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
2017-12-09 21:07:53 C 00 42 39.34 +19 03 53.8 q 160
2017-12-09 21:10:53 C 00 42 39.57 +19 03 43.3 q 160
2017-12-09 21:13:53 C 00 42 39.87 +19 03 32.3 q 160
2017-12-10 07:30:00 C 00 43 39.80 +18 25 46.2 U T08
2017-12-10 07:42:07 C 00 43 40.91 +18 25 01.3 U T08
2017-12-10 07:54:27 C 00 43 42.02 +18 24 14.9 U T08
2017-12-10 08:03:55 C 00 43 42.92 +18 23 40.6 U T08
2017-12-10 08:06:57 C 00 43 43.16 +18 23 29.7 U T08
2017-12-12 07:27:27 C 00 48 21.77 +15 31 04.5 U T05
2017-12-12 07:41:14 C 00 48 23.04 +15 30 14.8 U T05
2017-12-12 07:54:02 C 00 48 24.24 +15 29 28.2 U T05
2017-12-12 08:07:55 C 00 48 25.52 +15 28 38.6 U T05
2017-12-15 04:30:31 C 00 55 13.52 +11 28 31.9 U 703
2017-12-15 04:38:09 C 00 55 14.26 +11 28 05.1 U 703
2017-12-15 04:45:48 C 00 55 14.97 +11 27 38.8 U 703
2017-12-15 04:53:27 C 00 55 15.73 +11 27 12.5 U 703
2017-12-16 02:41:34 C 00 57 27.69 +10 13 16.0 U G96
2017-12-16 02:49:45 C 00 57 28.47 +10 12 48.5 U G96
2017-12-16 02:57:57 C 00 57 29.25 +10 12 20.9 U G96
2017-12-16 03:06:09 C 00 57 30.02 +10 11 53.3 U G96
2017-12-21 00:10:01 S 01 09 22.200 +03 59 28.75 L C51
2017-12-21 03:18:31 S 01 09 41.520 +03 50 06.22 L C51
2017-12-22 04:31:38 C 01 12 15.80 +02 35 36.9 U 703
2017-12-22 04:39:51 C 01 12 16.59 +02 35 12.7 U 703
2017-12-22 04:48:06 C 01 12 17.48 +02 34 49.4 U 703
2017-12-22 04:56:20 C 01 12 18.23 +02 34 25.1 U 703
2018-01-06 04:12:19 C 01 49 18.77 -11 25 56.5 U 703
2018-01-06 04:20:00 C 01 49 19.53 -11 26 11.3 U 703
2018-01-06 04:35:21 C 01 49 20.98 -11 26 38.9 U 703
2018-01-19 03:22:39 C 02 21 12.32 -19 07 41.9 U G96
2018-01-19 03:30:48 C 02 21 13.11 -19 07 51.7 U G96
2018-01-19 03:38:56 C 02 21 13.90 -19 08 01.3 U G96
2018-01-19 03:47:04 C 02 21 14.73 -19 08 11.1 U G96
2022-10-21 11:38:41 C 08 14 36.557 +26 41 28.28 V G96
2022-10-21 11:44:49 C 08 14 37.273 +26 41 15.40 V G96
2022-10-21 11:50:57 C 08 14 38.015 +26 41 02.40 V G96
2022-10-21 11:57:04 C 08 14 38.706 +26 40 49.58 V G96
2022-10-25 11:28:23 C 08 26 05.377 +23 10 29.14 V G96
2022-10-25 11:35:47 C 08 26 06.238 +23 10 12.36 V G96
2022-10-25 11:43:11 C 08 26 07.084 +23 09 55.19 V G96
2022-10-25 11:50:35 C 08 26 07.926 +23 09 37.98 V G96
2022-10-28 13:20:56 C 08 34 43.440 +20 13 58.82 U F51
2022-10-28 14:01:02 C 08 34 47.958 +20 12 20.03 U F51
2022-10-28 14:21:06 C 08 34 50.210 +20 11 30.67 U F51
2022-10-30 13:26:23 C 08 40 14.777 +18 12 27.43 U F51
2022-10-30 13:44:01 C 08 40 16.741 +18 11 42.19 U F51
2022-10-30 14:01:37 C 08 40 18.695 +18 10 56.96 U F51
2022-10-30 14:19:16 C 08 40 20.657 +18 10 11.51 U F51
2022-11-01 13:45:38 C 08 45 43.481 +16 05 06.47 U F52
2022-11-01 14:03:02 C 08 45 45.383 +16 04 19.93 U F52