| WDS: | A2899 | WDS ID/Discoverer |
| P: | 300.000 | Orbital period (years) |
| a: | 1.53 | Semi-major axis (arcseconds) |
| i: | 107.8 | Inclination (degrees) |
| Ω: | 4.0 | Longitude of ascending node (degrees) |
| T: | 2123.000 | Epoch of periastron passage (year) |
| e: | 0.231 | Eccentricity |
| ω: | 250.4 | 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 A2899 |
||
| Position: | 084921.20+034102.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08494+0341 | WDS designation |
| Discoverer Code: | A2899 | Discover designation and components |
| ADS number: | 7022 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 43304 | Hipparcos catalog number |
| V1: | 8.2 | Magnitude of the primary |
| V2: | 13.7 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | Date of last observation | |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2016e | 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 0.856 218.61 -------------------------- 1875.00 1.353 10.72 1876.00 1.370 10.27 1877.00 1.387 9.83 1878.00 1.403 9.41 1879.00 1.419 8.99 1880.00 1.434 8.58 1881.00 1.449 8.17 1882.00 1.462 7.78 1883.00 1.476 7.39 1884.00 1.488 7.01 1885.00 1.500 6.64 1886.00 1.511 6.27 1887.00 1.522 5.91 1888.00 1.532 5.55 1889.00 1.542 5.19 1890.00 1.551 4.84 1891.00 1.559 4.50 1892.00 1.567 4.16 1893.00 1.574 3.82 1894.00 1.580 3.48 1895.00 1.586 3.15 1896.00 1.592 2.82 1897.00 1.597 2.49 1898.00 1.601 2.16 1899.00 1.605 1.84 1900.00 1.608 1.51 1901.00 1.611 1.19 1902.00 1.613 0.87 1903.00 1.614 0.55 1904.00 1.615 0.23 1905.00 1.616 359.91 1906.00 1.616 359.59 1907.00 1.616 359.27 1908.00 1.615 358.95 1909.00 1.613 358.63 1910.00 1.611 358.30 1911.00 1.609 357.98 1912.00 1.606 357.66 1913.00 1.603 357.33 1914.00 1.599 357.01 1915.00 1.595 356.68 1916.00 1.590 356.35 1917.00 1.585 356.02 1918.00 1.579 355.69 1919.00 1.573 355.35 1920.00 1.567 355.01 1921.00 1.560 354.67 1922.00 1.553 354.32 1923.00 1.545 353.98 1924.00 1.537 353.62 1925.00 1.529 353.27 1926.00 1.520 352.91 1927.00 1.511 352.55 1928.00 1.502 352.18 1929.00 1.492 351.80 1930.00 1.482 351.43 1931.00 1.471 351.04 1932.00 1.460 350.65 1933.00 1.449 350.26 1934.00 1.437 349.86 1935.00 1.426 349.45 1936.00 1.414 349.04 1937.00 1.401 348.61 1938.00 1.388 348.18 1939.00 1.375 347.75 1940.00 1.362 347.30 1941.00 1.349 346.85 1942.00 1.335 346.38 1943.00 1.321 345.91 1944.00 1.307 345.42 1945.00 1.292 344.93 1946.00 1.277 344.42 1947.00 1.262 343.90 1948.00 1.247 343.37 1949.00 1.232 342.83 1950.00 1.216 342.27 1951.00 1.201 341.70 1952.00 1.185 341.11 1953.00 1.169 340.51 1954.00 1.152 339.89 1955.00 1.136 339.25 1956.00 1.120 338.59 1957.00 1.103 337.92 1958.00 1.086 337.22 1959.00 1.070 336.50 1960.00 1.053 335.76 1961.00 1.036 334.99 1962.00 1.019 334.20 1963.00 1.002 333.38 1964.00 0.985 332.54 1965.00 0.968 331.66 1966.00 0.950 330.75 1967.00 0.933 329.81 1968.00 0.916 328.83 1969.00 0.899 327.82 1970.00 0.883 326.77 1971.00 0.866 325.67 1972.00 0.849 324.54 1973.00 0.833 323.35 1974.00 0.816 322.13 1975.00 0.800 320.85 1976.00 0.784 319.51 1977.00 0.769 318.13 1978.00 0.753 316.69 1979.00 0.738 315.18 1980.00 0.724 313.62 1981.00 0.709 311.99 1982.00 0.695 310.30 1983.00 0.682 308.54 1984.00 0.669 306.71 1985.00 0.657 304.81 1986.00 0.645 302.83 1987.00 0.634 300.79 1988.00 0.624 298.68 1989.00 0.614 296.50 1990.00 0.605 294.25 1991.00 0.597 291.93 1992.00 0.590 289.56 1993.00 0.583 287.13 1994.00 0.578 284.65 1995.00 0.573 282.13 1996.00 0.570 279.57 1997.00 0.567 276.99 1998.00 0.566 274.38 1999.00 0.566 271.77 2000.00 0.566 269.16 2001.00 0.568 266.56 2002.00 0.571 263.99 2003.00 0.574 261.43 2004.00 0.579 258.92 2005.00 0.584 256.45 2006.00 0.591 254.03 2007.00 0.598 251.67 2008.00 0.607 249.36 2009.00 0.616 247.13 2010.00 0.625 244.96 2011.00 0.636 242.85 2012.00 0.647 240.82 2013.00 0.659 238.86 2014.00 0.671 236.97 2015.00 0.684 235.15 2016.00 0.697 233.40 2017.00 0.711 231.71 2018.00 0.725 230.09 2019.00 0.740 228.53 2020.00 0.754 227.04 2021.00 0.770 225.60 2022.00 0.785 224.21 2023.00 0.800 222.88 2024.00 0.816 221.60 2025.00 0.832 220.37 2026.00 0.848 219.19 2027.00 0.864 218.05 2028.00 0.880 216.95 2029.00 0.897 215.89 2030.00 0.913 214.87 2031.00 0.929 213.89 2032.00 0.945 212.94 2033.00 0.962 212.02 2034.00 0.978 211.13 2035.00 0.994 210.27 2036.00 1.010 209.44 2037.00 1.026 208.63 2038.00 1.041 207.85 2039.00 1.057 207.09 2040.00 1.072 206.35 2041.00 1.087 205.63 2042.00 1.102 204.94 2043.00 1.117 204.26 2044.00 1.131 203.60 2045.00 1.145 202.95 2046.00 1.159 202.32 2047.00 1.173 201.71 2048.00 1.186 201.11 2049.00 1.199 200.52 2050.00 1.212 199.94 2051.00 1.224 199.38 2052.00 1.236 198.83 2053.00 1.248 198.29 2054.00 1.259 197.76 2055.00 1.270 197.23 2056.00 1.280 196.72 2057.00 1.290 196.21 2058.00 1.300 195.72 2059.00 1.309 195.22 2060.00 1.317 194.74 2061.00 1.325 194.26 2062.00 1.333 193.79 2063.00 1.340 193.32 2064.00 1.346 192.86 2065.00 1.352 192.40 2066.00 1.357 191.94 2067.00 1.362 191.49 2068.00 1.366 191.04 2069.00 1.370 190.59 2070.00 1.373 190.15 2071.00 1.375 189.71 2072.00 1.377 189.27 2073.00 1.378 188.83 2074.00 1.378 188.39 2075.00 1.378 187.95 2076.00 1.377 187.51 2077.00 1.375 187.07 2078.00 1.373 186.62 2079.00 1.370 186.18 2080.00 1.366 185.73 2081.00 1.361 185.28 2082.00 1.356 184.83 2083.00 1.350 184.37 2084.00 1.343 183.91 2085.00 1.335 183.45 2086.00 1.327 182.98 2087.00 1.317 182.50 2088.00 1.307 182.01 2089.00 1.296 181.52 2090.00 1.285 181.02 2091.00 1.272 180.51 2092.00 1.259 179.98 2093.00 1.245 179.45 2094.00 1.230 178.91 2095.00 1.214 178.35 2096.00 1.197 177.77 2097.00 1.180 177.18 2098.00 1.162 176.57 2099.00 1.142 175.94 2100.00 1.123 175.29 2101.00 1.102 174.61 2102.00 1.081 173.91 2103.00 1.059 173.18 2104.00 1.036 172.42 2105.00 1.012 171.62 2106.00 0.988 170.79 2107.00 0.963 169.91 2108.00 0.938 168.99 2109.00 0.912 168.01 2110.00 0.885 166.98 2111.00 0.858 165.88 2112.00 0.831 164.71 2113.00 0.803 163.45 2114.00 0.775 162.11 2115.00 0.746 160.66 2116.00 0.717 159.10 2117.00 0.689 157.41 2118.00 0.660 155.57 2119.00 0.631 153.56 2120.00 0.603 151.37 2121.00 0.574 148.95 2122.00 0.547 146.29 2123.00 0.520 143.35 2124.00 0.494 140.10 2125.00 0.470 136.51 2126.00 0.447 132.53 2127.00 0.426 128.14 2128.00 0.408 123.33 2129.00 0.392 118.10 2130.00 0.379 112.47 2131.00 0.370 106.51 2132.00 0.365 100.31 2133.00 0.364 94.00 2134.00 0.366 87.72 2135.00 0.373 81.60 2136.00 0.384 75.76 2137.00 0.398 70.27 2138.00 0.415 65.20 2139.00 0.434 60.56 2140.00 0.456 56.33 2141.00 0.480 52.51 2142.00 0.505 49.05 2143.00 0.531 45.94 2144.00 0.558 43.12 2145.00 0.586 40.57 2146.00 0.615 38.25 2147.00 0.644 36.14 2148.00 0.673 34.21 2149.00 0.703 32.45 2150.00 0.733 30.83 2151.00 0.762 29.33 2152.00 0.791 27.95 2153.00 0.821 26.66 2154.00 0.850 25.46 2155.00 0.878 24.34 2156.00 0.907 23.29 2157.00 0.935 22.31 2158.00 0.963 21.38 2159.00 0.990 20.50 2160.00 1.017 19.67 2161.00 1.043 18.89 2162.00 1.069 18.14 2163.00 1.094 17.42 2164.00 1.119 16.74 2165.00 1.143 16.09 2166.00 1.167 15.46 2167.00 1.190 14.86 2168.00 1.212 14.28 2169.00 1.234 13.72 2170.00 1.255 13.18 2171.00 1.276 12.66 2172.00 1.296 12.15 2173.00 1.316 11.66 2174.00 1.334 11.19
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:11:23 |