| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:46:43 |
| WDS: | RST3105 | WDS ID/Discoverer |
| P: | 247.872 | Orbital period (years) |
| a: | 0.842 | Semi-major axis (arcseconds) |
| i: | 132.8 | Inclination (degrees) |
| Ω: | 162.7 | Longitude of ascending node (degrees) |
| T: | 2024.331 | Epoch of periastron passage (year) |
| e: | 0.616 | Eccentricity |
| ω: | 296.6 | Longitude of periastron (degrees) |
| Start-Year: | 1902.0 | Year |
| End-Year: | 2148.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 172900.20-242011.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17290-2420 | WDS designation |
| Discoverer Code: | RST3105 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 158213 | HD catalog number |
| Hipparcos number: | 85548 | Hipparcos catalog number |
| V1: | 8.55 | Magnitude of the primary |
| V2: | 12.61 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 5 | 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 0.253 210.3 ------------------------- 1902.0 1.032 35.5 1903.0 1.034 35.0 1904.0 1.037 34.4 1905.0 1.040 33.9 1906.0 1.042 33.4 1907.0 1.045 32.9 1908.0 1.047 32.4 1909.0 1.050 31.9 1910.0 1.052 31.4 1911.0 1.054 30.9 1912.0 1.056 30.4 1913.0 1.058 29.9 1914.0 1.060 29.4 1915.0 1.062 28.9 1916.0 1.064 28.5 1917.0 1.066 28.0 1918.0 1.067 27.5 1919.0 1.069 27.0 1920.0 1.070 26.5 1921.0 1.071 26.0 1922.0 1.072 25.6 1923.0 1.074 25.1 1924.0 1.075 24.6 1925.0 1.075 24.1 1926.0 1.076 23.7 1927.0 1.077 23.2 1928.0 1.077 22.7 1929.0 1.078 22.2 1930.0 1.078 21.8 1931.0 1.079 21.3 1932.0 1.079 20.8 1933.0 1.079 20.3 1934.0 1.079 19.9 1935.0 1.078 19.4 1936.0 1.078 18.9 1937.0 1.077 18.4 1938.0 1.077 18.0 1939.0 1.076 17.5 1940.0 1.075 17.0 1941.0 1.074 16.5 1942.0 1.073 16.1 1943.0 1.072 15.6 1944.0 1.070 15.1 1945.0 1.069 14.6 1946.0 1.067 14.1 1947.0 1.065 13.6 1948.0 1.063 13.2 1949.0 1.061 12.7 1950.0 1.059 12.2 1951.0 1.057 11.7 1952.0 1.054 11.2 1953.0 1.051 10.7 1954.0 1.048 10.2 1955.0 1.045 9.7 1956.0 1.042 9.2 1957.0 1.038 8.7 1958.0 1.035 8.2 1959.0 1.031 7.7 1960.0 1.027 7.1 1961.0 1.023 6.6 1962.0 1.018 6.1 1963.0 1.014 5.5 1964.0 1.009 5.0 1965.0 1.004 4.5 1966.0 0.999 3.9 1967.0 0.993 3.4 1968.0 0.988 2.8 1969.0 0.982 2.2 1970.0 0.976 1.6 1971.0 0.969 1.1 1972.0 0.963 0.5 1973.0 0.956 359.9 1974.0 0.949 359.3 1975.0 0.941 358.7 1976.0 0.934 358.0 1977.0 0.926 357.4 1978.0 0.917 356.7 1979.0 0.909 356.1 1980.0 0.900 355.4 1981.0 0.891 354.7 1982.0 0.882 354.0 1983.0 0.872 353.3 1984.0 0.862 352.6 1985.0 0.851 351.8 1986.0 0.840 351.0 1987.0 0.829 350.3 1988.0 0.818 349.4 1989.0 0.806 348.6 1990.0 0.793 347.7 1991.0 0.781 346.8 1992.0 0.767 345.9 1993.0 0.754 345.0 1994.0 0.740 344.0 1995.0 0.725 343.0 1996.0 0.710 341.9 1997.0 0.695 340.8 1998.0 0.679 339.6 1999.0 0.662 338.4 2000.0 0.645 337.1 2001.0 0.627 335.7 2002.0 0.609 334.3 2003.0 0.590 332.7 2004.0 0.570 331.1 2005.0 0.550 329.4 2006.0 0.530 327.5 2007.0 0.508 325.4 2008.0 0.487 323.2 2009.0 0.464 320.8 2010.0 0.441 318.1 2011.0 0.418 315.1 2012.0 0.394 311.7 2013.0 0.371 308.0 2014.0 0.347 303.7 2015.0 0.324 298.8 2016.0 0.302 293.1 2017.0 0.281 286.6 2018.0 0.262 279.1 2019.0 0.246 270.6 2020.0 0.235 261.0 2021.0 0.228 250.7 2022.0 0.227 240.0 2023.0 0.231 229.4 2024.0 0.240 219.4 2025.0 0.253 210.3 2026.0 0.269 202.2 2027.0 0.287 195.1 2028.0 0.305 188.8 2029.0 0.324 183.2 2030.0 0.343 178.3 2031.0 0.361 173.8 2032.0 0.378 169.8 2033.0 0.394 166.1 2034.0 0.410 162.7 2035.0 0.424 159.5 2036.0 0.438 156.5 2037.0 0.450 153.7 2038.0 0.462 151.1 2039.0 0.473 148.6 2040.0 0.484 146.2 2041.0 0.494 143.9 2042.0 0.503 141.6 2043.0 0.512 139.5 2044.0 0.520 137.4 2045.0 0.528 135.4 2046.0 0.536 133.5 2047.0 0.543 131.6 2048.0 0.550 129.7 2049.0 0.557 127.9 2050.0 0.563 126.2 2051.0 0.569 124.5 2052.0 0.575 122.8 2053.0 0.581 121.1 2054.0 0.587 119.5 2055.0 0.593 117.9 2056.0 0.598 116.4 2057.0 0.604 114.8 2058.0 0.609 113.4 2059.0 0.615 111.9 2060.0 0.620 110.4 2061.0 0.625 109.0 2062.0 0.630 107.6 2063.0 0.636 106.2 2064.0 0.641 104.9 2065.0 0.646 103.6 2066.0 0.651 102.2 2067.0 0.656 101.0 2068.0 0.661 99.7 2069.0 0.666 98.4 2070.0 0.671 97.2 2071.0 0.676 96.0 2072.0 0.681 94.8 2073.0 0.686 93.6 2074.0 0.691 92.4 2075.0 0.696 91.3 2076.0 0.701 90.2 2077.0 0.706 89.1 2078.0 0.711 88.0 2079.0 0.716 86.9 2080.0 0.721 85.8 2081.0 0.726 84.8 2082.0 0.732 83.7 2083.0 0.737 82.7 2084.0 0.742 81.7 2085.0 0.747 80.7 2086.0 0.752 79.7 2087.0 0.757 78.7 2088.0 0.762 77.8 2089.0 0.767 76.8 2090.0 0.772 75.9 2091.0 0.777 75.0 2092.0 0.782 74.1 2093.0 0.787 73.2 2094.0 0.793 72.3 2095.0 0.798 71.4 2096.0 0.803 70.6 2097.0 0.808 69.7 2098.0 0.813 68.9 2099.0 0.818 68.1 2100.0 0.823 67.2 2101.0 0.828 66.4 2102.0 0.833 65.6 2103.0 0.838 64.8 2104.0 0.843 64.1 2105.0 0.848 63.3 2106.0 0.853 62.5 2107.0 0.858 61.8 2108.0 0.862 61.0 2109.0 0.867 60.3 2110.0 0.872 59.6 2111.0 0.877 58.8 2112.0 0.882 58.1 2113.0 0.887 57.4 2114.0 0.891 56.7 2115.0 0.896 56.0 2116.0 0.901 55.4 2117.0 0.905 54.7 2118.0 0.910 54.0 2119.0 0.914 53.4 2120.0 0.919 52.7 2121.0 0.923 52.0 2122.0 0.928 51.4 2123.0 0.932 50.8 2124.0 0.937 50.1 2125.0 0.941 49.5 2126.0 0.945 48.9 2127.0 0.950 48.3 2128.0 0.954 47.7 2129.0 0.958 47.1 2130.0 0.962 46.5 2131.0 0.966 45.9 2132.0 0.970 45.3 2133.0 0.974 44.7 2134.0 0.978 44.1 2135.0 0.982 43.5 2136.0 0.985 43.0 2137.0 0.989 42.4 2138.0 0.993 41.9 2139.0 0.996 41.3 2140.0 1.000 40.7 2141.0 1.004 40.2 2142.0 1.007 39.6 2143.0 1.010 39.1 2144.0 1.014 38.6 2145.0 1.017 38.0 2146.0 1.020 37.5 2147.0 1.023 37.0