1620 Geographos help
Last update: 2025-07-29 02:36 UTC
Orbital Properties
Epoch
60800.0
MJD
Orbit type
Apollo
-
Perihelion (q)
0.828
au
Aphelion (Q)
1.664
au
Eccentricity (e)
0.336
-
Inclination (i)
13.3
deg
Orbit period (P)
507.8
d
Earth MOID
0.03004
au
U parameter
0.0
-
Next Earth close approach
Date
2026-08-12
Nominal distance (from Earth center)
0.17044
au
25497017
km
Maximum Brightness
14.4
mag
Risk
Object is not in risk list
Physical Properties
Absolute Magnitude (H)
15.2
mag
Diameter
5000 | 2000 | 1500
m
Taxonomic type
S
Rotation period (T)
5.223
h
Discovery Information
Discovery Date
1951-09-14
Observatory
Palomar Mountain
ORBIT VISUALISATION TOOLS