Mercury and Venus do not have any natural satellites (Moons).
No satellites have been discovered yet in orbit around Mercury. As of now, the answer to the question is zero.
There are no known satellites of Mercury.
Mercury has no satellites.
No natural satellites of Mercury have been discovered.
None.
None.
14
Mercury has no natural satellites.
None are known.
There are no natural satellites.
The planet Mercury has no natural satellites.