GJ 3512
GJ 3512, aliter LP 90-18 et G 234-45, est stella constellationis Ursae Maioris, a nobis 31.856 s.l.a. distans, massa 0.12 tantum solaris. A planetis duobus (vel pluribus) circuitur, quorum unus (GJ 3512b) gigas gaseosus massam ad minimum 0.46 iovialem, orbitam eccentricam dierum 203.59 ± 0.14, alter (GJ 3512c) orbitam circiter 2 100 dierum habet.

Bibliographia 
 J. C. Morales et al., "A giant exoplanet orbiting a very-low-mass star challenges planet formation models" in Science Research vol. 365 (26 Septembris 2019) recensio praeliminaris
 Elisabeth R. Newton et al., "Near-infrared Metallicities, Radial Velocities, and Spectral Types for 447 Nearby M Dwarfs" in Astronomical Journal vol. 147 (2014) p. 20 sqq.
 Elisabeth R. Newton et al., "The Rotation and Galactic Kinematics of Mid M Dwarfs in the Solar Neighborhood" in Astrophysical Journal vol. 821 (2016): p. 93 sqq.

Nexus externi 

Ursa Maior (constellatio)
Systemata planetaria
3512