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
2014-09-22 02:31:07 S 05 35 05.23 +52 32 24.6 L C51
2014-09-22 16:43:24 S 05 37 23.12 +52 35 43.9 L C51
2014-09-22 19:52:49 S 05 37 53.57 +52 36 27.7 L C51
2014-09-22 23:02:14 S 05 38 24.41 +52 37 10.7 L C51
2014-09-23 08:30:30 S 05 39 56.67 +52 39 16.6 L C51
2014-09-23 17:58:45 S 05 41 29.21 +52 41 16.0 L C51
2014-09-23 21:08:10 S 05 42 00.30 +52 41 53.8 L C51
2014-11-02 20:12:45 C 08 27 05.41 +48 09 17.6 o C94
2014-11-02 21:18:00 C 08 27 15.95 +48 08 17.0 o C94
2014-11-02 21:21:52 C 08 27 16.69 +48 08 13.5 o C94
2014-11-02 21:25:43 C 08 27 17.24 +48 08 10.0 o C94
2014-11-09 09:47:25 C 08 52 20.99 +45 19 32.1 u H21
2014-11-09 09:50:09 C 08 52 21.39 +45 19 28.9 u H21
2014-11-09 09:52:53 C 08 52 21.81 +45 19 25.5 u H21
2014-11-09 09:55:36 C 08 52 22.22 +45 19 22.2 u H21
2014-11-09 09:58:20 C 08 52 22.63 +45 19 19.0 u H21
2014-11-09 10:00:37 C 08 52 22.97 +45 19 16.3 u H21
2014-11-09 10:02:36 C 08 52 23.28 +45 19 13.9 u H21
2014-11-15 10:55:59 C 09 14 16.95 +41 59 12.6 u H21
2014-11-15 10:58:29 C 09 14 17.30 +41 59 08.8 u H21
2014-11-15 11:00:59 C 09 14 17.66 +41 59 05.0 u H21
2014-11-15 11:03:29 C 09 14 18.01 +41 59 01.2 u H21
2014-11-15 11:05:59 C 09 14 18.36 +41 58 57.3 u H21
2014-11-15 11:08:29 C 09 14 18.72 +41 58 53.4 u H21
2014-11-15 11:10:59 C 09 14 19.08 +41 58 49.6 u H21
2014-11-15 11:12:44 C 09 14 19.32 +41 58 47.0 u H21
2014-11-15 11:15:14 C 09 14 19.68 +41 58 43.1 u H21
2014-11-18 10:52:51 C 09 24 38.19 +40 02 22.9 q 703
2014-11-18 10:59:21 C 09 24 39.08 +40 02 11.8 q 703
2014-11-18 11:05:52 C 09 24 40.00 +40 02 01.1 q 703
2014-11-18 11:12:33 C 09 24 40.89 +40 01 49.5 q 703
2014-11-26 10:22:58 C 09 50 21.86 +33 46 44.3 q 703
2014-11-26 10:34:39 C 09 50 23.31 +33 46 18.7 q 703
2014-11-26 10:46:21 C 09 50 24.73 +33 45 52.5 q 703
2014-11-26 10:58:08 C 09 50 26.20 +33 45 26.6 q 703
2014-11-26 11:14:26 C 09 50 27.71 +33 44 48.7 u H21
2014-11-26 11:17:08 C 09 50 28.04 +33 44 42.8 u H21
2014-11-26 11:19:51 C 09 50 28.37 +33 44 36.7 u H21
2014-11-26 11:22:33 C 09 50 28.70 +33 44 30.8 u H21
2014-11-26 11:25:15 C 09 50 29.04 +33 44 24.7 u H21
2014-11-26 11:27:57 C 09 50 29.37 +33 44 18.7 u H21
2014-11-26 11:30:40 C 09 50 29.70 +33 44 12.7 u H21
2014-11-26 11:33:22 C 09 50 30.03 +33 44 06.6 u H21
2014-11-26 11:37:30 C 09 50 30.54 +33 43 57.5 u H21
2014-11-27 11:27:10 C 09 53 31.29 +32 49 55.9 u H21
2014-11-27 11:29:57 C 09 53 31.63 +32 49 49.6 u H21
2014-11-27 11:32:40 C 09 53 31.95 +32 49 43.3 u H21
2014-11-27 11:35:21 C 09 53 32.28 +32 49 37.1 u H21
2014-11-27 11:38:01 C 09 53 32.60 +32 49 31.0 u H21
2014-11-27 11:40:09 C 09 53 32.86 +32 49 26.0 u H21