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
2018-10-10 11:38:53 C 07 54 19.27 +26 36 37.0 V G96
2019-05-01 11:21:33 C 15 20 38.437 -16 14 43.16 U F51
2019-05-01 11:37:26 C 15 20 36.620 -16 14 09.88 U F51
2019-05-01 11:53:16 C 15 20 34.798 -16 13 36.81 U F51
2019-05-01 12:09:07 C 15 20 32.976 -16 13 03.57 U F51
2019-05-07 09:49:39 C 15 05 20.915 -11 23 43.90 U F51
2019-05-07 10:28:44 C 15 05 16.810 -11 22 26.80 U F51
2019-05-07 10:46:50 C 15 05 14.911 -11 21 50.91 U F51
2019-05-09 08:45:17 C 15 00 38.252 -09 52 24.07 U F51
2019-05-09 09:03:12 C 15 00 36.437 -09 51 49.83 U F51
2019-05-09 09:21:10 C 15 00 34.629 -09 51 15.42 U F51
2019-05-11 10:33:15 C 14 55 50.209 -08 18 48.17 U F51
2019-05-11 10:54:04 C 14 55 48.197 -08 18 09.76 U F51
2019-05-11 11:14:59 C 14 55 46.182 -08 17 31.24 U F51
2019-05-11 11:35:51 C 14 55 44.164 -08 16 52.75 U F51