209924 (2005 WS55)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4534675454 ± 1.91e-08
Semi-major axis (a)2.0295309131 AU ± 4.25e-09
Inclination (i)23.76631359° ± 2.80e-06
Long. of Asc. Node (Ω)283.54353999° ± 4.74e-06
Arg. of Perihelion (ω)203.35135816° ± 6.20e-06
Mean Anomaly (M)272.76283895° ± 5.21e-06
Mean Motion (n)0.3408935390°/day ± 1.07e-09
Perihelion dist (q)1.10920451 AU ± 3.88e-08
Aphelion dist (Q)2.94985731 AU ± 3.92e-08
Orbital Period2.89130233 yr ± 9.08e-09
Physical Parameters
H (abs. magnitude)16.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.324″
Uncertainty0
Orbit TypeAmor
MOID0.148029 AU
Observations Used1135
Oppositions15
Arc Total2002-2025
First Observation Used2002-07-26
Last Observation Used2025-10-22
Observations (1160)
Date Type RA Dec Mag Band Observatory
2012-03-24 00:20:27 C 06 10 41.60 -16 25 46.0 L Y28
2012-03-24 00:21:30 C 06 10 41.74 -16 25 46.8 L Y28
2012-03-24 00:22:33 C 06 10 41.89 -16 25 47.5 L Y28
2012-03-24 00:23:36 C 06 10 42.04 -16 25 48.3 L Y28
2012-03-24 00:24:39 C 06 10 42.19 -16 25 49.0 L Y28
2012-03-24 00:25:42 C 06 10 42.34 -16 25 49.8 L Y28
2012-03-24 00:26:45 C 06 10 42.49 -16 25 50.6 L Y28
2012-03-24 00:27:48 C 06 10 42.64 -16 25 51.4 L Y28
2012-03-24 00:28:50 C 06 10 42.79 -16 25 52.1 L Y28
2012-03-24 00:29:53 C 06 10 42.94 -16 25 52.9 L Y28
2012-03-24 00:30:55 C 06 10 43.09 -16 25 53.7 L Y28
2012-03-24 00:31:58 C 06 10 43.24 -16 25 54.5 L Y28
2012-03-24 00:33:02 C 06 10 43.39 -16 25 55.3 L Y28
2012-03-24 00:34:05 C 06 10 43.54 -16 25 56.1 L Y28
2012-03-24 00:35:08 C 06 10 43.69 -16 25 56.8 L Y28
2012-03-24 00:36:11 C 06 10 43.84 -16 25 57.5 L Y28
2012-03-24 00:37:14 C 06 10 43.99 -16 25 58.4 L Y28
2012-03-24 00:38:15 C 06 10 44.14 -16 25 59.1 L Y28
2012-03-24 00:39:18 C 06 10 44.29 -16 25 59.9 L Y28
2012-03-24 00:40:21 C 06 10 44.44 -16 26 00.7 L Y28
2012-03-24 00:41:24 C 06 10 44.59 -16 26 01.4 L Y28
2012-03-24 00:42:27 C 06 10 44.74 -16 26 02.2 L Y28
2012-03-24 00:43:31 C 06 10 44.89 -16 26 03.0 L Y28
2012-03-24 00:44:34 C 06 10 45.04 -16 26 03.7 L Y28
2012-03-24 00:45:37 C 06 10 45.19 -16 26 04.5 L Y28
2012-03-24 00:46:39 C 06 10 45.34 -16 26 05.4 L Y28
2012-03-24 00:47:41 C 06 10 45.49 -16 26 06.0 L Y28
2012-03-24 00:48:44 C 06 10 45.64 -16 26 06.8 L Y28
2012-03-24 00:49:47 C 06 10 45.79 -16 26 07.5 L Y28
2012-03-24 00:50:50 C 06 10 45.94 -16 26 08.4 L Y28
2012-03-24 00:51:53 C 06 10 46.09 -16 26 09.1 L Y28
2012-03-24 00:52:56 C 06 10 46.25 -16 26 09.9 L Y28
2012-03-24 00:53:59 C 06 10 46.39 -16 26 10.7 L Y28
2012-03-24 00:55:02 C 06 10 46.54 -16 26 11.4 L Y28
2012-03-24 00:56:05 C 06 10 46.69 -16 26 12.3 L Y28
2012-03-24 00:57:08 C 06 10 46.84 -16 26 13.0 L Y28
2012-03-24 00:58:11 C 06 10 46.99 -16 26 13.7 L Y28
2012-03-24 00:59:13 C 06 10 47.16 -16 26 14.6 L Y28
2012-03-24 01:00:16 C 06 10 47.30 -16 26 15.3 L Y28
2012-03-24 01:01:19 C 06 10 47.45 -16 26 16.1 L Y28
2012-03-24 01:02:21 C 06 10 47.61 -16 26 16.9 L Y28
2012-03-24 01:03:25 C 06 10 47.75 -16 26 17.7 L Y28
2012-03-24 01:04:28 C 06 10 47.90 -16 26 18.4 L Y28
2012-03-24 01:05:31 C 06 10 48.06 -16 26 19.2 L Y28
2013-07-09 11:15:00 C 20 36 54.090 -06 19 36.55 L F51
2013-07-09 11:58:24 C 20 36 52.026 -06 19 31.69 L F51
2013-07-09 12:20:11 C 20 36 51.019 -06 19 29.30 L F51
2013-08-01 11:10:21 C 20 09 19.099 -05 47 09.59 t 568
2013-08-01 11:11:50 C 20 09 19.026 -05 47 09.57 t 568
2013-08-01 11:13:18 C 20 09 18.949 -05 47 09.52 t 568