compiled by Wm. Robert Johnston
last updated 29 May 2006

Summary of listed objects:

Status and Location	Functioning	Defunct	Boosters	Debris	Total
orbiting Earth-Moon system	1	3	15	2	21
orbiting the Moon	1	10	4	2	17
orbiting the Sun	11	49	99	22	181
orbiting Venus	1	4	1	0	6
orbiting Mars	4	7	1	2	14
orbiting Saturn	1	0	0	0	1
Total in orbit	19	73	120	28	240
Solar system escape	3	2	1	2	8
on the Moon	3	26	0	37	66
on Venus	0	13	0	15	28
on Mars	2	7	0	11	20
on 433 Eros	0	1	0	0	1
on 25143 Itokawa	0	0	0	1	1
on 9P/Tempel 1	0	0	0	1	1
in Jupiter	0	0	0	2	2
on Titan	0	1	0	0	1
Total on planets/asteroids/moons	5	48	0	67	120
Grand Total	27	123	121	97	368