OPS 0721

Former American reconnaissance satellite. OPS 0721 was launched on June 20, 1983 aboard a Titan 34D from Vandenberg. Latest status in GCAT: deorbited (Mar 21, 1984).

COSPAR 1983-060ANORAD 14137United States

Identity

Name in GCAT: OPS 0721
Payload designation: HEXAGON SV-18
Other names: NRO Mission 1218
International designator: 1983-060A
NORAD catalog number: 14137
GCAT identifier: S14137
UN registration: ST/SG/SER.E/096

Mission

Mission type: Optical imaging
Use: Defense
Program: Hex III
Owner: NRO
Country: United States
Builder: Lockheed Missiles and Space Co.
Platform (bus): KH-9

Launch

Date: June 20, 1983 · 18:45 UTC
Launch record: 1983-060Success
Rocket: Titan 34D
Spaceport: Vandenberg · pad SLC4E

Orbit and fate

Orbit class (GCAT): LLEO/S
Perigee: 169 km
Apogee: 229 km
Inclination: 96.50°
Status: Deorbited
Status date: March 21, 1984
Last known active: Mar 21, 1984
End of operations: Mar 21, 1984

Size

Mass: 8,542 kg
Dry mass: 6,542 kg
Total mass with attached objects: 11.5 t
Length: 15.8 m
Diameter: 3.00 m
Span: 15.8 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q141641014 (CC0).