| WDS: | STT170AB | WDS ID/Discoverer |
| P: | 289.200 | Orbital period (years) |
| a: | 1.366 | Semi-major axis (arcseconds) |
| i: | 109.5 | Inclination (degrees) |
| Ω: | 93.3 | Longitude of ascending node (degrees) |
| T: | 2015.270 | Epoch of periastron passage (year) |
| e: | 0.52 | Eccentricity |
| ω: | 124.7 | Longitude of periastron (degrees) |
| Start-Year: | 1880.4 | Year |
| End-Year: | 2169.6 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STT170AB |
||
| Position: | 071738.51+091731.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 07176+0918 | WDS designation |
| Discoverer Code: | STT170AB | Discover designation and components |
| ADS number: | 5958 | Aitken Double Star catalog |
| HD number: | 56515 | HD catalog number |
| Hipparcos number: | 35310 | Hipparcos catalog number |
| V1: | 7.37 | Magnitude of the primary |
| V2: | 7.67 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Sca2018e | 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 0.733 275.83 -------------------------- 1880.40 1.413 115.57 1881.40 1.423 115.24 1882.40 1.432 114.91 1883.40 1.441 114.59 1884.40 1.451 114.28 1885.40 1.460 113.96 1886.40 1.468 113.65 1887.40 1.477 113.35 1888.40 1.486 113.05 1889.40 1.494 112.75 1890.40 1.502 112.45 1891.40 1.510 112.16 1892.40 1.518 111.87 1893.40 1.526 111.59 1894.40 1.533 111.30 1895.40 1.541 111.02 1896.40 1.548 110.75 1897.40 1.555 110.47 1898.40 1.562 110.20 1899.40 1.568 109.93 1900.40 1.575 109.66 1901.40 1.581 109.39 1902.40 1.587 109.13 1903.40 1.592 108.87 1904.40 1.598 108.61 1905.40 1.603 108.35 1906.40 1.609 108.09 1907.40 1.613 107.84 1908.40 1.618 107.58 1909.40 1.623 107.33 1910.40 1.627 107.08 1911.40 1.631 106.83 1912.40 1.635 106.58 1913.40 1.638 106.33 1914.40 1.642 106.09 1915.40 1.645 105.84 1916.40 1.648 105.60 1917.40 1.650 105.35 1918.40 1.652 105.11 1919.40 1.655 104.87 1920.40 1.656 104.63 1921.40 1.658 104.39 1922.40 1.659 104.15 1923.40 1.660 103.91 1924.40 1.661 103.66 1925.40 1.661 103.42 1926.40 1.662 103.19 1927.40 1.661 102.95 1928.40 1.661 102.71 1929.40 1.660 102.47 1930.40 1.659 102.22 1931.40 1.658 101.98 1932.40 1.656 101.74 1933.40 1.654 101.50 1934.40 1.652 101.26 1935.40 1.650 101.02 1936.40 1.647 100.77 1937.40 1.643 100.53 1938.40 1.640 100.28 1939.40 1.636 100.03 1940.40 1.632 99.79 1941.40 1.627 99.54 1942.40 1.622 99.29 1943.40 1.616 99.03 1944.40 1.611 98.78 1945.40 1.605 98.52 1946.40 1.598 98.26 1947.40 1.591 98.00 1948.40 1.584 97.74 1949.40 1.576 97.48 1950.40 1.568 97.21 1951.40 1.559 96.94 1952.40 1.550 96.66 1953.40 1.541 96.39 1954.40 1.531 96.10 1955.40 1.520 95.82 1956.40 1.509 95.53 1957.40 1.498 95.24 1958.40 1.486 94.94 1959.40 1.474 94.64 1960.40 1.461 94.33 1961.40 1.447 94.02 1962.40 1.433 93.70 1963.40 1.419 93.37 1964.40 1.404 93.04 1965.40 1.388 92.70 1966.40 1.372 92.35 1967.40 1.356 92.00 1968.40 1.338 91.63 1969.40 1.320 91.26 1970.40 1.302 90.87 1971.40 1.283 90.48 1972.40 1.263 90.07 1973.40 1.242 89.64 1974.40 1.221 89.21 1975.40 1.199 88.76 1976.40 1.177 88.29 1977.40 1.153 87.80 1978.40 1.129 87.29 1979.40 1.105 86.76 1980.40 1.079 86.20 1981.40 1.053 85.62 1982.40 1.026 85.01 1983.40 0.998 84.36 1984.40 0.969 83.68 1985.40 0.940 82.95 1986.40 0.910 82.17 1987.40 0.879 81.35 1988.40 0.847 80.46 1989.40 0.814 79.50 1990.40 0.781 78.46 1991.40 0.747 77.32 1992.40 0.712 76.07 1993.40 0.676 74.70 1994.40 0.640 73.17 1995.40 0.603 71.45 1996.40 0.566 69.51 1997.40 0.528 67.30 1998.40 0.490 64.74 1999.40 0.453 61.75 2000.40 0.415 58.23 2001.40 0.379 54.02 2002.40 0.344 48.93 2003.40 0.311 42.74 2004.40 0.282 35.20 2005.40 0.259 26.09 2006.40 0.242 15.43 2007.40 0.233 3.59 2008.40 0.234 351.39 2009.40 0.245 339.78 2010.40 0.264 329.48 2011.40 0.289 320.75 2012.40 0.318 313.53 2013.40 0.350 307.58 2014.40 0.384 302.66 2015.40 0.419 298.54 2016.40 0.454 295.06 2017.40 0.488 292.06 2018.40 0.521 289.46 2019.40 0.553 287.16 2020.40 0.584 285.11 2021.40 0.613 283.26 2022.40 0.640 281.58 2023.40 0.666 280.02 2024.40 0.689 278.58 2025.40 0.711 277.23 2026.40 0.731 275.96 2027.40 0.749 274.75 2028.40 0.765 273.59 2029.40 0.780 272.48 2030.40 0.792 271.41 2031.40 0.803 270.37 2032.40 0.813 269.35 2033.40 0.821 268.36 2034.40 0.828 267.39 2035.40 0.833 266.43 2036.40 0.837 265.48 2037.40 0.840 264.54 2038.40 0.842 263.60 2039.40 0.843 262.67 2040.40 0.843 261.74 2041.40 0.842 260.81 2042.40 0.840 259.87 2043.40 0.837 258.93 2044.40 0.834 257.98 2045.40 0.830 257.02 2046.40 0.826 256.06 2047.40 0.820 255.08 2048.40 0.815 254.09 2049.40 0.809 253.08 2050.40 0.802 252.06 2051.40 0.795 251.02 2052.40 0.788 249.97 2053.40 0.780 248.89 2054.40 0.773 247.79 2055.40 0.764 246.67 2056.40 0.756 245.53 2057.40 0.748 244.35 2058.40 0.739 243.16 2059.40 0.731 241.93 2060.40 0.722 240.68 2061.40 0.713 239.39 2062.40 0.705 238.07 2063.40 0.696 236.72 2064.40 0.687 235.34 2065.40 0.679 233.92 2066.40 0.670 232.46 2067.40 0.662 230.97 2068.40 0.654 229.44 2069.40 0.646 227.88 2070.40 0.639 226.27 2071.40 0.631 224.63 2072.40 0.624 222.95 2073.40 0.618 221.23 2074.40 0.611 219.48 2075.40 0.605 217.69 2076.40 0.600 215.87 2077.40 0.595 214.01 2078.40 0.590 212.12 2079.40 0.586 210.20 2080.40 0.582 208.26 2081.40 0.579 206.30 2082.40 0.576 204.31 2083.40 0.574 202.31 2084.40 0.572 200.29 2085.40 0.571 198.26 2086.40 0.571 196.23 2087.40 0.571 194.20 2088.40 0.571 192.17 2089.40 0.573 190.14 2090.40 0.574 188.13 2091.40 0.577 186.13 2092.40 0.580 184.15 2093.40 0.583 182.19 2094.40 0.587 180.25 2095.40 0.592 178.35 2096.40 0.597 176.47 2097.40 0.602 174.63 2098.40 0.608 172.82 2099.40 0.615 171.05 2100.40 0.622 169.32 2101.40 0.629 167.63 2102.40 0.637 165.97 2103.40 0.645 164.36 2104.40 0.654 162.79 2105.40 0.663 161.26 2106.40 0.672 159.78 2107.40 0.682 158.33 2108.40 0.691 156.92 2109.40 0.702 155.56 2110.40 0.712 154.23 2111.40 0.723 152.94 2112.40 0.733 151.69 2113.40 0.745 150.48 2114.40 0.756 149.31 2115.40 0.767 148.16 2116.40 0.779 147.06 2117.40 0.791 145.98 2118.40 0.803 144.94 2119.40 0.815 143.92 2120.40 0.827 142.94 2121.40 0.839 141.99 2122.40 0.852 141.06 2123.40 0.864 140.16 2124.40 0.877 139.29 2125.40 0.889 138.44 2126.40 0.902 137.61 2127.40 0.915 136.81 2128.40 0.927 136.03 2129.40 0.940 135.27 2130.40 0.953 134.53 2131.40 0.966 133.81 2132.40 0.978 133.11 2133.40 0.991 132.42 2134.40 1.004 131.76 2135.40 1.017 131.11 2136.40 1.030 130.48 2137.40 1.042 129.86 2138.40 1.055 129.26 2139.40 1.068 128.67 2140.40 1.080 128.09 2141.40 1.093 127.53 2142.40 1.105 126.98 2143.40 1.118 126.45 2144.40 1.130 125.92 2145.40 1.143 125.41 2146.40 1.155 124.91 2147.40 1.167 124.42 2148.40 1.179 123.94 2149.40 1.191 123.47 2150.40 1.203 123.00 2151.40 1.215 122.55 2152.40 1.227 122.11 2153.40 1.239 121.67 2154.40 1.250 121.24 2155.40 1.262 120.82 2156.40 1.273 120.41 2157.40 1.285 120.01 2158.40 1.296 119.61 2159.40 1.307 119.22 2160.40 1.318 118.83 2161.40 1.329 118.46 2162.40 1.340 118.08 2163.40 1.350 117.72 2164.40 1.361 117.36 2165.40 1.371 117.00 2166.40 1.381 116.65 2167.40 1.391 116.31 2168.40 1.401 115.97 2169.40 1.411 115.63
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:56:23 |