12923 Zephyr help
Last update: 2026-06-27 12:46 UTC
Orbital Properties
Epoch
61200.0
MJD
Orbit type
Apollo
-
Perihelion (q)
0.994
au
Aphelion (Q)
2.929
au
Eccentricity (e)
0.493
-
Inclination (i)
5.3
deg
Orbit period (P)
1003.6
d
Earth MOID
0.01963
au
U parameter
0.0
-
Next Earth close approach
Date
2032-09-22
Nominal distance (from Earth center)
0.18602
au
27827950
km
Maximum Brightness
14.7
mag
Risk
Object is not in risk list
Physical Properties
Absolute Magnitude (H)
15.8
mag
Diameter
2060
m
Taxonomic type
S
Rotation period (T)
3.891
h
Discovery Information
Discovery Date
1999-04-11
Observatory
Lowell Observatory-LONEOS
ORBIT VISUALISATION TOOLS