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
2008-12-01 01:07:24 C 23 26 09.26 -12 09 41.3 o 809
2008-12-01 01:18:28 C 23 26 10.15 -12 09 31.8 o 809
2008-12-01 01:27:53 C 23 26 10.88 -12 09 24.2 o 809
2008-12-01 01:37:26 C 23 26 11.61 -12 09 16.6 o 809
2008-12-01 01:46:52 C 23 26 12.39 -12 09 08.4 o 809
2008-12-01 01:56:24 C 23 26 13.12 -12 08 59.9 o 809
2011-03-11 08:52:18 C 12 51 57.34 +09 01 18.1 r 703
2011-03-11 09:04:18 C 12 51 56.95 +09 01 22.7 r 703
2011-03-11 09:16:18 C 12 51 56.52 +09 01 27.3 r 703
2011-03-11 09:28:22 C 12 51 56.12 +09 01 32.9 r 703
2011-03-24 06:36:32 C 12 38 20.50 +11 03 16.8 r 703
2011-03-24 06:46:03 C 12 38 19.96 +11 03 21.9 r 703
2011-03-24 06:55:35 C 12 38 19.57 +11 03 25.4 r 703
2011-03-25 23:46:02 C 12 36 10.15 +11 19 02.6 c A24
2011-03-25 23:58:13 C 12 36 09.46 +11 19 06.7 c A24
2011-03-26 00:06:32 C 12 36 09.07 +11 19 10.1 c A24
2011-03-26 00:48:31 C 12 36 06.68 +11 19 25.8 c A24
2011-03-31 07:02:47 C 12 29 05.466 +12 05 26.33 L F51
2011-03-31 07:04:14 C 12 29 05.01 +12 05 25.7 19.0 c 704
2011-03-31 07:18:22 C 12 29 04.544 +12 05 31.86 L F51
2011-03-31 07:21:38 C 12 29 03.85 +12 05 31.4 19.6 c 704
2011-03-31 07:35:55 C 12 29 03.509 +12 05 38.00 L F51
2011-03-31 07:39:04 C 12 29 02.84 +12 05 38.0 19.3 c 704
2011-03-31 08:14:09 C 12 29 00.84 +12 05 49.2 19.4 c 704
2011-04-01 23:19:51 C 12 26 45.29 +12 19 00.3 18.7 c A77
2011-04-01 23:21:36 C 12 26 45.01 +12 19 00.8 c A24
2011-04-01 23:32:28 C 12 26 44.40 +12 19 04.4 c A24
2011-04-01 23:39:53 C 12 26 43.99 +12 19 06.7 c A24
2011-04-01 23:49:03 C 12 26 43.47 +12 19 10.2 19.0 c A77
2011-04-01 23:59:13 C 12 26 42.84 +12 19 13.2 c A24
2011-04-02 00:06:38 C 12 26 42.41 +12 19 15.6 c A24
2011-04-02 00:17:30 C 12 26 41.75 +12 19 19.3 c A24
2011-04-02 00:18:16 C 12 26 41.70 +12 19 20.2 18.9 c A77
2011-04-05 05:55:25 C 12 22 08.32 +12 43 42.3 19.3 c 704
2011-04-05 06:14:03 C 12 22 07.46 +12 43 48.3 19.6 c 704
2011-04-05 06:32:55 C 12 22 06.30 +12 43 52.5 19.3 c 704
2011-04-05 06:51:51 C 12 22 05.07 +12 43 57.7 19.6 c 704
2011-04-06 00:08:51 C 12 21 03.67 +12 48 59.1 c A24
2011-04-06 00:10:54 C 12 21 03.46 +12 48 59.0 c A24
2011-04-09 22:59:38 C 12 15 28.38 +13 13 53.9 c A24
2011-04-09 23:12:50 C 12 15 27.58 +13 13 57.0 c A24
2011-04-09 23:21:48 C 12 15 27.03 +13 13 59.1 c A24
2011-04-09 23:45:00 C 12 15 25.65 +13 14 04.9 c A24
2011-04-09 23:53:58 C 12 15 25.13 +13 14 07.2 c A24
2011-04-10 00:07:11 C 12 15 24.36 +13 14 10.7 c A24
2011-04-10 23:02:02 C 12 14 04.12 +13 19 26.7 c A24
2011-04-10 23:15:57 C 12 14 03.30 +13 19 29.6 c A24
2011-04-10 23:25:25 C 12 14 02.75 +13 19 31.7 c A24
2011-04-10 23:49:51 C 12 14 01.31 +13 19 37.1 c A24
2011-04-10 23:59:19 C 12 14 00.73 +13 19 39.6 c A24