Transit 2A, a U.S. Navy Doppler navigation satellite, launched with GRAB-1 (Solrad 1) on a Thor DM-21 Ablestar from Cape Canaveral LC-17B on 22 June 1960. GRAB-1 became the first successful U.S. ELINT satellite, mapping Soviet air-defense radars under a solar-radiation cover story.
- Outcome
- Success
- Orbit
- PO
- Polar orbit
- Payload to orbit
- 119 kg
- Flight
- 2nd
- of 19 Thor DM-21 Ablestar flights
- Date and time
- 22 June 1960, 05:54 UTC
- Rocket
- Thor DM-21 Ablestar
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
- Payload
- Navigation
- International designator
- 1960-007
- Launches in 1960
- 14th of 38
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
Object pages on Space Atlas: SOLRAD 1
View satellites in Space Atlas