5645 1990SP help
Last update: 2025-07-29 02:36 UTC
Orbital Properties
Epoch
60800.0
MJD
Orbit type
Apollo
-
Perihelion (q)
0.830
au
Aphelion (Q)
1.879
au
Eccentricity (e)
0.387
-
Inclination (i)
13.5
deg
Orbit period (P)
575.9
d
Earth MOID
0.05385
au
U parameter
0.0
-
Next Earth close approach
Date
2031-11-10
Nominal distance (from Earth center)
0.0985
au
14734907
km
Maximum Brightness
17.7
mag
Risk
Object is not in risk list
Physical Properties
Absolute Magnitude (H)
17.3
mag
Diameter
1650
m
Taxonomic type
X
Rotation period (T)
30.39
h
Discovery Information
Discovery Date
1990-09-20
Observatory
Siding Spring Observatory
ORBIT VISUALISATION TOOLS