SSA is the acronym of ESA's "Space Situational Awareness" programme, which was the precursor to the current Space Safety Programme. SSA ran between 2009 and 2019. More info at:...

The Torino scale is a function of the impact energy and probability of the event, with no reference to the time of impact. In the Palermo scale, the risk posed by a possible impactor is compared to...

S2P is the acronym for ESA's "Space Safety Programme”. Its aim is "the protection of our planet, humanity and assets in space and on Earth from dangers originating in space". More info at:...

PDO is the acronym of ESA’s Planetary Defence Office within its Space Safety programme (S2P). The goals of the Office are to: 1) be aware of the current and future position of near-Earth objects...

The possibility of browsing through the largest possible set of astronomical images and download them for inspection is extremely useful in order to find possible unidentified detections of NEOs or...

In the last observing slot at ESA's 1-m telescope on Tenerife, the previously 'lost' object 2009 XZ1 has been recovered. E. Schwab (Germany) has planned and analyzed the observations. The Minor...

A revision of the Apophis impact hazard assessment

Possible extension for the Hayabusa2 mission