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
2014-11-27 11:42:18 C 09 53 33.12 +32 49 21.2 u H21
2014-11-27 16:54:19 C 09 54 13.34 +32 37 17.3 o 300
2014-11-27 16:57:38 C 09 54 13.71 +32 37 10.4 o 300
2014-11-27 17:00:55 C 09 54 14.18 +32 37 03.0 o 300
2014-11-27 17:07:32 C 09 54 14.99 +32 36 48.0 o 300
2014-11-29 11:02:25 C 09 59 25.52 +30 56 55.4 q 703
2014-11-29 11:13:49 C 09 59 26.86 +30 56 27.7 q 703
2014-11-29 11:25:16 C 09 59 28.20 +30 55 59.7 q 703
2014-11-29 11:36:50 C 09 59 29.57 +30 55 31.7 q 703
2014-12-01 09:04:08 C 10 04 58.93 +29 00 50.4 q 703
2014-12-01 09:10:37 C 10 04 59.67 +29 00 34.0 q 703
2014-12-01 09:17:06 C 10 05 00.41 +29 00 17.1 q 703
2014-12-01 09:23:35 C 10 05 01.18 +29 00 00.3 q 703
2014-12-07 09:42:11 C 10 21 27.97 +22 11 20.7 u H21
2014-12-07 09:44:55 C 10 21 28.26 +22 11 12.2 u H21
2014-12-07 09:47:39 C 10 21 28.54 +22 11 03.9 u H21
2014-12-07 09:50:23 C 10 21 28.83 +22 10 55.6 u H21
2014-12-07 09:53:06 C 10 21 29.11 +22 10 47.2 u H21
2014-12-07 09:55:50 C 10 21 29.39 +22 10 38.8 u H21
2014-12-07 09:58:33 C 10 21 29.68 +22 10 30.5 u H21
2014-12-07 10:01:17 C 10 21 29.97 +22 10 22.1 u H21
2014-12-07 10:04:01 C 10 21 30.24 +22 10 13.7 u H21
2014-12-07 10:06:44 C 10 21 30.52 +22 10 05.4 u H21
2014-12-07 10:09:29 C 10 21 30.82 +22 09 56.9 u H21
2014-12-07 11:46:37 C 10 21 40.92 +22 04 58.1 u H21
2014-12-07 11:49:12 C 10 21 41.19 +22 04 50.1 u H21
2014-12-07 11:51:47 C 10 21 41.45 +22 04 42.2 u H21
2014-12-07 11:54:21 C 10 21 41.72 +22 04 34.2 u H21
2014-12-07 11:56:56 C 10 21 41.99 +22 04 26.4 u H21
2014-12-07 11:59:30 C 10 21 42.26 +22 04 18.1 u H21
2014-12-08 14:01:42 C 10 24 32.221 +20 43 07.15 L F51
2014-12-08 14:18:49 C 10 24 33.961 +20 42 13.16 L F51
2014-12-08 14:36:01 C 10 24 35.708 +20 41 18.75 L F51
2014-12-12 04:43:13 C 10 33 35.71 +15 56 09.6 q 160
2014-12-12 04:45:46 C 10 33 35.97 +15 56 00.5 q 160
2014-12-12 04:48:42 C 10 33 36.25 +15 55 50.6 q 160
2014-12-13 01:49:54 C 10 35 44.34 +14 42 37.1 q 089
2014-12-13 01:52:45 C 10 35 44.61 +14 42 27.6 q 089
2014-12-13 01:55:36 C 10 35 44.90 +14 42 17.2 q 089
2014-12-13 01:58:27 C 10 35 45.17 +14 42 07.5 q 089
2014-12-13 02:01:18 C 10 35 45.43 +14 41 57.5 q 089
2014-12-13 02:04:09 C 10 35 45.70 +14 41 47.4 q 089
2014-12-13 02:07:00 C 10 35 45.99 +14 41 37.2 q 089
2014-12-13 02:09:51 C 10 35 46.25 +14 41 27.2 q 089
2014-12-13 02:12:42 C 10 35 46.52 +14 41 17.7 q 089
2014-12-13 02:15:33 C 10 35 46.79 +14 41 07.4 q 089
2014-12-20 09:08:45 C 10 52 26.16 +03 43 07.7 o H15
2014-12-20 09:23:42 C 10 52 27.44 +03 42 08.4 o H15
2014-12-20 09:39:38 C 10 52 28.78 +03 41 05.0 o H15
2014-12-26 10:41:24 C 11 04 53.71 -06 11 54.3 u H21