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
2021-10-01 12:06:24 C 05 37 00.14 -07 01 34.0 o 291
2021-10-02 15:10:51 C 05 41 44.044 -07 15 35.49 V T12
2021-10-03 14:01:54 C 05 45 47.827 -07 27 35.15 U F52
2021-10-03 14:18:30 C 05 45 50.720 -07 27 43.65 U F52
2021-10-03 14:35:06 C 05 45 53.651 -07 27 52.61 U F52
2021-10-03 14:52:16 C 05 45 56.676 -07 28 01.61 U F52
2021-11-11 10:51:16 C 09 24 13.39 -13 16 39.7 o 691
2021-11-11 11:17:10 C 09 24 20.35 -13 16 39.7 o 691
2021-11-11 11:43:05 C 09 24 27.23 -13 16 38.1 o 691
2022-02-04 21:31:46 S 15 14 50.41 +01 07 12.6 L C51
2022-02-05 00:39:55 S 15 15 02.90 +01 08 50.7 L C51
2022-02-05 03:48:03 S 15 15 15.36 +01 10 31.5 L C51
2022-02-05 06:56:11 S 15 15 27.67 +01 12 09.9 L C51
2022-02-05 10:04:18 S 15 15 40.02 +01 13 50.1 L C51
2022-02-05 11:38:23 S 15 15 46.15 +01 14 39.1 L C51
2022-02-05 13:12:26 S 15 15 52.28 +01 15 29.4 L C51
2022-02-05 14:46:31 S 15 15 58.31 +01 16 19.1 L C51
2022-02-05 16:20:34 S 15 16 04.44 +01 17 08.4 L C51
2022-02-05 17:54:39 S 15 16 10.483 +01 17 59.06 L C51
2022-02-05 19:28:31 S 15 16 16.56 +01 18 48.4 L C51
2022-02-05 19:28:43 S 15 16 16.60 +01 18 48.8 L C51
2022-02-05 21:02:36 S 15 16 22.68 +01 19 38.5 L C51
2022-02-05 21:02:47 S 15 16 22.62 +01 19 39.4 L C51
2022-02-06 00:10:44 S 15 16 34.663 +01 21 18.00 L C51
2022-02-06 03:18:52 S 15 16 46.71 +01 22 57.8 L C51
2022-02-06 06:26:59 S 15 16 58.69 +01 24 36.8 L C51
2022-02-28 10:03:11 C 15 37 19.23 +06 33 24.2 u H21
2022-02-28 10:07:46 C 15 37 19.27 +06 33 27.2 u H21
2022-02-28 10:14:02 C 15 37 19.34 +06 33 31.0 u H21
2022-03-28 09:14:16 C 15 24 23.66 +13 08 32.7 u H21
2022-03-28 09:17:15 C 15 24 23.52 +13 08 34.2 u H21
2022-03-28 09:24:50 C 15 24 23.15 +13 08 37.9 u H21
2022-04-01 10:32:43 C 15 19 26.972 +13 53 19.32 V G96
2022-04-01 10:40:07 C 15 19 26.573 +13 53 22.78 V G96
2022-04-01 10:47:29 C 15 19 26.184 +13 53 25.62 V G96
2022-04-03 08:09:14 C 15 16 56.70 +14 12 16.5 u H21
2022-04-03 08:20:40 C 15 16 56.03 +14 12 20.9 u H21
2022-04-03 08:32:21 C 15 16 55.38 +14 12 25.8 u H21