| WDS: | HLD158 | WDS ID/Discoverer |
| P: | 232.400 | Orbital period (years) |
| a: | 0.858 | Semi-major axis (arcseconds) |
| i: | 128.6 | Inclination (degrees) |
| Ω: | 218.3 | Longitude of ascending node (degrees) |
| T: | 1961.160 | Epoch of periastron passage (year) |
| e: | 0.746 | Eccentricity |
| ω: | 17.7 | Longitude of periastron (degrees) |
| Start-Year: | 1908.8 | Year |
| End-Year: | 2141.2 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HLD158 |
||
| Position: | 202117.43+025021.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20213+0250 | WDS designation |
| Discoverer Code: | HLD158 | Discover designation and components |
| ADS number: | 13738 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 100355 | Hipparcos catalog number |
| V1: | 9.71 | Magnitude of the primary |
| V2: | 9.78 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2016 | 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: | Msn2017c | 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 1.291 39.10 -------------------------- 1908.80 0.984 7.93 1909.80 0.970 7.43 1910.80 0.956 6.92 1911.80 0.942 6.40 1912.80 0.928 5.85 1913.80 0.913 5.30 1914.80 0.899 4.72 1915.80 0.884 4.12 1916.80 0.868 3.50 1917.80 0.853 2.86 1918.80 0.837 2.20 1919.80 0.821 1.51 1920.80 0.805 0.80 1921.80 0.789 0.05 1922.80 0.772 359.27 1923.80 0.756 358.46 1924.80 0.739 357.61 1925.80 0.721 356.72 1926.80 0.704 355.79 1927.80 0.686 354.81 1928.80 0.668 353.78 1929.80 0.650 352.69 1930.80 0.632 351.53 1931.80 0.613 350.31 1932.80 0.595 349.01 1933.80 0.576 347.63 1934.80 0.557 346.15 1935.80 0.538 344.57 1936.80 0.518 342.87 1937.80 0.499 341.03 1938.80 0.480 339.05 1939.80 0.460 336.91 1940.80 0.441 334.57 1941.80 0.421 332.02 1942.80 0.402 329.23 1943.80 0.383 326.15 1944.80 0.365 322.77 1945.80 0.347 319.03 1946.80 0.330 314.89 1947.80 0.313 310.30 1948.80 0.298 305.23 1949.80 0.284 299.63 1950.80 0.272 293.48 1951.80 0.261 286.79 1952.80 0.252 279.58 1953.80 0.246 271.93 1954.80 0.241 263.91 1955.80 0.238 255.63 1956.80 0.236 247.17 1957.80 0.233 238.55 1958.80 0.230 229.73 1959.80 0.224 220.56 1960.80 0.216 210.78 1961.80 0.204 200.03 1962.80 0.192 187.95 1963.80 0.182 174.37 1964.80 0.177 159.62 1965.80 0.180 144.68 1966.80 0.191 130.79 1967.80 0.208 118.77 1968.80 0.230 108.84 1969.80 0.256 100.77 1970.80 0.283 94.22 1971.80 0.312 88.85 1972.80 0.341 84.39 1973.80 0.370 80.64 1974.80 0.399 77.43 1975.80 0.428 74.66 1976.80 0.456 72.24 1977.80 0.484 70.09 1978.80 0.512 68.18 1979.80 0.538 66.46 1980.80 0.565 64.90 1981.80 0.590 63.48 1982.80 0.615 62.18 1983.80 0.640 60.97 1984.80 0.664 59.86 1985.80 0.687 58.82 1986.80 0.710 57.85 1987.80 0.732 56.93 1988.80 0.754 56.08 1989.80 0.775 55.26 1990.80 0.796 54.50 1991.80 0.816 53.77 1992.80 0.836 53.07 1993.80 0.855 52.41 1994.80 0.874 51.78 1995.80 0.893 51.17 1996.80 0.911 50.59 1997.80 0.928 50.03 1998.80 0.946 49.49 1999.80 0.962 48.96 2000.80 0.979 48.46 2001.80 0.995 47.98 2002.80 1.011 47.50 2003.80 1.026 47.05 2004.80 1.041 46.60 2005.80 1.056 46.17 2006.80 1.070 45.75 2007.80 1.084 45.34 2008.80 1.098 44.95 2009.80 1.111 44.56 2010.80 1.124 44.18 2011.80 1.137 43.81 2012.80 1.149 43.45 2013.80 1.161 43.09 2014.80 1.173 42.74 2015.80 1.185 42.40 2016.80 1.196 42.07 2017.80 1.207 41.74 2018.80 1.218 41.42 2019.80 1.228 41.10 2020.80 1.238 40.79 2021.80 1.248 40.48 2022.80 1.258 40.18 2023.80 1.267 39.88 2024.80 1.277 39.59 2025.80 1.285 39.30 2026.80 1.294 39.02 2027.80 1.302 38.74 2028.80 1.311 38.46 2029.80 1.319 38.18 2030.80 1.326 37.91 2031.80 1.334 37.65 2032.80 1.341 37.38 2033.80 1.348 37.12 2034.80 1.355 36.86 2035.80 1.361 36.60 2036.80 1.367 36.35 2037.80 1.374 36.10 2038.80 1.379 35.85 2039.80 1.385 35.60 2040.80 1.391 35.35 2041.80 1.396 35.11 2042.80 1.401 34.87 2043.80 1.406 34.62 2044.80 1.410 34.39 2045.80 1.415 34.15 2046.80 1.419 33.91 2047.80 1.423 33.68 2048.80 1.427 33.44 2049.80 1.430 33.21 2050.80 1.434 32.98 2051.80 1.437 32.75 2052.80 1.440 32.52 2053.80 1.443 32.29 2054.80 1.445 32.07 2055.80 1.448 31.84 2056.80 1.450 31.62 2057.80 1.452 31.39 2058.80 1.454 31.17 2059.80 1.456 30.94 2060.80 1.457 30.72 2061.80 1.458 30.50 2062.80 1.460 30.27 2063.80 1.461 30.05 2064.80 1.461 29.83 2065.80 1.462 29.61 2066.80 1.462 29.39 2067.80 1.462 29.16 2068.80 1.462 28.94 2069.80 1.462 28.72 2070.80 1.462 28.50 2071.80 1.461 28.28 2072.80 1.461 28.06 2073.80 1.460 27.83 2074.80 1.459 27.61 2075.80 1.457 27.39 2076.80 1.456 27.16 2077.80 1.454 26.94 2078.80 1.453 26.72 2079.80 1.451 26.49 2080.80 1.449 26.27 2081.80 1.446 26.04 2082.80 1.444 25.81 2083.80 1.441 25.59 2084.80 1.438 25.36 2085.80 1.435 25.13 2086.80 1.432 24.90 2087.80 1.429 24.67 2088.80 1.425 24.43 2089.80 1.421 24.20 2090.80 1.418 23.96 2091.80 1.413 23.73 2092.80 1.409 23.49 2093.80 1.405 23.25 2094.80 1.400 23.01 2095.80 1.395 22.77 2096.80 1.390 22.52 2097.80 1.385 22.28 2098.80 1.380 22.03 2099.80 1.375 21.78 2100.80 1.369 21.53 2101.80 1.363 21.27 2102.80 1.357 21.02 2103.80 1.351 20.76 2104.80 1.344 20.50 2105.80 1.338 20.23 2106.80 1.331 19.97 2107.80 1.324 19.70 2108.80 1.317 19.43 2109.80 1.310 19.15 2110.80 1.302 18.88 2111.80 1.295 18.59 2112.80 1.287 18.31 2113.80 1.279 18.02 2114.80 1.271 17.73 2115.80 1.262 17.44 2116.80 1.254 17.14 2117.80 1.245 16.83 2118.80 1.236 16.52 2119.80 1.227 16.21 2120.80 1.218 15.90 2121.80 1.208 15.57 2122.80 1.198 15.25 2123.80 1.188 14.91 2124.80 1.178 14.57 2125.80 1.168 14.23 2126.80 1.157 13.88 2127.80 1.147 13.52 2128.80 1.136 13.16 2129.80 1.125 12.79 2130.80 1.114 12.41 2131.80 1.102 12.02 2132.80 1.090 11.63 2133.80 1.078 11.23 2134.80 1.066 10.81 2135.80 1.054 10.39 2136.80 1.042 9.96 2137.80 1.029 9.52 2138.80 1.016 9.07 2139.80 1.003 8.60 2140.80 0.989 8.12
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:14:24 |