Progress M-UM No. 303

Re-entered 26 Nov 2021

Progress M-UM No. 303 (NORAD 49499, COSPAR 2021-111A) was a RU satellite that re-entered Earth's atmosphere on 26 Nov 2021, launched on 24 Nov 2021 on the Progress M-UM No. 303 mission. It was operated by RKKE as part of the Progress M-SO programme. The spacecraft was built by PROGT on the 7K-TGM SO bus, with a mass of 3,530 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.

2021

launched

2021

re-entered

years on orbit

3,530

kg mass

Lifecycle

Launched24 Nov 2021 · on the Progress M-UM No. 303 mission

Operational23 Dec 2021 · entered service

Retired23 Dec 2021 · end of operational service

Re-entered26 Nov 2021 · atmospheric re-entry — object destroyed

Specifications

NORAD ID49499

COSPAR2021-111A

TypeSatellite

OperatorRKKE

Country / StateRU

ManufacturerPROGT

Bus7K-TGM SO

Mass3,530 kg (2,600 kg dry)

ProgrammeProgress M-SO

CategorySS

OrbitLEO (LLEO/I)

Altitude179 × 207 km

Inclination51.6°

Frequently asked questions

What happened to Progress M-UM No. 303?

Progress M-UM No. 303 re-entered Earth's atmosphere on 26 Nov 2021, ending a mission that began with its launch in 2021. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Progress M-UM No. 303 re-enter the atmosphere?

Progress M-UM No. 303 re-entered on 26 Nov 2021, according to Orbital Radar's historical catalogue records.

Who operated and built Progress M-UM No. 303?

Progress M-UM No. 303 was operated by RKKE and built by PROGT (RU).

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

Browse the live satellite directory → Re-entered satellites archive → Launch record: Progress M-UM No. 303 → What is space debris? →