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🛰️ SATELLITE · HISTORICAL RECORD

Dido-3

Re-entered 25 Mar 2025

Dido-3 (NORAD 46284, COSPAR 2020-061N) was a IL satellite that re-entered Earth's atmosphere on 25 Mar 2025, launched on 3 Sep 2020 on the SSMS mission. It was operated by SPHARM as part of the Dido programme. The spacecraft was built by SPHARM on the Cubesat 3U bus, with a mass of 4 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
2025
re-entered
5
years on orbit
4
kg mass

Lifecycle

Launched3 Sep 2020 · on the SSMS mission
Operational1 Feb 2025 · entered service
Retired1 Feb 2025 · end of operational service
Re-entered25 Mar 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID46284
COSPAR2020-061N
TypeSatellite
OperatorSPHARM
Country / StateIL
ManufacturerSPHARM
BusCubesat 3U
Mass4 kg
ProgrammeDido
CategoryMGRAV
OrbitLEO (LLEO/S)
Altitude534 × 536 km
Inclination97.5°

Frequently asked questions

What happened to Dido-3?

Dido-3 re-entered Earth's atmosphere on 25 Mar 2025, 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 Dido-3 re-enter the atmosphere?

Dido-3 re-entered on 25 Mar 2025, according to Orbital Radar's historical catalogue records.

Who operated and built Dido-3?

Dido-3 was operated by SPHARM and built by SPHARM (IL).

Launched together

Nusat-6Re-entered 2024Dove 2254Re-entered 2024Dove 241cRe-entered 2024SpaceBEE 21Re-entered 2023SpaceBEE 20Re-entered 2023SpaceBEE 15Re-entered 2023
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.