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
2008-04-03 09:55:17 C 14 47 00.16 -02 18 47.8 r G96
2008-04-11 07:06:34 C 14 44 12.81 -01 47 43.3 18.3 c 704
2008-04-11 07:38:55 C 14 44 12.04 -01 47 38.6 18.3 c 704
2008-04-11 07:54:59 C 14 44 11.60 -01 47 35.5 18.7 c 704
2008-04-11 08:02:36 C 14 44 11.50 -01 47 34.4 r 703
2008-04-11 08:11:04 C 14 44 11.19 -01 47 33.6 18.6 c 704
2008-04-11 08:12:58 C 14 44 11.22 -01 47 31.8 r 703
2008-04-11 08:24:25 C 14 44 10.93 -01 47 30.0 r 703
2008-04-11 08:37:37 C 14 44 10.60 -01 47 28.5 r 703
2008-04-12 08:28:25 C 14 43 37.87 -01 43 36.2 18.4 c 704
2008-04-12 08:59:59 C 14 43 36.95 -01 43 31.9 18.3 c 704
2008-04-12 09:15:40 C 14 43 36.52 -01 43 28.6 17.9 c 704
2008-04-12 09:31:15 C 14 43 36.11 -01 43 26.7 18.5 c 704
2008-04-17 07:21:44 C 14 40 17.18 -01 25 14.5 r 703
2008-04-17 07:31:02 C 14 40 16.93 -01 25 13.3 r 703
2008-04-17 07:40:22 C 14 40 16.53 -01 25 12.6 r 703
2008-04-17 07:49:41 C 14 40 16.21 -01 25 10.9 r 703
2008-04-25 09:56:26 C 14 32 36.81 -01 01 53.4 r 703
2008-04-25 10:06:35 C 14 32 36.27 -01 01 51.9 r 703
2008-04-25 10:16:45 C 14 32 35.77 -01 01 51.0 r 703
2008-04-25 10:26:51 C 14 32 35.23 -01 01 50.5 r 703
2008-04-25 23:39:17 C 14 31 59.36 -01 00 44.9 r B19
2008-04-25 23:48:13 C 14 31 58.82 -01 00 43.2 r B19
2008-04-25 23:56:43 C 14 31 58.46 -01 00 44.5 r B19
2008-04-29 22:03:42 C 14 27 19.49 -00 55 01.1 r B19
2008-04-29 22:11:34 C 14 27 19.07 -00 55 00.3 r B19
2008-04-29 22:19:59 C 14 27 18.58 -00 55 00.1 r B19
2008-05-01 07:13:22 C 14 25 33.95 -00 54 02.9 17.6 c 704
2008-05-01 07:28:20 C 14 25 33.08 -00 54 02.3 17.8 c 704
2008-05-01 07:43:10 C 14 25 32.21 -00 54 02.3 17.7 c 704
2008-05-01 07:58:00 C 14 25 31.35 -00 54 01.8 17.6 c 704
2008-05-01 08:12:58 C 14 25 30.48 -00 54 02.2 17.6 c 704
2008-05-03 19:51:42 C 14 22 14.77 -00 54 05.0 r A78
2008-05-03 19:59:34 C 14 22 14.33 -00 54 05.5 r A78
2008-05-03 20:05:41 C 14 22 13.99 -00 54 05.6 r A78
2008-05-03 20:12:10 C 14 22 13.58 -00 54 05.6 r A78
2008-05-04 05:51:22 C 14 21 40.60 -00 54 16.0 r 703
2008-05-04 05:57:29 C 14 21 40.28 -00 54 16.2 r 703
2008-05-04 06:03:41 C 14 21 39.96 -00 54 15.8 r 703
2008-05-09 06:00:05 C 14 14 41.96 -01 02 35.7 17.8 c 704
2008-05-09 06:14:27 C 14 14 41.07 -01 02 39.0 17.9 c 704
2008-05-09 06:28:47 C 14 14 40.11 -01 02 39.3 17.9 c 704
2008-05-09 06:43:09 C 14 14 39.15 -01 02 41.6 18.0 c 704
2008-05-09 06:57:29 C 14 14 38.25 -01 02 42.9 17.9 c 704
2008-05-11 22:12:41 C 14 10 52.97 -01 11 50.9 c 611
2008-05-11 22:33:26 C 14 10 51.66 -01 11 54.4 c 611
2008-05-11 22:54:07 C 14 10 50.38 -01 11 59.1 c 611
2008-05-25 04:19:41 C 13 53 05.82 -02 53 25.0 r H51
2008-05-25 04:20:32 C 13 53 05.77 -02 53 25.6 r H51
2008-05-25 04:22:59 C 13 53 05.64 -02 53 26.6 r H51