Category. Statistic.
Launch vehicle. Thor-Eyblstar rocket.
Launch date. November 30 1960, 19:50 UTC.
Launch site. Cape Canaveral , SC 17Bi.
Ceased operations. Destroyed on 30 November 1960.
Owner(s). U.S. Navy.

Major contractor(s).

N\A American private or state run corporate entity.
Is it still in orbit. No.
Launch mass 18 kg or 91.0 kg depending on sources used.
Nationality(s). American.
Satellite type. Sun studies.
Links.,,,,, and
Transit-4A Injun-1 Solrad-3

Three satellites, Transit 4A (virtually identical to Transit 4B) on top of Injun 1, on top of Solrad 3; inside launch vehicle nose cone.

Thor Able Star with Transit 3A Nov 30 1960 launch

A Thor Able Star with Transit 3A satellite during launch, Nov 30 1960. Source: NASA/USAF via Jonathan's Space Home Page.

"Solrad" is derived from the words Solar and radiation.