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
2009-03-19 21:57:41 C 10 19 30.30 +70 52 43.5 c 127
2009-03-19 21:58:20 C 10 19 13.59 +70 54 34.5 c 127
2009-03-19 21:59:00 C 10 18 56.88 +70 56 26.7 c 127
2009-03-19 21:59:41 C 10 18 39.72 +70 58 19.6 c 127
2009-03-19 22:00:21 C 10 18 22.71 +71 00 11.8 c 127
2009-03-19 22:01:00 C 10 18 05.61 +71 02 04.1 c 127
2009-03-19 22:01:41 C 10 17 48.41 +71 03 55.9 c 127
2009-03-19 22:02:21 C 10 17 31.21 +71 05 48.3 c 127
2009-03-19 22:11:38 C 10 14 20.98 +71 31 35.2 o J77
2009-03-19 22:12:52 C 10 13 46.85 +71 35 05.8 o J77
2009-03-19 22:14:45 C 10 12 55.38 +71 40 20.9 o J77
2009-03-19 22:20:13 C 10 10 22.07 +71 55 38.0 o J77
2009-03-20 00:37:30 C 08 29 25.85 +77 20 43.2 o 510
2009-03-20 00:37:40 C 08 29 16.03 +77 20 59.5 o 510
2009-03-20 00:38:00 C 08 28 55.37 +77 21 33.7 o 510
2009-03-20 01:01:05 C 08 03 39.68 +77 56 55.5 o 510
2009-03-20 01:56:15 C 07 01 14.64 +79 27 47.9 c H55
2009-03-20 01:56:48 C 07 00 25.68 +79 28 03.5 c H55
2009-03-20 01:57:10 C 06 59 53.49 +79 28 13.2 c H55
2009-03-20 01:57:21 C 06 59 36.76 +79 28 16.1 c H55
2009-03-20 01:57:32 C 06 59 20.82 +79 28 21.0 c H55
2009-03-20 01:57:54 C 06 58 47.90 +79 28 31.0 c H55
2009-03-20 01:58:05 C 06 58 31.14 +79 28 35.6 c H55
2009-03-20 01:58:16 C 06 58 15.09 +79 28 40.4 c H55
2009-03-20 01:58:48 C 06 57 26.16 +79 28 52.6 c H55
2009-03-20 01:59:10 C 06 56 53.47 +79 29 01.1 c H55
2009-03-20 01:59:45 C 06 56 02.46 +79 29 12.7 c H55
2009-03-20 01:59:56 C 06 55 45.66 +79 29 18.5 c H55
2009-03-20 02:00:06 C 06 55 29.83 +79 29 21.4 c H55
2009-03-20 02:00:17 C 06 55 13.52 +79 29 25.2 c H55
2009-03-20 02:00:28 C 06 54 56.76 +79 29 29.4 c H55
2009-03-20 02:01:01 C 06 54 07.83 +79 29 40.8 c H55
2009-03-20 02:01:13 C 06 53 50.61 +79 29 44.8 c H55
2009-03-20 02:01:24 C 06 53 34.13 +79 29 47.0 c H55
2009-03-20 03:21:51 n 04 59 12.98 +78 30 19.8 m H25
2009-03-20 03:22:00 n 04 59 02.65 +78 30 05.7 m H25
2009-03-20 03:22:08 n 04 58 52.28 +78 29 51.9 m H25
2009-03-20 04:01:56 n 04 13 32.18 +77 07 16.0 m H25
2009-03-20 04:02:01 n 04 13 27.12 +77 07 04.3 m H25
2009-03-20 04:02:04 n 04 13 23.85 +77 06 56.1 m H25
2009-03-20 04:02:13 n 04 13 15.64 +77 06 36.9 m H25
2009-03-20 04:02:21 n 04 13 07.34 +77 06 16.8 m H25
2009-03-20 04:14:34 n 04 01 17.24 +76 35 45.7 m H25
2009-03-20 04:14:40 n 04 01 11.34 +76 35 29.2 m H25
2009-03-20 04:14:48 n 04 01 03.76 +76 35 08.4 m H25
2009-03-20 04:14:57 n 04 00 55.98 +76 34 47.2 m H25
2009-03-20 04:17:33 n 03 58 32.40 +76 28 01.5 m H25
2009-03-20 04:17:38 n 03 58 27.94 +76 27 48.6 m H25
2009-03-20 04:17:41 n 03 58 24.83 +76 27 39.7 m H25
2009-03-20 04:17:52 n 03 58 15.22 +76 27 12.0 m H25
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)