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
1980-09-30 11:50:12 22 44 07.48 -31 51 25.2 c 260
1980-09-30 12:55:12 22 44 10.15 -31 50 04.6 c 260
1980-10-10 09:48:07 22 55 12.60 -27 03 59.9 c 260
1980-10-10 10:55:06 22 55 15.53 -27 02 45.9 c 260
1999-11-30 07:57:10 C 03 49 05.38 +17 42 54.3 b 691
1999-11-30 08:28:08 C 03 49 03.60 +17 42 53.3 b 691
1999-11-30 08:59:28 C 03 49 01.81 +17 42 52.0 b 691
1999-12-02 07:03:38 C 03 46 30.27 +17 41 26.3 b 691
1999-12-02 07:09:16 C 03 46 29.95 +17 41 26.0 b 691
1999-12-02 07:15:07 C 03 46 29.56 +17 41 26.4 b 691
1999-12-03 06:35:25 C 03 45 14.74 +17 40 45.7 b 691
1999-12-03 06:41:13 C 03 45 14.45 +17 40 44.9 b 691
1999-12-03 06:46:50 C 03 45 14.12 +17 40 44.8 b 691
1999-12-03 08:26:48 C 03 45 08.63 +17 40 39.7 z 711
1999-12-03 08:45:50 C 03 45 07.80 +17 40 43.5 z 711
1999-12-03 09:04:32 C 03 45 06.53 +17 40 39.4 z 711
1999-12-04 07:20:59 C 03 43 56.68 +17 40 04.2 b 691
1999-12-04 07:33:37 C 03 43 56.05 +17 40 04.5 b 691
1999-12-04 07:46:26 C 03 43 55.32 +17 40 03.5 b 691
1999-12-05 07:07:36 C 03 42 43.20 +17 39 26.9 b 691
1999-12-05 07:13:19 C 03 42 42.89 +17 39 26.1 b 691
1999-12-05 07:18:59 C 03 42 42.61 +17 39 26.2 b 691
1999-12-13 06:20:02 C 03 33 53.51 +17 36 10.9 b 691
1999-12-13 06:58:34 C 03 33 51.87 +17 36 11.2 b 691
1999-12-13 07:43:50 C 03 33 49.96 +17 36 10.6 b 691
2002-11-07 06:41:04 C 03 05 34.31 +10 32 15.4 19.6 c 704
2002-11-07 07:06:26 C 03 05 32.63 +10 32 11.9 19.4 c 704
2002-11-07 07:31:54 C 03 05 30.94 +10 32 11.5 19.8 c 704
2002-11-07 07:56:59 C 03 05 29.39 +10 32 10.7 19.9 c 704
2002-11-08 20:31:07 C 03 03 12.29 +10 30 34.0 c 587
2002-11-08 20:34:45 C 03 03 12.08 +10 30 35.1 c 587
2002-11-08 20:38:21 C 03 03 11.81 +10 30 34.5 c 587
2002-11-08 20:53:38 C 03 03 10.89 +10 30 33.2 d 557
2002-11-08 21:00:31 C 03 03 10.41 +10 30 32.8 d 557
2002-11-08 21:03:37 C 03 03 10.21 +10 30 33.2 d 557
2002-11-09 03:22:37 C 03 02 46.80 +10 30 20.7 d 734
2002-11-09 03:36:16 C 03 02 45.96 +10 30 19.2 d 734
2002-11-09 03:47:21 C 03 02 45.29 +10 30 18.0 d 734
2002-12-31 04:19:25 C 02 27 34.05 +12 12 00.6 c 696
2002-12-31 04:32:36 C 02 27 34.17 +12 12 03.0 c 696
2005-05-03 15:59:30 C 20 16 24.47 -18 50 47.1 c 474
2005-05-03 16:02:09 C 20 16 25.01 -18 50 47.0 c 474
2005-05-03 16:05:09 C 20 16 25.60 -18 50 46.8 c 474
2005-05-10 09:29:32 C 20 49 34.37 -18 32 49.5 c 699
2005-05-10 09:53:03 C 20 49 39.15 -18 32 47.2 c 699
2005-05-10 10:16:30 C 20 49 43.89 -18 32 42.5 c 699
2005-05-10 10:39:58 C 20 49 48.71 -18 32 39.5 c 699
2005-05-13 10:33:35 C 21 04 56.02 -18 19 32.2 r 703
2005-05-13 10:38:10 C 21 04 57.02 -18 19 32.5 r 703
2005-05-13 10:42:46 C 21 04 57.95 -18 19 31.4 r 703