138859 (2000 WN63)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5314892165 ± 2.53e-08
Semi-major axis (a)1.5731873110 AU ± 2.19e-09
Inclination (i)13.15514140° ± 3.83e-06
Long. of Asc. Node (Ω)55.86017010° ± 1.45e-05
Arg. of Perihelion (ω)144.43452672° ± 1.51e-05
Mean Anomaly (M)145.21848952° ± 3.79e-06
Mean Motion (n)0.4995070520°/day ± 1.04e-09
Perihelion dist (q)0.73705522 AU ± 3.98e-08
Aphelion dist (Q)2.40931940 AU ± 3.99e-08
Orbital Period1.97319793 yr ± 4.12e-09
Physical Parameters
H (abs. magnitude)18.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.267″
Uncertainty0
Orbit TypeApollo
MOID0.141493 AU
Observations Used287
Oppositions12
Arc Total2000-2025
First Observation Used2000-11-27
Last Observation Used2025-09-29
Observations (324)
Date Type RA Dec Mag Band Observatory
2000-11-27 05:18:18 C 03 03 20.97 +17 35 37.4 b 691
2000-11-27 06:04:36 C 03 03 16.89 +17 35 35.2 b 691
2000-11-27 06:50:10 C 03 03 12.85 +17 35 33.2 b 691
2000-11-27 07:59:05 C 03 03 06.73 +17 35 29.3 b 691
2000-11-27 08:19:11 C 03 03 04.95 +17 35 28.9 b 691
2000-11-27 08:39:08 C 03 03 03.19 +17 35 27.3 b 691
2000-11-28 04:31:24 C 03 01 20.83 +17 34 33.0 b 691
2000-11-28 05:18:51 C 03 01 16.65 +17 34 30.7 b 691
2000-11-28 06:02:41 C 03 01 12.77 +17 34 28.7 b 691
2000-11-29 05:15:17 C 02 59 13.66 +17 33 23.4 b 691
2000-11-29 05:20:57 C 02 59 13.15 +17 33 22.9 b 691
2000-11-29 05:26:35 C 02 59 12.66 +17 33 22.8 b 691
2000-12-01 09:18:11 C 02 54 49.92 +17 30 57.9 b 691
2000-12-01 09:23:50 C 02 54 49.49 +17 30 57.0 b 691
2000-12-01 09:29:49 C 02 54 48.96 +17 30 57.0 b 691
2000-12-03 05:40:44 C 02 51 11.43 +17 28 58.3 b 691
2000-12-03 05:49:46 C 02 51 10.70 +17 28 57.8 b 691
2000-12-03 05:59:19 C 02 51 09.91 +17 28 57.9 b 691
2000-12-05 01:49:51 C 02 47 40.08 +17 27 05.9 b 691
2000-12-05 01:55:44 C 02 47 39.56 +17 27 05.4 b 691
2000-12-05 02:01:39 C 02 47 39.07 +17 27 04.3 b 691
2000-12-20 04:12:07 C 02 23 53.66 +17 21 59.1 696
2000-12-20 04:17:56 C 02 23 53.34 +17 21 59.4 696
2001-02-28 05:39:06 C 02 53 01.17 +24 38 05.7 568
2001-02-28 05:42:59 C 02 53 01.45 +24 38 07.4 568
2001-03-26 02:58:30 C 03 48 31.89 +29 17 10.8 d 691
2001-03-26 03:07:31 C 03 48 32.73 +29 17 13.5 d 691
2001-03-26 03:16:35 C 03 48 33.55 +29 17 18.4 d 691
2001-07-24 07:42:33 C 12 49 38.46 -34 18 06.4 474
2001-07-24 07:45:13 C 12 49 39.62 -34 18 18.7 474
2001-07-24 07:49:21 C 12 49 40.69 -34 18 27.2 474
2002-10-31 09:56:27 C 04 14 11.81 +19 35 39.2 c 696
2002-10-31 10:02:24 C 04 14 11.56 +19 35 39.9 c 696
2002-11-23 06:35:41 C 03 31 34.28 +20 05 44.5 o 644
2002-11-23 07:14:05 C 03 31 30.69 +20 05 43.0 o 644
2003-07-28 21:52:36 C 14 54 48.18 -60 29 06.2 m 859
2003-07-28 21:54:17 C 14 54 48.61 -60 29 05.9 m 859
2004-11-20 23:56:01 C 03 57 02.98 +22 33 33.4 r 941
2004-11-20 23:57:40 C 03 57 02.80 +22 33 33.7 r 941
2004-11-20 23:59:19 C 03 57 02.66 +22 33 34.1 r 941
2004-11-21 00:00:58 C 03 57 02.50 +22 33 34.3 r 941
2004-12-10 02:28:29 C 03 12 12.04 +22 55 36.3 r 715
2004-12-10 02:40:13 C 03 12 10.81 +22 55 35.9 r 715
2004-12-10 02:51:57 C 03 12 09.68 +22 55 36.4 r 715
2004-12-11 06:37:29 C 03 09 33.45 +22 55 36.8 d 291
2004-12-11 06:43:55 C 03 09 32.84 +22 55 36.8 d 291
2004-12-11 06:50:13 C 03 09 32.23 +22 55 36.6 d 291
2006-10-28 10:27:18 C 04 57 12.991 +22 48 38.81 n 645
2006-10-28 10:32:05 C 04 57 12.816 +22 48 39.67 n 645
2006-11-10 06:40:49 C 04 42 49.79 +24 02 29.5 c 691