2016 WW9

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6898978080 ± 4.57e-08
Semi-major axis (a)2.8344760308 AU ± 1.25e-07
Inclination (i)21.48665823° ± 1.56e-05
Long. of Asc. Node (Ω)295.13570866° ± 2.69e-05
Arg. of Perihelion (ω)218.54372199° ± 2.97e-05
Mean Anomaly (M)304.89759956° ± 4.36e-05
Mean Motion (n)0.2065394865°/day ± 1.37e-08
Perihelion dist (q)0.87897723 AU ± 1.35e-07
Aphelion dist (Q)4.78997483 AU ± 2.48e-07
Orbital Period4.77209613 yr ± 3.17e-07
Physical Parameters
H (abs. magnitude)18.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.341″
Uncertainty0
Orbit TypeApollo
MOID0.015154 AU
Observations Used105
Oppositions5
Arc Total2011-2017
First Observation Used2011-10-17
Last Observation Used2017-05-01
Observations (121)
Date Type RA Dec Mag Band Observatory
2016-12-24 03:49:28 S 12 28 04.927 +13 05 20.11 L C51
2016-12-24 05:23:54 S 12 28 31.334 +12 55 01.02 L C51
2016-12-24 06:58:09 S 12 28 57.672 +12 44 41.93 L C51
2016-12-24 06:58:20 S 12 28 57.713 +12 44 41.24 L C51
2016-12-24 08:32:35 S 12 29 24.014 +12 34 20.96 L C51
2016-12-24 11:41:16 S 12 30 16.692 +12 13 37.34 L C51
2016-12-24 14:49:58 S 12 31 09.358 +11 52 49.73 L C51
2016-12-27 13:36:28 C 12 50 47.51 +03 52 27.5 o 291
2016-12-27 13:37:18 C 12 50 47.72 +03 52 21.5 o 291
2016-12-27 13:38:09 C 12 50 47.96 +03 52 15.7 o 291
2017-02-28 15:27:00 C 18 24 21.43 -53 03 18.0 t 474
2017-02-28 15:42:13 C 18 24 23.58 -53 03 16.6 t 474
2017-02-28 15:47:40 C 18 24 24.35 -53 03 17.2 t 474
2017-03-27 08:57:02 C 19 30 05.98 -51 20 24.8 u 807
2017-03-27 09:02:33 C 19 30 06.34 -51 20 25.0 u 807
2017-04-26 08:50:59 C 19 43 32.77 -50 11 33.9 u 807
2017-04-26 08:56:24 C 19 43 32.58 -50 11 33.6 u 807
2017-04-26 09:01:50 C 19 43 32.40 -50 11 33.3 u 807
2017-05-01 07:54:44 C 19 39 11.21 -50 06 49.9 u 807
2017-05-01 08:00:10 C 19 39 10.97 -50 06 50.0 u 807
2017-05-01 08:05:35 C 19 39 10.72 -50 06 50.4 u 807