523656 (2011 WO4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4977893941 ± 2.89e-08
Semi-major axis (a)1.7375641396 AU ± 6.53e-09
Inclination (i)60.93465126° ± 1.59e-05
Long. of Asc. Node (Ω)225.17608926° ± 5.90e-06
Arg. of Perihelion (ω)235.99956122° ± 8.53e-06
Mean Anomaly (M)18.80594642° ± 1.25e-05
Mean Motion (n)0.4303293909°/day ± 2.43e-09
Perihelion dist (q)0.87262314 AU ± 5.04e-08
Aphelion dist (Q)2.60250514 AU ± 5.12e-08
Orbital Period2.29039964 yr ± 1.29e-08
Physical Parameters
H (abs. magnitude)19.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.247″
Uncertainty0
Orbit TypeApollo
MOID0.028390 AU
Observations Used114
Oppositions5
Arc Total2011-2019
First Observation Used2011-11-17
Last Observation Used2019-05-11
Observations (115)
Date Type RA Dec Mag Band Observatory
2011-11-17 03:04:37 C 21 38 03.86 +23 41 07.2 19.0 c 704
2011-11-17 03:22:51 C 21 38 06.10 +23 38 57.7 19.3 c 704
2011-11-17 03:41:03 C 21 38 08.35 +23 36 49.1 19.3 c 704
2011-11-17 03:59:48 C 21 38 10.67 +23 34 35.6 19.0 c 704
2011-11-17 04:18:02 C 21 38 12.91 +23 32 26.0 18.9 c 704
2011-11-18 02:50:09 C 21 41 07.10 +20 51 39.7 o 291
2011-11-18 02:51:06 C 21 41 07.22 +20 51 33.1 o 291
2011-11-18 02:52:02 C 21 41 07.34 +20 51 26.4 o 291
2011-11-18 03:31:00 C 21 41 11.81 +20 46 41.2 r H21
2011-11-18 03:38:01 C 21 41 12.65 +20 45 49.4 r H21
2011-11-18 03:38:18 C 21 41 12.92 +20 45 51.7 o H01
2011-11-18 03:47:57 C 21 41 14.11 +20 44 41.8 o H01
2011-11-18 03:57:58 C 21 41 15.35 +20 43 29.5 o H01
2011-11-18 04:08:40 C 21 41 16.67 +20 42 12.3 o H01
2011-11-18 04:57:17 C 21 41 22.71 +20 36 22.6 c 854
2011-11-18 05:03:06 C 21 41 23.49 +20 35 40.8 c 854
2011-11-18 19:12:27 C 21 43 12.89 +18 53 16.3 u I93
2011-11-18 19:20:37 C 21 43 13.84 +18 52 16.9 u I93
2011-11-18 19:28:46 C 21 43 14.87 +18 51 17.6 u I93
2011-11-18 19:38:14 C 21 43 16.08 +18 50 06.2 u J95
2011-11-18 19:43:40 C 21 43 16.79 +18 49 26.6 u J95
2011-11-18 19:47:57 C 21 43 17.31 +18 48 55.2 u J95
2011-11-18 20:28:17 C 21 43 22.05 +18 44 03.3 t 204
2011-11-18 20:40:22 C 21 43 23.56 +18 42 35.3 t 204
2011-11-18 20:52:35 C 21 43 25.06 +18 41 06.3 t 204
2011-11-19 16:21:50 C 21 45 54.44 +16 19 02.9 u B18
2011-11-19 16:28:52 C 21 45 55.26 +16 18 10.3 u B18
2011-11-19 16:32:55 C 21 45 55.78 +16 17 40.9 u B18
2011-11-20 00:58:25 C 21 46 59.43 +15 16 25.9 o 807
2011-11-20 01:04:22 C 21 47 00.16 +15 15 42.4 o 807
2011-11-20 01:14:22 C 21 47 01.40 +15 14 29.1 o 807
2011-11-20 01:21:51 C 21 47 02.31 +15 13 34.1 o 807
2011-11-21 00:13:26 C 21 49 55.76 +12 25 39.1 o 807
2011-11-21 00:28:25 C 21 49 57.56 +12 23 49.2 o 807
2011-11-21 00:35:47 C 21 49 58.48 +12 22 54.7 o 807
2011-11-21 00:43:04 C 21 49 59.32 +12 22 01.2 o 807
2011-11-22 00:26:37 C 21 52 57.82 +09 27 45.7 o 807
2011-11-22 00:30:16 C 21 52 58.26 +09 27 18.7 o 807
2011-11-22 00:33:55 C 21 52 58.70 +09 26 52.2 o 807
2011-11-22 00:37:33 C 21 52 59.13 +09 26 25.7 o 807
2011-11-22 00:41:11 C 21 52 59.57 +09 25 59.0 o 807
2011-11-22 00:44:15 C 21 52 59.92 +09 25 36.3 o 807
2011-11-23 00:13:33 C 21 55 55.39 +06 34 00.7 o 807
2011-11-23 00:17:16 C 21 55 55.83 +06 33 33.5 o 807
2011-11-23 00:20:58 C 21 55 56.28 +06 33 06.8 o 807
2011-11-23 00:24:40 C 21 55 56.72 +06 32 40.2 o 807
2011-11-23 00:28:20 C 21 55 57.14 +06 32 13.4 o 807
2011-11-23 00:31:31 C 21 55 57.53 +06 31 50.1 o 807
2011-11-23 23:37:02 C 21 58 49.22 +03 44 23.8 o H21
2011-11-23 23:42:09 C 21 58 49.84 +03 43 47.1 o H21