2009 DA1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6993416900 ± 2.00e+00
Semi-major axis (a)2.5829436298 AU ± 3.00e+00
Inclination (i)5.94189637° ± 4.00e+00
Long. of Asc. Node (Ω)150.81904176° ± 5.00e+00
Arg. of Perihelion (ω)278.73355727° ± 6.00e+00
Mean Anomaly (M)29.86888399° ± 1.65e-01
Mean Motion (n)0.2374103900°/day ± 4.14e-01
Perihelion dist (q)0.77662050 AU ± 5.24e+00
Aphelion dist (Q)4.38952030 AU ± 7.26e+00
Orbital Period4.15149350 yr ± 7.23e+00
Physical Parameters
H (abs. magnitude)22.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.285″
Uncertainty3
Orbit TypeApollo
MOID0.034701 AU
Observations Used52
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-03-03
Observations (57)
Date Type RA Dec Mag Band Observatory
2009-02-27 06:17:30 C 10 34 55.23 +09 48 45.5 o 291
2009-02-28 08:31:43 C 10 33 52.81 +10 14 13.1 o 291
2009-02-28 08:37:07 C 10 33 52.56 +10 14 18.1 o 291
2009-02-28 08:42:28 C 10 33 52.32 +10 14 23.0 o 291
2009-03-03 03:48:10 C 10 31 39.03 +11 10 37.3 o 691
2009-03-03 04:13:34 C 10 31 38.14 +11 10 57.0 o 691
2009-03-03 04:38:58 C 10 31 37.32 +11 11 16.1 o 691