January saw sustained levels of space activity, with similar levels of uncontrolled re-entries and generally similar levels of collision alerts to those issued in December. The exception was space weather, which saw increased activity.
All NSpOC warning and protection services were functioning throughout the period.
Re-entry analysis
January saw a slight reduction in the number of objects re-entering Earth’s atmosphere, monitored by NSpOC, when compared with the previous month.
Of the 50 objects that re-entered, 39 were satellites, 11 were rocket bodies and two were likely pieces of debris.
February 129, March 85, April 92, May 64, June 55, July 52, August 34, September 39, October 54, November 43, December 52, January 50
Collision avoidance analysis
Collision risks to UK-licensed satellites were broadly the same in January as in December.
February 2,567, March 2,588, April 2,620, May 1,546, June 1,259, July 1,038, August 971, September 1,537, October 2,402, November 2,472, December 2,643, January 2,608
Registered Space Objects (RSOs) analysis
The in-orbit population increased in January, with a net addition of 177 objects to the US Satellite Catalogue.
February 30,087, March 30,181, April 30,309, May 30,558, June 30,883, July 31,091, August 31,345, September, 31,635, October 31,928, November 32,305, December 32,690, January 32,867
The number of Resident Space Objects (RSOs) reported may be subject to small adjustments over time as the way objects are tracked is refined. Figures in this report reflect the most current available data and may differ slightly from those published in previous months.
Fragmentation analysis
One fragmentation incident took place in January involving a satellite in the Graveyard Orbit (above Geostationary orbit). Assessments are ongoing to understand how many pieces of debris were released.
Space weather analysis
An increase in space weather activity was observed during the month of January, with geomagnetic storms, solar radiation storms and solar flares registered throughout the month.
The National Space Operations Centre combines and coordinates UK civil and military space domain awareness capabilities to enable operations, promote prosperity and protect UK interests in space and on Earth from space-related threats, risks and hazards.