| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:24:12 |
| WDS: | STF73AB | WDS ID/Discoverer |
| P: | 167.514 | Orbital period (years) |
| a: | 0.9837 | Semi-major axis (arcseconds) |
| i: | 44.57 | Inclination (degrees) |
| Ω: | 173.66 | Longitude of ascending node (degrees) |
| T: | 1956.191 | Epoch of periastron passage (year) |
| e: | 0.30603 | Eccentricity |
| ω: | 358.62 | Longitude of periastron (degrees) |
| Start-Year: | 1942.0 | Year |
| End-Year: | 2108.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 005458.02+233742.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00550+2338 | WDS designation |
| Discoverer Code: | STF73AB | Discover designation and components |
| ADS number: | 755 | Aitken Double Star catalog |
| HD number: | 5286 | HD catalog number |
| Hipparcos number: | 4288 | Hipparcos catalog number |
| V1: | 6.12 | Magnitude of the primary |
| V2: | 6.54 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | Date of last observation |
| Orbit grade: | 2 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.222 339.4 ------------------------- 1942.0 0.614 125.7 1943.0 0.619 129.4 1944.0 0.625 133.1 1945.0 0.631 136.6 1946.0 0.637 140.1 1947.0 0.644 143.6 1948.0 0.650 146.9 1949.0 0.656 150.3 1950.0 0.662 153.5 1951.0 0.667 156.7 1952.0 0.672 159.8 1953.0 0.676 162.9 1954.0 0.679 166.0 1955.0 0.681 169.1 1956.0 0.682 172.1 1957.0 0.683 175.1 1958.0 0.682 178.2 1959.0 0.680 181.2 1960.0 0.678 184.2 1961.0 0.675 187.3 1962.0 0.671 190.4 1963.0 0.666 193.6 1964.0 0.661 196.8 1965.0 0.655 200.1 1966.0 0.649 203.4 1967.0 0.643 206.8 1968.0 0.637 210.2 1969.0 0.632 213.7 1970.0 0.626 217.3 1971.0 0.622 220.9 1972.0 0.618 224.6 1973.0 0.614 228.3 1974.0 0.612 232.0 1975.0 0.611 235.8 1976.0 0.611 239.6 1977.0 0.612 243.4 1978.0 0.614 247.1 1979.0 0.617 250.9 1980.0 0.622 254.5 1981.0 0.628 258.2 1982.0 0.635 261.7 1983.0 0.644 265.1 1984.0 0.653 268.5 1985.0 0.664 271.8 1986.0 0.675 274.9 1987.0 0.687 277.9 1988.0 0.701 280.9 1989.0 0.714 283.7 1990.0 0.729 286.4 1991.0 0.744 289.0 1992.0 0.759 291.5 1993.0 0.775 293.9 1994.0 0.791 296.2 1995.0 0.808 298.4 1996.0 0.824 300.5 1997.0 0.841 302.6 1998.0 0.858 304.5 1999.0 0.875 306.4 2000.0 0.892 308.2 2001.0 0.908 309.9 2002.0 0.925 311.6 2003.0 0.941 313.2 2004.0 0.958 314.8 2005.0 0.974 316.3 2006.0 0.990 317.8 2007.0 1.005 319.2 2008.0 1.021 320.6 2009.0 1.036 321.9 2010.0 1.050 323.2 2011.0 1.065 324.5 2012.0 1.079 325.7 2013.0 1.092 326.9 2014.0 1.105 328.1 2015.0 1.118 329.2 2016.0 1.131 330.3 2017.0 1.143 331.4 2018.0 1.154 332.5 2019.0 1.165 333.5 2020.0 1.176 334.5 2021.0 1.186 335.6 2022.0 1.196 336.6 2023.0 1.205 337.5 2024.0 1.214 338.5 2025.0 1.222 339.4 2026.0 1.230 340.4 2027.0 1.237 341.3 2028.0 1.244 342.2 2029.0 1.250 343.1 2030.0 1.256 344.0 2031.0 1.261 344.9 2032.0 1.266 345.8 2033.0 1.270 346.7 2034.0 1.273 347.6 2035.0 1.277 348.4 2036.0 1.279 349.3 2037.0 1.281 350.2 2038.0 1.283 351.0 2039.0 1.284 351.9 2040.0 1.285 352.7 2041.0 1.285 353.6 2042.0 1.284 354.4 2043.0 1.283 355.3 2044.0 1.282 356.1 2045.0 1.279 357.0 2046.0 1.277 357.9 2047.0 1.274 358.7 2048.0 1.270 359.6 2049.0 1.266 0.5 2050.0 1.261 1.4 2051.0 1.256 2.3 2052.0 1.250 3.2 2053.0 1.244 4.1 2054.0 1.237 5.0 2055.0 1.230 5.9 2056.0 1.222 6.8 2057.0 1.214 7.8 2058.0 1.205 8.8 2059.0 1.196 9.7 2060.0 1.186 10.7 2061.0 1.176 11.7 2062.0 1.165 12.8 2063.0 1.154 13.8 2064.0 1.143 14.9 2065.0 1.131 16.0 2066.0 1.118 17.1 2067.0 1.105 18.2 2068.0 1.092 19.4 2069.0 1.078 20.6 2070.0 1.064 21.8 2071.0 1.049 23.1 2072.0 1.034 24.4 2073.0 1.019 25.7 2074.0 1.004 27.1 2075.0 0.988 28.5 2076.0 0.972 30.0 2077.0 0.955 31.5 2078.0 0.939 33.1 2079.0 0.922 34.7 2080.0 0.905 36.4 2081.0 0.888 38.2 2082.0 0.870 40.0 2083.0 0.853 41.9 2084.0 0.836 43.9 2085.0 0.819 45.9 2086.0 0.802 48.1 2087.0 0.785 50.3 2088.0 0.769 52.7 2089.0 0.752 55.1 2090.0 0.736 57.6 2091.0 0.721 60.3 2092.0 0.706 63.1 2093.0 0.692 66.0 2094.0 0.679 69.0 2095.0 0.666 72.1 2096.0 0.654 75.3 2097.0 0.644 78.7 2098.0 0.634 82.1 2099.0 0.626 85.7 2100.0 0.619 89.3 2101.0 0.613 93.0 2102.0 0.608 96.8 2103.0 0.605 100.7 2104.0 0.603 104.5 2105.0 0.603 108.4 2106.0 0.603 112.3 2107.0 0.605 116.1