| WDS: | A2913 | WDS ID/Discoverer |
| P: | 257.800 | Orbital period (years) |
| a: | 0.361 | Semi-major axis (arcseconds) |
| i: | 107.6 | Inclination (degrees) |
| Ω: | 167.8 | Longitude of ascending node (degrees) |
| T: | 1990.940 | Epoch of periastron passage (year) |
| e: | 0.75 | Eccentricity |
| ω: | 13.2 | Longitude of periastron (degrees) |
| Start-Year: | 1896.1 | Year |
| End-Year: | 2153.9 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A2913 |
||
| Position: | 040341.72-154511.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04037-1545 | WDS designation |
| Discoverer Code: | A2913 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 25660 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.5 | Magnitude of the primary |
| V2: | 9.5 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2023 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | 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 0.338 356.38 -------------------------- 1896.10 0.555 340.20 1897.10 0.552 340.08 1898.10 0.548 339.96 1899.10 0.545 339.84 1900.10 0.542 339.71 1901.10 0.539 339.59 1902.10 0.535 339.46 1903.10 0.532 339.33 1904.10 0.529 339.20 1905.10 0.525 339.07 1906.10 0.521 338.94 1907.10 0.518 338.81 1908.10 0.514 338.67 1909.10 0.510 338.53 1910.10 0.506 338.39 1911.10 0.502 338.25 1912.10 0.498 338.10 1913.10 0.494 337.95 1914.10 0.490 337.80 1915.10 0.485 337.65 1916.10 0.481 337.49 1917.10 0.477 337.33 1918.10 0.472 337.17 1919.10 0.467 337.01 1920.10 0.463 336.84 1921.10 0.458 336.67 1922.10 0.453 336.49 1923.10 0.448 336.31 1924.10 0.443 336.13 1925.10 0.438 335.94 1926.10 0.433 335.75 1927.10 0.428 335.55 1928.10 0.422 335.35 1929.10 0.417 335.15 1930.10 0.411 334.93 1931.10 0.406 334.72 1932.10 0.400 334.49 1933.10 0.394 334.26 1934.10 0.389 334.02 1935.10 0.383 333.78 1936.10 0.377 333.53 1937.10 0.371 333.27 1938.10 0.364 333.00 1939.10 0.358 332.72 1940.10 0.352 332.43 1941.10 0.345 332.13 1942.10 0.339 331.82 1943.10 0.332 331.49 1944.10 0.325 331.16 1945.10 0.318 330.81 1946.10 0.312 330.44 1947.10 0.304 330.06 1948.10 0.297 329.65 1949.10 0.290 329.23 1950.10 0.283 328.79 1951.10 0.275 328.32 1952.10 0.268 327.83 1953.10 0.260 327.30 1954.10 0.252 326.75 1955.10 0.245 326.16 1956.10 0.237 325.53 1957.10 0.229 324.86 1958.10 0.220 324.14 1959.10 0.212 323.36 1960.10 0.204 322.52 1961.10 0.195 321.60 1962.10 0.187 320.60 1963.10 0.178 319.51 1964.10 0.169 318.30 1965.10 0.161 316.97 1966.10 0.152 315.48 1967.10 0.143 313.80 1968.10 0.134 311.90 1969.10 0.125 309.73 1970.10 0.116 307.23 1971.10 0.108 304.32 1972.10 0.099 300.90 1973.10 0.090 296.83 1974.10 0.082 291.95 1975.10 0.075 286.05 1976.10 0.068 278.92 1977.10 0.063 270.37 1978.10 0.058 260.36 1979.10 0.056 249.15 1980.10 0.056 237.37 1981.10 0.057 225.85 1982.10 0.061 215.30 1983.10 0.065 206.09 1984.10 0.071 198.23 1985.10 0.077 191.55 1986.10 0.082 185.80 1987.10 0.087 180.76 1988.10 0.091 176.18 1989.10 0.092 171.85 1990.10 0.091 167.54 1991.10 0.087 162.99 1992.10 0.081 157.85 1993.10 0.072 151.62 1994.10 0.062 143.53 1995.10 0.053 132.38 1996.10 0.044 116.67 1997.10 0.040 95.95 1998.10 0.041 73.62 1999.10 0.048 54.91 2000.10 0.057 41.51 2001.10 0.069 32.24 2002.10 0.081 25.69 2003.10 0.094 20.88 2004.10 0.106 17.23 2005.10 0.119 14.35 2006.10 0.131 12.02 2007.10 0.144 10.10 2008.10 0.156 8.47 2009.10 0.168 7.08 2010.10 0.179 5.87 2011.10 0.191 4.81 2012.10 0.202 3.87 2013.10 0.213 3.02 2014.10 0.223 2.25 2015.10 0.234 1.56 2016.10 0.244 0.92 2017.10 0.254 0.33 2018.10 0.264 359.79 2019.10 0.273 359.29 2020.10 0.283 358.81 2021.10 0.292 358.37 2022.10 0.301 357.96 2023.10 0.309 357.57 2024.10 0.318 357.20 2025.10 0.326 356.85 2026.10 0.334 356.51 2027.10 0.342 356.19 2028.10 0.350 355.89 2029.10 0.358 355.60 2030.10 0.366 355.32 2031.10 0.373 355.06 2032.10 0.380 354.80 2033.10 0.387 354.55 2034.10 0.394 354.31 2035.10 0.401 354.08 2036.10 0.407 353.86 2037.10 0.414 353.64 2038.10 0.420 353.44 2039.10 0.427 353.23 2040.10 0.433 353.03 2041.10 0.439 352.84 2042.10 0.444 352.66 2043.10 0.450 352.47 2044.10 0.456 352.30 2045.10 0.461 352.12 2046.10 0.467 351.95 2047.10 0.472 351.79 2048.10 0.477 351.63 2049.10 0.482 351.47 2050.10 0.487 351.31 2051.10 0.492 351.16 2052.10 0.496 351.01 2053.10 0.501 350.87 2054.10 0.505 350.72 2055.10 0.510 350.58 2056.10 0.514 350.44 2057.10 0.518 350.31 2058.10 0.522 350.17 2059.10 0.526 350.04 2060.10 0.530 349.91 2061.10 0.534 349.78 2062.10 0.538 349.65 2063.10 0.541 349.53 2064.10 0.545 349.41 2065.10 0.548 349.28 2066.10 0.552 349.16 2067.10 0.555 349.04 2068.10 0.558 348.93 2069.10 0.561 348.81 2070.10 0.564 348.70 2071.10 0.567 348.58 2072.10 0.570 348.47 2073.10 0.573 348.36 2074.10 0.575 348.25 2075.10 0.578 348.14 2076.10 0.580 348.03 2077.10 0.583 347.92 2078.10 0.585 347.81 2079.10 0.587 347.71 2080.10 0.589 347.60 2081.10 0.592 347.50 2082.10 0.594 347.40 2083.10 0.596 347.29 2084.10 0.597 347.19 2085.10 0.599 347.09 2086.10 0.601 346.99 2087.10 0.602 346.89 2088.10 0.604 346.79 2089.10 0.606 346.69 2090.10 0.607 346.59 2091.10 0.608 346.49 2092.10 0.610 346.39 2093.10 0.611 346.29 2094.10 0.612 346.20 2095.10 0.613 346.10 2096.10 0.614 346.00 2097.10 0.615 345.91 2098.10 0.616 345.81 2099.10 0.616 345.71 2100.10 0.617 345.62 2101.10 0.618 345.52 2102.10 0.618 345.43 2103.10 0.619 345.33 2104.10 0.619 345.24 2105.10 0.619 345.14 2106.10 0.620 345.05 2107.10 0.620 344.95 2108.10 0.620 344.86 2109.10 0.620 344.76 2110.10 0.620 344.67 2111.10 0.620 344.57 2112.10 0.620 344.48 2113.10 0.620 344.38 2114.10 0.619 344.29 2115.10 0.619 344.20 2116.10 0.619 344.10 2117.10 0.618 344.00 2118.10 0.618 343.91 2119.10 0.617 343.81 2120.10 0.616 343.72 2121.10 0.616 343.62 2122.10 0.615 343.53 2123.10 0.614 343.43 2124.10 0.613 343.33 2125.10 0.612 343.24 2126.10 0.611 343.14 2127.10 0.610 343.04 2128.10 0.609 342.94 2129.10 0.607 342.84 2130.10 0.606 342.75 2131.10 0.605 342.65 2132.10 0.603 342.55 2133.10 0.602 342.45 2134.10 0.600 342.35 2135.10 0.598 342.24 2136.10 0.597 342.14 2137.10 0.595 342.04 2138.10 0.593 341.94 2139.10 0.591 341.83 2140.10 0.589 341.73 2141.10 0.587 341.62 2142.10 0.585 341.52 2143.10 0.583 341.41 2144.10 0.580 341.30 2145.10 0.578 341.19 2146.10 0.576 341.08 2147.10 0.573 340.97 2148.10 0.571 340.86 2149.10 0.568 340.75 2150.10 0.565 340.64 2151.10 0.563 340.52 2152.10 0.560 340.41 2153.10 0.557 340.29
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:17:23 |