2015 WF9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7023648099 ± 9.37e-08
Semi-major axis (a)1.7896266072 AU ± 4.00e-08
Inclination (i)52.76855139° ± 2.17e-05
Long. of Asc. Node (Ω)245.94382772° ± 7.89e-06
Arg. of Perihelion (ω)328.48710048° ± 1.98e-05
Mean Anomaly (M)347.62279427° ± 2.77e-05
Mean Motion (n)0.4116884038°/day ± 1.38e-08
Perihelion dist (q)0.53265586 AU ± 1.68e-07
Aphelion dist (Q)3.04659736 AU ± 1.81e-07
Orbital Period2.39410747 yr ± 8.02e-08
Physical Parameters
H (abs. magnitude)18.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.304″
Uncertainty0
Orbit TypeApollo
MOID0.434357 AU
Observations Used89
Oppositions3
Arc Total2015-2021
First Observation Used2015-11-22
Last Observation Used2021-01-10
Observations (89)
Date Type RA Dec Mag Band Observatory
2015-11-22 07:24:35 C 04 32 51.05 +23 04 44.4 q G96
2015-11-22 07:31:12 C 04 32 50.40 +23 04 39.7 q G96
2015-11-22 07:37:49 C 04 32 49.80 +23 04 34.4 q G96
2015-11-22 07:44:25 C 04 32 49.19 +23 04 28.5 q G96
2015-11-22 08:55:04 C 04 32 42.71 +23 03 31.6 q G96
2015-11-22 09:03:04 C 04 32 41.96 +23 03 24.8 q G96
2015-11-22 09:11:00 C 04 32 41.25 +23 03 18.8 q G96
2015-11-22 09:18:59 C 04 32 40.48 +23 03 12.6 q G96
2015-11-22 12:44:18 C 04 32 21.69 +23 00 25.1 o 291
2015-11-22 12:47:09 C 04 32 21.45 +23 00 23.1 o 291
2015-11-22 12:50:01 C 04 32 21.18 +23 00 20.6 o 291
2015-11-23 07:18:17 C 04 30 40.88 +22 45 18.9 t H01
2015-11-23 07:24:47 C 04 30 40.28 +22 45 13.7 t H01
2015-11-23 07:46:49 C 04 30 38.26 +22 44 56.0 o 695
2015-11-23 07:47:35 C 04 30 38.16 +22 44 54.9 t H01
2015-11-23 07:50:42 C 04 30 37.90 +22 44 52.8 o 695
2015-11-23 07:52:24 C 04 30 37.71 +22 44 50.9 t H01
2015-11-23 08:05:50 C 04 30 36.52 +22 44 40.4 o 695
2015-11-24 04:28:59 C 04 28 44.50 +22 27 45.9 o 695
2015-11-24 04:43:30 C 04 28 43.18 +22 27 33.8 o 695
2015-11-24 04:58:01 C 04 28 41.79 +22 27 21.3 o 695
2015-11-24 05:09:09 C 04 28 40.73 +22 27 12.3 t H01
2015-11-24 05:20:43 C 04 28 39.66 +22 27 02.3 t H01
2015-11-24 05:31:22 C 04 28 38.66 +22 26 53.5 t H01
2015-11-24 05:39:46 C 04 28 37.87 +22 26 46.4 t H01
2015-11-29 07:20:32 C 04 17 07.41 +20 40 04.6 o 291
2015-11-29 07:47:36 C 04 17 04.78 +20 39 40.0 o 291
2015-11-29 08:14:41 C 04 17 02.12 +20 39 15.2 o 291
2015-12-03 08:58:41 C 04 07 38.65 +19 08 15.0 o 291
2015-12-03 09:04:08 C 04 07 38.10 +19 08 09.8 o 291
2015-12-03 09:09:36 C 04 07 37.58 +19 08 04.6 o 291
2015-12-04 05:16:51 C 04 05 40.32 +18 48 35.4 q G96
2015-12-04 05:27:40 C 04 05 39.23 +18 48 24.9 q G96
2015-12-04 05:38:28 C 04 05 38.17 +18 48 14.4 q G96
2015-12-04 05:49:16 C 04 05 37.09 +18 48 04.1 q G96
2015-12-04 06:59:53 C 04 05 30.04 +18 46 55.2 t 705
2015-12-04 07:01:19 C 04 05 29.89 +18 46 53.7 t 705
2015-12-04 07:02:46 C 04 05 29.74 +18 46 52.1 t 705
2015-12-05 07:01:37 C 04 03 09.62 +18 23 25.9 q G96
2015-12-05 07:04:08 C 04 03 09.40 +18 23 22.6 q G96
2015-12-05 07:06:38 C 04 03 09.14 +18 23 20.5 q G96
2015-12-05 07:09:09 C 04 03 08.88 +18 23 18.1 q G96
2015-12-06 10:50:39 C 04 00 27.231 +17 55 59.64 L F51
2015-12-06 11:10:09 C 04 00 25.317 +17 55 40.51 L F51
2015-12-06 11:49:15 C 04 00 21.441 +17 55 01.23 L F51
2015-12-07 11:07:34 C 03 58 06.053 +17 31 50.20 L F51
2015-12-07 11:23:45 C 03 58 04.449 +17 31 34.28 L F51
2015-12-13 05:41:12 C 03 44 58.740 +15 11 56.87 L F51
2015-12-13 05:59:50 C 03 44 56.997 +15 11 38.36 L F51
2015-12-13 06:18:33 C 03 44 55.232 +15 11 19.18 L F51