| Coord 2000 | 10255-6504 | Discov num | HDS1499 | Comp | Coord arcsec 2000 | 10 25 32.95 -65 03 58.6 | |||||
| Date first | 1991 | Date last | 2023 | Obs | 8 | ||||||
| Pa first | 91 | Pa last | 18.9 | P.A. Now (θ) | 156.2° | ||||||
| Sep first | 0.1 | Sep last | 0.04 | Sep. Now (ρ) | 0.032" | ||||||
| Mag pri | 9.81 | Mag sec | 11.39 | delta mag (ΔM) | 1.58 | Spectral class | G0 (yellow) | ||||
| Pri motion ra | +005 | Sec motion ra | |||||||||
| Pri motion dec | -018 | Sec motion dec | |||||||||
| Notes | O (Orbital solution) | ||||||||||
| Name | HD 307760 | Constellation | Carina | HIP | 51031 | Tycho2 | 8964-00348-1 | ||||
| Gaia DR2 | 5251336292412444928 | HD | 307760 | CP | CP-64 1285 | Distance | 109.29 | ||||
| Distance ly | 356.5 |
| Period (P) | 20.44y | ± 0.73 | Periastron (T) | 2022.053y | ± 0.055 | Semi-major axis (a) | 0.0815a | ± 0.0019 |
| Eccentricity (e) | 0.782 | ± 0.01 | Inclination (i) | 36.4° | ± 3.8 | Longitude of periastron (ω) | 132.9° | ± 5.4 |
| Node (Ω) | 130.1° | ± 4.7 | Notes | Reference | Tok2024c | |||
| Equinox | Last observation | Grade | 3 | (1=Definitive, 9=Indet.) |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.  Measures: green=micrometric, blue=interferometric, purple=photographic |
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