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
2011-04-11 00:13:14 C 12 13 59.94 +13 19 42.6 c A24
2011-04-21 21:02:17 C 11 59 49.99 +13 56 22.4 c A24
2011-04-21 21:15:44 C 11 59 49.34 +13 56 23.5 c A24
2011-04-30 04:53:44 C 11 51 10.62 +13 53 45.8 19.6 c 704
2011-04-30 05:09:16 C 11 51 10.05 +13 53 45.1 19.8 c 704
2011-04-30 05:39:28 C 11 51 08.88 +13 53 42.8 19.6 c 704
2011-04-30 07:25:40 C 11 51 04.57 +13 53 34.2 r 703
2011-04-30 07:38:47 C 11 51 04.21 +13 53 33.2 r 703
2011-04-30 07:51:17 C 11 51 03.63 +13 53 31.2 r 703
2011-04-30 08:03:52 C 11 51 03.20 +13 53 28.3 r 703
2011-06-19 06:40:38 C 12 00 27.280 +05 45 22.33 L F51
2011-06-19 06:48:14 C 12 00 27.635 +05 45 17.31 L F51
2011-06-19 06:55:48 C 12 00 27.995 +05 45 12.28 L F51
2011-06-19 07:03:22 C 12 00 28.339 +05 45 07.11 L F51
2014-02-26 08:53:18 C 11 43 43.36 +15 37 53.3 q G96
2014-02-26 09:00:40 C 11 43 43.00 +15 37 56.0 q G96
2014-02-26 09:07:57 C 11 43 42.69 +15 37 58.8 q G96
2014-02-26 09:15:14 C 11 43 42.38 +15 38 01.8 q G96
2014-03-11 06:28:06 C 11 28 32.95 +17 38 12.8 q G96
2014-03-11 06:36:15 C 11 28 32.50 +17 38 16.0 q G96
2014-03-11 06:44:24 C 11 28 32.04 +17 38 18.9 q G96
2014-03-11 06:52:33 C 11 28 31.59 +17 38 21.8 q G96
2014-04-04 06:18:32 C 10 58 10.08 +20 02 21.4 q 703
2014-04-04 06:25:45 C 10 58 09.76 +20 02 20.9 q 703
2014-04-04 06:32:56 C 10 58 09.35 +20 02 22.3 q 703
2014-04-04 06:40:07 C 10 58 09.00 +20 02 22.1 q 703
2014-05-23 06:30:34 C 10 46 38.680 +16 48 25.81 L F51
2014-05-23 07:07:37 C 10 46 39.590 +16 48 11.72 L F51
2014-05-23 07:26:08 C 10 46 40.047 +16 48 04.45 L F51
2014-06-21 06:28:24 C 11 15 56.281 +11 21 36.97 L F51
2014-06-21 06:35:02 C 11 15 56.623 +11 21 33.23 L F51
2014-06-21 06:48:18 C 11 15 57.372 +11 21 25.87 L F51
2017-02-24 06:27:44 C 10 47 38.03 +20 43 51.5 q G96
2017-02-24 06:33:53 C 10 47 37.72 +20 43 53.2 q G96
2017-02-24 06:43:44 C 10 47 37.12 +20 43 57.2 q G96
2017-02-24 06:50:00 C 10 47 36.86 +20 43 59.8 q G96
2017-02-24 12:18:49 C 10 47 19.916 +20 45 55.64 L F51
2017-02-24 12:37:42 C 10 47 18.937 +20 46 02.16 L F51
2017-02-24 12:56:45 C 10 47 17.937 +20 46 08.80 L F51
2017-02-24 13:15:52 C 10 47 16.933 +20 46 15.41 L F51
2017-03-05 05:28:52 C 10 36 23.32 +21 53 35.8 V G45
2017-03-05 07:22:24 C 10 36 17.14 +21 54 09.6 V G45
2017-03-05 08:43:05 C 10 36 12.74 +21 54 31.4 V G45
2017-03-05 09:49:13 C 10 36 09.21 +21 54 52.0 V G45
2020-01-23 14:11:13 C 10 32 20.995 +20 14 58.22 U F51
2020-01-23 14:29:21 C 10 32 20.436 +20 15 03.72 U F51
2020-01-23 14:47:38 C 10 32 19.857 +20 15 09.42 U F51
2020-01-23 15:05:49 C 10 32 19.300 +20 15 15.13 U F51
2020-01-24 08:27:01 C 10 31 47.72 +20 20 47.3 V G96
2020-01-24 08:34:26 C 10 31 47.50 +20 20 49.6 V G96