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
2008-05-25 04:24:36 C 13 53 05.59 -02 53 27.3 r H51
2008-05-25 04:25:26 C 13 53 05.52 -02 53 27.9 r H51
2008-05-25 04:27:03 C 13 53 05.46 -02 53 28.5 r H51
2008-06-01 05:06:44 C 13 45 47.80 -04 28 13.4 17.6 c 704
2008-06-01 05:21:27 C 13 45 47.18 -04 28 23.0 17.7 c 704
2008-06-01 05:36:10 C 13 45 46.60 -04 28 32.5 17.8 c 704
2008-06-01 05:50:53 C 13 45 45.99 -04 28 41.4 17.7 c 704
2008-06-01 06:05:39 C 13 45 45.34 -04 28 51.3 17.8 c 704
2008-06-04 04:15:42 C 13 43 25.75 -05 16 56.9 r G96
2008-06-04 04:21:57 C 13 43 25.53 -05 17 00.8 r G96
2008-06-04 04:28:12 C 13 43 25.32 -05 17 05.3 r G96
2008-06-04 04:34:26 C 13 43 25.06 -05 17 09.8 r G96
2008-06-06 04:39:32 C 13 42 05.36 -05 52 59.8 r 703
2008-06-06 04:51:02 C 13 42 05.04 -05 53 08.7 r 703
2008-06-06 05:02:31 C 13 42 04.68 -05 53 18.0 r 703
2008-06-06 05:14:02 C 13 42 04.35 -05 53 27.2 r 703
2008-06-12 00:36:30 C 13 39 36.43 -07 49 53.0 r 808
2008-06-12 00:46:29 C 13 39 36.26 -07 50 02.3 r 808
2008-06-12 01:01:39 C 13 39 36.04 -07 50 15.9 r 808
2008-06-25 10:49:10 C 13 42 17.31 -13 28 01.4 r E12
2008-06-25 11:04:47 C 13 42 17.60 -13 28 20.3 r E12
2008-06-25 11:20:25 C 13 42 17.96 -13 28 38.1 r E12
2008-06-25 11:36:04 C 13 42 18.32 -13 28 56.6 r E12
2008-06-29 08:05:28 C 13 45 24.27 -15 22 07.6 r 432
2008-06-29 09:31:07 C 13 45 27.03 -15 23 55.8 r 432
2008-07-03 08:38:37 C 13 49 46.99 -17 27 14.9 r 432
2008-07-03 09:27:16 C 13 49 49.18 -17 28 19.6 r 432
2008-07-03 10:15:54 C 13 49 51.41 -17 29 23.8 r 432
2008-07-14 00:09:30 C 14 07 32.29 -23 28 30.5 r 808
2008-07-14 00:20:30 C 14 07 33.17 -23 28 45.0 r 808
2008-07-14 00:32:10 C 14 07 33.98 -23 29 03.5 r 808
2008-07-14 23:51:00 C 14 09 39.90 -24 03 48.9 r 808
2008-07-15 00:03:29 C 14 09 41.10 -24 04 08.4 r 808
2008-07-15 00:18:50 C 14 09 42.40 -24 04 31.3 r 808
2008-07-30 11:53:24 C 14 55 20.78 -33 34 14.2 r E12
2008-07-30 12:04:51 C 14 55 22.54 -33 34 31.5 r E12
2008-07-30 12:16:18 C 14 55 24.27 -33 34 48.4 r E12
2008-07-30 12:27:44 C 14 55 26.07 -33 35 05.2 r E12
2008-08-02 09:12:38 C 15 06 46.49 -35 18 20.2 r 432
2008-08-02 10:25:22 C 15 06 58.50 -35 20 06.3 r 432
2008-08-12 23:36:29 C 15 57 36.32 -41 01 48.8 r 808
2008-08-12 23:53:30 C 15 57 39.94 -41 02 08.2 r 808
2008-08-13 00:03:40 C 15 57 42.01 -41 02 19.7 r 808
2008-09-23 10:25:05 C 20 10 57.07 -40 33 33.4 r E12
2008-09-23 10:41:10 C 20 11 00.16 -40 33 16.7 r E12
2008-09-23 10:57:12 C 20 11 03.37 -40 33 00.3 r E12
2008-10-29 01:55:31 C 22 14 27.82 -24 35 38.3 19.8 c 704
2008-10-29 02:30:59 C 22 14 31.47 -24 35 00.5 20.0 c 704
2008-10-29 02:48:33 C 22 14 33.41 -24 34 42.1 20.0 c 704
2008-10-29 03:06:42 C 22 14 35.10 -24 34 23.3 19.8 c 704