Skip to content
79,433 pages · 13,741 images · since 1994 Browse A–Z Today in space history
Encyclopedia Astronautica The full story of spaceflight
Encyclopedia entry

TD-1A

Spacecraft · Europe

Original archive entry. The text, images and links below are kept as they were written.

TD-1A; Thor Delta 1A
TD-1A; Thor Delta 1A
Credit: Manufacturer Image

European technology satellite. Sixth satellite of ESRO. Astronomy, X-Ray satellite built by Engins Matra (prime), ERNO (structure), Saab (communications) for ESRO, Europe. Launched 1972.

More at: TD-1A.

Country
Europe
Spacecraft
ESRO
Launch Vehicles
Thor, Delta, Thor Delta N
Bibliography
2, 279, 6, 6967, 13263

Chronology

1 event

1972 March 12

01:55 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Thor. Launch Vehicle: Thor Delta N.
  • TD-1A; Thor Delta 1A - . Payload: TD 1A. Mass: 472 kg (1,040 lb). Nation: Europe. Agency: ESRO. Class: Technology. Type: Navigation technology satellite. Spacecraft: TD-1A. Decay Date: 1980-01-09 . USAF Sat Cat: 5879 . COSPAR: 1972-014A. Apogee: 550 km (340 mi). Perigee: 523 km (324 mi). Inclination: 97.60 deg. Period: 95.40 min. Sixth satellite of ESRO. Also registered as US object 1972-14A in A/AC.105/INF.255 with orbit 95.3 min, 525 x 548 km x 97.5 deg, category B. .