OptiCube 4 [CalPoly]
Official name OPTICUBE 04
Alternative name Opticube 04
Cospar ID 2016-067D
Norad ID 41851
Launch date 2016-11-11
Launch site AFWTR
Launch vehicle Atlas-5(401)
Country/Organization USA
Type application Calibration
Operator NASA Orbital Debris Program Office, US Air Force Starfire Optical Range
RCS size SMALL
Decay date ON ORBIT
Period (min) 95.85
Inclination (deg) 98.07
Perigee (km) 547
Apogee (km) 572
Eccentricity 0.0223413762287757
Mean motion (revs. per day) 15.0234741784038
Semi-Major axis (km) 6937.635
Raan (deg) 290.1227
Arg of perigee (deg) 196.2333
Shape Box
Mass (kg) 4
Height (m) 0.3
Width (m) 0.1
Depth (m) 0.3
Span (m^2) 0.3
Contractors Cal Poly Picosatellite Project (PolySat)
Equipment None
Propulsion None
Configuration CubeSat (2U)
Power None

The OptiCube 4 (O/C 4 or Optical Cube) satellite, developed by Cal Poly, is a 2U CubeSats to provide on-orbit targets for ground assets to calibrate sensors for orbital debris studies and small-object tracking improvements.

The OptiCube satellites are completely passive and the only differences between them are exterior coating materials.

These satellites were produced as a back-up on short notice on request of the NASA Orbital Debris Program Office and the Air Force's Starfire Optical Range, when it became clear, that the U2U was not available for the launch on the ENTERPRISE mission.

Satellite COSPAR Date LS Launch Vehicle Remarks
OPTICUBE 04 2016-067D 2016-11-11 AFWTR Atlas-5(401) with WorldView 4, RAVAN, AeroCube 8C, AeroCube 8D, Prometheus 2.1, Prometheus 2.3, CELTEE 1