compiled by Wm. Robert Johnston
last updated 7 February 2018

Summary of listed objects:

Status and Location	Functioning	Defunct	Boosters	Debris	Total
orbiting Earth (distant)	2	3	19	4	28
orbiting the Moon	4	2	0	0	6
orbiting the Sun	13	62	115	40	230
orbiting Venus	1	5	1	0	7
orbiting Mars	6	8	1	2	17
orbiting (1) Ceres	1	0	0	0	1
orbiting Jupiter	1	0	0	0	1
Total in orbit	28	80	136	46	290
Solar system escape	3	2	1	2	8
on the Moon	6	34	0	64	104
on Mercury	0	0	0	1	1
on Venus	0	13	0	15	28
on Mars	2	9	0	28	39
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
on 67P/Churyumov-Gerasimenko	0	2	0	0	2
in Jupiter	0	0	0	2	2
in Saturn	0	0	0	1	1
on Titan	0	1	0	2	3
Total on planets/asteroids/moons	8	60	0	115	183
Grand Total	39	142	137	163	481