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
2009-02-22 08:02:18 C 12 20 19.70 +07 51 01.9 o 691
2009-02-22 08:28:22 C 12 20 19.85 +07 51 05.2 o 691
2009-02-22 08:54:27 C 12 20 19.98 +07 51 08.6 o 691
2009-02-26 08:28:29 C 12 22 02.08 +08 06 05.8 o 691
2009-02-26 08:54:33 C 12 22 01.98 +08 06 10.9 o 691
2009-02-26 09:20:57 C 12 22 01.89 +08 06 16.2 o 691
2009-03-02 08:10:16 C 12 23 12.05 +08 29 16.1 o 691
2009-03-02 08:35:42 C 12 23 11.72 +08 29 23.8 o 691
2009-03-02 09:01:08 C 12 23 11.37 +08 29 31.7 o 691
2009-03-15 10:02:08 C 12 21 09.03 +13 51 13.3 r 703
2009-03-15 10:10:12 C 12 21 08.02 +13 51 42.3 r 703
2009-03-15 10:18:16 C 12 21 06.98 +13 52 11.2 r 703
2009-03-15 10:26:23 C 12 21 05.97 +13 52 40.1 r 703
2009-03-15 11:42:53 C 12 20 56.15 +13 57 04.7 r H06
2009-03-15 11:56:14 C 12 20 54.83 +13 57 52.0 r H06
2009-03-15 12:14:13 C 12 20 53.93 +13 59 04.2 r 703
2009-03-15 12:14:40 C 12 20 53.88 +13 59 05.6 r 703
2009-03-15 12:15:12 C 12 20 53.82 +13 59 07.5 r 703
2009-03-15 12:15:46 C 12 20 53.77 +13 59 09.6 r 703
2009-03-15 14:09:12 C 12 21 14.56 +14 06 50.2 r 900
2009-03-15 14:17:00 C 12 21 13.50 +14 07 22.7 r 900
2009-03-15 21:11:01 C 12 20 56.71 +14 34 46.9 r J95
2009-03-15 21:18:50 C 12 20 55.94 +14 35 24.0 r J95
2009-03-15 21:26:33 C 12 20 55.15 +14 36 00.5 r J95
2009-03-16 09:50:20 C 12 19 40.05 +15 42 15.2 o 291
2009-03-16 09:55:50 C 12 19 39.03 +15 42 46.3 o 291
2009-03-16 10:01:30 C 12 19 38.02 +15 43 18.2 o 291
2009-03-16 21:45:58 C 12 18 56.21 +17 00 06.9 r 118
2009-03-16 21:49:26 C 12 18 55.53 +17 00 34.2 r 118
2009-03-16 21:49:38 C 12 18 58.50 +17 00 52.9 c 560
2009-03-16 21:50:10 C 12 18 58.40 +17 00 57.2 c 560
2009-03-16 21:50:43 C 12 18 58.30 +17 01 01.2 c 560
2009-03-16 21:52:02 C 12 18 55.02 +17 00 54.5 r 118
2009-03-16 21:58:05 C 12 18 53.82 +17 01 42.2 r 118
2009-03-16 22:01:32 C 12 18 53.13 +17 02 09.5 r 118
2009-03-16 22:06:43 C 12 18 52.09 +17 02 50.2 r 118
2009-03-16 22:08:27 C 12 18 51.74 +17 03 04.0 r 118
2009-03-16 22:11:02 C 12 18 51.21 +17 03 24.6 r 118
2009-03-16 22:13:38 C 12 18 50.69 +17 03 45.0 r 118
2009-03-16 22:16:14 C 12 18 50.17 +17 04 05.4 r 118
2009-03-16 22:35:41 C 12 18 52.45 +17 06 04.2 r J95
2009-03-16 22:54:46 C 12 18 48.81 +17 08 38.3 r J95
2009-03-16 23:35:41 C 12 18 43.34 +17 15 33.4 r J27
2009-03-16 23:40:49 C 12 18 42.20 +17 16 15.2 r J27
2009-03-16 23:47:05 C 12 18 40.77 +17 17 07.0 r J27
2009-03-17 00:21:10 C 12 18 26.06 +17 21 09.7 c A53
2009-03-17 00:25:01 C 12 18 25.16 +17 21 41.0 c A53
2009-03-17 00:29:26 C 12 18 24.17 +17 22 17.1 c A53
2009-03-17 00:33:50 C 12 18 23.19 +17 22 53.2 c A53
2009-03-17 00:38:15 C 12 18 22.18 +17 23 29.0 c A53
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)