Einstein Probe
| Einstein Probe artist impression | |
| Names | Aiyinsitan Tanzhen | 
|---|---|
| Mission type | Space observatory | 
| Operator | CAS, ESA | 
| COSPAR ID | 2024-007A | 
| SATCAT no. | 58753 | 
| Website | ep | 
| Mission duration | 3 years (planned) 1 year, 5 months and 11 days (ongoing) | 
| Spacecraft properties | |
| Spacecraft | Einstein Probe | 
| Bus | Phoenix-Eye-2 | 
| Manufacturer | CAS | 
| Launch mass | 1,450 kg (3,200 lb) | 
| Dimensions | 3 × 3.4 m (9.8 × 11.2 ft) | 
| Start of mission | |
| Launch date | 9 January 2024, 07:02 UTC | 
| Rocket | Long March 2C | 
| Launch site | Xichang LC-3 | 
| Contractor | CASC | 
| Orbital parameters | |
| Reference system | Geocentric orbit | 
| Regime | Low Earth orbit | 
| Perigee altitude | 581 km | 
| Apogee altitude | 596 km | 
| Inclination | 29° | 
| Period | 96 minutes | 
| Instruments | |
| Wide-field X-ray Telescope (WXT) Follow-up X-ray Telescope (FXT) | |
| Einstein Probe Logo | |
The Einstein Probe (EP) is an X-ray space telescope mission by Chinese Academy of Sciences (CAS) in partnership with European Space Agency (ESA) and the Max Planck Institute for Extraterrestrial Physics (MPE) dedicated to time-domain high-energy astrophysics. The primary goals are "to discover high-energy transients and monitor variable objects". The telescope was launched by a Long March 2C rocket from the Xichang Satellite Launch Centre in China, on 9 January 2024, at 07:03 UTC.