6  Very eccentric satellite shortly to arrive (4)

 9  Orders sailor to drop large satellite (7)

10 Some number of sick people they aim to hit on the head (7)

12 Alien moon forest perhaps inhabited by male egg-layers (10)

13/23       Look at complaint and stop using computer (3,3)

15 Time they explode small moon (6)

16 Heard shabby-looking cricketer maybe listened to one of these? (2,6)

18 Detective falls down and gets off (8)

20 Piece of glass on a table (6)

23 See 13

24 One following rock band is near death (2,8)

26 Cavities maybe sloth exploits (7)

27 Phalanger's work needs large amount of money (7)

28 Beam carrying energy reflecting orbital period (4)

29 Series about graffiti artist, first of several who astonish other people? (10)

 1  Pasta spot north of Italy (4)

 2  Issue tool due for replacement (4,3)

 3  Study of moving bodies crashes cars - it's Monday! (13)

 4  Existentialist pictures framed by senior European (6)

 5  Satellite guide's user interface some setter replaces (8)

 7  Covering gets adult in too (7)

 8  Someone from Soviet satellite confuses ET's manager (4,6)

11 Satellite? Moon? Somehow I'm not bothered (3,3,3,2,2)

14 Workplace American laboratory cleared out methodically (10)

17 Satellite isn't late rotating (8)

19 Liar exposed under giant moon (7)

21 Argued about a thin fabric (2,5)

22 Tough track around Turkey (6)

25 Writer, for instance, crossing motorway (4)