Progress 7K-TG No. 127

Re-entered 23 Apr 1987

Progress 7K-TG No. 127 (NORAD 17878, COSPAR 1987-034A) was a SU satellite that re-entered Earth's atmosphere on 23 Apr 1987, launched on 21 Apr 1987 on the Progress 7K-TG No. 127 mission. It was operated by NPOE as part of the Progress programme. The spacecraft was built by NPOE on the 7K-TG bus, with a mass of 7,100 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.

1987

launched

1987

re-entered

years on orbit

7,100

kg mass

Lifecycle

Launched21 Apr 1987 · on the Progress 7K-TG No. 127 mission

Operational11 May 1987 · entered service

Retired11 May 1987 · end of operational service

Re-entered23 Apr 1987 · atmospheric re-entry — object destroyed

Specifications

NORAD ID17878

COSPAR1987-034A

TypeSatellite

OperatorNPOE

Country / StateSU

ManufacturerNPOE

Bus7K-TG

Mass7,100 kg (4,873 kg dry)

ProgrammeProgress

CategorySS

OrbitLEO (LLEO/I)

Altitude342 × 364 km

Inclination51.6°

Frequently asked questions

What happened to Progress 7K-TG No. 127?

Progress 7K-TG No. 127 re-entered Earth's atmosphere on 23 Apr 1987, ending a mission that began with its launch in 1987. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Progress 7K-TG No. 127 re-enter the atmosphere?

Progress 7K-TG No. 127 re-entered on 23 Apr 1987, according to Orbital Radar's historical catalogue records.

Who operated and built Progress 7K-TG No. 127?

Progress 7K-TG No. 127 was operated by NPOE and built by NPOE (SU).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.

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