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
2014-12-26 10:43:58 C 11 04 53.91 -06 12 05.0 u H21
2014-12-26 10:46:17 C 11 04 54.08 -06 12 14.6 u H21
2014-12-26 10:48:51 C 11 04 54.27 -06 12 25.4 u H21
2014-12-26 10:51:10 C 11 04 54.46 -06 12 35.0 u H21
2014-12-26 10:53:29 C 11 04 54.63 -06 12 44.5 u H21
2014-12-26 10:56:03 C 11 04 54.83 -06 12 55.2 u H21
2014-12-26 10:58:38 C 11 04 55.02 -06 13 06.0 u H21
2014-12-26 11:01:12 C 11 04 55.21 -06 13 16.8 u H21
2014-12-26 11:03:31 C 11 04 55.39 -06 13 26.4 u H21
2014-12-26 11:06:06 C 11 04 55.58 -06 13 37.0 u H21
2014-12-26 11:08:40 C 11 04 55.79 -06 13 47.9 u H21
2014-12-26 11:43:17 C 11 04 58.41 -06 16 11.8 u H21
2014-12-26 11:45:52 C 11 04 58.61 -06 16 22.6 u H21
2014-12-26 11:48:26 C 11 04 58.81 -06 16 33.1 u H21
2014-12-26 11:51:00 C 11 04 59.01 -06 16 43.9 u H21
2014-12-26 11:53:35 C 11 04 59.19 -06 16 54.8 u H21
2014-12-26 11:56:09 C 11 04 59.40 -06 17 05.3 u H21
2014-12-26 11:59:30 C 11 04 59.65 -06 17 19.3 u H21
2014-12-27 02:04:51 C 11 06 09.35 -07 16 01.3 q 160
2014-12-27 02:06:57 C 11 06 09.51 -07 16 09.8 q 160
2014-12-27 02:09:04 C 11 06 09.67 -07 16 19.0 q 160
2014-12-27 11:33:00 C 11 06 54.58 -07 55 26.0 R G45
2014-12-27 11:38:59 C 11 06 55.05 -07 55 50.9 R G45
2014-12-27 11:47:34 C 11 06 55.66 -07 56 26.2 R G45
2014-12-27 11:53:32 C 11 06 56.13 -07 56 51.4 R G45
2014-12-27 12:06:44 C 11 06 57.09 -07 57 46.4 R G45
2014-12-29 11:29:09 C 11 10 41.90 -11 15 15.0 R G45
2014-12-29 11:33:32 C 11 10 42.19 -11 15 33.3 R G45
2014-12-29 11:37:55 C 11 10 42.52 -11 15 51.4 R G45
2014-12-29 11:44:30 C 11 10 42.98 -11 16 19.0 R G45
2014-12-29 11:48:53 C 11 10 43.27 -11 16 37.3 R G45
2014-12-29 11:53:54 C 11 10 43.66 -11 16 58.0 R G45
2014-12-29 11:58:18 C 11 10 43.98 -11 17 16.2 R G45
2014-12-29 12:02:40 C 11 10 44.29 -11 17 34.5 R G45
2014-12-30 11:26:38 C 11 12 32.81 -12 54 50.5 R G45
2014-12-30 11:32:48 C 11 12 33.25 -12 55 16.1 R G45
2014-12-30 11:41:55 C 11 12 33.89 -12 55 54.0 R G45
2014-12-30 11:54:59 C 11 12 34.79 -12 56 48.3 R G45
2014-12-30 12:01:08 C 11 12 35.22 -12 57 14.1 R G45
2015-01-04 05:44:26 C 11 20 58.86 -20 41 29.9 u 807
2015-01-04 05:47:21 C 11 20 59.05 -20 41 41.8 u 807
2015-01-04 05:50:15 C 11 20 59.25 -20 41 53.3 u 807
2015-01-04 05:53:09 C 11 20 59.45 -20 42 05.0 u 807
2015-01-04 05:56:04 C 11 20 59.64 -20 42 16.9 u 807
2015-01-04 05:59:08 C 11 20 59.83 -20 42 29.2 u 807
2015-05-01 03:07:07 C 11 31 40.68 -56 18 27.8 u 807
2015-05-01 03:13:34 C 11 31 41.01 -56 18 20.4 u 807
2015-05-01 03:20:15 C 11 31 41.33 -56 18 12.8 u 807
2015-05-01 03:27:00 C 11 31 41.70 -56 18 05.1 u 807
2015-06-01 02:12:43 C 12 21 37.54 -42 57 55.3 u 807