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
2011-04-06 19:24:10 C 09 25 41.85 +40 46 40.1 u 151
2011-04-06 19:28:21 C 09 25 41.08 +40 46 48.8 u 151
2011-04-07 04:47:23 C 09 24 04.45 +41 05 53.2 o H26
2011-04-07 04:49:58 C 09 24 03.98 +41 05 58.6 o H26
2011-04-07 04:52:30 C 09 24 03.51 +41 06 03.5 o H26
2011-04-07 04:55:00 C 09 24 03.06 +41 06 08.9 o H26
2011-04-08 20:33:19 C 09 16 56.52 +42 30 21.6 v 204
2011-04-08 20:43:02 C 09 16 54.53 +42 30 42.4 v 204
2011-04-09 02:49:10 C 09 15 44.58 +42 44 14.0 o H21
2011-04-09 02:58:04 C 09 15 42.71 +42 44 33.6 o H21
2011-04-09 03:02:19 C 09 15 41.80 +42 44 42.9 o H21
2011-04-09 03:06:43 C 09 15 40.90 +42 44 52.3 o H21
2011-04-09 03:11:06 C 09 15 39.97 +42 45 01.6 o H21
2011-04-09 20:38:18 C 09 12 12.05 +43 24 01.3 c A24
2011-04-09 20:55:08 C 09 12 08.36 +43 24 38.8 c A24
2011-04-09 21:05:28 C 09 12 06.08 +43 25 02.8 c A24
2011-04-09 21:19:35 C 09 12 02.97 +43 25 33.2 c A24
2011-04-09 21:29:54 C 09 12 00.65 +43 25 55.4 c A24
2011-04-10 03:57:48 C 09 10 40.61 +43 40 52.1 u H45
2011-04-10 03:59:00 C 09 10 40.28 +43 40 55.2 u H45
2011-04-10 04:03:43 C 09 10 39.30 +43 41 05.4 u H45
2011-04-10 04:05:02 C 09 10 38.95 +43 41 08.2 u H45
2011-04-10 04:06:52 C 09 10 38.55 +43 41 12.2 u H45
2011-04-10 04:08:32 C 09 10 38.17 +43 41 16.3 u H45
2011-04-10 20:57:11 C 09 07 02.49 +44 20 14.9 c A24
2011-04-10 21:14:15 C 09 06 58.48 +44 20 54.1 c A24
2011-04-10 21:24:42 C 09 06 56.01 +44 21 18.2 c A24
2011-04-10 21:39:00 C 09 06 52.67 +44 21 51.2 c A24
2011-04-10 21:49:26 C 09 06 50.20 +44 22 15.1 c A24
2011-04-10 22:06:30 C 09 06 46.19 +44 22 54.3 c A24
2011-04-13 02:07:43 C 08 54 11.32 +46 31 13.9 o H21
2011-04-13 02:15:36 C 08 54 09.05 +46 31 33.9 o H21
2011-04-13 02:22:03 C 08 54 07.19 +46 31 50.2 o H21
2011-04-13 02:27:16 C 08 54 05.70 +46 32 03.3 o H21
2011-04-16 22:05:01 C 08 24 18.39 +50 43 19.7 u B67
2011-04-16 22:24:06 C 08 24 10.72 +50 44 12.1 u B67
2011-04-16 22:43:27 C 08 24 02.87 +50 45 05.6 u B67
2011-04-17 02:21:23 C 08 22 37.69 +50 56 10.7 o H21
2011-04-17 02:25:25 C 08 22 35.94 +50 56 22.2 o H21
2011-04-17 02:29:28 C 08 22 34.21 +50 56 33.7 o H21
2011-04-17 02:34:03 C 08 22 32.26 +50 56 46.4 o H21
2011-04-17 02:37:28 C 08 22 30.83 +50 56 55.9 o H21
2011-04-17 20:37:34 C 08 14 53.24 +51 49 49.9 u 160
2011-04-17 20:43:15 C 08 14 50.69 +51 50 06.9 u 160
2011-04-17 20:47:52 C 08 14 48.55 +51 50 19.6 u 160
2011-04-18 19:51:22 C 08 04 00.21 +52 59 17.6 u 160
2011-04-18 19:54:10 C 08 03 58.76 +52 59 26.0 u 160
2011-04-18 19:57:22 C 08 03 57.10 +52 59 35.3 u 160
2011-04-19 20:09:43 C 07 51 06.20 +54 12 09.1 u 160
2011-04-19 20:12:40 C 07 51 04.46 +54 12 17.9 u 160