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
2011-03-08 09:52:20 C 10 35 34.93 +23 38 32.7 o 291
2011-03-08 22:33:08 C 10 34 49.93 +23 52 15.5 r 203
2011-03-09 00:26:55 C 10 34 42.27 +23 54 18.8 r 203
2011-03-09 06:27:17 C 10 34 20.63 +24 01 00.7 19.1 c 704
2011-03-09 06:43:45 C 10 34 19.47 +24 01 18.1 19.5 c 704
2011-03-09 07:00:06 C 10 34 18.33 +24 01 35.8 19.6 c 704
2011-03-09 07:16:26 C 10 34 17.25 +24 01 54.3 19.4 c 704
2011-03-09 07:32:38 C 10 34 16.11 +24 02 12.3 19.4 c 704
2011-03-09 09:33:49 C 10 34 07.87 +24 04 24.0 o 291
2011-03-09 09:41:14 C 10 34 07.37 +24 04 31.8 o 291
2011-03-09 09:46:54 C 10 34 06.98 +24 04 38.0 o 291
2011-03-12 07:17:15 C 10 29 34.57 +25 23 23.3 u H45
2011-03-12 07:19:37 C 10 29 34.40 +25 23 26.0 u H45
2011-03-12 07:23:43 C 10 29 34.05 +25 23 30.9 u H45
2011-03-12 07:26:19 C 10 29 33.91 +25 23 33.5 u H45
2011-03-12 07:29:10 C 10 29 33.67 +25 23 36.6 u H45
2011-03-12 07:31:55 C 10 29 33.46 +25 23 40.3 u H45
2011-03-14 04:59:45 C 10 26 22.66 +26 17 33.6 r 703
2011-03-14 05:12:49 C 10 26 21.62 +26 17 50.3 r 703
2011-03-14 05:25:53 C 10 26 20.61 +26 18 06.6 r 703
2011-03-17 04:54:36 C 10 20 55.14 +27 46 30.7 o H21
2011-03-17 05:01:12 C 10 20 54.54 +27 46 38.6 o H21
2011-03-17 05:07:05 C 10 20 54.03 +27 46 46.0 o H21
2011-03-17 05:09:27 C 10 20 53.81 +27 46 49.1 o H21
2011-03-23 19:20:03 C 10 07 10.77 +31 20 01.9 r A17
2011-03-23 19:32:16 C 10 07 09.52 +31 20 19.7 r A17
2011-03-23 19:44:30 C 10 07 08.29 +31 20 37.5 r A17
2011-03-24 19:44:19 C 10 04 48.90 +31 55 23.9 u A78
2011-03-24 19:59:07 C 10 04 47.30 +31 55 45.8 u A78
2011-03-24 20:13:26 C 10 04 45.77 +31 56 07.3 u A78
2011-03-24 20:26:18 C 10 04 44.40 +31 56 26.2 u A78
2011-03-27 01:26:22 C 09 59 21.14 +33 16 19.8 o 807
2011-03-27 01:27:47 C 09 59 20.98 +33 16 22.3 o 807
2011-03-27 02:38:36 C 09 59 12.68 +33 18 11.0 o 807
2011-03-27 02:44:07 C 09 59 12.04 +33 18 19.5 o 807
2011-03-27 02:49:26 C 09 59 11.41 +33 18 27.5 o 807
2011-03-27 03:29:32 C 09 59 08.52 +33 18 52.7 r 703
2011-03-27 03:39:16 C 09 59 07.36 +33 19 08.8 r 703
2011-03-27 03:49:06 C 09 59 06.28 +33 19 24.5 r 703
2011-03-27 05:43:04 C 09 58 52.70 +33 22 18.1 u 448
2011-03-27 05:48:44 C 09 58 52.04 +33 22 26.9 u 448
2011-03-27 05:54:27 C 09 58 51.39 +33 22 35.3 u 448
2011-03-27 06:00:06 C 09 58 50.72 +33 22 44.0 u 448
2011-03-27 06:06:36 C 09 58 49.95 +33 22 53.5 u 448
2011-03-28 02:42:27 C 09 56 38.59 +33 54 40.2 o H26
2011-03-28 02:47:49 C 09 56 37.94 +33 54 49.2 o H26
2011-03-28 02:50:20 C 09 56 37.64 +33 54 53.1 o H26
2011-03-28 02:52:48 C 09 56 37.37 +33 54 57.2 o H26
2011-03-28 02:55:20 C 09 56 37.06 +33 55 01.3 o H26
2011-03-28 02:57:53 C 09 56 36.77 +33 55 05.0 o H26