|Size height/width||7.4 / 4.0 m|
|Mass wet (incl. helium) / dry||3400 (335)/2800 kg|
|(incl. telescope/science instruments||315/426 kg)|
|Power total/science instruments||1200/506 W|
|Science data rate (max. average)||130 kbps|
|Solar aspect angle (wrt tel. boresight)||60 110 (120 )|
|Absolute pointing (68%)||2|
|Primary physical/effective diameter||3.5/3.28 m|
|Secondary diameter||30.8 cm|
|Wave front error best-focus (centre/edge)||4.8/5.5 m|
|Angular resolution||7 /100 m)|
|Operational temperature||85 K|
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