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HEXAGON SV-19

Re-entered 18 Oct 1984

HEXAGON SV-19 (NORAD 15063, COSPAR 1984-065A) was a US satellite that re-entered Earth's atmosphere on 18 Oct 1984, launched on 25 Jun 1984 on the HEXAGON SV-19 mission. It was operated by NRO / SAFSP as part of the Hex III programme. The spacecraft was built by LMSC on the KH-9 bus, with a mass of 6,320 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1984
launched
1984
re-entered
0
years on orbit
6,320
kg mass

Lifecycle

Launched25 Jun 1984 · on the HEXAGON SV-19 mission
Operational18 Oct 1984 · entered service
Retired18 Oct 1984 · end of operational service
Re-entered18 Oct 1984 · atmospheric re-entry — object destroyed

Specifications

NORAD ID15063
COSPAR1984-065A
TypeSatellite
OperatorNRO / SAFSP
Country / StateUS
ManufacturerLMSC
BusKH-9
Mass6,320 kg (5,000 kg dry)
ProgrammeHex III
CategoryIMG
OrbitLEO (LLEO/S)
Altitude169 × 262 km
Inclination96.4°

Frequently asked questions

What happened to HEXAGON SV-19?

HEXAGON SV-19 re-entered Earth's atmosphere on 18 Oct 1984, ending a mission that began with its launch in 1984. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did HEXAGON SV-19 re-enter the atmosphere?

HEXAGON SV-19 re-entered on 18 Oct 1984, according to Orbital Radar's historical catalogue records.

Who operated and built HEXAGON SV-19?

HEXAGON SV-19 was operated by NRO / SAFSP and built by LMSC (US).

Launched together

P-11 No. 4434NORAD 15071
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.