2011 EP51

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3074999972 ± 8.28e-08
Semi-major axis (a)0.8290470651 AU ± 4.34e-09
Inclination (i)3.43063761° ± 2.84e-06
Long. of Asc. Node (Ω)159.41510406° ± 1.10e-05
Arg. of Perihelion (ω)170.30417222° ± 2.31e-05
Mean Anomaly (M)31.88830105° ± 3.19e-05
Mean Motion (n)1.3057002787°/day ± 1.02e-08
Perihelion dist (q)0.57411509 AU ± 6.87e-08
Aphelion dist (Q)1.08397904 AU ± 6.89e-08
Orbital Period0.75486411 yr ± 5.93e-09
NGA Modelr2
A2-3.25486758e-13 ± 7.47e-15 AU/d²
Physical Parameters
H (abs. magnitude)25.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.204″
Uncertainty0
Orbit TypeAten
MOID0.026269 AU
Observations Used316
Oppositions3
Arc Total2011-2020
First Observation Used2011-03-12
Last Observation Used2020-01-24
Observations (318)
Date Type RA Dec Mag Band Observatory
2017-02-05 01:07:21 C 09 39 29.85 -02 52 28.0 U K92
2017-02-05 01:10:39 C 09 39 28.63 -02 52 17.9 U K92
2017-02-06 21:54:19 C 09 24 29.41 -00 32 23.5 U K92
2017-02-06 21:57:38 C 09 24 28.20 -00 32 13.0 U K92
2017-02-06 22:00:56 C 09 24 27.04 -00 32 02.6 U K92
2017-02-06 22:04:15 C 09 24 25.85 -00 31 52.2 U K92
2017-02-06 22:07:36 C 09 24 24.65 -00 31 41.4 U K92
2017-02-06 22:10:54 C 09 24 23.46 -00 31 31.5 U K92
2017-02-07 00:54:15 C 09 23 25.06 -00 22 57.5 U K92
2017-02-07 00:57:31 C 09 23 23.90 -00 22 47.4 U K92
2017-02-07 01:00:49 C 09 23 22.70 -00 22 37.0 U K92
2017-02-07 01:04:05 C 09 23 21.55 -00 22 26.6 U K92
2017-02-07 01:07:22 C 09 23 20.40 -00 22 16.4 U K92
2017-02-07 01:10:38 C 09 23 19.24 -00 22 05.8 U K92
2017-02-24 08:17:40 C 07 35 16.288 +16 58 14.42 U T12
2017-02-24 08:20:19 C 07 35 15.781 +16 58 18.70 U T12
2020-01-24 05:26:49 C 07 00 26.03 -14 07 06.7 o 691
2020-01-24 05:35:19 C 07 00 23.18 -14 06 10.3 o 691