Satellites of Israel

ULTRASAT (Ultraviolet Transient Astronomy Satellite) is a space telescope in a smallsat format that will detect and monitor transient astronomical events in the near-ultraviolet (220–280 nm) spectral region. ULTRASAT will observe a large patch of sky with a 210 square degrees field of view, alternating every six months between the southern and northern hemisphere. The satellite is planned to be launched into a geosynchronous orbit in late 2027. All ULTRASAT data will be transmitted to the ground in real time. Upon detection of a transient event, ULTRASAT will provide alerts within 20 minu