SOLRAD 11B

SOLRAD 11B was one of a pair of identical satellites that were placed in a circular equatorial orbit of 20 earth radii. SOLRAD 11B was launched on March 15, 1976 aboard a Titan IIIC from Cape Canaveral & Kennedy. Latest status in GCAT: in orbit, no recent tracking.

COSPAR 1976-023DNORAD 8749United States

Identity

Name in GCAT: SR 11B
Common name: SOLRAD 11B
Payload designation: Solrad 11B
Other names: NRL PL177,STP P74-1:PN
International designator: 1976-023D
NORAD catalog number: 8749
GCAT identifier: S08749
UN registration: A/AC.105/INF.349

Mission

Mission type: Astronomy
Use: Civil government
Program: Solrad
Owner: NRL
Country: United States
Builder: Naval Research Lab
Platform (bus): SR 11

Launch

Date: March 15, 1976 · 01:25 UTC
Launch record: 1976-023Success
Rocket: Titan IIIC
Spaceport: Cape Canaveral & Kennedy · pad LC40

Orbit and fate

Orbit class (GCAT): VHEO
Perigee: 115,720 km
Apogee: 116,645 km
Inclination: 25.60°
Status: In orbit, no recent tracking
Last known active: Oct 31, 1979
End of operations: Oct 31, 1979

Size

Mass: 171 kg
Dry mass: 171 kg
Length: 0.4 m
Diameter: 1.50 m
Span: 2.5 m

Launched together

Lincoln Experimental Satellite 8Communications · SAMSO Lincoln Experimental Satellite 9Communications · SAMSO SOLRAD 11AAstronomy · NRL

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q111857642 (CC0).