Beta Ursae Minoris
Star
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Kochab, Bayer designation Beta Ursae Minoris, is the brightest star in the bowl of the Little Dipper asterism, and only slightly fainter than Polaris, the northern pole star and brightest star in Ursa Minor. Kochab is 16 degrees from Polaris and... Wikipedia
Spectral type: K4 III
Magnitude: 2.08
Constellation: Ursa Minor
Surface temperature: 4,030 K
Luminosity: 390 L☉
Mass: 4.376 × 10^30 kg (2.2 M☉)
Radius: 18.182 million mi