Geo-IK-2

{{Short description|Russian geodesy satellites}}

The Geo-IK-2 is a Russian series of new generation military{{cite web |url=https://pohnews.org/14910-rf-zapuskaet-dolgozhdannyi-voennyi-sputnik-geo-ik-2 |title=РФ запускает долгожданный военный спутник "Гео ИК-2" |language=ru |trans-title=Russia to launch long awaited military satellite Geo IK-2 |date=3 January 2019 |access-date=3 January 2019}} geodesy satellites replacing the Soviet Union's Geo-IK{{cite web|url=http://space.skyrocket.de/doc_sdat/geo-ik.htm|title=Geo-IK (Musson, 11F666)|website=space.skyrocket.de}} and Sfera{{cite web|url=http://space.skyrocket.de/doc_sdat/sfera.htm|title=Sfera (Geoid, 11F621)|website=space.skyrocket.de}} constellations. They are intended to be used to create high precision three-dimensional maps of the Earth's surface, and to monitor plate tectonics. The satellites are produced by ISS Reshetnev, and have a mass of around {{convert|1400|kg}}.{{cite web|last=Krebs|first=Gunter|title=Geo-IK-2 (Musson-2, 14F31)|url=http://space.skyrocket.de/doc_sdat/geo-ik-2.htm|work=Gunter's Space Page|access-date=5 February 2011}} They operate in a circular orbit at an altitude of around {{convert|1000|km}} above the Earth's surface.

Not to be confused with the Napryazhenie / 14F150 / Nivelir military geodesy satellites.{{cite web|url=http://www.russianspaceweb.com/napryazhenie.html|title=Soyuz-2-1v to launch a secret satellite|website=www.russianspaceweb.com}}{{cite web|url=http://space.skyrocket.de/doc_sdat/nivelir-zu.htm|title=Nivelir-ZU (14F150) ?|website=space.skyrocket.de|access-date=2017-07-14|archive-url=https://web.archive.org/web/20170728094429/http://space.skyrocket.de/doc_sdat/nivelir-zu.htm|archive-date=2017-07-28|url-status=dead}}