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
2011-07-19 08:11:35 C 22 29 53.31 +38 30 50.6 17.5 c 704
2011-07-19 08:27:17 C 22 29 59.72 +38 32 10.4 17.8 c 704
2011-07-19 08:43:11 C 22 30 06.18 +38 33 31.2 18.5 c 704
2011-07-19 22:09:29 C 22 36 02.58 +39 37 22.7 c B49
2011-07-19 22:24:26 C 22 36 08.90 +39 38 36.1 c B49
2011-07-20 06:46:45 C 22 39 42.70 +40 16 36.9 18.2 r 718
2011-07-20 06:58:01 C 22 39 47.19 +40 17 28.9 18.0 r 718
2011-07-20 07:08:39 C 22 39 51.47 +40 18 17.8 18.1 r 718
2011-07-20 07:18:36 C 22 39 55.44 +40 19 03.5 18.0 r 718
2011-07-20 08:45:21 C 22 40 35.34 +40 25 36.8 o F65
2011-07-20 08:46:14 C 22 40 35.65 +40 25 40.6 o F65
2011-07-20 08:47:04 C 22 40 36.02 +40 25 44.9 o F65
2011-07-20 08:48:00 C 22 40 36.38 +40 25 48.8 o F65
2011-07-20 08:48:57 C 22 40 36.77 +40 25 53.3 o F65
2011-07-20 08:49:48 C 22 40 37.12 +40 25 57.4 o F65
2011-07-20 08:50:44 C 22 40 37.53 +40 26 02.0 o F65
2011-07-20 08:51:38 C 22 40 37.87 +40 26 06.0 o F65
2011-07-20 08:52:29 C 22 40 38.23 +40 26 09.8 o F65
2011-07-20 09:09:44 C 22 40 38.63 +40 27 41.4 c H06
2011-07-20 09:12:24 C 22 40 39.65 +40 27 53.1 c H06
2011-07-20 09:15:04 C 22 40 40.67 +40 28 05.0 c H06
2011-07-20 09:56:05 C 22 40 56.60 +40 31 02.5 18.1 c 704
2011-07-20 10:11:21 C 22 41 02.48 +40 32 08.9 18.6 c 704
2011-07-20 10:26:15 C 22 41 08.30 +40 33 12.9 18.4 c 704
2011-07-20 10:41:07 C 22 41 13.99 +40 34 16.4 18.3 c 704
2011-07-20 10:55:59 C 22 41 19.69 +40 35 19.2 18.4 c 704
2011-07-20 21:32:35 C 22 45 52.74 +41 18 53.7 v 204
2011-07-20 21:36:49 C 22 45 54.45 +41 19 11.6 v 204
2011-07-20 21:38:16 C 22 45 54.78 +41 19 22.2 u 595
2011-07-20 21:41:03 C 22 45 56.15 +41 19 29.7 v 204
2011-07-20 21:45:17 C 22 45 57.83 +41 19 47.9 v 204
2011-07-20 21:47:07 C 22 45 58.30 +41 19 59.2 u 595
2011-07-20 21:50:22 C 22 45 59.89 +41 20 09.3 v 204
2011-07-20 22:01:37 C 22 46 04.09 +41 21 01.0 u 595
2011-07-20 22:30:46 C 22 46 15.81 +41 22 46.5 u J95
2011-07-20 22:34:46 C 22 46 17.42 +41 23 03.3 u J95
2011-07-20 22:38:55 C 22 46 19.06 +41 23 20.7 u J95
2011-07-20 23:47:55 C 22 46 45.97 +41 28 26.3 c A24
2011-07-20 23:49:19 C 22 46 46.53 +41 28 32.3 c A24
2011-07-20 23:50:45 C 22 46 47.05 +41 28 37.8 c A24
2011-07-20 23:52:09 C 22 46 47.62 +41 28 43.9 c A24
2011-07-21 22:49:28 C 22 55 58.74 +42 54 55.9 u J95
2011-07-21 22:52:33 C 22 55 59.91 +42 55 07.5 u J95
2011-07-21 22:55:43 C 22 56 01.08 +42 55 19.1 u J95
2011-07-22 06:54:11 C 22 59 04.10 +43 23 32.7 t H21
2011-07-22 06:58:26 C 22 59 05.60 +43 23 47.6 t H21
2011-07-22 07:02:41 C 22 59 07.10 +43 24 02.5 t H21
2011-07-22 07:06:56 C 22 59 08.60 +43 24 17.3 t H21
2011-07-22 07:11:11 C 22 59 10.10 +43 24 32.1 t H21
2011-07-23 07:50:32 C 23 08 19.23 +44 42 25.4 o H21