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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:08:17
WDS:
HWE71
WDS ID/Discoverer
P:
248.800
Orbital period (years)
a:
1.004
Semi-major axis (arcseconds)
i:
99.6
Inclination (degrees)
Ω:
276.3
Longitude of ascending node (degrees)
T:
2008.480
Epoch of periastron passage (year)
e:
0.72
Eccentricity
ω:
162.0
Longitude of periastron (degrees)
Start-Year:
1901.0
Year
End-Year:
2149.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
115425.81-374456.1
Epoch-2000 right ascension and declination
WDS-ID:
11544-3745
WDS designation
Discoverer Code:
HWE71
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
103437
HD catalog number
Hipparcos number:
58057
Hipparcos catalog number
V1:
6.75
Magnitude of the primary
V2:
8.60
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
Date of last observation
Orbit grade:
3
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.107 357.5
-------------------------
1901.0 1.667 278.4
1902.0 1.666 278.3
1903.0 1.666 278.2
1904.0 1.665 278.2
1905.0 1.663 278.1
1906.0 1.662 278.1
1907.0 1.660 278.0
1908.0 1.658 277.9
1909.0 1.656 277.9
1910.0 1.654 277.8
1911.0 1.651 277.8
1912.0 1.649 277.7
1913.0 1.646 277.6
1914.0 1.642 277.6
1915.0 1.639 277.5
1916.0 1.635 277.4
1917.0 1.631 277.4
1918.0 1.627 277.3
1919.0 1.623 277.3
1920.0 1.618 277.2
1921.0 1.613 277.1
1922.0 1.608 277.1
1923.0 1.603 277.0
1924.0 1.597 276.9
1925.0 1.591 276.9
1926.0 1.585 276.8
1927.0 1.578 276.7
1928.0 1.572 276.7
1929.0 1.565 276.6
1930.0 1.558 276.5
1931.0 1.550 276.4
1932.0 1.543 276.4
1933.0 1.535 276.3
1934.0 1.526 276.2
1935.0 1.518 276.2
1936.0 1.509 276.1
1937.0 1.500 276.0
1938.0 1.491 275.9
1939.0 1.481 275.9
1940.0 1.471 275.8
1941.0 1.461 275.7
1942.0 1.450 275.6
1943.0 1.440 275.5
1944.0 1.428 275.5
1945.0 1.417 275.4
1946.0 1.405 275.3
1947.0 1.393 275.2
1948.0 1.381 275.1
1949.0 1.368 275.0
1950.0 1.355 274.9
1951.0 1.342 274.8
1952.0 1.328 274.8
1953.0 1.314 274.7
1954.0 1.299 274.6
1955.0 1.284 274.5
1956.0 1.269 274.4
1957.0 1.254 274.2
1958.0 1.238 274.1
1959.0 1.222 274.0
1960.0 1.205 273.9
1961.0 1.188 273.8
1962.0 1.170 273.7
1963.0 1.152 273.5
1964.0 1.134 273.4
1965.0 1.115 273.3
1966.0 1.096 273.1
1967.0 1.076 273.0
1968.0 1.056 272.9
1969.0 1.035 272.7
1970.0 1.014 272.5
1971.0 0.993 272.4
1972.0 0.970 272.2
1973.0 0.948 272.0
1974.0 0.925 271.8
1975.0 0.901 271.6
1976.0 0.876 271.4
1977.0 0.851 271.2
1978.0 0.826 270.9
1979.0 0.800 270.7
1980.0 0.773 270.4
1981.0 0.746 270.1
1982.0 0.718 269.8
1983.0 0.689 269.5
1984.0 0.659 269.1
1985.0 0.629 268.7
1986.0 0.598 268.2
1987.0 0.566 267.7
1988.0 0.533 267.2
1989.0 0.500 266.5
1990.0 0.466 265.8
1991.0 0.431 265.0
1992.0 0.395 264.0
1993.0 0.358 262.8
1994.0 0.320 261.3
1995.0 0.282 259.4
1996.0 0.243 257.0
1997.0 0.203 253.6
1998.0 0.164 248.5
1999.0 0.126 240.3
2000.0 0.091 225.4
2001.0 0.068 197.2
2002.0 0.070 159.5
2003.0 0.095 133.6
2004.0 0.130 119.8
2005.0 0.166 112.0
2006.0 0.201 107.0
2007.0 0.232 103.4
2008.0 0.258 100.6
2009.0 0.277 98.2
2010.0 0.288 96.1
2011.0 0.292 94.1
2012.0 0.289 92.1
2013.0 0.280 90.0
2014.0 0.267 87.8
2015.0 0.251 85.3
2016.0 0.232 82.4
2017.0 0.212 78.9
2018.0 0.191 74.8
2019.0 0.169 69.5
2020.0 0.149 62.8
2021.0 0.130 54.1
2022.0 0.115 42.8
2023.0 0.106 28.8
2024.0 0.103 13.0
2025.0 0.107 357.5
2026.0 0.119 344.2
2027.0 0.135 333.6
2028.0 0.155 325.5
2029.0 0.176 319.3
2030.0 0.199 314.5
2031.0 0.223 310.7
2032.0 0.248 307.6
2033.0 0.272 305.1
2034.0 0.297 303.0
2035.0 0.322 301.3
2036.0 0.346 299.7
2037.0 0.371 298.4
2038.0 0.395 297.3
2039.0 0.419 296.3
2040.0 0.443 295.3
2041.0 0.467 294.5
2042.0 0.491 293.8
2043.0 0.514 293.1
2044.0 0.537 292.5
2045.0 0.560 292.0
2046.0 0.583 291.4
2047.0 0.605 291.0
2048.0 0.627 290.5
2049.0 0.649 290.1
2050.0 0.670 289.7
2051.0 0.691 289.3
2052.0 0.712 289.0
2053.0 0.733 288.7
2054.0 0.754 288.4
2055.0 0.774 288.1
2056.0 0.794 287.8
2057.0 0.813 287.5
2058.0 0.833 287.3
2059.0 0.852 287.1
2060.0 0.871 286.8
2061.0 0.889 286.6
2062.0 0.908 286.4
2063.0 0.926 286.2
2064.0 0.944 286.0
2065.0 0.961 285.8
2066.0 0.979 285.6
2067.0 0.996 285.5
2068.0 1.013 285.3
2069.0 1.030 285.1
2070.0 1.046 285.0
2071.0 1.062 284.8
2072.0 1.078 284.7
2073.0 1.094 284.5
2074.0 1.109 284.4
2075.0 1.125 284.3
2076.0 1.140 284.1
2077.0 1.154 284.0
2078.0 1.169 283.9
2079.0 1.183 283.8
2080.0 1.198 283.6
2081.0 1.211 283.5
2082.0 1.225 283.4
2083.0 1.239 283.3
2084.0 1.252 283.2
2085.0 1.265 283.1
2086.0 1.278 283.0
2087.0 1.290 282.9
2088.0 1.303 282.8
2089.0 1.315 282.7
2090.0 1.327 282.6
2091.0 1.338 282.5
2092.0 1.350 282.4
2093.0 1.361 282.3
2094.0 1.372 282.2
2095.0 1.383 282.1
2096.0 1.394 282.0
2097.0 1.404 282.0
2098.0 1.415 281.9
2099.0 1.425 281.8
2100.0 1.434 281.7
2101.0 1.444 281.6
2102.0 1.454 281.5
2103.0 1.463 281.5
2104.0 1.472 281.4
2105.0 1.481 281.3
2106.0 1.489 281.2
2107.0 1.498 281.2
2108.0 1.506 281.1
2109.0 1.514 281.0
2110.0 1.522 280.9
2111.0 1.529 280.9
2112.0 1.537 280.8
2113.0 1.544 280.7
2114.0 1.551 280.6
2115.0 1.558 280.6
2116.0 1.564 280.5
2117.0 1.570 280.4
2118.0 1.577 280.4
2119.0 1.583 280.3
2120.0 1.588 280.2
2121.0 1.594 280.2
2122.0 1.599 280.1
2123.0 1.605 280.0
2124.0 1.610 280.0
2125.0 1.614 279.9
2126.0 1.619 279.8
2127.0 1.623 279.8
2128.0 1.627 279.7
2129.0 1.631 279.6
2130.0 1.635 279.6
2131.0 1.639 279.5
2132.0 1.642 279.5
2133.0 1.645 279.4
2134.0 1.648 279.3
2135.0 1.651 279.3
2136.0 1.653 279.2
2137.0 1.656 279.1
2138.0 1.658 279.1
2139.0 1.660 279.0
2140.0 1.661 279.0
2141.0 1.663 278.9
2142.0 1.664 278.8
2143.0 1.665 278.8
2144.0 1.666 278.7
2145.0 1.667 278.7
2146.0 1.667 278.6
2147.0 1.668 278.5
2148.0 1.668 278.5
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory .
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