HD 85426 c
| Discovery | |
|---|---|
| Discovered by | F. Lienhard |
| Discovery date | 2025 |
| Radial velocity | |
| Orbital characteristics | |
| 0.212 AU | |
| Eccentricity | 0.06 |
| 35.73 d | |
| Star | HD 85426 |
| Physical characteristics | |
| Mass | 10.3 M🜨 |
HD 85426 c is a Neptunian exoplanet, discovered in 2025, orbiting the G-type star HD 85426 (also known as TOI-1774) in the constellation Leo Minor.[1] It is located about 176 light-years from Earth.[2][3]
The planet completes a full orbit around its star in approximately 35.73 Earth days at an average distance of about 0.212 AU.
HD 85426 c as a mass of approximately 10.3 M🜨 and the equilibrium surface temperature is estimated to be 640 ± 9 K, or about 367 °C.
References
- ^ "HD 85426 c". NASA Exoplanet Catalog. Retrieved March 10, 2026.
- ^ "HD 85426 c Exoplanet Profile". Stellar Catalog. Retrieved March 10, 2026.
- ^ Lienhard, F.; Mortier, A.; Cameron, A. Collier; Cretignier, M.; Borsato, L.; John, A. Anna; Egger, J. A.; Stalport, M. G.; Wilson, T. G.; et al. (12 November 2025). "HARPS-N, TESS, and CHEOPS* discover a transiting sub-Neptune and two outer companions around the bright solar analogue HD 85426". Monthly Notices of the Royal Astronomical Society. 545 (3). Bibcode:2026MNRAS.545f1934L. doi:10.1093/mnras/staf1934.
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