03 May 2019
Debris from India's ASAT test worse than predicted
...between 300 km and 900 km altitude…As these debris fragments are in polar orbits, they are a potential threat to satellites in all orbital inclinations at these altitudes,” says Langbroek in his analysis. India’s ASAT test is not the first to provoke...
27 November 2019
Russia launches secret space surveillance satellite
...that the modified rocket was heading north for a near-polar orbit. Over time, this north-south flight path would ... remote sensing and/or long-distance observations of other objects in orbit, writes Bart Hendrickx, a long-term observer of the Russian...
03 August 2018
Space activity at Farnborough FIA 2018
... the site at the A’ Mhoine peninsula in Sutherland, as being the first vertical launch orbital access Spaceport in Britain for northward direction polar orbit and high inclination Sun-synchronous satellite payloads. The government is giving the...
March 2015
Dawn of ion propulsion
...6 March. The principal effect of the missed thrust is to make the initial orbit larger, so the spaceship will need more time to gently adjust to a circular, polar orbit at 13,500 kilometres (8,400 miles). It will reach that altitude on about 23 April...
May 2019
Active debris removal faces legal minefield
...goal is to capture a heavy, ESAowned item of debris and remove it from an altitude of 800-1000 km in a near-polar orbit. Justified intervention In conclusion, and in order to determine whether an operation of ADR or OOS on a non-cooperative satellite...
August 2020
Battle for the night sky - from telescopes to ad-breaks
... The geodesic sphere reflected sunlight back to Earth from a polar orbit for a little over two months before re-entering. The... - including the Humanity Star and the presently hypothetical orbital advertising displays - purely in order to be seen ...
