Polaris
Intelligence
My Polaris
Intelligence
Space & Launch
Ecosystem
About
Ctrl K
Explore
Sign in
USA 231
retired
Earth Observation
LEO
COSPAR 2011-029A
Launched 6/30/2011
Admin Edit
Mission & Launch
Launch Mission
ORS-1
Launch Vehicle
Minotaur I
Launch Date
6/30/2011
Last Contact
3/22/2018
Orbit & Mass
Orbit Class
LEO
Altitude
402.5 km
Inclination
40 deg
Dry Mass
475 kg
Total Mass
475 kg
Payload Classification
Mission Type
Earth Observation
Payload Category
IMG*
Payload Class
D
Organizations
Operator
Operationally Responsive Space Office
Manufacturer
Northrop Grumman
Registry
COSPAR ID
2011-029A
UN Registration
ST/SG/SER.E/628
Track