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
2025-10-25 07:08:12 C 03 41 38.778 +32 21 27.90 V G96
2025-11-11 07:34:58 C 02 21 20.939 +27 06 03.17 X F52
2025-11-11 07:53:36 C 02 21 18.291 +27 05 47.73 X F52
2025-11-11 08:12:13 C 02 21 15.704 +27 05 33.14 X F52
2025-11-11 08:30:59 C 02 21 13.071 +27 05 17.74 X F52
2025-11-11 11:50:26 C 02 20 48.88 +27 02 16.1 V D29
2025-11-11 12:10:48 C 02 20 46.16 +27 02 00.2 V D29
2025-11-11 12:31:10 C 02 20 43.36 +27 01 44.4 V D29
2025-11-13 13:05:15 C 02 14 54.38 +26 21 45.4 V D29
2025-11-13 13:25:37 C 02 14 51.97 +26 21 29.4 V D29
2025-11-13 13:45:59 C 02 14 49.46 +26 21 13.2 V D29
2025-11-14 13:21:29 C 02 12 15.87 +26 02 19.0 V D29
2025-11-14 14:02:12 C 02 12 11.17 +26 01 47.8 V D29
2025-11-15 13:47:29 C 02 09 46.36 +25 43 11.1 V D29
2025-11-15 14:07:51 C 02 09 44.13 +25 42 55.8 V D29
2025-11-17 11:08:48 C 02 05 33.704 +25 09 01.24 X F51
2025-11-17 11:48:45 C 02 05 29.933 +25 08 30.11 X F51
2025-11-17 12:08:45 C 02 05 28.084 +25 08 14.49 X F51
2025-11-23 05:16:27 C 01 56 05.339 +23 36 19.31 X F52
2025-11-23 05:46:23 C 01 56 03.541 +23 36 02.53 X F52
2025-11-23 06:01:14 C 01 56 02.639 +23 35 53.91 X F52
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)