2011 OB57

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2423531569 ± 1.66e-04
Semi-major axis (a)0.9506760499 AU ± 2.67e-06
Inclination (i)4.91385978° ± 3.95e-03
Long. of Asc. Node (Ω)296.05495092° ± 1.86e-03
Arg. of Perihelion (ω)223.73674355° ± 1.74e-03
Mean Anomaly (M)281.51603373° ± 5.72e-02
Mean Motion (n)1.0633186878°/day ± 4.49e-06
Perihelion dist (q)0.72027671 AU ± 1.58e-04
Aphelion dist (Q)1.18107539 AU ± 1.58e-04
Orbital Period0.92693404 yr ± 3.91e-06
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.148″
Uncertainty2
Orbit TypeAten
MOID0.023212 AU
Observations Used12
Oppositions1
Arc Total2011-2011
First Observation Used2011-07-22
Last Observation Used2011-08-19
Observations (12)
Date Type RA Dec Mag Band Observatory
2011-07-22 10:24:47 C 21 01 36.201 -12 30 06.47 t F51
2011-07-22 10:40:09 C 21 01 30.744 -12 29 58.91 t F51
2011-07-22 10:57:31 C 21 01 24.570 -12 29 50.50 t F51
2011-07-22 11:14:21 C 21 01 18.598 -12 29 42.06 t F51
2011-07-25 10:36:26 C 20 39 27.277 -11 54 33.97 t F51
2011-07-25 10:58:26 C 20 39 20.450 -11 54 23.31 t F51
2011-07-25 11:20:17 C 20 39 13.621 -11 54 12.87 t F51
2011-07-25 11:42:09 C 20 39 06.866 -11 54 02.14 t F51
2011-07-26 10:08:40 C 20 32 54.838 -11 43 29.40 t F51
2011-07-26 10:22:45 C 20 32 50.669 -11 43 22.96 t F51
2011-08-19 07:13:27 C 19 14 05.645 -09 27 18.14 o 568
2011-08-19 07:23:52 C 19 14 05.062 -09 27 17.44 o 568