Tags: Planet.

16 Psyche is one of the ten most massive main-belt asteroids. It is over 200 kilometers in diameter and contains a little less than 1% of the mass of the entire asteroid belt. It is the most massive metallic M-type asteroid. Psyche was discovered by Annibale de Gasparis on March 17 1852 from Naples and named after the Greek mythological figure Psyche.

16Psyche_(Lightcurve_Inversion).png
average speed (km/s)
62424.0
mass (kg)
2270.0
orbital period (μ)
1.57517e+08
temperature (K)
160.0, 280.0
absolute magnitude
5.9
albedo
0.12
apparent magnitude
9.22
discovery date
1852-03-17
discoverer
Annibale de Gasparis
epoch
October 22 2004 (JD 2453300.5)
escape velocity (kmh)
468.0
former name
none
rotation period (s)
15102.7

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