| WDS: | B2771 | WDS ID/Discoverer |
| P: | 107.000 | Orbital period (years) |
| a: | 0.51 | Semi-major axis (arcseconds) |
| i: | 38.9 | Inclination (degrees) |
| Ω: | 56.0 | Longitude of ascending node (degrees) |
| T: | 2022.370 | Epoch of periastron passage (year) |
| e: | 0.717 | Eccentricity |
| ω: | 177.3 | Longitude of periastron (degrees) |
| Start-Year: | 1971.5 | Year |
| End-Year: | 2078.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for B2771 |
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| Position: | 144246.43-725532.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 14428-7256 | WDS designation |
| Discoverer Code: | B2771 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 10.5 | Magnitude of the primary |
| V2: | 11.7 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2024 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2024b | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.182 315.86 -------------------------- 1971.50 0.874 55.53 1972.50 0.873 56.15 1973.50 0.871 56.78 1974.50 0.869 57.40 1975.50 0.866 58.03 1976.50 0.863 58.67 1977.50 0.859 59.31 1978.50 0.854 59.96 1979.50 0.850 60.61 1980.50 0.844 61.27 1981.50 0.838 61.94 1982.50 0.832 62.62 1983.50 0.825 63.32 1984.50 0.817 64.02 1985.50 0.809 64.74 1986.50 0.801 65.47 1987.50 0.792 66.22 1988.50 0.782 66.99 1989.50 0.772 67.77 1990.50 0.761 68.58 1991.50 0.749 69.41 1992.50 0.737 70.27 1993.50 0.724 71.16 1994.50 0.711 72.08 1995.50 0.697 73.04 1996.50 0.682 74.04 1997.50 0.667 75.08 1998.50 0.651 76.18 1999.50 0.634 77.33 2000.50 0.617 78.54 2001.50 0.598 79.83 2002.50 0.579 81.20 2003.50 0.559 82.66 2004.50 0.539 84.24 2005.50 0.517 85.94 2006.50 0.495 87.79 2007.50 0.472 89.83 2008.50 0.447 92.07 2009.50 0.422 94.58 2010.50 0.396 97.42 2011.50 0.369 100.66 2012.50 0.342 104.42 2013.50 0.313 108.85 2014.50 0.284 114.18 2015.50 0.255 120.73 2016.50 0.226 128.95 2017.50 0.199 139.49 2018.50 0.175 153.13 2019.50 0.157 170.47 2020.50 0.147 191.25 2021.50 0.144 213.94 2022.50 0.144 236.86 2023.50 0.147 259.32 2024.50 0.152 280.72 2025.50 0.164 299.88 2026.50 0.182 315.86 2027.50 0.205 328.61 2028.50 0.231 338.65 2029.50 0.258 346.63 2030.50 0.286 353.06 2031.50 0.314 358.36 2032.50 0.341 2.80 2033.50 0.368 6.58 2034.50 0.394 9.86 2035.50 0.419 12.74 2036.50 0.443 15.29 2037.50 0.467 17.58 2038.50 0.490 19.66 2039.50 0.512 21.55 2040.50 0.533 23.29 2041.50 0.553 24.90 2042.50 0.573 26.39 2043.50 0.592 27.79 2044.50 0.610 29.11 2045.50 0.628 30.35 2046.50 0.644 31.52 2047.50 0.660 32.63 2048.50 0.676 33.70 2049.50 0.690 34.72 2050.50 0.705 35.69 2051.50 0.718 36.63 2052.50 0.731 37.53 2053.50 0.743 38.41 2054.50 0.755 39.25 2055.50 0.766 40.08 2056.50 0.776 40.87 2057.50 0.786 41.65 2058.50 0.796 42.41 2059.50 0.804 43.15 2060.50 0.813 43.88 2061.50 0.821 44.59 2062.50 0.828 45.29 2063.50 0.834 45.98 2064.50 0.841 46.65 2065.50 0.846 47.32 2066.50 0.851 47.98 2067.50 0.856 48.63 2068.50 0.860 49.27 2069.50 0.864 49.91 2070.50 0.867 50.55 2071.50 0.870 51.18 2072.50 0.872 51.80 2073.50 0.873 52.43 2074.50 0.875 53.05 2075.50 0.875 53.67 2076.50 0.875 54.29 2077.50 0.875 54.91
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:08:07 |