Asteroid 7861, Messenger, was discovered March 2, 1981 by S. J. "Buddy" Bus at Siding Spring Observatory near Coonabarabran, New South Wales, Australia in the course of the U.K. Schmidt-Caltech Asteroid Survey. It has a period of 3 years, 297 days.
It was named for NASA space scientist Scott R. Messenger (born 1969).
Scott Messenger
The meaning of asteroid Messenger, according to Henk Middelraad, is: being a messenger.