102873 (1999 WK11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4676391670 ± 3.11e-08
Semi-major axis (a)2.1331643367 AU ± 1.17e-08
Inclination (i)7.44805306° ± 5.34e-06
Long. of Asc. Node (Ω)72.53121134° ± 3.29e-05
Arg. of Perihelion (ω)220.62846200° ± 3.49e-05
Mean Anomaly (M)199.85208755° ± 2.01e-05
Mean Motion (n)0.3163558026°/day ± 2.59e-09
Perihelion dist (q)1.13561314 AU ± 6.66e-08
Aphelion dist (Q)3.13071553 AU ± 6.84e-08
Orbital Period3.11556253 yr ± 2.55e-08
Physical Parameters
H (abs. magnitude)17.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.458″
Uncertainty0
Orbit TypeAmor
MOID0.142127 AU
Observations Used347
Oppositions30
Arc Total1980-2024
First Observation Used1980-09-30
Last Observation Used2024-12-25
Observations (363)
Date Type RA Dec Mag Band Observatory
2005-05-13 10:47:22 C 21 04 58.91 -18 19 30.8 r 703
2005-05-21 10:39:44 C 21 45 51.15 -17 29 14.9 r G96
2005-05-21 10:46:12 C 21 45 52.52 -17 29 12.8 r G96
2005-05-21 10:52:29 C 21 45 53.82 -17 29 10.8 r G96
2005-05-21 10:59:58 C 21 45 55.40 -17 29 08.5 r G96
2005-06-07 18:35:36 C 23 11 43.88 -14 35 24.7 r E12
2005-06-07 18:54:35 C 23 11 47.50 -14 35 15.6 r E12
2005-06-07 19:13:41 C 23 11 51.07 -14 35 06.2 r E12
2005-06-07 19:32:51 C 23 11 54.75 -14 34 57.3 r E12
2005-08-05 17:17:40 C 02 11 35.48 -05 50 13.9 r E12
2005-08-05 17:31:00 C 02 11 36.24 -05 50 13.0 r E12
2005-08-05 17:44:06 C 02 11 36.92 -05 50 11.3 r E12
2005-08-05 17:57:21 C 02 11 37.64 -05 50 09.4 r E12
2005-08-06 13:47:41 C 02 12 45.24 -05 48 00.7 c 568
2005-08-06 13:56:51 C 02 12 45.81 -05 47 59.8 c 568
2005-09-13 07:56:45 C 02 19 47.71 -06 06 24.0 r 703
2005-09-13 08:08:27 C 02 19 47.24 -06 06 25.0 r 703
2005-09-13 08:20:11 C 02 19 46.70 -06 06 26.2 r 703
2005-09-13 08:31:54 C 02 19 46.20 -06 06 27.3 r 703
2005-09-28 08:21:21 C 02 00 40.80 -06 28 37.6 o 644
2005-09-28 08:54:45 C 02 00 38.57 -06 28 38.0 o 644
2005-09-28 09:26:34 C 02 00 36.42 -06 28 38.7 o 644
2005-10-01 07:54:55 C 01 56 05.42 -06 28 56.7 o 699
2005-10-01 08:28:00 C 01 56 03.10 -06 28 55.9 o 699
2005-10-01 09:01:07 C 01 56 00.81 -06 28 56.1 o 699
2005-10-01 09:34:12 C 01 55 58.61 -06 28 55.4 o 699
2005-10-08 08:11:36 C 01 45 02.44 -06 21 42.3 r 703
2005-10-08 08:20:54 C 01 45 01.83 -06 21 41.7 r 703
2005-10-08 08:30:06 C 01 45 01.22 -06 21 40.3 r 703
2005-10-08 08:39:21 C 01 45 00.54 -06 21 39.8 r 703
2005-10-11 05:29:39 C 01 40 33.78 -06 15 00.7 17.9 r I10
2005-10-26 09:10:52 C 01 20 20.84 -05 07 53.6 o 644
2005-10-26 09:48:48 C 01 20 19.08 -05 07 43.6 o 644
2005-10-26 10:43:17 C 01 20 16.57 -05 07 29.3 o 644
2005-11-01 05:47:18 C 01 14 43.11 -04 28 58.1 r 703
2005-11-01 05:55:46 C 01 14 42.79 -04 28 56.2 r 703
2005-11-01 06:04:12 C 01 14 42.39 -04 28 53.7 r 703
2005-11-01 06:12:39 C 01 14 42.10 -04 28 51.2 r 703
2005-11-17 05:16:21 C 01 06 38.46 -02 17 20.5 o 644
2005-11-17 05:47:24 C 01 06 38.14 -02 17 08.4 o 644
2005-11-17 06:18:24 C 01 06 37.85 -02 16 57.1 o 644
2008-03-26 10:55:07 C 14 47 12.13 -02 47 28.6 o 691
2008-03-26 11:20:26 C 14 47 12.20 -02 47 25.1 o 691
2008-03-26 11:45:45 C 14 47 12.27 -02 47 21.7 o 691
2008-03-30 08:27:30 C 14 47 25.43 -02 34 00.9 o 691
2008-03-30 08:52:48 C 14 47 25.35 -02 33 57.0 o 691
2008-03-30 09:18:06 C 14 47 25.25 -02 33 53.1 o 691
2008-04-03 09:25:42 C 14 47 00.49 -02 18 52.5 r G96
2008-04-03 09:35:34 C 14 47 00.38 -02 18 50.9 r G96
2008-04-03 09:45:26 C 14 47 00.27 -02 18 49.4 r G96