Polaris Intelligence
Polaris
Intelligence
About
Ctrl K
Sign in
© Polaris Intelligence 2026
PrivacyTermsAdmin

OPS 3255

retired
Signals IntelligencesuborbitalLaunched 12/9/1980
Admin Edit
Mission & Launch
Launch Mission
Launch 1980-U01
Launch Vehicle
Atlas E
Launch Date
12/9/1980
Last Contact
12/9/1980
Orbit & Mass
Orbit Class
suborbital
Altitude
25 km
Inclination
63.5 deg
Dry Mass
562 kg
Total Mass
562 kg
Payload Classification
Mission Type
Signals Intelligence
Payload Category
SIG
Payload Class
D
Organizations
Operator
U.S. National Reconnaissance Office (NRO)
Manufacturer
Lockheed Martin
Constellation
Name
NOSS / Intruder
Active Satellites
15
Registry
Track