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
2011-03-28 20:31:25 C 09 54 40.17 +34 22 39.0 r 113
2011-03-28 20:44:46 C 09 54 38.55 +34 23 00.1 r 113
2011-03-28 20:58:08 C 09 54 36.93 +34 23 21.4 r 113
2011-03-29 00:18:19 C 09 54 15.91 +34 28 44.2 u I15
2011-03-29 00:26:47 C 09 54 14.90 +34 28 58.3 u I15
2011-03-29 00:33:06 C 09 54 14.09 +34 29 08.4 u I15
2011-03-29 21:16:37 C 09 51 50.60 +35 02 27.4 o 046
2011-03-29 21:19:46 C 09 51 50.23 +35 02 32.2 o 046
2011-03-29 21:21:11 C 09 51 50.03 +35 02 34.4 o 046
2011-03-29 21:22:36 C 09 51 49.86 +35 02 36.8 o 046
2011-03-29 21:24:03 C 09 51 49.69 +35 02 39.3 o 046
2011-03-29 21:27:07 C 09 51 49.33 +35 02 44.0 o 046
2011-03-31 21:28:26 C 09 46 03.19 +36 22 52.1 o J87
2011-03-31 21:40:19 C 09 46 01.56 +36 23 12.5 o J87
2011-03-31 21:52:11 C 09 45 59.92 +36 23 32.6 o J87
2011-04-01 02:21:16 C 09 45 27.99 +36 31 17.0 u 448
2011-04-01 02:28:00 C 09 45 27.04 +36 31 29.1 u 448
2011-04-01 02:32:38 C 09 45 26.40 +36 31 36.9 u 448
2011-04-01 02:37:45 C 09 45 25.71 +36 31 46.3 u 448
2011-04-01 02:42:22 C 09 45 25.07 +36 31 54.1 u 448
2011-04-02 19:17:10 C 09 40 06.27 +37 43 01.6 u 151
2011-04-02 19:18:50 C 09 40 06.04 +37 43 04.4 u 151
2011-04-02 19:20:31 C 09 40 05.81 +37 43 07.2 u 151
2011-04-02 19:22:11 C 09 40 05.55 +37 43 10.4 u 151
2011-04-02 19:23:52 C 09 40 05.32 +37 43 13.3 u 151
2011-04-02 19:25:33 C 09 40 05.05 +37 43 16.4 u 151
2011-04-02 19:27:13 C 09 40 04.80 +37 43 19.6 u 151
2011-04-02 20:37:25 C 09 39 54.27 +37 45 25.5 o 046
2011-04-02 20:39:04 C 09 39 54.00 +37 45 28.6 o 046
2011-04-02 20:40:28 C 09 39 53.80 +37 45 30.4 o 046
2011-04-02 20:44:38 C 09 39 53.20 +37 45 38.4 o 046
2011-04-02 20:46:03 C 09 39 52.97 +37 45 41.2 o 046
2011-04-02 20:47:27 C 09 39 52.75 +37 45 43.6 o 046
2011-04-02 21:14:24 C 09 39 48.78 +37 46 36.9 u A81
2011-04-02 21:24:59 C 09 39 47.18 +37 46 55.7 u A81
2011-04-02 21:29:16 C 09 39 46.68 +37 46 56.3 u 113
2011-04-02 21:32:47 C 09 39 46.19 +37 47 02.3 u 113
2011-04-02 21:35:34 C 09 39 45.63 +37 47 14.0 u A81
2011-04-02 21:36:18 C 09 39 45.68 +37 47 08.6 u 113
2011-04-03 18:46:51 C 09 36 51.08 +38 25 54.3 u A78
2011-04-03 18:54:26 C 09 36 49.92 +38 26 08.8 u A78
2011-04-03 19:03:25 C 09 36 48.51 +38 26 25.4 u A78
2011-04-03 19:10:18 C 09 36 47.47 +38 26 38.2 u A78
2011-04-05 20:37:26 C 09 29 22.47 +40 01 04.2 c A24
2011-04-05 20:54:03 C 09 29 19.63 +40 01 36.6 c A24
2011-04-05 20:59:55 C 09 29 18.65 +40 01 47.6 c A24
2011-04-05 21:22:25 C 09 29 14.78 +40 02 31.7 c A24
2011-04-05 21:28:18 C 09 29 13.80 +40 02 42.6 c A24
2011-04-05 21:44:54 C 09 29 10.93 +40 03 15.4 c A24
2011-04-06 19:19:58 C 09 25 42.61 +40 46 31.4 u 151