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ARROYO

retired

Signals IntelligenceLEOCOSPAR 1971-076BLaunched 9/10/1971

Mission & Launch

Launch Mission: CORONA 143/1115
Launch Vehicle: Thorad SLV-2H Agena D
Launch Date: 9/10/1971
Last Contact: 10/10/1971

Orbit & Mass

Orbit Class: LEO
Altitude: 495.5 km
Inclination: 75.07 deg
Dry Mass: 160 kg
Total Mass: 170 kg

Payload Classification

Mission Type: Signals Intelligence
Payload Category: SIG
Payload Class: D

Organizations

Operator: U.S. National Reconnaissance Office (NRO)
Manufacturer: Lockheed Martin

Registry

COSPAR ID: 1971-076B
UN Registration: A/AC.105/INF.242

Mentions

1

All verified mentions of this spacecraft in source documents.

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Many small NRO satellites were given names such as PUNDIT, MAGNUM, SAVANT, TIVOLI, LAMPAN, TOPHAT, and ARROYO.

GeneralValue 2.0Feb 2, 2026High Jump: the JUMPSEAT signals intelligence satellite