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
2011-03-02 05:36:31 C 10 43 33.99 +21 08 31.7 r 703
2011-03-02 05:46:30 C 10 43 33.45 +21 08 40.3 r 703
2011-03-02 07:19:12 C 10 43 28.13 +21 10 05.5 u H45
2011-03-02 07:43:52 C 10 43 26.80 +21 10 29.6 u H45
2011-03-02 07:48:22 C 10 43 26.58 +21 10 34.2 u H45
2011-03-02 07:50:54 C 10 43 26.45 +21 10 36.5 u H45
2011-03-02 07:53:10 C 10 43 26.28 +21 10 38.3 u H45
2011-03-02 07:55:40 C 10 43 26.15 +21 10 40.8 u H45
2011-03-02 07:58:30 C 10 43 26.02 +21 10 43.5 u H45
2011-03-02 08:12:04 C 10 43 25.23 +21 10 54.4 o H21
2011-03-02 08:18:38 C 10 43 24.88 +21 11 00.7 o H21
2011-03-02 08:24:57 C 10 43 24.53 +21 11 06.8 o H21
2011-03-02 10:22:58 C 10 43 18.73 +21 12 58.4 r H10
2011-03-02 10:45:24 C 10 43 17.59 +21 13 19.9 r H10
2011-03-03 05:32:40 C 10 42 24.86 +21 31 20.9 o 695
2011-03-03 05:38:03 C 10 42 24.58 +21 31 26.3 o 695
2011-03-03 05:47:17 C 10 42 24.08 +21 31 35.4 o 695
2011-03-03 06:00:27 C 10 42 22.76 +21 31 45.8 o H21
2011-03-03 06:03:33 C 10 42 22.59 +21 31 48.9 o H21
2011-03-03 06:06:47 C 10 42 22.42 +21 31 51.8 o H21
2011-03-03 06:09:54 C 10 42 22.24 +21 31 54.7 o H21
2011-03-03 11:11:16 C 10 42 06.24 +21 36 46.2 o 291
2011-03-03 11:17:21 C 10 42 05.90 +21 36 51.8 o 291
2011-03-04 10:03:44 C 10 40 56.88 +21 59 14.9 o 291
2011-03-04 10:09:21 C 10 40 56.57 +21 59 20.4 o 291
2011-03-04 10:15:13 C 10 40 56.23 +21 59 26.0 o 291
2011-03-04 18:56:16 C 10 40 31.12 +22 07 56.5 r A17
2011-03-04 19:25:28 C 10 40 29.53 +22 08 26.8 r A17
2011-03-04 19:55:06 C 10 40 27.89 +22 08 57.1 u A74
2011-03-04 19:56:03 C 10 40 27.83 +22 08 57.7 r A17
2011-03-04 20:10:34 C 10 40 27.02 +22 09 12.9 u A74
2011-03-04 20:26:01 C 10 40 26.17 +22 09 28.7 u A74
2011-03-05 04:56:59 C 10 39 59.04 +22 18 09.5 o H01
2011-03-05 05:12:42 C 10 39 58.09 +22 18 25.5 o H01
2011-03-05 05:19:41 C 10 39 57.70 +22 18 32.6 o H01
2011-03-05 05:28:28 C 10 39 57.19 +22 18 41.2 o H01
2011-03-05 08:38:24 C 10 39 45.88 +22 21 54.5 o 291
2011-03-05 08:44:15 C 10 39 45.54 +22 22 00.2 o 291
2011-03-05 08:49:53 C 10 39 45.20 +22 22 06.0 o 291
2011-03-05 21:56:37 C 10 39 03.45 +22 35 22.6 v 204
2011-03-05 22:07:42 C 10 39 02.80 +22 35 34.1 v 204
2011-03-05 22:18:46 C 10 39 02.13 +22 35 45.5 v 204
2011-03-06 09:55:58 C 10 38 22.16 +22 47 48.2 o 291
2011-03-06 10:01:41 C 10 38 21.81 +22 47 54.1 o 291
2011-03-06 10:07:23 C 10 38 21.46 +22 47 59.9 o 291
2011-03-06 22:21:38 C 10 37 41.25 +23 00 40.0 r A17
2011-03-06 22:38:28 C 10 37 40.19 +23 00 57.8 r A17
2011-03-06 22:55:20 C 10 37 39.16 +23 01 15.4 r A17
2011-03-08 09:36:06 C 10 35 35.99 +23 38 15.5 o 291
2011-03-08 09:46:17 C 10 35 35.33 +23 38 26.3 o 291