HD 85390 b

HD 85390 b / Madalitso

Discovery
Discovered by	Mordasini et al. [1]
Discovery site	La Silla Observatory
Discovery date	October 19, 2009
Detection method	radial velocity (HARPS)
Orbital characteristics
Semi-major axis	1.54 AU (230,000,000 km)
Eccentricity	0.41 ± 0.12
Orbital period (sidereal)	781 d 2.14 y
Star	HD 85390

HD 85390 b (also known as HIP 48235 b) is an extrasolar planet which orbits the K-type main sequence star HD 85390, located approximately 106 light years away.

The planet HD 85390 b is named Madalitso. The name was selected in the NameExoWorlds campaign by Zambia, during the 100th anniversary of the IAU. Madalitso means blessings in the native language of Nyanja in Zambia. ^{[2] [3]}

References

1. Mordasini, C.; et al. (2011). "The HARPS search for southern extrasolar planets XXIV. Companions to HD 85390, HD 90156, and HD 103197: a Neptune analog and two intermediate-mass planets". Astronomy and Astrophysics. 526. A111. arXiv: 1010.0856 . Bibcode:2011A&A...526A.111M. doi:10.1051/0004-6361/200913521. S2CID   59062607.
2. "Approved names". NameExoworlds. Retrieved 2020-01-02.
3. "International Astronomical Union | IAU". www.iau.org. Archived from the original on 2022-12-05. Retrieved 2020-01-02.