2009 DO111

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2814928808 ± 9.88e-09
Semi-major axis (a)1.0509672589 AU ± 1.07e-09
Inclination (i)2.97890087° ± 1.81e-06
Long. of Asc. Node (Ω)1.90072244° ± 2.84e-06
Arg. of Perihelion (ω)273.51387939° ± 3.06e-06
Mean Anomaly (M)113.57623757° ± 3.07e-06
Mean Motion (n)0.9148049298°/day ± 1.40e-09
Perihelion dist (q)0.75512746 AU ± 1.04e-08
Aphelion dist (Q)1.34680706 AU ± 1.05e-08
Orbital Period1.07741689 yr ± 1.65e-09
Physical Parameters
H (abs. magnitude)22.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.262″
Uncertainty0
Orbit TypeApollo
MOID0.002034 AU
Observations Used302
Radar Obs Used1
Oppositions1
Arc Total2009-2025
First Observation Used2009-02-22
Last Observation Used2025-11-23
Observations (321)
Date Type RA Dec Mag Band Observatory
2009-03-17 00:49:01 C 12 18 20.59 +17 24 54.0 v 204
2009-03-17 00:50:00 C 12 18 20.37 +17 25 02.1 v 204
2009-03-17 00:51:01 C 12 18 20.13 +17 25 10.3 v 204
2009-03-17 00:52:00 C 12 18 19.91 +17 25 18.5 v 204
2009-03-17 00:53:01 C 12 18 19.69 +17 25 26.7 v 204
2009-03-17 02:11:22 C 12 18 07.25 +17 35 38.4 r J95
2009-03-17 02:34:38 C 12 18 02.21 +17 38 54.4 r J95
2009-03-17 06:46:16 C 12 17 41.19 +18 19 57.5 r H45
2009-03-17 06:47:44 C 12 17 40.78 +18 20 11.7 r H45
2009-03-17 06:48:56 C 12 17 40.44 +18 20 23.6 r H45
2009-03-17 06:51:09 C 12 17 39.81 +18 20 45.1 r H45
2009-03-17 06:52:00 C 12 17 39.57 +18 20 53.4 r H45
2009-03-17 06:53:16 C 12 17 39.21 +18 21 05.6 r H45
2009-03-17 06:55:01 C 12 17 38.72 +18 21 22.7 r H45
2009-03-17 06:56:19 C 12 17 38.36 +18 21 35.4 r H45
2009-03-17 06:57:35 C 12 17 37.99 +18 21 47.9 r H45
2009-03-17 06:58:31 C 12 17 37.73 +18 21 56.8 r H45
2009-03-17 09:25:11 C 12 16 55.72 +18 45 17.9 o H55
2009-03-17 09:31:38 C 12 16 54.07 +18 46 22.3 o H55
2009-03-17 09:34:26 C 12 16 53.37 +18 46 50.3 o H55
2009-03-17 09:59:09 C 12 16 55.61 +18 52 52.1 o 291
2009-03-17 10:04:48 C 12 16 53.98 +18 53 50.7 o 291
2009-03-17 10:10:27 C 12 16 52.36 +18 54 48.4 o 291
2009-03-17 15:45:47 C 12 16 12.94 +19 59 45.0 r 900
2009-03-17 15:49:33 C 12 16 11.66 +20 00 32.0 r 900
2009-03-17 20:35:19 C 12 15 44.46 +21 01 23.6 w 970
2009-03-17 20:58:33 C 12 15 36.88 +21 07 29.3 o B84
2009-03-17 20:59:09 C 12 15 36.70 +21 07 38.7 o B84
2009-03-17 20:59:46 C 12 15 36.51 +21 07 48.1 o B84
2009-03-17 21:04:05 C 12 15 36.17 +21 08 46.5 w 970
2009-03-17 21:09:19 C 12 15 32.47 +21 10 47.5 r A17
2009-03-17 21:31:38 C 12 15 27.67 +21 15 56.8 w 970
2009-03-17 21:41:12 C 12 15 24.63 +21 18 27.1 w 970
2009-03-17 21:50:49 C 12 15 20.25 +21 21 05.9 o B84
2009-03-17 21:51:15 C 12 15 20.10 +21 21 13.0 o B84
2009-03-17 21:51:42 C 12 15 19.96 +21 21 19.9 o B84
2009-03-17 21:52:09 C 12 15 19.82 +21 21 26.8 o B84
2009-03-17 21:56:28 C 12 15 18.35 +21 22 35.6 o B84
2009-03-17 21:56:55 C 12 15 18.21 +21 22 42.5 o B84
2009-03-17 22:10:38 C 12 15 14.86 +21 26 14.1 w 970
2009-03-17 22:11:59 C 12 15 11.08 +21 27 12.9 r A17
2009-03-17 22:25:54 C 12 15 07.70 +21 31 22.6 r A13
2009-03-17 22:29:59 C 12 15 06.19 +21 32 28.1 r A13
2009-03-17 22:31:24 C 12 15 05.65 +21 32 51.0 r A13
2009-03-17 22:32:50 C 12 15 05.12 +21 33 14.0 r A13
2009-03-17 22:33:15 C 12 15 04.01 +21 33 27.9 r 143
2009-03-17 22:34:16 C 12 15 04.56 +21 33 37.1 r A13
2009-03-17 22:35:57 C 12 15 03.94 +21 34 04.4 r A13
2009-03-17 22:37:28 C 12 15 03.37 +21 34 28.6 r A13
2009-03-17 22:39:03 C 12 15 01.80 +21 35 01.4 r 143
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-03-21 00:40:00 -440211.62 20 Hz 8560 -13 -14
Station codes
-14 DSS-14 Goldstone (70-m) -13 DSS-13 Goldstone (34-m)