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🛰️ SATELLITE · HISTORICAL RECORD

SkySat 21

Re-entered 30 Jan 2024

SkySat 21 (NORAD 46235, COSPAR 2020-057BS) was a US satellite that re-entered Earth's atmosphere on 30 Jan 2024, launched on 18 Aug 2020 on the Starlink V1.0-L10/SkySat mission. It was operated by PLABST as part of the Skysat programme. The spacecraft was built by MAXSS on the SkySat-Gen2 bus, with a mass of 110 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.

2020
launched
2024
re-entered
4
years on orbit
110
kg mass

Lifecycle

Launched18 Aug 2020 · on the Starlink V1.0-L10/SkySat mission
Operational24 Jan 2024 · entered service
Retired24 Jan 2024 · end of operational service
Re-entered30 Jan 2024 · atmospheric re-entry — object destroyed

Specifications

NORAD ID46235
COSPAR2020-057BS
TypeSatellite
OperatorPLABST
Country / StateUS
ManufacturerMAXSS
BusSkySat-Gen2
Mass110 kg
ProgrammeSkysat
CategoryIMG
OrbitLEO (LLEO/I)
Altitude211 × 355 km
Inclination53.0°

Frequently asked questions

What happened to SkySat 21?

SkySat 21 re-entered Earth's atmosphere on 30 Jan 2024, ending a mission that began with its launch in 2020. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did SkySat 21 re-enter the atmosphere?

SkySat 21 re-entered on 30 Jan 2024, according to Orbital Radar's historical catalogue records.

Who operated and built SkySat 21?

SkySat 21 was operated by PLABST and built by MAXSS (US).

Launched together

Starlink V1.0-L10-02Re-entered 2026Starlink V1.0-L10-12NORAD 46141Starlink V1.0-L10-13Re-entered 2026Starlink V1.0-L10-15Re-entered 2022Starlink V1.0-L10-22Re-entered 2026Starlink V1.0-L10-23Re-entered 2021Starlink V1.0-L10-24NORAD 46146Starlink V1.0-L10-26Re-entered 2025
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: Starlink V1.0-L10/SkySat → What is space debris? →