| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:20:43 |
| WDS: | STT12 | WDS ID/Discoverer |
| P: | 245.700 | Orbital period (years) |
| a: | 0.448 | Semi-major axis (arcseconds) |
| i: | 53.6 | Inclination (degrees) |
| Ω: | 17.6 | Longitude of ascending node (degrees) |
| T: | 2025.540 | Epoch of periastron passage (year) |
| e: | 0.689 | Eccentricity |
| ω: | 301.0 | Longitude of periastron (degrees) |
| Start-Year: | 1903.0 | Year |
| End-Year: | 2147.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 003146.32+543120.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00318+5431 | WDS designation |
| Discoverer Code: | STT12 | Discover designation and components |
| ADS number: | 434 | Aitken Double Star catalog |
| HD number: | 2772 | HD catalog number |
| Hipparcos number: | 2505 | Hipparcos catalog number |
| V1: | 5.33 | Magnitude of the primary |
| V2: | 5.62 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2010 | Date of last observation |
| Orbit grade: | 3 | 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 0.096 325.9 ------------------------- 1903.0 0.548 153.1 1904.0 0.550 153.5 1905.0 0.552 153.9 1906.0 0.554 154.3 1907.0 0.556 154.7 1908.0 0.557 155.2 1909.0 0.559 155.6 1910.0 0.561 156.0 1911.0 0.562 156.4 1912.0 0.564 156.8 1913.0 0.565 157.2 1914.0 0.567 157.6 1915.0 0.568 157.9 1916.0 0.569 158.3 1917.0 0.571 158.7 1918.0 0.572 159.1 1919.0 0.573 159.5 1920.0 0.574 159.9 1921.0 0.575 160.3 1922.0 0.576 160.7 1923.0 0.577 161.0 1924.0 0.578 161.4 1925.0 0.579 161.8 1926.0 0.580 162.2 1927.0 0.580 162.5 1928.0 0.581 162.9 1929.0 0.582 163.3 1930.0 0.582 163.7 1931.0 0.582 164.0 1932.0 0.583 164.4 1933.0 0.583 164.8 1934.0 0.583 165.2 1935.0 0.584 165.5 1936.0 0.584 165.9 1937.0 0.584 166.3 1938.0 0.584 166.6 1939.0 0.584 167.0 1940.0 0.584 167.4 1941.0 0.583 167.8 1942.0 0.583 168.1 1943.0 0.583 168.5 1944.0 0.582 168.9 1945.0 0.582 169.2 1946.0 0.581 169.6 1947.0 0.580 170.0 1948.0 0.580 170.4 1949.0 0.579 170.7 1950.0 0.578 171.1 1951.0 0.577 171.5 1952.0 0.576 171.9 1953.0 0.574 172.3 1954.0 0.573 172.7 1955.0 0.572 173.0 1956.0 0.570 173.4 1957.0 0.569 173.8 1958.0 0.567 174.2 1959.0 0.565 174.6 1960.0 0.563 175.0 1961.0 0.562 175.4 1962.0 0.559 175.8 1963.0 0.557 176.2 1964.0 0.555 176.6 1965.0 0.553 177.0 1966.0 0.550 177.4 1967.0 0.548 177.9 1968.0 0.545 178.3 1969.0 0.542 178.7 1970.0 0.539 179.1 1971.0 0.536 179.6 1972.0 0.533 180.0 1973.0 0.529 180.5 1974.0 0.526 180.9 1975.0 0.522 181.4 1976.0 0.518 181.9 1977.0 0.514 182.3 1978.0 0.510 182.8 1979.0 0.506 183.3 1980.0 0.502 183.8 1981.0 0.497 184.3 1982.0 0.492 184.8 1983.0 0.488 185.4 1984.0 0.482 185.9 1985.0 0.477 186.4 1986.0 0.472 187.0 1987.0 0.466 187.6 1988.0 0.460 188.2 1989.0 0.454 188.8 1990.0 0.448 189.4 1991.0 0.441 190.0 1992.0 0.435 190.7 1993.0 0.428 191.4 1994.0 0.421 192.1 1995.0 0.413 192.8 1996.0 0.405 193.6 1997.0 0.397 194.3 1998.0 0.389 195.2 1999.0 0.380 196.0 2000.0 0.372 196.9 2001.0 0.362 197.9 2002.0 0.353 198.8 2003.0 0.343 199.9 2004.0 0.332 201.0 2005.0 0.322 202.2 2006.0 0.311 203.4 2007.0 0.299 204.8 2008.0 0.287 206.3 2009.0 0.274 207.9 2010.0 0.261 209.7 2011.0 0.248 211.6 2012.0 0.234 213.8 2013.0 0.220 216.2 2014.0 0.205 219.1 2015.0 0.189 222.3 2016.0 0.174 226.2 2017.0 0.158 230.8 2018.0 0.142 236.5 2019.0 0.126 243.5 2020.0 0.112 252.5 2021.0 0.100 263.9 2022.0 0.091 278.1 2023.0 0.087 294.2 2024.0 0.089 310.8 2025.0 0.096 325.9 2026.0 0.106 338.4 2027.0 0.118 348.5 2028.0 0.131 356.7 2029.0 0.143 3.4 2030.0 0.155 9.1 2031.0 0.166 14.0 2032.0 0.175 18.4 2033.0 0.184 22.3 2034.0 0.192 25.9 2035.0 0.199 29.2 2036.0 0.205 32.3 2037.0 0.210 35.2 2038.0 0.216 38.0 2039.0 0.220 40.7 2040.0 0.224 43.2 2041.0 0.228 45.7 2042.0 0.232 48.1 2043.0 0.235 50.4 2044.0 0.239 52.7 2045.0 0.242 54.9 2046.0 0.245 57.0 2047.0 0.247 59.1 2048.0 0.250 61.1 2049.0 0.253 63.1 2050.0 0.256 65.1 2051.0 0.258 67.0 2052.0 0.261 68.9 2053.0 0.264 70.7 2054.0 0.266 72.5 2055.0 0.269 74.3 2056.0 0.272 76.0 2057.0 0.274 77.7 2058.0 0.277 79.4 2059.0 0.280 81.0 2060.0 0.283 82.6 2061.0 0.285 84.2 2062.0 0.288 85.7 2063.0 0.291 87.2 2064.0 0.294 88.7 2065.0 0.297 90.1 2066.0 0.300 91.6 2067.0 0.303 92.9 2068.0 0.306 94.3 2069.0 0.309 95.6 2070.0 0.312 97.0 2071.0 0.315 98.2 2072.0 0.318 99.5 2073.0 0.322 100.7 2074.0 0.325 101.9 2075.0 0.328 103.1 2076.0 0.331 104.3 2077.0 0.335 105.4 2078.0 0.338 106.6 2079.0 0.341 107.7 2080.0 0.345 108.7 2081.0 0.348 109.8 2082.0 0.351 110.8 2083.0 0.355 111.8 2084.0 0.358 112.8 2085.0 0.361 113.8 2086.0 0.365 114.8 2087.0 0.368 115.7 2088.0 0.372 116.6 2089.0 0.375 117.5 2090.0 0.379 118.4 2091.0 0.382 119.3 2092.0 0.385 120.2 2093.0 0.389 121.0 2094.0 0.392 121.8 2095.0 0.396 122.6 2096.0 0.399 123.4 2097.0 0.403 124.2 2098.0 0.406 125.0 2099.0 0.409 125.8 2100.0 0.413 126.5 2101.0 0.416 127.3 2102.0 0.419 128.0 2103.0 0.423 128.7 2104.0 0.426 129.4 2105.0 0.429 130.1 2106.0 0.433 130.8 2107.0 0.436 131.4 2108.0 0.439 132.1 2109.0 0.443 132.8 2110.0 0.446 133.4 2111.0 0.449 134.0 2112.0 0.452 134.6 2113.0 0.455 135.3 2114.0 0.458 135.9 2115.0 0.462 136.5 2116.0 0.465 137.1 2117.0 0.468 137.6 2118.0 0.471 138.2 2119.0 0.474 138.8 2120.0 0.477 139.3 2121.0 0.480 139.9 2122.0 0.483 140.4 2123.0 0.486 141.0 2124.0 0.488 141.5 2125.0 0.491 142.0 2126.0 0.494 142.6 2127.0 0.497 143.1 2128.0 0.500 143.6 2129.0 0.502 144.1 2130.0 0.505 144.6 2131.0 0.508 145.1 2132.0 0.510 145.6 2133.0 0.513 146.0 2134.0 0.515 146.5 2135.0 0.518 147.0 2136.0 0.520 147.5 2137.0 0.523 147.9 2138.0 0.525 148.4 2139.0 0.528 148.9 2140.0 0.530 149.3 2141.0 0.532 149.8 2142.0 0.534 150.2 2143.0 0.537 150.6 2144.0 0.539 151.1 2145.0 0.541 151.5 2146.0 0.543 151.9