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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:27:29
WDS:
I5AB
WDS ID/Discoverer
P:
217.600
Orbital period (years)
a:
2.004
Semi-major axis (arcseconds)
i:
93.9
Inclination (degrees)
Ω:
91.6
Longitude of ascending node (degrees)
T:
2033.900
Epoch of periastron passage (year)
e:
0.336
Eccentricity
ω:
357.3
Longitude of periastron (degrees)
Start-Year:
1917.0
Year
End-Year:
2133.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
063800.39-613200.2
Epoch-2000 right ascension and declination
WDS-ID:
06380-6132
WDS designation
Discoverer Code:
I5AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
48189
HD catalog number
Hipparcos number:
31711
Hipparcos catalog number
V1:
6.32
Magnitude of the primary
V2:
8.77
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2008
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 1.153 94.2
-------------------------
1917.0 2.628 272.3
1918.0 2.637 272.2
1919.0 2.645 272.1
1920.0 2.653 272.1
1921.0 2.659 272.0
1922.0 2.664 272.0
1923.0 2.668 271.9
1924.0 2.672 271.8
1925.0 2.674 271.8
1926.0 2.676 271.7
1927.0 2.676 271.7
1928.0 2.676 271.6
1929.0 2.675 271.6
1930.0 2.673 271.5
1931.0 2.669 271.4
1932.0 2.665 271.4
1933.0 2.660 271.3
1934.0 2.654 271.3
1935.0 2.648 271.2
1936.0 2.640 271.1
1937.0 2.631 271.1
1938.0 2.621 271.0
1939.0 2.611 270.9
1940.0 2.599 270.9
1941.0 2.587 270.8
1942.0 2.573 270.8
1943.0 2.559 270.7
1944.0 2.543 270.6
1945.0 2.527 270.6
1946.0 2.510 270.5
1947.0 2.492 270.4
1948.0 2.472 270.4
1949.0 2.452 270.3
1950.0 2.431 270.2
1951.0 2.409 270.1
1952.0 2.386 270.1
1953.0 2.363 270.0
1954.0 2.338 269.9
1955.0 2.312 269.8
1956.0 2.285 269.8
1957.0 2.258 269.7
1958.0 2.229 269.6
1959.0 2.200 269.5
1960.0 2.169 269.4
1961.0 2.138 269.3
1962.0 2.105 269.2
1963.0 2.072 269.1
1964.0 2.038 269.0
1965.0 2.003 268.9
1966.0 1.966 268.8
1967.0 1.929 268.7
1968.0 1.891 268.6
1969.0 1.853 268.5
1970.0 1.813 268.3
1971.0 1.772 268.2
1972.0 1.730 268.1
1973.0 1.688 267.9
1974.0 1.644 267.8
1975.0 1.600 267.6
1976.0 1.555 267.4
1977.0 1.509 267.3
1978.0 1.462 267.1
1979.0 1.414 266.9
1980.0 1.365 266.6
1981.0 1.316 266.4
1982.0 1.266 266.1
1983.0 1.215 265.9
1984.0 1.163 265.6
1985.0 1.110 265.2
1986.0 1.057 264.9
1987.0 1.003 264.5
1988.0 0.948 264.0
1989.0 0.892 263.5
1990.0 0.836 262.9
1991.0 0.780 262.3
1992.0 0.722 261.5
1993.0 0.665 260.7
1994.0 0.607 259.6
1995.0 0.548 258.3
1996.0 0.490 256.7
1997.0 0.431 254.7
1998.0 0.373 252.1
1999.0 0.316 248.5
2000.0 0.260 243.3
2001.0 0.206 235.3
2002.0 0.160 222.3
2003.0 0.127 200.8
2004.0 0.120 171.7
2005.0 0.143 146.3
2006.0 0.186 130.1
2007.0 0.236 120.3
2008.0 0.291 114.1
2009.0 0.348 109.9
2010.0 0.406 106.9
2011.0 0.464 104.6
2012.0 0.521 102.9
2013.0 0.578 101.5
2014.0 0.635 100.3
2015.0 0.690 99.3
2016.0 0.745 98.5
2017.0 0.798 97.8
2018.0 0.849 97.2
2019.0 0.899 96.6
2020.0 0.947 96.1
2021.0 0.993 95.6
2022.0 1.037 95.2
2023.0 1.078 94.9
2024.0 1.117 94.5
2025.0 1.153 94.2
2026.0 1.186 93.9
2027.0 1.216 93.6
2028.0 1.242 93.3
2029.0 1.266 93.0
2030.0 1.286 92.7
2031.0 1.302 92.5
2032.0 1.315 92.2
2033.0 1.324 92.0
2034.0 1.330 91.8
2035.0 1.331 91.5
2036.0 1.329 91.3
2037.0 1.323 91.0
2038.0 1.313 90.8
2039.0 1.300 90.5
2040.0 1.283 90.3
2041.0 1.263 90.0
2042.0 1.240 89.8
2043.0 1.213 89.5
2044.0 1.183 89.2
2045.0 1.151 88.9
2046.0 1.115 88.5
2047.0 1.077 88.2
2048.0 1.037 87.8
2049.0 0.994 87.4
2050.0 0.949 86.9
2051.0 0.902 86.4
2052.0 0.854 85.9
2053.0 0.804 85.3
2054.0 0.753 84.6
2055.0 0.700 83.8
2056.0 0.646 82.8
2057.0 0.592 81.7
2058.0 0.537 80.4
2059.0 0.481 78.7
2060.0 0.425 76.6
2061.0 0.369 73.9
2062.0 0.314 70.2
2063.0 0.260 65.0
2064.0 0.209 57.2
2065.0 0.164 44.7
2066.0 0.132 24.7
2067.0 0.123 357.6
2068.0 0.142 332.6
2069.0 0.180 315.7
2070.0 0.228 305.3
2071.0 0.280 298.7
2072.0 0.335 294.1
2073.0 0.391 290.9
2074.0 0.447 288.4
2075.0 0.504 286.5
2076.0 0.561 285.0
2077.0 0.617 283.8
2078.0 0.673 282.8
2079.0 0.729 281.9
2080.0 0.785 281.2
2081.0 0.839 280.5
2082.0 0.894 280.0
2083.0 0.948 279.5
2084.0 1.001 279.0
2085.0 1.054 278.6
2086.0 1.106 278.2
2087.0 1.157 277.9
2088.0 1.208 277.6
2089.0 1.257 277.3
2090.0 1.307 277.1
2091.0 1.355 276.8
2092.0 1.403 276.6
2093.0 1.449 276.4
2094.0 1.495 276.2
2095.0 1.541 276.0
2096.0 1.585 275.8
2097.0 1.629 275.7
2098.0 1.672 275.5
2099.0 1.713 275.4
2100.0 1.755 275.2
2101.0 1.795 275.1
2102.0 1.834 275.0
2103.0 1.873 274.8
2104.0 1.910 274.7
2105.0 1.947 274.6
2106.0 1.983 274.5
2107.0 2.018 274.4
2108.0 2.052 274.3
2109.0 2.086 274.2
2110.0 2.118 274.1
2111.0 2.149 274.0
2112.0 2.180 273.9
2113.0 2.210 273.8
2114.0 2.238 273.7
2115.0 2.266 273.6
2116.0 2.293 273.6
2117.0 2.319 273.5
2118.0 2.345 273.4
2119.0 2.369 273.3
2120.0 2.392 273.2
2121.0 2.415 273.2
2122.0 2.436 273.1
2123.0 2.457 273.0
2124.0 2.476 273.0
2125.0 2.495 272.9
2126.0 2.513 272.8
2127.0 2.530 272.8
2128.0 2.546 272.7
2129.0 2.561 272.6
2130.0 2.575 272.6
2131.0 2.588 272.5
2132.0 2.601 272.4
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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