Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:04:15
WDS:
HU612
WDS ID/Discoverer
P:
233.700
Orbital period (years)
a:
0.519
Semi-major axis (arcseconds)
i:
53.6
Inclination (degrees)
Ω:
23.5
Longitude of ascending node (degrees)
T:
1899.600
Epoch of periastron passage (year)
e:
0.541
Eccentricity
ω:
146.1
Longitude of periastron (degrees)
Start-Year:
1909.0
Year
End-Year:
2141.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
044749.54+531803.9
Epoch-2000 right ascension and declination
WDS-ID:
04478+5318
WDS designation
Discoverer Code:
HU612
Discover designation and components
ADS number:
3434
Aitken Double Star catalog
HD number:
30136
HD catalog number
Hipparcos number:
22279
Hipparcos catalog number
V1:
7.06
Magnitude of the primary
V2:
8.54
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2012
Date of last observation
Orbit grade:
4
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 0.733 5.1
-------------------------
1909.0 0.267 214.6
1910.0 0.269 217.5
1911.0 0.271 220.4
1912.0 0.272 223.2
1913.0 0.273 226.0
1914.0 0.273 228.8
1915.0 0.273 231.5
1916.0 0.273 234.3
1917.0 0.273 237.1
1918.0 0.273 239.8
1919.0 0.273 242.6
1920.0 0.273 245.4
1921.0 0.273 248.2
1922.0 0.273 250.9
1923.0 0.274 253.7
1924.0 0.274 256.5
1925.0 0.275 259.2
1926.0 0.276 261.9
1927.0 0.277 264.6
1928.0 0.279 267.3
1929.0 0.280 270.0
1930.0 0.283 272.6
1931.0 0.285 275.2
1932.0 0.287 277.7
1933.0 0.290 280.2
1934.0 0.293 282.6
1935.0 0.297 285.0
1936.0 0.300 287.3
1937.0 0.304 289.6
1938.0 0.309 291.8
1939.0 0.313 293.9
1940.0 0.317 296.0
1941.0 0.322 298.0
1942.0 0.327 300.0
1943.0 0.332 301.9
1944.0 0.338 303.7
1945.0 0.343 305.5
1946.0 0.349 307.3
1947.0 0.354 308.9
1948.0 0.360 310.6
1949.0 0.366 312.1
1950.0 0.372 313.7
1951.0 0.378 315.1
1952.0 0.384 316.6
1953.0 0.390 317.9
1954.0 0.397 319.3
1955.0 0.403 320.6
1956.0 0.409 321.8
1957.0 0.416 323.0
1958.0 0.422 324.2
1959.0 0.429 325.4
1960.0 0.435 326.5
1961.0 0.442 327.6
1962.0 0.448 328.6
1963.0 0.454 329.6
1964.0 0.461 330.6
1965.0 0.467 331.6
1966.0 0.474 332.5
1967.0 0.480 333.4
1968.0 0.486 334.3
1969.0 0.493 335.2
1970.0 0.499 336.0
1971.0 0.505 336.8
1972.0 0.511 337.6
1973.0 0.517 338.4
1974.0 0.524 339.2
1975.0 0.530 339.9
1976.0 0.536 340.7
1977.0 0.542 341.4
1978.0 0.547 342.1
1979.0 0.553 342.8
1980.0 0.559 343.4
1981.0 0.565 344.1
1982.0 0.570 344.7
1983.0 0.576 345.4
1984.0 0.582 346.0
1985.0 0.587 346.6
1986.0 0.592 347.2
1987.0 0.598 347.8
1988.0 0.603 348.3
1989.0 0.608 348.9
1990.0 0.613 349.5
1991.0 0.618 350.0
1992.0 0.623 350.5
1993.0 0.628 351.1
1994.0 0.632 351.6
1995.0 0.637 352.1
1996.0 0.642 352.6
1997.0 0.646 353.1
1998.0 0.650 353.6
1999.0 0.655 354.1
2000.0 0.659 354.6
2001.0 0.663 355.0
2002.0 0.667 355.5
2003.0 0.671 356.0
2004.0 0.675 356.4
2005.0 0.679 356.9
2006.0 0.682 357.3
2007.0 0.686 357.8
2008.0 0.689 358.2
2009.0 0.693 358.6
2010.0 0.696 359.1
2011.0 0.699 359.5
2012.0 0.702 359.9
2013.0 0.705 0.3
2014.0 0.708 0.8
2015.0 0.711 1.2
2016.0 0.713 1.6
2017.0 0.716 2.0
2018.0 0.718 2.4
2019.0 0.721 2.8
2020.0 0.723 3.2
2021.0 0.725 3.6
2022.0 0.727 4.0
2023.0 0.729 4.4
2024.0 0.731 4.7
2025.0 0.733 5.1
2026.0 0.734 5.5
2027.0 0.736 5.9
2028.0 0.737 6.3
2029.0 0.738 6.7
2030.0 0.739 7.0
2031.0 0.740 7.4
2032.0 0.741 7.8
2033.0 0.742 8.2
2034.0 0.742 8.6
2035.0 0.743 8.9
2036.0 0.743 9.3
2037.0 0.744 9.7
2038.0 0.744 10.1
2039.0 0.744 10.4
2040.0 0.744 10.8
2041.0 0.743 11.2
2042.0 0.743 11.6
2043.0 0.742 11.9
2044.0 0.742 12.3
2045.0 0.741 12.7
2046.0 0.740 13.1
2047.0 0.739 13.4
2048.0 0.738 13.8
2049.0 0.737 14.2
2050.0 0.735 14.6
2051.0 0.733 15.0
2052.0 0.732 15.4
2053.0 0.730 15.7
2054.0 0.728 16.1
2055.0 0.725 16.5
2056.0 0.723 16.9
2057.0 0.721 17.3
2058.0 0.718 17.7
2059.0 0.715 18.1
2060.0 0.712 18.5
2061.0 0.709 18.9
2062.0 0.706 19.3
2063.0 0.702 19.8
2064.0 0.699 20.2
2065.0 0.695 20.6
2066.0 0.691 21.0
2067.0 0.687 21.5
2068.0 0.683 21.9
2069.0 0.678 22.4
2070.0 0.673 22.8
2071.0 0.669 23.3
2072.0 0.664 23.7
2073.0 0.658 24.2
2074.0 0.653 24.7
2075.0 0.647 25.2
2076.0 0.642 25.7
2077.0 0.636 26.2
2078.0 0.630 26.7
2079.0 0.623 27.2
2080.0 0.617 27.8
2081.0 0.610 28.3
2082.0 0.603 28.9
2083.0 0.596 29.5
2084.0 0.588 30.1
2085.0 0.581 30.7
2086.0 0.573 31.3
2087.0 0.565 31.9
2088.0 0.556 32.6
2089.0 0.548 33.3
2090.0 0.539 34.0
2091.0 0.530 34.7
2092.0 0.521 35.4
2093.0 0.512 36.2
2094.0 0.502 37.0
2095.0 0.492 37.9
2096.0 0.482 38.7
2097.0 0.471 39.7
2098.0 0.461 40.6
2099.0 0.450 41.6
2100.0 0.438 42.7
2101.0 0.427 43.8
2102.0 0.415 44.9
2103.0 0.403 46.2
2104.0 0.391 47.5
2105.0 0.379 48.9
2106.0 0.366 50.4
2107.0 0.353 52.0
2108.0 0.341 53.7
2109.0 0.327 55.6
2110.0 0.314 57.6
2111.0 0.301 59.8
2112.0 0.287 62.2
2113.0 0.274 64.8
2114.0 0.261 67.7
2115.0 0.247 70.9
2116.0 0.235 74.5
2117.0 0.222 78.4
2118.0 0.210 82.9
2119.0 0.199 87.8
2120.0 0.189 93.3
2121.0 0.180 99.4
2122.0 0.173 106.1
2123.0 0.168 113.2
2124.0 0.164 120.8
2125.0 0.163 128.5
2126.0 0.164 136.3
2127.0 0.167 143.9
2128.0 0.171 151.2
2129.0 0.177 158.0
2130.0 0.185 164.4
2131.0 0.193 170.2
2132.0 0.202 175.5
2133.0 0.210 180.4
2134.0 0.219 184.9
2135.0 0.227 189.0
2136.0 0.235 192.9
2137.0 0.241 196.6
2138.0 0.248 200.0
2139.0 0.253 203.3
2140.0 0.258 206.5
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 .
www.stella-vega.de