136993 1998ST49 help
Last update: 2024-03-28 23:50 UTC
Orbital Properties
Epoch
60400.0
MJD
Orbit type
Apollo
-
Perihelion (q)
0.934
au
Aphelion (Q)
3.684
au
Eccentricity (e)
0.596
-
Inclination (i)
24.5
deg
Orbit period (P)
1281.3
d
Earth MOID
0.05527
au
U parameter
0.0
-
Next Earth close approach
Date
-
Nominal distance (from Earth center)
-
au
-
km
Maximum Brightness
-
mag
Risk
Object is not in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H)
17.8
mag
Diameter
720
m
Taxonomic type
S/Sr
Rotation period (T)
2.301
h
Discovery Information
Discovery Date
1998-09-29
Observatory
Lincoln Laboratory ETS, New Mexico
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