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
2024-12-04 06:26:23 C 04 26 54.582 +21 07 54.05 V G96
2024-12-04 06:33:47 C 04 26 54.146 +21 07 53.98 V G96
2024-12-07 06:06:54 C 04 22 51.568 +21 06 30.13 V G96
2024-12-07 06:15:11 C 04 22 51.150 +21 06 29.52 V G96
2024-12-07 06:31:47 C 04 22 50.135 +21 06 29.34 V G96
2024-12-07 07:47:47 C 04 22 46.098 +21 06 28.73 X F52
2024-12-07 08:03:30 C 04 22 45.202 +21 06 28.58 X F52
2024-12-07 08:19:16 C 04 22 44.303 +21 06 28.40 X F52
2024-12-07 08:35:03 C 04 22 43.403 +21 06 28.03 X F52
2024-12-25 10:03:22 C 04 02 32.094 +20 58 13.18 X F51
2024-12-25 10:20:36 C 04 02 31.438 +20 58 13.26 X F51
2024-12-25 10:37:33 C 04 02 30.805 +20 58 12.80 X F51
2024-12-25 10:54:30 C 04 02 30.180 +20 58 12.58 X F51