Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

Transit II-A

retired

Positioning Navigation TimingLEOCOSPAR 1960 ETA 1Launched 6/22/1960

Mission & Launch

Launch Mission: Transit 2A/GRAB
Launch Vehicle: Thor Ablestar
Launch Date: 6/22/1960
Last Contact: 10/26/1962

Orbit & Mass

Orbit Class: LEO
Altitude: 836 km
Inclination: 66.77 deg
Dry Mass: 100 kg
Total Mass: 100 kg

Payload Classification

Mission Type: Positioning Navigation Timing
Payload Category: NAV
Payload Class: D

Organizations

Operator: U.S. Navy
Manufacturer: Johns Hopkins Applied Physics Lab

Constellation

Name: Transit navigation system
Active Satellites: 0

Registry

COSPAR ID: 1960 ETA 1
UN Registration: A/AC.105/INF.001