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
1998-07-30 22:23:19 C 19 07 00.76 -18 17 11.6 z 620
1998-07-30 22:27:00 C 19 07 01.70 -18 17 19.1 z 620
1998-07-30 22:29:03 C 19 07 01.67 -18 17 22.6 z 108
1998-07-30 22:30:50 C 19 07 02.68 -18 17 26.9 z 620
1998-07-30 22:34:32 C 19 07 03.36 -18 17 35.8 z 108
1998-07-30 22:37:30 C 19 07 04.39 -18 17 40.5 z 620
1998-07-30 22:47:59 C 19 07 07.07 -18 18 02.0 z 620
1998-07-30 22:57:19 C 19 07 09.14 -18 18 23.8 z 108
1998-07-31 02:40:00 C 19 08 12.97 -18 25 38.9 z 758
1998-07-31 02:44:13 C 19 08 14.21 -18 25 49.4 z 758
1998-07-31 02:48:01 C 19 08 15.18 -18 25 57.2 z 758
1998-08-03 22:54:26 C 19 33 43.20 -21 18 48.9 16.3 954
1998-08-03 22:58:22 C 19 33 44.20 -21 18 55.8 16.2 954
1998-08-05 01:49:05 C 19 41 02.71 -22 03 54.1 954
1998-08-05 01:54:20 C 19 41 04.06 -22 04 02.4 954
1998-08-05 02:00:30 C 19 41 05.65 -22 04 12.2 954
1998-08-08 21:20:58 C 20 05 30.83 -24 17 05.1 046
1998-08-08 21:23:36 C 20 05 31.45 -24 17 08.3 046
1998-08-08 21:29:01 C 20 05 32.80 -24 17 15.0 046
1998-08-09 11:52:36 C 20 09 16.10 -24 34 03.5 422
1998-08-09 11:53:44 C 20 09 16.35 -24 34 04.7 422
1998-08-09 12:23:49 C 20 09 24.53 -24 34 40.5 426
1998-08-09 12:30:25 C 20 09 26.15 -24 34 48.6 426
1998-08-09 12:37:49 C 20 09 27.90 -24 34 58.2 426
1998-08-09 12:44:58 C 20 09 29.62 -24 35 07.0 426
1998-08-10 01:43:09 C 20 12 49.43 -24 51 27.5 z 758
1998-08-10 01:49:07 C 20 12 50.84 -24 51 34.5 z 758
1998-08-10 01:53:24 C 20 12 51.82 -24 51 38.5 z 758
1998-08-10 21:51:53 C 20 17 50.64 -25 14 24.9 046
1998-08-10 21:53:28 C 20 17 51.00 -25 14 26.9 046
1998-08-10 21:55:03 C 20 17 51.37 -25 14 28.3 046
1998-08-10 21:57:35 C 20 17 51.96 -25 14 31.2 046
1998-08-11 13:24:47 C 20 21 41.51 -25 30 47.8 z 402
1998-08-11 13:26:17 C 20 21 41.87 -25 30 49.4 z 402
1998-08-11 13:27:47 C 20 21 42.21 -25 30 50.8 z 402
1998-08-11 21:28:30 C 20 23 39.78 -25 39 04.6 z 540
1998-08-11 21:32:21 C 20 23 40.58 -25 39 08.4 z 540
1998-08-11 21:35:25 C 20 23 41.35 -25 39 13.5 z 540
1998-08-11 21:38:31 C 20 23 42.01 -25 39 14.6 z 540
1998-08-11 22:37:24 C 20 23 55.81 -25 40 14.3 z 108
1998-08-11 22:40:36 C 20 23 56.28 -25 40 16.2 z 108
1998-08-14 05:37:38 C 20 36 52.69 -26 28 25.4 z 844
1998-08-14 05:40:35 C 20 36 53.42 -26 28 27.4 z 844
1998-08-14 05:49:22 C 20 36 55.28 -26 28 34.7 z 844
1998-08-14 12:29:18 C 20 38 29.48 -26 33 58.9 422
1998-08-14 12:30:24 C 20 38 29.70 -26 33 59.7 422
1998-08-14 12:33:59 C 20 38 30.46 -26 34 02.6 422
1998-08-14 21:41:55 C 20 40 34.34 -26 41 59.6 z 587
1998-08-14 21:46:01 C 20 40 35.19 -26 42 03.1 z 587
1998-08-14 21:49:14 C 20 40 35.96 -26 42 05.7 z 587