Name: Explorer 28 — launch
Start: 1965-05-29
Location: Cape Canaveral Air Station, Florida

Launch code: OS. Source references: TR-1022; -.

Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)

1965-01-22 Tiros 9 — launch Shares a spacecraft, person or other linked entity
1965-02-03 OSO 2 — launch Shares a spacecraft, person or other linked entity
1965-07-02 Tiros 10 — launch Shares a spacecraft, person or other linked entity
1965-04-06 Early Bird — launch Same organization: NASA Goddard Space Flight Center
1965-11-06 Explorer 29 — launch Same organization: NASA Goddard Space Flight Center
1965-12-16 Pioneer 6 — launch Same organization: NASA Goddard Space Flight Center