| 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: | 1941.2432487207134 | Year |
| End-Year: | 2108.7567512792866 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF73AB |
||
| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Mut2010b | 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 1.233 340.85 -------------------------- 1941.24 0.611 122.85 1942.24 0.615 126.60 1943.24 0.621 130.30 1944.24 0.626 133.93 1945.24 0.632 137.49 1946.24 0.639 140.98 1947.24 0.645 144.40 1948.24 0.652 147.76 1949.24 0.658 151.05 1950.24 0.663 154.28 1951.24 0.668 157.46 1952.24 0.673 160.60 1953.24 0.677 163.69 1954.24 0.680 166.76 1955.24 0.682 169.81 1956.24 0.683 172.84 1957.24 0.683 175.86 1958.24 0.682 178.89 1959.24 0.680 181.93 1960.24 0.677 185.00 1961.24 0.674 188.09 1962.24 0.669 191.21 1963.24 0.665 194.38 1964.24 0.659 197.60 1965.24 0.654 200.87 1966.24 0.648 204.21 1967.24 0.642 207.60 1968.24 0.636 211.06 1969.24 0.630 214.58 1970.24 0.625 218.16 1971.24 0.621 221.79 1972.24 0.617 225.48 1973.24 0.614 229.21 1974.24 0.612 232.96 1975.24 0.611 236.74 1976.24 0.611 240.53 1977.24 0.612 244.30 1978.24 0.615 248.05 1979.24 0.618 251.77 1980.24 0.623 255.43 1981.24 0.630 259.02 1982.24 0.637 262.54 1983.24 0.646 265.97 1984.24 0.656 269.30 1985.24 0.666 272.53 1986.24 0.678 275.65 1987.24 0.691 278.66 1988.24 0.704 281.57 1989.24 0.718 284.36 1990.24 0.732 287.04 1991.24 0.748 289.62 1992.24 0.763 292.09 1993.24 0.779 294.46 1994.24 0.795 296.74 1995.24 0.812 298.92 1996.24 0.828 301.02 1997.24 0.845 303.04 1998.24 0.862 304.97 1999.24 0.879 306.83 2000.24 0.896 308.62 2001.24 0.912 310.35 2002.24 0.929 312.01 2003.24 0.945 313.62 2004.24 0.962 315.17 2005.24 0.978 316.67 2006.24 0.994 318.12 2007.24 1.009 319.53 2008.24 1.024 320.89 2009.24 1.039 322.22 2010.24 1.054 323.51 2011.24 1.068 324.76 2012.24 1.082 325.98 2013.24 1.096 327.17 2014.24 1.109 328.33 2015.24 1.121 329.46 2016.24 1.134 330.57 2017.24 1.145 331.66 2018.24 1.157 332.72 2019.24 1.168 333.77 2020.24 1.178 334.79 2021.24 1.188 335.80 2022.24 1.198 336.79 2023.24 1.207 337.77 2024.24 1.216 338.73 2025.24 1.224 339.68 2026.24 1.231 340.61 2027.24 1.238 341.54 2028.24 1.245 342.45 2029.24 1.251 343.36 2030.24 1.257 344.25 2031.24 1.262 345.14 2032.24 1.267 346.03 2033.24 1.271 346.90 2034.24 1.274 347.77 2035.24 1.277 348.64 2036.24 1.280 349.50 2037.24 1.282 350.36 2038.24 1.283 351.22 2039.24 1.284 352.07 2040.24 1.285 352.93 2041.24 1.285 353.78 2042.24 1.284 354.64 2043.24 1.283 355.50 2044.24 1.281 356.35 2045.24 1.279 357.21 2046.24 1.276 358.08 2047.24 1.273 358.95 2048.24 1.269 359.82 2049.24 1.265 0.70 2050.24 1.260 1.58 2051.24 1.255 2.48 2052.24 1.249 3.38 2053.24 1.242 4.28 2054.24 1.236 5.20 2055.24 1.228 6.13 2056.24 1.220 7.07 2057.24 1.212 8.03 2058.24 1.203 8.99 2059.24 1.194 9.98 2060.24 1.184 10.97 2061.24 1.174 11.99 2062.24 1.163 13.02 2063.24 1.151 14.08 2064.24 1.140 15.15 2065.24 1.128 16.25 2066.24 1.115 17.37 2067.24 1.102 18.52 2068.24 1.088 19.69 2069.24 1.075 20.90 2070.24 1.060 22.14 2071.24 1.046 23.41 2072.24 1.031 24.72 2073.24 1.015 26.06 2074.24 1.000 27.45 2075.24 0.984 28.89 2076.24 0.968 30.37 2077.24 0.951 31.90 2078.24 0.934 33.49 2079.24 0.918 35.13 2080.24 0.901 36.84 2081.24 0.883 38.61 2082.24 0.866 40.46 2083.24 0.849 42.37 2084.24 0.832 44.37 2085.24 0.815 46.45 2086.24 0.798 48.62 2087.24 0.781 50.88 2088.24 0.765 53.25 2089.24 0.748 55.71 2090.24 0.733 58.28 2091.24 0.717 60.97 2092.24 0.703 63.77 2093.24 0.689 66.68 2094.24 0.676 69.71 2095.24 0.663 72.86 2096.24 0.652 76.13 2097.24 0.641 79.50 2098.24 0.632 82.98 2099.24 0.624 86.56 2100.24 0.617 90.22 2101.24 0.612 93.96 2102.24 0.608 97.75 2103.24 0.605 101.59 2104.24 0.603 105.46 2105.24 0.603 109.35 2106.24 0.604 113.22 2107.24 0.606 117.08 2108.24 0.609 120.90
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:45:01 |