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 22:44:54 C 12 14 59.57 +21 36 35.7 r 143
2009-03-17 22:45:41 C 12 15 02.60 +21 35 37.6 w 970
2009-03-17 22:51:35 C 12 14 56.99 +21 38 23.5 r 143
2009-03-17 22:57:11 C 12 14 54.81 +21 39 54.4 r 143
2009-03-17 22:57:28 C 12 14 58.32 +21 38 48.9 w 970
2009-03-17 23:01:16 C 12 14 53.21 +21 41 00.7 r 143
2009-03-17 23:09:12 C 12 14 50.10 +21 43 09.7 r 143
2009-03-17 23:34:33 C 12 14 39.91 +21 49 28.3 r A17
2009-03-17 23:54:37 C 12 14 31.94 +21 54 50.4 o A74
2009-03-18 00:01:14 C 12 14 29.30 +21 56 40.0 o A74
2009-03-18 00:17:44 C 12 14 22.66 +22 01 14.7 o A74
2009-03-18 00:18:50 C 12 14 22.21 +22 01 33.2 o A74
2009-03-18 00:22:08 C 12 14 20.88 +22 02 28.3 o A74
2009-03-18 00:23:15 C 12 14 20.43 +22 02 46.8 o A74
2009-03-18 01:59:26 C 12 13 41.69 +22 30 00.0 o 510
2009-03-18 02:05:10 C 12 13 39.35 +22 31 40.4 o 510
2009-03-18 02:08:37 C 12 13 37.95 +22 32 40.4 o 510
2009-03-18 04:41:06 C 12 13 37.83 +23 23 53.3 r H45
2009-03-18 04:42:03 C 12 13 37.37 +23 24 12.6 r H45
2009-03-18 04:42:43 C 12 13 37.05 +23 24 26.0 r H45
2009-03-18 04:44:11 C 12 13 36.35 +23 24 56.2 r H45
2009-03-18 04:44:50 C 12 13 36.04 +23 25 09.4 r H45
2009-03-18 04:46:08 C 12 13 35.41 +23 25 35.9 r H45
2009-03-18 04:47:15 C 12 13 34.88 +23 25 58.8 r H45
2009-03-18 04:48:32 C 12 13 34.26 +23 26 24.9 r H45
2009-03-18 04:49:44 C 12 13 33.68 +23 26 49.5 r H45
2009-03-18 04:50:59 C 12 13 33.08 +23 27 15.0 r H45
2009-03-18 18:43:56 C 12 08 00.80 +29 35 15.4 r A17
2009-03-18 18:46:49 C 12 07 58.88 +29 37 05.3 r A17
2009-03-18 18:55:14 C 12 07 53.27 +29 42 25.8 r A17
2009-03-18 19:02:17 C 12 07 48.42 +29 46 56.7 r A17
2009-03-18 20:14:09 C 12 06 56.39 +30 33 08.4 w 970
2009-03-18 20:38:59 C 12 06 32.60 +30 52 56.5 c 595
2009-03-18 20:41:01 C 12 06 30.79 +30 54 20.8 c 595
2009-03-18 20:43:05 C 12 06 28.94 +30 55 47.2 c 595
2009-03-18 20:58:12 C 12 06 16.65 +31 04 26.8 c 127
2009-03-18 21:00:38 C 12 06 14.47 +31 06 09.7 c 127
2009-03-18 21:02:20 C 12 06 12.83 +31 07 21.8 c 127
2009-03-18 21:05:15 C 12 06 10.36 +31 09 23.8 c 127
2009-03-18 21:07:19 C 12 06 08.59 +31 10 51.8 c 127
2009-03-18 21:09:21 C 12 06 06.67 +31 12 17.8 c 127
2009-03-18 21:11:25 C 12 06 04.92 +31 13 45.5 c 127
2009-03-18 21:13:26 C 12 06 02.93 +31 15 13.5 c 127
2009-03-18 21:23:56 C 12 05 57.41 +31 21 56.9 w 970
2009-03-18 22:45:39 C 12 04 37.12 +32 22 33.7 w 970
2009-03-18 23:43:25 C 12 03 41.34 +33 11 35.2 r J27
2009-03-18 23:52:12 C 12 03 30.63 +33 18 41.2 r J27
2009-03-19 00:05:31 C 12 03 14.28 +33 29 31.9 r J27
2009-03-19 01:41:18 C 12 01 09.28 +34 46 30.4 r J95
2009-03-19 01:44:24 C 12 01 05.17 +34 49 13.4 r J95
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)