2009 DM40

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3428732971 ± 2.00e+00
Semi-major axis (a)1.3315914117 AU ± 3.00e+00
Inclination (i)6.82593276° ± 4.00e+00
Long. of Asc. Node (Ω)153.40706733° ± 5.00e+00
Arg. of Perihelion (ω)305.44430198° ± 6.00e+00
Mean Anomaly (M)348.33457580° ± 3.17e-01
Mean Motion (n)0.6414274900°/day ± 2.17e+00
Perihelion dist (q)0.87502300 AU ± 3.31e+00
Aphelion dist (Q)1.78816000 AU ± 4.83e+00
Orbital Period1.53658480 yr ± 5.19e+00
Physical Parameters
H (abs. magnitude)26.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual1.134″
Uncertainty3
Orbit TypeApollo
MOID0.004296 AU
Observations Used12
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-02-26
Observations (12)
Date Type RA Dec Mag Band Observatory
2009-02-26 09:19:36 C 13 51 43.63 +30 03 56.8 r 703
2009-02-26 09:30:55 C 13 51 28.33 +30 03 53.5 r 703
2009-02-26 09:42:21 C 13 51 12.78 +30 03 50.6 r 703
2009-02-26 10:55:51 C 13 49 34.42 +30 03 10.4 r 703
2009-02-26 11:46:48 C 13 48 28.11 +30 02 25.4 r 703
2009-02-26 11:48:26 C 13 48 25.93 +30 02 21.3 r 703
2009-02-26 12:11:26 C 13 48 01.02 +30 01 49.8 o 673
2009-02-26 12:14:28 C 13 47 56.95 +30 01 46.5 o 673
2009-02-26 12:19:35 C 13 47 50.29 +30 01 41.8 o 673
2009-02-26 12:24:32 C 13 47 44.24 +30 01 36.2 o 673
2009-02-26 12:45:28 C 13 47 13.77 +30 01 19.6 r 703
2009-02-26 12:47:43 C 13 47 11.15 +30 01 17.4 r 703