530871 (2011 WS2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7433462484 ± 3.89e-07
Semi-major axis (a)1.0094464853 AU ± 5.29e-09
Inclination (i)46.79650540° ± 2.06e-05
Long. of Asc. Node (Ω)326.71993603° ± 7.97e-05
Arg. of Perihelion (ω)307.68007931° ± 6.25e-05
Mean Anomaly (M)334.03627079° ± 3.39e-05
Mean Motion (n)0.9718233413°/day ± 7.65e-09
Perihelion dist (q)0.25907823 AU ± 3.92e-07
Aphelion dist (Q)1.75981474 AU ± 3.93e-07
Orbital Period1.01420314 yr ± 7.98e-09
Physical Parameters
H (abs. magnitude)17.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.305″
Uncertainty0
Orbit TypeApollo
MOID0.093661 AU
Observations Used100
Oppositions1
Arc Total2011-2021
First Observation Used2011-11-17
Last Observation Used2021-01-13
Observations (129)
Date Type RA Dec Mag Band Observatory
2010-01-07 07:57:50 S 21 44 40.476 +63 48 23.54 L C51
2010-01-07 20:40:08 x 21 48 04.53 +63 48 59.2 L C51
2010-01-07 20:40:08 S 21 48 04.43 +63 48 59.5 L C51
2010-01-08 06:11:42 S 21 50 37.26 +63 49 20.3 L C51
2010-01-08 09:22:13 S 21 51 28.00 +63 49 26.6 L C51
2010-01-08 14:08:05 S 21 52 44.41 +63 49 34.1 L C51
2010-01-08 15:43:26 S 21 53 09.76 +63 49 36.6 L C51
2010-01-08 17:18:36 S 21 53 35.16 +63 49 38.5 L C51
2010-01-08 18:53:57 S 21 54 00.564 +63 49 40.87 L C51
2010-01-08 20:29:07 S 21 54 25.93 +63 49 42.7 L C51
2010-01-08 20:29:18 S 21 54 25.98 +63 49 42.3 L C51
2010-01-08 23:39:49 S 21 55 16.79 +63 49 45.5 L C51
2010-01-09 01:14:59 S 21 55 42.11 +63 49 47.6 L C51
2010-01-09 07:36:13 S 21 57 23.58 +63 49 52.0 L C51
2010-01-09 09:11:23 S 21 57 48.931 +63 49 52.90 L C51
2010-01-09 13:57:15 S 21 59 04.91 +63 49 54.3 L C51
2010-01-10 04:14:40 S 22 02 52.471 +63 49 52.28 L C51
2010-01-10 05:50:02 S 22 03 17.767 +63 49 51.31 L C51
2010-01-10 09:00:33 S 22 04 08.261 +63 49 49.19 L C51
2010-01-11 07:14:22 S 22 10 00.718 +63 49 18.41 L C51
2010-01-11 08:49:32 S 22 10 25.764 +63 49 15.56 L C51
2010-01-12 07:03:20 S 22 16 16.476 +63 48 18.32 L C51
2010-01-12 08:38:42 S 22 16 41.436 +63 48 13.43 L C51
2010-01-12 13:24:34 S 22 17 56.388 +63 47 57.08 L C51
2010-01-12 19:45:36 S 22 19 36.154 +63 47 34.26 L C51
2010-01-12 22:56:07 S 22 20 25.733 +63 47 22.16 L C51
2010-01-13 05:17:20 S 22 22 05.542 +63 46 56.06 L C51
2011-11-17 01:32:19 C 17 15 37.65 +37 37 49.2 r 703
2011-11-17 01:39:39 C 17 15 38.80 +37 38 03.4 r 703
2011-11-17 01:46:56 C 17 15 40.17 +37 38 18.1 r 703
2011-11-17 01:54:21 C 17 15 41.40 +37 38 31.6 r 703
2011-11-17 02:38:30 C 17 15 49.39 +37 40 02.1 r 703
2011-11-17 02:39:28 C 17 15 49.64 +37 40 03.9 r 703
2011-11-17 02:40:29 C 17 15 49.78 +37 40 06.4 r 703
2011-11-17 02:41:28 C 17 15 49.86 +37 40 07.7 r 703
2011-11-17 16:39:56 C 17 18 21.27 +38 08 14.9 v C32
2011-11-17 16:41:23 C 17 18 21.58 +38 08 18.5 v C32
2011-11-17 16:43:07 C 17 18 21.90 +38 08 21.9 v C32
2011-11-17 16:44:35 C 17 18 22.22 +38 08 24.4 v C32
2011-11-17 18:33:22 C 17 18 41.83 +38 12 01.2 t 204
2011-11-17 18:43:58 C 17 18 43.89 +38 12 21.7 u J95
2011-11-17 18:44:30 C 17 18 43.82 +38 12 22.8 t 204
2011-11-17 18:55:24 C 17 18 45.91 +38 12 44.3 u J95
2011-11-17 18:55:38 C 17 18 45.85 +38 12 44.8 t 204
2011-11-17 19:05:25 C 17 18 47.69 +38 13 04.2 u J95
2011-11-18 00:08:07 C 17 19 42.29 +38 23 06.5 r H21
2011-11-18 00:12:24 C 17 19 43.04 +38 23 14.9 r H21
2011-11-18 00:19:35 C 17 19 44.36 +38 23 28.7 r H21
2011-11-18 02:27:03 C 17 20 07.32 +38 27 39.8 o H01
2011-11-18 02:33:57 C 17 20 08.56 +38 27 53.1 o H01