438897 (2009 WN)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2215401764 ± 2.38e-08
Semi-major axis (a)1.3800720927 AU ± 1.72e-09
Inclination (i)32.78799951° ± 6.61e-06
Long. of Asc. Node (Ω)249.32824765° ± 3.81e-06
Arg. of Perihelion (ω)236.17749230° ± 9.96e-06
Mean Anomaly (M)282.41116775° ± 1.05e-05
Mean Motion (n)0.6079384549°/day ± 1.13e-09
Perihelion dist (q)1.07433068 AU ± 3.29e-08
Aphelion dist (Q)1.68581351 AU ± 3.29e-08
Orbital Period1.62125997 yr ± 3.02e-09
Physical Parameters
H (abs. magnitude)18.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.251″
Uncertainty0
Orbit TypeAmor
MOID0.173497 AU
Observations Used217
Oppositions9
Arc Total2002-2025
First Observation Used2002-06-21
Last Observation Used2025-12-02
Observations (258)
Date Type RA Dec Mag Band Observatory
2009-11-30 10:53:37 C 09 07 56.17 -15 15 50.9 r H36
2009-12-05 09:44:31 C 09 15 28.47 -24 24 43.4 o H21
2009-12-05 09:50:37 C 09 15 28.79 -24 25 11.6 o H21
2009-12-05 09:56:06 C 09 15 29.12 -24 25 35.9 o H21
2009-12-12 10:26:57 C 09 25 19.65 -36 30 59.7 o H21
2009-12-12 10:33:33 C 09 25 19.97 -36 31 28.0 o H21
2009-12-12 10:42:24 C 09 25 20.38 -36 32 02.9 o H21
2010-01-17 10:50:09 C 10 05 13.76 -73 15 01.7 o 474
2010-01-17 10:53:10 C 10 05 13.90 -73 15 05.7 o 474
2010-01-17 10:55:50 C 10 05 13.96 -73 15 10.0 o 474
2010-01-17 10:58:29 C 10 05 14.07 -73 15 14.3 o 474
2010-03-14 20:41:24 S 11 59 08.43 -87 40 10.1 L C51
2010-03-14 23:51:55 S 11 59 41.33 -87 39 57.6 L C51
2010-03-14 23:52:06 S 11 59 44.21 -87 39 58.5 L C51
2010-03-15 01:27:16 S 12 00 00.20 -87 39 50.0 L C51
2010-03-15 04:37:47 S 12 00 31.84 -87 39 37.6 L C51
2010-03-15 06:13:09 S 12 00 49.55 -87 39 30.6 L C51
2010-03-15 07:48:19 S 12 01 05.59 -87 39 23.6 L C51
2010-03-15 09:23:40 S 12 01 22.87 -87 39 15.4 L C51
2010-03-15 12:34:11 S 12 01 57.06 -87 39 00.3 L C51
2010-03-15 17:20:03 S 12 02 44.94 -87 38 36.3 L C51
2010-03-15 18:55:13 S 12 03 03.91 -87 38 25.6 L C51
2010-03-15 22:05:44 S 12 03 34.411 -87 38 07.37 L C51
2010-03-15 23:41:05 S 12 03 51.18 -87 37 59.5 L C51
2010-03-16 01:16:26 S 12 04 07.95 -87 37 50.4 L C51
2010-03-16 02:51:36 S 12 04 24.04 -87 37 40.8 L C51
2010-03-16 04:26:57 S 12 04 40.81 -87 37 31.6 L C51
2010-03-16 06:02:07 S 12 04 56.58 -87 37 19.8 L C51
2010-03-16 09:12:38 S 12 05 27.56 -87 36 59.8 L C51
2010-03-16 15:33:51 S 12 06 33.01 -87 36 17.2 L C51
2010-04-16 02:13:50 C 12 48 44.61 -79 01 58.8 r I19
2010-04-16 02:22:04 C 12 48 44.46 -79 01 48.1 r I19
2010-04-16 02:31:18 C 12 48 44.82 -79 01 34.6 r I19
2012-05-19 09:14:56 C 21 29 50.10 +15 00 27.8 o 695
2012-05-19 09:17:08 C 21 29 50.18 +15 00 30.7 o 695
2012-05-19 09:19:19 C 21 29 50.24 +15 00 33.4 o 695
2012-05-20 09:23:05 C 21 30 48.77 +15 31 25.3 o 695
2012-05-20 09:25:26 C 21 30 48.89 +15 31 28.2 o 695
2012-05-20 09:27:38 C 21 30 48.95 +15 31 31.2 o 695
2012-05-20 09:29:49 C 21 30 49.05 +15 31 33.6 o 695
2012-12-17 01:36:48 C 22 29 44.93 +17 07 31.2 o 695
2012-12-17 01:39:01 C 22 29 45.20 +17 07 29.8 o 695
2012-12-17 01:43:20 C 22 29 45.76 +17 07 27.6 o 695
2012-12-17 01:45:33 C 22 29 46.04 +17 07 25.9 o 695
2012-12-17 01:47:46 C 22 29 46.29 +17 07 24.6 o 695
2012-12-18 01:34:34 C 22 32 49.78 +16 53 14.6 o 695
2012-12-18 01:36:47 C 22 32 50.06 +16 53 13.1 o 695
2012-12-18 01:39:00 C 22 32 50.36 +16 53 11.7 o 695
2012-12-18 01:41:53 C 22 32 50.71 +16 53 10.1 o 695
2013-01-08 03:18:28 C 23 39 57.02 +12 30 24.3 o 695