4341 Poseidon help
Last update: 2025-08-01 12:46 UTC
Orbital Properties
Epoch
60800.0
MJD
Orbit type
Apollo
-
Perihelion (q)
0.587
au
Aphelion (Q)
3.082
au
Eccentricity (e)
0.680
-
Inclination (i)
11.8
deg
Orbit period (P)
907.4
d
Earth MOID
0.19400
au
U parameter
0.0
-
Next Earth close approach
Date
2118-11-05
Nominal distance (from Earth center)
0.19586
au
29300468
km
Maximum Brightness
16
mag
Risk
Object is not in risk list
Physical Properties
Absolute Magnitude (H)
16.1
mag
Diameter
3100
m
Taxonomic type
R
Rotation period (T)
6.262
h
Discovery Information
Discovery Date
1987-05-29
Observatory
Palomar Mountain
ORBIT VISUALISATION TOOLS