2009 DB12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5658092751 ± 9.61e-07
Semi-major axis (a)1.1718281504 AU ± 3.97e-09
Inclination (i)26.87865567° ± 6.25e-05
Long. of Asc. Node (Ω)149.35716659° ± 1.03e-05
Arg. of Perihelion (ω)233.00794650° ± 6.53e-05
Mean Anomaly (M)132.09627571° ± 5.92e-05
Mean Motion (n)0.7769917116°/day ± 3.95e-09
Perihelion dist (q)0.50879691 AU ± 1.13e-06
Aphelion dist (Q)1.83485939 AU ± 1.13e-06
Orbital Period1.26851583 yr ± 6.45e-09
Physical Parameters
H (abs. magnitude)21.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.367″
Uncertainty0
Orbit TypeApollo
MOID0.113116 AU
Observations Used58
Oppositions3
Arc Total2009-2023
First Observation Used2009-02-22
Last Observation Used2023-03-14
Observations (62)
Date Type RA Dec Mag Band Observatory
2023-02-13 07:35:32 C 12 12 56.370 +06 01 10.80 V I52
2023-02-13 07:36:52 C 12 12 56.190 +06 01 15.30 V I52
2023-02-13 07:38:13 C 12 12 55.920 +06 01 21.20 V I52
2023-02-13 07:47:57 C 12 12 53.53 +06 02 22.7 u 807
2023-02-13 07:52:36 C 12 12 52.69 +06 02 40.4 u 807
2023-02-13 07:57:15 C 12 12 51.94 +06 02 56.9 u 807
2023-02-21 20:43:27 C 11 41 22.94 +17 16 56.9 X C95
2023-02-21 21:28:14 C 11 41 15.89 +17 19 10.0 X C95
2023-03-14 06:44:41 C 10 39 00.529 +32 13 07.39 V V00
2023-03-14 06:51:52 C 10 38 59.831 +32 13 13.87 V V00
2023-03-14 06:59:01 C 10 38 59.176 +32 13 20.06 V V00
2023-03-14 07:06:10 C 10 38 58.477 +32 13 26.72 V V00