Gliese 436 b

Gliese 436 b, aka GJ 436 b is a Neptune-sized extra-solar planet discovered using Keck Observatory in 2004. The star, Gliese 436 is a red dwarf. Characteristics:

• Leo - constellation.
• 11h42m11.09334s - right ascension.
• +26deg42m23.6508s - declination.
• Host star: Gliese 436 (GJ 436).
• Discovery: by the radial velocity method in 2004.
• 9.775 pc - distance.
• 0.028 AU - orbital radius (semi-major axis).
• 2.6 days - orbital period.
• 4.1 - radius(Earth).
• 21.36 - mass(Earth).
• 712 K - temperature (brightness temperature; it is a hot Neptune).