| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:00:12 |
| WDS: | RST2073 | WDS ID/Discoverer |
| P: | 243.500 | Orbital period (years) |
| a: | 0.406 | Semi-major axis (arcseconds) |
| i: | 128.0 | Inclination (degrees) |
| Ω: | 130.6 | Longitude of ascending node (degrees) |
| T: | 1983.000 | Epoch of periastron passage (year) |
| e: | 0.544 | Eccentricity |
| ω: | 214.0 | Longitude of periastron (degrees) |
| Start-Year: | 1904.0 | Year |
| End-Year: | 2146.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 184619.73-275457.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18464-2755 | WDS designation |
| Discoverer Code: | RST2073 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 173428 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 10.1 | Magnitude of the primary |
| V2: | 10.1 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.402 143.5 ------------------------- 1904.0 0.425 86.3 1905.0 0.420 85.6 1906.0 0.416 84.9 1907.0 0.411 84.2 1908.0 0.407 83.4 1909.0 0.402 82.7 1910.0 0.398 81.9 1911.0 0.393 81.1 1912.0 0.388 80.2 1913.0 0.384 79.4 1914.0 0.379 78.5 1915.0 0.374 77.6 1916.0 0.370 76.7 1917.0 0.365 75.8 1918.0 0.360 74.8 1919.0 0.355 73.9 1920.0 0.351 72.9 1921.0 0.346 71.8 1922.0 0.341 70.7 1923.0 0.336 69.7 1924.0 0.332 68.5 1925.0 0.327 67.4 1926.0 0.322 66.2 1927.0 0.318 64.9 1928.0 0.313 63.7 1929.0 0.308 62.4 1930.0 0.304 61.0 1931.0 0.299 59.6 1932.0 0.295 58.2 1933.0 0.290 56.7 1934.0 0.286 55.2 1935.0 0.282 53.7 1936.0 0.277 52.0 1937.0 0.273 50.4 1938.0 0.269 48.7 1939.0 0.265 46.9 1940.0 0.261 45.1 1941.0 0.258 43.2 1942.0 0.254 41.3 1943.0 0.251 39.3 1944.0 0.247 37.3 1945.0 0.244 35.2 1946.0 0.241 33.1 1947.0 0.238 30.9 1948.0 0.236 28.6 1949.0 0.233 26.4 1950.0 0.231 24.0 1951.0 0.229 21.6 1952.0 0.227 19.2 1953.0 0.225 16.7 1954.0 0.223 14.2 1955.0 0.222 11.7 1956.0 0.221 9.1 1957.0 0.220 6.5 1958.0 0.219 3.9 1959.0 0.218 1.3 1960.0 0.217 358.6 1961.0 0.217 356.0 1962.0 0.216 353.3 1963.0 0.216 350.6 1964.0 0.216 347.9 1965.0 0.215 345.2 1966.0 0.215 342.5 1967.0 0.215 339.7 1968.0 0.214 337.0 1969.0 0.213 334.2 1970.0 0.213 331.5 1971.0 0.212 328.7 1972.0 0.210 325.8 1973.0 0.208 323.0 1974.0 0.206 320.0 1975.0 0.204 317.0 1976.0 0.201 314.0 1977.0 0.197 310.8 1978.0 0.193 307.5 1979.0 0.189 304.0 1980.0 0.184 300.4 1981.0 0.178 296.5 1982.0 0.172 292.4 1983.0 0.166 288.0 1984.0 0.160 283.3 1985.0 0.154 278.2 1986.0 0.148 272.7 1987.0 0.143 266.7 1988.0 0.138 260.3 1989.0 0.134 253.5 1990.0 0.132 246.4 1991.0 0.131 239.1 1992.0 0.131 231.7 1993.0 0.133 224.5 1994.0 0.137 217.6 1995.0 0.141 211.0 1996.0 0.147 205.0 1997.0 0.154 199.4 1998.0 0.162 194.4 1999.0 0.170 189.8 2000.0 0.179 185.7 2001.0 0.188 181.9 2002.0 0.198 178.6 2003.0 0.208 175.5 2004.0 0.217 172.7 2005.0 0.227 170.2 2006.0 0.237 167.8 2007.0 0.247 165.7 2008.0 0.257 163.7 2009.0 0.267 161.9 2010.0 0.276 160.2 2011.0 0.286 158.6 2012.0 0.295 157.1 2013.0 0.305 155.7 2014.0 0.314 154.4 2015.0 0.323 153.1 2016.0 0.331 151.9 2017.0 0.340 150.8 2018.0 0.348 149.8 2019.0 0.357 148.7 2020.0 0.365 147.8 2021.0 0.372 146.8 2022.0 0.380 146.0 2023.0 0.388 145.1 2024.0 0.395 144.3 2025.0 0.402 143.5 2026.0 0.409 142.7 2027.0 0.416 142.0 2028.0 0.423 141.3 2029.0 0.429 140.6 2030.0 0.436 139.9 2031.0 0.442 139.2 2032.0 0.448 138.6 2033.0 0.454 138.0 2034.0 0.460 137.4 2035.0 0.465 136.8 2036.0 0.471 136.2 2037.0 0.476 135.7 2038.0 0.481 135.1 2039.0 0.486 134.6 2040.0 0.491 134.0 2041.0 0.495 133.5 2042.0 0.500 133.0 2043.0 0.504 132.5 2044.0 0.509 132.0 2045.0 0.513 131.5 2046.0 0.517 131.1 2047.0 0.521 130.6 2048.0 0.524 130.1 2049.0 0.528 129.7 2050.0 0.531 129.2 2051.0 0.535 128.8 2052.0 0.538 128.4 2053.0 0.541 127.9 2054.0 0.544 127.5 2055.0 0.547 127.1 2056.0 0.550 126.7 2057.0 0.552 126.2 2058.0 0.555 125.8 2059.0 0.557 125.4 2060.0 0.560 125.0 2061.0 0.562 124.6 2062.0 0.564 124.2 2063.0 0.566 123.8 2064.0 0.568 123.4 2065.0 0.569 123.0 2066.0 0.571 122.7 2067.0 0.573 122.3 2068.0 0.574 121.9 2069.0 0.575 121.5 2070.0 0.577 121.1 2071.0 0.578 120.8 2072.0 0.579 120.4 2073.0 0.580 120.0 2074.0 0.580 119.6 2075.0 0.581 119.3 2076.0 0.582 118.9 2077.0 0.582 118.5 2078.0 0.583 118.1 2079.0 0.583 117.8 2080.0 0.583 117.4 2081.0 0.584 117.0 2082.0 0.584 116.7 2083.0 0.584 116.3 2084.0 0.584 115.9 2085.0 0.583 115.6 2086.0 0.583 115.2 2087.0 0.583 114.8 2088.0 0.582 114.4 2089.0 0.582 114.1 2090.0 0.581 113.7 2091.0 0.581 113.3 2092.0 0.580 113.0 2093.0 0.579 112.6 2094.0 0.578 112.2 2095.0 0.577 111.8 2096.0 0.576 111.4 2097.0 0.575 111.1 2098.0 0.573 110.7 2099.0 0.572 110.3 2100.0 0.571 109.9 2101.0 0.569 109.5 2102.0 0.567 109.1 2103.0 0.566 108.7 2104.0 0.564 108.3 2105.0 0.562 107.9 2106.0 0.560 107.5 2107.0 0.558 107.1 2108.0 0.556 106.7 2109.0 0.554 106.3 2110.0 0.552 105.9 2111.0 0.550 105.5 2112.0 0.548 105.1 2113.0 0.545 104.7 2114.0 0.543 104.2 2115.0 0.540 103.8 2116.0 0.538 103.4 2117.0 0.535 102.9 2118.0 0.532 102.5 2119.0 0.529 102.1 2120.0 0.527 101.6 2121.0 0.524 101.1 2122.0 0.521 100.7 2123.0 0.518 100.2 2124.0 0.514 99.7 2125.0 0.511 99.3 2126.0 0.508 98.8 2127.0 0.505 98.3 2128.0 0.501 97.8 2129.0 0.498 97.3 2130.0 0.494 96.8 2131.0 0.491 96.3 2132.0 0.487 95.7 2133.0 0.484 95.2 2134.0 0.480 94.7 2135.0 0.476 94.1 2136.0 0.472 93.5 2137.0 0.468 93.0 2138.0 0.464 92.4 2139.0 0.460 91.8 2140.0 0.456 91.2 2141.0 0.452 90.6 2142.0 0.448 90.0 2143.0 0.444 89.3 2144.0 0.440 88.7 2145.0 0.436 88.0