 48 43.87 -06 58 27.4 z 620
1998-07-17 21:16:50 C 17 48 46.32 -06 58 53.5 z 620
1998-07-17 21:37:09 C 17 48 50.33 -06 59 36.5 z 620
1998-07-18 21:52:24 C 17 54 02.15 -07 50 07.4 118
1998-07-18 22:01:43 C 17 54 04.04 -07 50 27.1 118
1998-07-19 20:11:11 C 17 59 00.41 -08 37 29.5 118
1998-07-19 20:26:19 C 17 59 03.63 -08 38 01.5 118
1998-07-21 20:38:23 C 18 10 13.52 -10 22 51.0 118
1998-07-21 20:40:22 C 18 10 14.04 -10 22 55.7 557
1998-07-21 20:41:42 C 18 10 14.36 -10 22 58.9 557
1998-07-21 20:43:03 C 18 10 14.66 -10 23 01.8 557
1998-07-21 20:44:25 C 18 10 14.96 -10 23 04.6 557
1998-07-21 20:47:25 C 18 10 15.56 -10 23 10.8 118
1998-07-21 20:48:39 C 18 10 16.20 -10 23 10.0 z 104
1998-07-21 20:50:34 C 18 10 16.51 -10 23 18.3 z 540
1998-07-21 20:51:19 C 18 10 16.80 -10 23 16.1 z 104
1998-07-21 20:57:46 C 18 10 18.00 -10 23 33.4 z 540
1998-07-21 20:59:26 C 18 10 18.28 -10 23 38.0 z 540
1998-07-22 13:16:25 C 18 14 12.90 -10 59 26.3 z 402
1998-07-22 13:17:55 C 18 14 13.24 -10 59 29.6 z 402
1998-07-22 13:19:24 C 18 14 13.58 -10 59 32.8 z 402
1998-07-26 06:06:59 C 18 36 40.99 -14 17 14.8 z 670
1998-07-26 06:35:00 C 18 36 47.85 -14 18 17.4 z 670