| WDS: | A831 | WDS ID/Discoverer |
| P: | 300.000 | Orbital period (years) |
| a: | 0.501 | Semi-major axis (arcseconds) |
| i: | 63.2 | Inclination (degrees) |
| Ω: | 174.1 | Longitude of ascending node (degrees) |
| T: | 2047.170 | Epoch of periastron passage (year) |
| e: | 0.139 | Eccentricity |
| ω: | 314.4 | Longitude of periastron (degrees) |
| Start-Year: | 1875.0 | Year |
| End-Year: | 2175.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A831 |
||
| Position: | 034851.57+114231.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03489+1143 | WDS designation |
| Discoverer Code: | A831 | Discover designation and components |
| ADS number: | 2785 | Aitken Double Star catalog |
| HD number: | 23874 | HD catalog number |
| Hipparcos number: | 17826 | Hipparcos catalog number |
| V1: | 8.54 | Magnitude of the primary |
| V2: | 10.00 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2023a | 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 0.214 108.77 -------------------------- 1875.00 0.327 308.68 1876.00 0.332 309.92 1877.00 0.337 311.12 1878.00 0.342 312.29 1879.00 0.347 313.42 1880.00 0.352 314.52 1881.00 0.358 315.59 1882.00 0.363 316.62 1883.00 0.368 317.63 1884.00 0.373 318.61 1885.00 0.378 319.56 1886.00 0.384 320.49 1887.00 0.389 321.39 1888.00 0.394 322.27 1889.00 0.399 323.12 1890.00 0.404 323.96 1891.00 0.409 324.77 1892.00 0.414 325.56 1893.00 0.419 326.34 1894.00 0.424 327.09 1895.00 0.429 327.83 1896.00 0.434 328.55 1897.00 0.439 329.26 1898.00 0.443 329.95 1899.00 0.448 330.63 1900.00 0.453 331.29 1901.00 0.457 331.94 1902.00 0.461 332.58 1903.00 0.466 333.20 1904.00 0.470 333.82 1905.00 0.474 334.42 1906.00 0.478 335.01 1907.00 0.482 335.60 1908.00 0.486 336.17 1909.00 0.490 336.74 1910.00 0.494 337.29 1911.00 0.497 337.84 1912.00 0.501 338.38 1913.00 0.504 338.91 1914.00 0.507 339.44 1915.00 0.510 339.96 1916.00 0.513 340.47 1917.00 0.516 340.98 1918.00 0.519 341.48 1919.00 0.522 341.98 1920.00 0.524 342.47 1921.00 0.527 342.96 1922.00 0.529 343.44 1923.00 0.531 343.92 1924.00 0.533 344.39 1925.00 0.535 344.86 1926.00 0.537 345.33 1927.00 0.539 345.80 1928.00 0.540 346.26 1929.00 0.542 346.72 1930.00 0.543 347.17 1931.00 0.544 347.63 1932.00 0.545 348.08 1933.00 0.546 348.54 1934.00 0.547 348.99 1935.00 0.547 349.44 1936.00 0.548 349.89 1937.00 0.548 350.33 1938.00 0.548 350.78 1939.00 0.548 351.23 1940.00 0.548 351.68 1941.00 0.547 352.13 1942.00 0.547 352.58 1943.00 0.546 353.03 1944.00 0.546 353.48 1945.00 0.545 353.93 1946.00 0.544 354.38 1947.00 0.542 354.84 1948.00 0.541 355.30 1949.00 0.539 355.76 1950.00 0.538 356.22 1951.00 0.536 356.69 1952.00 0.534 357.16 1953.00 0.532 357.63 1954.00 0.529 358.11 1955.00 0.527 358.59 1956.00 0.524 359.08 1957.00 0.522 359.57 1958.00 0.519 0.07 1959.00 0.516 0.57 1960.00 0.512 1.08 1961.00 0.509 1.59 1962.00 0.506 2.12 1963.00 0.502 2.65 1964.00 0.498 3.18 1965.00 0.494 3.73 1966.00 0.490 4.29 1967.00 0.486 4.85 1968.00 0.481 5.43 1969.00 0.477 6.01 1970.00 0.472 6.61 1971.00 0.467 7.22 1972.00 0.462 7.84 1973.00 0.457 8.48 1974.00 0.452 9.13 1975.00 0.447 9.80 1976.00 0.441 10.48 1977.00 0.435 11.18 1978.00 0.430 11.90 1979.00 0.424 12.64 1980.00 0.418 13.40 1981.00 0.412 14.18 1982.00 0.406 14.99 1983.00 0.399 15.82 1984.00 0.393 16.67 1985.00 0.386 17.56 1986.00 0.380 18.48 1987.00 0.373 19.43 1988.00 0.366 20.41 1989.00 0.360 21.43 1990.00 0.353 22.49 1991.00 0.346 23.59 1992.00 0.339 24.74 1993.00 0.332 25.93 1994.00 0.325 27.18 1995.00 0.318 28.48 1996.00 0.311 29.83 1997.00 0.304 31.25 1998.00 0.297 32.74 1999.00 0.291 34.29 2000.00 0.284 35.92 2001.00 0.277 37.63 2002.00 0.271 39.42 2003.00 0.264 41.30 2004.00 0.258 43.28 2005.00 0.252 45.35 2006.00 0.246 47.52 2007.00 0.240 49.79 2008.00 0.235 52.17 2009.00 0.230 54.66 2010.00 0.225 57.26 2011.00 0.221 59.97 2012.00 0.217 62.78 2013.00 0.213 65.69 2014.00 0.210 68.70 2015.00 0.207 71.80 2016.00 0.205 74.97 2017.00 0.203 78.20 2018.00 0.202 81.48 2019.00 0.201 84.78 2020.00 0.201 88.10 2021.00 0.202 91.41 2022.00 0.203 94.70 2023.00 0.204 97.94 2024.00 0.206 101.13 2025.00 0.209 104.25 2026.00 0.212 107.28 2027.00 0.215 110.23 2028.00 0.219 113.07 2029.00 0.224 115.82 2030.00 0.228 118.45 2031.00 0.233 120.98 2032.00 0.238 123.40 2033.00 0.244 125.72 2034.00 0.249 127.93 2035.00 0.255 130.04 2036.00 0.261 132.06 2037.00 0.267 133.98 2038.00 0.274 135.82 2039.00 0.280 137.57 2040.00 0.286 139.25 2041.00 0.293 140.85 2042.00 0.299 142.39 2043.00 0.306 143.86 2044.00 0.312 145.27 2045.00 0.319 146.62 2046.00 0.325 147.92 2047.00 0.331 149.17 2048.00 0.337 150.37 2049.00 0.344 151.53 2050.00 0.350 152.65 2051.00 0.355 153.74 2052.00 0.361 154.78 2053.00 0.367 155.80 2054.00 0.372 156.78 2055.00 0.378 157.74 2056.00 0.383 158.67 2057.00 0.388 159.57 2058.00 0.393 160.45 2059.00 0.398 161.31 2060.00 0.402 162.15 2061.00 0.407 162.98 2062.00 0.411 163.78 2063.00 0.415 164.57 2064.00 0.418 165.34 2065.00 0.422 166.11 2066.00 0.425 166.86 2067.00 0.429 167.59 2068.00 0.432 168.32 2069.00 0.434 169.04 2070.00 0.437 169.75 2071.00 0.439 170.45 2072.00 0.441 171.14 2073.00 0.443 171.83 2074.00 0.445 172.51 2075.00 0.446 173.19 2076.00 0.447 173.86 2077.00 0.448 174.53 2078.00 0.449 175.20 2079.00 0.450 175.87 2080.00 0.450 176.53 2081.00 0.450 177.20 2082.00 0.450 177.86 2083.00 0.450 178.52 2084.00 0.450 179.19 2085.00 0.449 179.85 2086.00 0.448 180.52 2087.00 0.447 181.19 2088.00 0.446 181.87 2089.00 0.445 182.54 2090.00 0.443 183.23 2091.00 0.441 183.92 2092.00 0.439 184.61 2093.00 0.437 185.31 2094.00 0.435 186.02 2095.00 0.432 186.73 2096.00 0.430 187.46 2097.00 0.427 188.19 2098.00 0.424 188.93 2099.00 0.421 189.69 2100.00 0.418 190.45 2101.00 0.414 191.23 2102.00 0.411 192.02 2103.00 0.407 192.82 2104.00 0.404 193.64 2105.00 0.400 194.47 2106.00 0.396 195.32 2107.00 0.392 196.19 2108.00 0.388 197.07 2109.00 0.383 197.98 2110.00 0.379 198.90 2111.00 0.375 199.85 2112.00 0.370 200.82 2113.00 0.366 201.81 2114.00 0.361 202.83 2115.00 0.357 203.87 2116.00 0.352 204.94 2117.00 0.347 206.04 2118.00 0.343 207.17 2119.00 0.338 208.33 2120.00 0.333 209.52 2121.00 0.329 210.75 2122.00 0.324 212.01 2123.00 0.319 213.31 2124.00 0.315 214.65 2125.00 0.310 216.03 2126.00 0.306 217.44 2127.00 0.301 218.90 2128.00 0.297 220.41 2129.00 0.293 221.95 2130.00 0.289 223.54 2131.00 0.285 225.18 2132.00 0.281 226.86 2133.00 0.277 228.59 2134.00 0.273 230.37 2135.00 0.270 232.19 2136.00 0.267 234.06 2137.00 0.264 235.97 2138.00 0.261 237.93 2139.00 0.258 239.93 2140.00 0.256 241.96 2141.00 0.254 244.04 2142.00 0.252 246.15 2143.00 0.250 248.29 2144.00 0.249 250.45 2145.00 0.247 252.64 2146.00 0.247 254.85 2147.00 0.246 257.07 2148.00 0.246 259.29 2149.00 0.246 261.52 2150.00 0.246 263.75 2151.00 0.246 265.97 2152.00 0.247 268.18 2153.00 0.248 270.37 2154.00 0.250 272.53 2155.00 0.251 274.67 2156.00 0.253 276.78 2157.00 0.256 278.86 2158.00 0.258 280.90 2159.00 0.261 282.90 2160.00 0.264 284.86 2161.00 0.267 286.77 2162.00 0.270 288.63 2163.00 0.274 290.45 2164.00 0.277 292.23 2165.00 0.281 293.95 2166.00 0.285 295.63 2167.00 0.289 297.26 2168.00 0.294 298.84 2169.00 0.298 300.38 2170.00 0.303 301.87 2171.00 0.307 303.32 2172.00 0.312 304.72 2173.00 0.317 306.08 2174.00 0.322 307.40
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:14:57 |