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Large Oort Cloud Comet Discovery
en.wikipedia.org/wiki/C/2014_UN271_(Bernardinelli%E2%80%93Bernstein)Yapay zekadan makale özeti
- Discovery and Characteristics
- Discovered by Pedro and Gary Bernardinelli in Dark Energy Survey images
- Located 29 AU from Sun, making it the largest comet discovered
- Nucleus diameter estimated between 119-137 km, larger than typical comets
- Comet shows cometary activity since 2014, with exponential brightness increase
- Orbital Characteristics
- Will reach perihelion at 10.9 AU in January 2031
- Will pass Uranus' orbit in September 2022
- Will cross ecliptic plane in August 2033 at 12.0 AU
- Currently only loosely bound to Sun, subject to galactic tide
- Observational History
- First detected in 2014 at 22nd magnitude in DES images
- Multiple precoveries found since 2010
- Hubble Space Telescope observed from January to October 2022
- Outburst observed in September 2021, reaching magnitude 18.9
- Future Mission Possibilities
- Direct flyby missions possible 2022-2029 with 12 km/s velocity
- Jupiter gravity assist missions possible 2020-2037
- Rendezvous missions possible 2030-2034 with 14-15 year duration