2004 SY4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5818430065
Semi-major axis (a)2.4188545047 AU
Inclination (i)8.08315827°
Long. of Asc. Node (Ω)4.78516423°
Arg. of Perihelion (ω)24.20804127°
Mean Anomaly (M)221.86779811°
Mean Motion (n)0.2620055600°/day
Perihelion dist (q)1.01143410 AU
Aphelion dist (Q)3.82611870 AU
Orbital Period3.76178170 yr
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.922″
Uncertainty
Orbit TypeAmor
MOID0.031797 AU
Observations Used52
Oppositions1
Arc Total2004-2004
First Observation Used
Last Observation Used2004-10-05
Observations (52)
Date Type RA Dec Mag Band Observatory
2004-10-04 23:31:58 C 05 54 26.41 +57 55 09.6 o J95
2004-10-05 00:12:39 C 05 55 31.90 +57 57 14.7 o J95