427684 (2004 DH2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4003130574 ± 2.00e+00
Semi-major axis (a)0.9443108695 AU ± 3.00e+00
Inclination (i)23.02003894° ± 4.00e+00
Long. of Asc. Node (Ω)157.28638974° ± 5.00e+00
Arg. of Perihelion (ω)216.14494389° ± 6.00e+00
Mean Anomaly (M)1.55689605° ± 7.79e-05
Mean Motion (n)1.0740878235°/day ± 5.12e+00
Perihelion dist (q)0.56629090 AU ± 2.61e+00
Aphelion dist (Q)1.32233084 AU ± 4.61e+00
Orbital Period0.91764031 yr ± 4.37e+00
NGA Modelr2
A21.48373255e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-29
RMS Residual0.350″
Uncertainty0
Orbit TypeAten
MOID0.125306 AU
Observations Used197
Oppositions2
Arc Total2004-2025
First Observation Used2004-02-17
Last Observation Used2025-03-30
Observations (204)
Date Type RA Dec Mag Band Observatory
2016-04-07 05:49:18 C 13 38 35.38 +42 54 45.3 R G45
2016-04-07 05:49:30 C 13 38 35.36 +42 54 45.7 R G45
2025-03-30 03:01:14 C 06 36 36.808 +22 57 59.41 V G37
2025-03-30 03:04:17 C 06 36 37.328 +22 58 02.59 V G37