2011 OD18

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5305771495 ± 1.19e-05
Semi-major axis (a)2.0534275472 AU ± 4.59e-05
Inclination (i)4.34608786° ± 1.25e-04
Long. of Asc. Node (Ω)303.83614345° ± 1.01e-03
Arg. of Perihelion (ω)333.00468359° ± 1.01e-03
Mean Anomaly (M)316.12858309° ± 6.14e-02
Mean Motion (n)0.3349601947°/day ± 1.12e-05
Perihelion dist (q)0.96392581 AU ± 3.26e-05
Aphelion dist (Q)3.14292928 AU ± 7.43e-05
Orbital Period2.94251765 yr ± 9.86e-05
Physical Parameters
H (abs. magnitude)26.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.225″
Uncertainty2
Orbit TypeApollo
MOID0.005959 AU
Observations Used28
Oppositions1
Arc Total2011-2011
First Observation Used2011-07-31
Last Observation Used2011-08-08
Observations (30)
Date Type RA Dec Mag Band Observatory
2011-07-31 01:22:06 C 23 10 01.99 +15 07 50.0 r J75
2011-07-31 01:36:42 C 23 09 57.20 +15 07 06.0 r J75
2011-07-31 01:51:17 C 23 09 52.28 +15 06 19.5 r J75
2011-07-31 02:10:53 C 23 09 45.87 +15 05 20.1 r J75
2011-07-31 02:42:08 C 23 09 34.29 +15 02 42.2 v I93
2011-07-31 02:49:55 C 23 09 31.87 +15 02 17.8 v I93
2011-07-31 03:05:53 C 23 09 26.90 +15 01 27.9 v I93
2011-07-31 03:13:39 C 23 09 24.51 +15 01 03.1 v I93
2011-07-31 03:33:44 C 23 09 18.88 +15 01 00.8 r J75
2011-07-31 03:38:11 C 23 09 17.53 +15 00 46.8 r J75
2011-08-01 08:14:14 C 23 05 45.32 +13 58 42.5 o H21
2011-08-01 08:21:18 C 23 05 44.00 +13 58 31.6 o H21
2011-08-01 08:28:21 C 23 05 42.69 +13 58 20.8 o H21
2011-08-02 07:36:43 C 23 04 02.91 +13 29 12.5 o H21
2011-08-02 07:44:22 C 23 04 01.84 +13 29 05.2 o H21
2011-08-02 07:52:15 C 23 04 00.78 +13 28 56.7 o H21
2011-08-02 07:59:51 C 23 03 59.72 +13 28 49.5 o H21
2011-08-02 10:37:14 C 23 04 00.25 +13 27 40.0 o F65
2011-08-02 10:38:58 C 23 04 00.03 +13 27 38.6 o F65
2011-08-02 10:40:38 C 23 03 59.81 +13 27 37.3 o F65
2011-08-02 10:42:21 C 23 03 59.56 +13 27 35.9 o F65
2011-08-02 10:44:04 C 23 03 59.33 +13 27 34.5 o F65
2011-08-02 10:45:48 C 23 03 59.10 +13 27 33.0 o F65
2011-08-02 10:47:32 C 23 03 58.83 +13 27 31.6 o F65
2011-08-02 10:49:13 C 23 03 58.61 +13 27 30.2 o F65
2011-08-06 07:14:13 C 23 00 24.94 +12 28 49.9 t H21
2011-08-06 07:24:10 C 23 00 24.15 +12 28 46.1 t H21
2011-08-08 07:07:48 C 22 59 19.08 +12 10 51.8 o H21
2011-08-08 07:33:02 C 22 59 17.73 +12 10 43.3 o H21
2011-08-08 07:57:40 C 22 59 16.34 +12 10 34.9 o H21