PROBA-3

Proba-3
An artistic rendering of PROBA-3.
An artistic rendering of PROBA-3.
Mission typeSolar observatory
technology demonstrator
OperatorESA
Websitelink
Mission duration2 years (nominal)
Spacecraft properties
ManufacturerS/C: SENER/Redwire/EADS CASA/GMV/SPACEBEL ASPIICS: CSL
Launch massCSC and OSC in stack: 550 kilograms (1,210 lb)
DimensionsCSC: 1.1 by 1.8 by 1.7 metres (3.6 ft × 5.9 ft × 5.6 ft)
OSC: 0.9 by 1.4 metres (3.0 ft × 4.6 ft)
Start of mission
Launch dateSeptember 2024 (planned)[1]
RocketPSLV-XL C-62 (baselined)[2]
Launch siteIndia
ContractorNSIL
Orbital parameters
Reference systemGeocentric
RegimeHighly-elliptical Earth Orbit
Semi-major axis36,943 kilometres (22,955 mi)
Eccentricity0.8111
Perigee altitude600 kilometres (370 mi)
Apogee altitude60,530 kilometres (37,610 mi)
Inclination59 degrees
Period19.7 hours
RAAN153 degrees
Argument of perigee188 degrees
Epochplanned
← PROBA-V

Proba-3 is a dual probe technological demonstration mission by the European Space Agency devoted to high precision formation flying to achieve scientific coronagraphy. It is part of the series of PROBA satellites that are being used to validate new spacecraft technologies and concepts while also carrying scientific instruments.

  1. ^ "Face to face with Sun-eclipsing Proba-3". ESA. 2 January 2024. Retrieved 2 January 2024.
  2. ^ Arlanzón, Jesualdo (2020). "PROBA 3 Thermal Design and Analysis" (PDF). Retrieved 10 November 2021.