Solaris pour remplacer Koronas/Photon en 2015

Selon le site d'Anatoly ZAK (www.russianspaceweb.com) un nouveau projet de satellite solaire commence à prendre forme. Il pourrait être lancé en 2015 pour remplacer Koronas-Foton tombé en panne quelques mois après sa mise en service.

Russia to launch a solar telescope -- Koronas-4-Monitor -- to replace a failed Koronas-Foton spacecraft. (A February 2010 proposal from Astrophysics Institute at the National Nuclear Research University.) By the end of March 2010, a project to replace Koronas-Foton was identified as Solaris by the Solar System division within Space Council of the Russian Academy of Sciences. The division recommended Lebedev Physics Institute, FIAN, as a main developer of the satellite's payload. The issue of the spacecraft bus remained open at the time, with NPO Lavochkin's yet-to-be-flown Navigator platform as one of the contenders. Unlike Koronas-Foton, the new telescope was expected to be narrowly specialized in solar observations and it was to be inserted into very high orbit to minimize the shadow from Earth and the influence of the planet's radiation belt. As of April 2010, the project was yet to be approved for the inclusion into the Russian space program or to receive any funding.