2016 WF9

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6650193927 ± 1.94e-08
Semi-major axis (a)2.8490332569 AU ± 1.75e-08
Inclination (i)15.18253682° ± 4.29e-06
Long. of Asc. Node (Ω)125.15918242° ± 2.13e-05
Arg. of Perihelion (ω)342.91804976° ± 2.08e-05
Mean Anomaly (M)295.43166091° ± 5.90e-06
Mean Motion (n)0.2049585302°/day ± 1.89e-09
Perihelion dist (q)0.95437089 AU ± 5.55e-08
Aphelion dist (Q)4.74369562 AU ± 6.24e-08
Orbital Period4.80890589 yr ± 4.42e-08
Physical Parameters
H (abs. magnitude)20.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.238″
Uncertainty0
Orbit TypeApollo
MOID0.012075 AU
Observations Used110
Oppositions5
Arc Total2016-2022
First Observation Used2016-10-10
Last Observation Used2022-04-03
Observations (188)
Date Type RA Dec Mag Band Observatory
2017-01-01 01:05:10 C 00 47 30.31 -20 28 35.3 – u 807
2017-01-01 01:13:23 C 00 47 30.85 -20 28 25.5 – u 807
2017-01-01 01:21:50 C 00 47 31.44 -20 28 15.9 – u 807
2017-01-07 01:39:01 C 00 58 38.82 -17 28 05.6 – o 291
2017-01-07 02:05:00 C 00 58 40.88 -17 27 29.9 – o 291
2017-01-09 01:51:22 C 01 02 43.03 -16 21 48.3 – o 291
2017-01-09 02:12:57 C 01 02 44.84 -16 21 17.6 – o 291
2017-01-09 02:34:33 C 01 02 46.61 -16 20 47.2 – o 291
2017-01-16 01:09:53 C 01 18 16.02 -12 04 39.5 – u 807
2017-01-16 01:14:07 C 01 18 16.43 -12 04 32.2 – u 807
2017-01-16 01:18:40 C 01 18 16.87 -12 04 24.5 – u 807
2017-01-19 02:23:53 C 01 25 49.26 -09 57 44.7 – o 291
2017-01-19 02:26:07 C 01 25 49.47 -09 57 40.9 – o 291
2017-01-19 02:28:20 C 01 25 49.72 -09 57 36.7 – o 291
2017-01-29 04:14:56 C 01 54 33.04 -01 39 56.2 – o 291
2017-01-29 04:18:38 C 01 54 33.53 -01 39 47.8 – o 291
2017-01-29 04:22:22 C 01 54 34.11 -01 39 38.4 – o 291
2017-01-31 05:08:46 C 02 01 13.040 +00 17 10.36 – U T12
2017-01-31 05:09:52 C 02 01 13.191 +00 17 13.10 – U T12
2017-02-02 05:05:59 C 02 08 04.710 +02 17 46.98 – U T12
2017-02-11 02:32:27 C 02 43 26.90 +12 24 40.1 – o 695
2017-02-11 02:37:59 C 02 43 27.92 +12 24 57.3 – o 695
2017-02-11 02:43:33 C 02 43 28.95 +12 25 15.0 – o 695
2017-02-21 03:09:19 C 03 36 25.31 +25 31 09.1 – o 691
2017-02-21 03:20:32 C 03 36 28.26 +25 31 47.7 – o 691
2017-02-21 03:31:47 C 03 36 31.09 +25 32 24.5 – o 691
2017-02-24 03:48:16 C 03 56 04.65 +29 30 31.9 – o 691
2017-02-24 04:01:03 C 03 56 08.22 +29 31 14.5 – o 691
2017-02-24 04:13:44 C 03 56 11.80 +29 31 56.9 – o 691
2017-03-15 05:33:23 C 06 38 49.46 +46 36 16.9 – o 291
2017-03-15 05:37:58 C 06 38 51.19 +46 36 20.8 – o 291
2017-03-15 05:42:29 C 06 38 52.97 +46 36 24.6 – o 291
2017-03-19 04:41:07 C 07 15 07.56 +47 33 09.1 – q G96
2017-03-19 04:47:21 C 07 15 09.83 +47 33 10.8 – q G96
2017-03-19 04:59:50 C 07 15 14.35 +47 33 14.8 – q G96
2017-03-19 05:57:53 C 07 15 36.848 +47 33 39.54 – V F51
2017-03-19 06:18:24 C 07 15 44.257 +47 33 45.99 – L F51
2017-03-19 06:38:59 C 07 15 51.690 +47 33 52.56 – L F51
2017-03-19 06:59:36 C 07 15 59.210 +47 33 58.71 – L F51
2017-03-22 17:51:24 S 07 45 43.416 +47 42 50.44 – L C51
2017-03-22 21:00:05 S 07 46 48.444 +47 42 33.41 – L C51
2017-03-23 00:08:35 S 07 47 53.232 +47 42 13.97 – L C51
2017-03-23 03:17:16 S 07 48 57.888 +47 41 51.47 – L C51
2017-03-23 06:25:46 S 07 50 02.254 +47 41 27.28 – L C51
2017-03-23 06:25:57 S 07 50 02.292 +47 41 27.13 – L C51
2017-03-23 09:34:27 S 07 51 06.444 +47 40 59.99 – L C51
2017-03-23 12:42:57 S 07 52 10.409 +47 40 30.94 – L C51
2017-03-23 12:43:08 S 07 52 10.459 +47 40 29.64 – L C51
2017-03-23 17:25:54 S 07 53 45.99 +47 39 41.6 – L C51
2017-03-23 19:00:19 S 07 54 17.762 +47 39 24.01 – L C51