2011 DS9

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6422812188 ± 3.33e-08
Semi-major axis (a)2.6219099541 AU ± 1.57e-07
Inclination (i)3.69689921° ± 2.03e-06
Long. of Asc. Node (Ω)93.34434396° ± 6.43e-05
Arg. of Perihelion (ω)146.25814735° ± 6.17e-05
Mean Anomaly (M)152.41430502° ± 1.06e-04
Mean Motion (n)0.2321590498°/day ± 2.09e-08
Perihelion dist (q)0.93790643 AU ± 1.04e-07
Aphelion dist (Q)4.30591347 AU ± 2.72e-07
Orbital Period4.24547862 yr ± 3.82e-07
Physical Parameters
H (abs. magnitude)20.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.288″
Uncertainty0
Orbit TypeApollo
MOID0.003599 AU
Observations Used256
Oppositions3
Arc Total2011-2015
First Observation Used2011-02-25
Last Observation Used2015-01-16
Observations (270)
Date Type RA Dec Mag Band Observatory
2011-02-25 22:16:18 C 10 47 57.28 +19 36 10.9 r J75
2011-02-25 22:32:30 C 10 47 56.60 +19 36 24.1 r J75
2011-02-25 22:48:44 C 10 47 55.86 +19 36 38.3 r J75
2011-02-26 02:56:03 C 10 47 45.18 +19 40 03.7 r 203
2011-02-26 03:21:49 C 10 47 44.02 +19 40 25.4 r 203
2011-02-26 06:31:21 C 10 47 38.04 +19 43 12.8 r G96
2011-02-26 06:41:59 C 10 47 37.57 +19 43 22.0 r G96
2011-02-26 06:52:44 C 10 47 37.10 +19 43 31.2 r G96
2011-02-26 07:03:31 C 10 47 36.60 +19 43 40.5 r G96
2011-02-26 09:12:31 C 10 47 30.91 +19 45 30.7 r 703
2011-02-26 09:23:12 C 10 47 30.40 +19 45 39.6 r 703
2011-02-26 09:34:01 C 10 47 29.97 +19 45 48.7 r 703
2011-02-26 09:44:49 C 10 47 29.50 +19 45 57.1 r 703
2011-02-26 11:52:29 C 10 47 25.50 +19 48 09.9 o 474
2011-02-26 11:57:00 C 10 47 25.25 +19 48 14.5 o 474
2011-02-26 12:03:19 C 10 47 24.97 +19 48 20.0 o 474
2011-02-26 19:37:13 C 10 47 07.56 +19 54 17.8 r 113
2011-02-26 20:00:17 C 10 47 06.65 +19 54 39.0 r 113
2011-02-26 20:21:41 C 10 47 05.72 +19 54 57.5 r 113
2011-02-27 10:17:43 C 10 46 31.38 +20 07 18.4 L F65
2011-02-27 10:20:55 C 10 46 31.23 +20 07 21.0 L F65
2011-02-27 10:24:09 C 10 46 31.07 +20 07 24.0 L F65
2011-02-27 10:27:21 C 10 46 30.92 +20 07 26.7 L F65
2011-02-27 13:29:40 C 10 46 23.15 +20 10 27.4 o 474
2011-02-27 13:32:50 C 10 46 23.00 +20 10 29.8 o 474
2011-02-27 13:35:30 C 10 46 22.87 +20 10 32.6 o 474
2011-02-28 20:45:08 C 10 45 03.84 +20 37 56.0 u A74
2011-02-28 21:07:41 C 10 45 02.76 +20 38 16.8 u A74
2011-02-28 21:31:16 C 10 45 01.64 +20 38 38.9 u A74
2011-03-01 06:25:50 C 10 44 37.87 +20 46 53.1 o G56
2011-03-01 06:36:06 C 10 44 37.05 +20 47 04.8 o H01
2011-03-01 06:39:05 C 10 44 37.23 +20 47 05.4 o G56
2011-03-01 06:46:50 C 10 44 36.51 +20 47 14.7 o H01
2011-03-01 06:54:52 C 10 44 36.40 +20 47 20.5 o G56
2011-03-01 06:57:18 C 10 44 35.56 +20 47 21.9 r H21
2011-03-01 06:59:42 C 10 44 35.43 +20 47 24.4 o H21
2011-03-01 07:00:38 C 10 44 35.81 +20 47 27.5 o H01
2011-03-01 07:01:59 C 10 44 35.32 +20 47 26.1 r H21
2011-03-01 07:06:40 C 10 44 35.08 +20 47 30.4 r H21
2011-03-01 07:07:01 C 10 44 35.44 +20 47 34.4 c 711
2011-03-01 07:09:33 C 10 44 35.35 +20 47 35.7 o H01
2011-03-01 07:15:36 C 10 44 34.99 +20 47 42.7 c 711
2011-03-01 07:24:12 C 10 44 34.54 +20 47 50.4 c 711
2011-03-01 09:57:52 C 10 44 26.79 +20 50 09.2 r H10
2011-03-01 10:00:30 C 10 44 26.74 +20 50 10.9 r H10
2011-03-01 10:36:33 C 10 44 24.92 +20 50 43.5 r H10
2011-03-02 02:52:23 C 10 43 41.61 +21 05 52.7 u I15
2011-03-02 03:01:44 C 10 43 41.10 +21 06 01.4 u I15
2011-03-02 03:11:05 C 10 43 40.62 +21 06 10.4 u I15
2011-03-02 05:26:38 C 10 43 34.35 +21 08 21.7 r 703