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
2009-03-20 04:17:53 n 03 58 13.38 +76 27 07.0 m H25
2009-03-20 04:35:54 n 03 42 45.97 +75 38 04.2 m H25
2009-03-20 04:35:59 n 03 42 42.09 +75 37 50.4 m H25
2009-03-20 04:36:07 n 03 42 35.46 +75 37 27.7 m H25
2009-03-20 04:36:15 n 03 42 28.88 +75 37 03.8 m H25
2009-03-20 04:36:22 n 03 42 23.69 +75 36 46.5 m H25
2009-03-20 04:36:25 n 03 42 20.95 +75 36 36.9 m H25
2009-03-20 04:41:02 n 03 38 41.73 +75 23 28.7 m H25
2009-03-20 04:41:07 n 03 38 37.94 +75 23 14.7 m H25
2009-03-20 04:41:10 n 03 38 35.34 +75 23 05.3 m H25
2009-03-20 04:41:15 n 03 38 31.51 +75 22 51.4 m H25
2009-03-20 04:41:16 n 03 38 30.38 +75 22 46.8 m H25
2009-03-20 04:41:18 n 03 38 28.94 +75 22 41.5 m H25
2009-12-09 12:49:10 C 09 01 35.896 +25 20 10.01 o 568
2009-12-09 12:56:53 C 09 01 35.831 +25 20 12.22 o 568
2009-12-19 12:08:18 C 08 56 36.208 +26 44 44.20 o 568
2009-12-19 12:13:53 C 08 56 35.950 +26 44 46.79 o 568
2011-10-21 22:28:50 C 02 58 17.08 +31 20 10.7 o 461
2011-10-21 22:44:43 C 02 58 12.07 +31 19 54.1 o 461
2011-10-21 23:00:37 C 02 58 06.91 +31 19 36.5 o 461
2011-10-22 07:00:14 C 02 55 42.14 +31 10 53.6 u H36
2011-10-22 07:02:29 C 02 55 41.42 +31 10 51.0 u H36
2011-10-22 07:12:37 C 02 55 38.19 +31 10 39.7 u H36
2011-11-02 04:48:50 C 01 59 09.56 +26 14 00.5 r G96
2011-11-02 05:03:52 C 01 59 07.15 +26 13 45.4 r G96
2011-11-02 05:19:00 C 01 59 04.84 +26 13 29.1 r G96
2011-11-02 05:34:10 C 01 59 02.29 +26 13 14.7 r G96
2023-01-31 08:24:01 C 12 42 57.05 +02 39 35.4 V 807
2023-01-31 08:39:27 C 12 42 58.46 +02 39 26.7 V 807
2023-01-31 08:54:22 C 12 42 59.81 +02 39 19.0 V 807
2023-02-26 20:49:34 C 14 15 40.37 -06 31 56.5 V D29
2023-02-26 21:22:40 C 14 15 48.22 -06 32 46.4 V D29
2023-02-28 12:05:43 C 14 26 03.81 -07 34 38.8 V 691
2023-02-28 12:16:57 C 14 26 06.78 -07 34 57.7 V 691
2023-02-28 12:28:03 C 14 26 09.70 -07 35 15.8 V 691
2024-01-16 12:20:29 C 08 32 22.07 +29 50 02.8 V 691
2024-01-16 12:31:22 C 08 32 20.54 +29 50 08.5 V 691
2024-01-16 12:42:16 C 08 32 19.03 +29 50 13.8 V 691
2024-01-19 06:04:11 C 08 23 06.554 +30 23 29.76 V G96
2024-01-19 06:11:36 C 08 23 05.424 +30 23 33.90 V G96
2024-01-19 06:19:03 C 08 23 04.196 +30 23 38.26 V G96
2024-02-09 06:35:18 C 07 06 09.628 +31 49 43.15 X F52
2024-02-09 06:52:02 C 07 06 07.286 +31 49 40.89 X F52
2024-02-09 07:08:47 C 07 06 04.945 +31 49 38.44 X F52
2025-10-21 04:44:19 C 04 08 27.620 +32 56 46.00 V 691
2025-10-21 04:47:50 C 04 08 26.620 +32 56 45.40 V 691
2025-10-21 04:56:34 C 04 08 24.130 +32 56 44.70 V 691
2025-10-25 06:45:57 C 03 41 44.927 +32 21 37.84 V G96
2025-10-25 06:53:21 C 03 41 42.886 +32 21 34.42 V G96
2025-10-25 07:00:46 C 03 41 40.805 +32 21 31.18 V G96
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)