60 Echo
60 Echo is a quite large main-belt asteroid. It was discovered by James [Ferguson (American astronomer)|James Ferguson] of the United States Naval Observatory in Washington D.C., on September 14, 1860. It was his third and final asteroid discovery. It is named after Echo, a nymph in Greek mythology. James Ferguson had initially named it "Titania", not realizing that name was already used for a satellite of Uranus.
This object is orbiting the Sun with a period of, a semimajor axis of, and an eccentricity of 0.18. Its orbital plane is at an inclination of 3.6° to the plane of the ecliptic. This is a stony S-type asteroid with a cross-sectional size of 60.2 km that is spinning with a rotation period of 25.2 hr. Echo has been studied by radar. It is not known to be a member of any asteroid family.