2011 OA

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5205510658 ± 2.93e-08
Semi-major axis (a)2.1595156727 AU ± 1.12e-07
Inclination (i)9.15322982° ± 4.18e-06
Long. of Asc. Node (Ω)280.84259089° ± 3.81e-05
Arg. of Perihelion (ω)28.21269845° ± 4.62e-05
Mean Anomaly (M)184.17381499° ± 1.23e-04
Mean Motion (n)0.3105830394°/day ± 2.42e-08
Perihelion dist (q)1.03537749 AU ± 8.31e-08
Aphelion dist (Q)3.28365386 AU ± 1.82e-07
Orbital Period3.17347105 yr ± 2.48e-07
Physical Parameters
H (abs. magnitude)21.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.232″
Uncertainty0
Orbit TypeAmor
MOID0.045400 AU
Observations Used111
Oppositions2
Arc Total2011-2014
First Observation Used2011-07-19
Last Observation Used2014-07-31
Observations (112)
Date Type RA Dec Mag Band Observatory
2011-10-19 05:18:45 C 00 49 59.10 +36 51 12.0 o 291
2011-10-19 05:22:19 C 00 49 59.06 +36 51 07.7 o 291
2011-11-01 03:30:55 C 00 48 41.00 +31 15 11.6 r G96
2011-11-01 03:41:43 C 00 48 40.96 +31 15 00.5 r G96
2011-11-01 03:52:31 C 00 48 41.00 +31 14 50.3 r G96
2014-07-03 07:00:51 C 12 03 14.421 -10 16 17.00 t 568
2014-07-03 07:11:41 C 12 03 15.136 -10 16 17.82 t 568
2014-07-03 07:22:29 C 12 03 15.873 -10 16 18.75 t 568
2014-07-31 06:19:25 C 13 01 16.513 -12 20 57.63 t 568
2014-07-31 06:30:10 C 13 01 17.613 -12 21 00.47 t 568
2014-07-31 06:40:55 C 13 01 18.730 -12 21 03.37 t 568
2014-07-31 06:51:36 C 13 01 19.829 -12 21 05.96 t 568