Double Star Calculator - Orbit

Orbital Elements for HU757BC
WDS: HU757BC WDS ID/Discoverer
P: 272.100 Orbital period (years)
a: 0.272 Semi-major axis (arcseconds)
i: 133.9 Inclination (degrees)
Ω: 109.6 Longitude of ascending node (degrees)
T: 1974.300 Epoch of periastron passage (year)
e: 0.559 Eccentricity
ω: 177.2 Longitude of periastron (degrees)
Start-Year: 1888.95 Year
End-Year: 2161.05 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU757BC
Position: 190206.53+521542.3 Epoch-2000 right ascension and declination
WDS-ID: 19021+5216 WDS designation
Discoverer Code: HU757BC Discover designation and components
ADS number: 11979 Aitken Double Star catalog
HD number: 177483 HD catalog number
Hipparcos number: 93466 Hipparcos catalog number
V1: 10.3 Magnitude of the primary
V2: 10.4 Magnitude of the secondary
Equinox: Equinox
Date: 2024 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: Sca2025a Reference

Double Star Orbit for HU757BC



WDS 6th Orbit including measures of HU757BC

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of HU757BC
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.249   149.66
--------------------------
1888.95    0.366    94.09
1889.95    0.364    93.67
1890.95    0.362    93.24
1891.95    0.359    92.81
1892.95    0.356    92.37
1893.95    0.354    91.93
1894.95    0.351    91.47
1895.95    0.348    91.01
1896.95    0.346    90.54
1897.95    0.343    90.07
1898.95    0.340    89.59
1899.95    0.337    89.10
1900.95    0.334    88.59
1901.95    0.331    88.09
1902.95    0.328    87.57
1903.95    0.325    87.04
1904.95    0.321    86.50
1905.95    0.318    85.95
1906.95    0.315    85.39
1907.95    0.311    84.81
1908.95    0.308    84.23
1909.95    0.305    83.63
1910.95    0.301    83.01
1911.95    0.297    82.38
1912.95    0.294    81.74
1913.95    0.290    81.08
1914.95    0.286    80.40
1915.95    0.283    79.71
1916.95    0.279    78.99
1917.95    0.275    78.26
1918.95    0.271    77.50
1919.95    0.267    76.72
1920.95    0.263    75.92
1921.95    0.259    75.10
1922.95    0.255    74.24
1923.95    0.250    73.36
1924.95    0.246    72.45
1925.95    0.242    71.50
1926.95    0.238    70.52
1927.95    0.233    69.51
1928.95    0.229    68.46
1929.95    0.225    67.36
1930.95    0.220    66.22
1931.95    0.216    65.04
1932.95    0.211    63.80
1933.95    0.207    62.51
1934.95    0.202    61.16
1935.95    0.197    59.75
1936.95    0.193    58.27
1937.95    0.188    56.72
1938.95    0.184    55.09
1939.95    0.179    53.38
1940.95    0.175    51.59
1941.95    0.170    49.69
1942.95    0.166    47.70
1943.95    0.161    45.59
1944.95    0.157    43.37
1945.95    0.153    41.02
1946.95    0.149    38.54
1947.95    0.145    35.93
1948.95    0.141    33.16
1949.95    0.137    30.24
1950.95    0.133    27.16
1951.95    0.130    23.92
1952.95    0.127    20.51
1953.95    0.124    16.94
1954.95    0.122    13.21
1955.95    0.119     9.32
1956.95    0.117     5.30
1957.95    0.116     1.14
1958.95    0.114   356.87
1959.95    0.113   352.52
1960.95    0.113   348.10
1961.95    0.112   343.64
1962.95    0.112   339.17
1963.95    0.112   334.71
1964.95    0.113   330.27
1965.95    0.114   325.88
1966.95    0.114   321.54
1967.95    0.115   317.27
1968.95    0.116   313.06
1969.95    0.117   308.92
1970.95    0.118   304.85
1971.95    0.119   300.83
1972.95    0.119   296.85
1973.95    0.120   292.91
1974.95    0.120   289.00
1975.95    0.120   285.10
1976.95    0.120   281.20
1977.95    0.120   277.28
1978.95    0.119   273.35
1979.95    0.119   269.38
1980.95    0.118   265.38
1981.95    0.118   261.35
1982.95    0.117   257.27
1983.95    0.117   253.16
1984.95    0.116   249.02
1985.95    0.116   244.87
1986.95    0.116   240.71
1987.95    0.117   236.56
1988.95    0.117   232.43
1989.95    0.118   228.35
1990.95    0.119   224.33
1991.95    0.120   220.40
1992.95    0.122   216.55
1993.95    0.124   212.82
1994.95    0.126   209.20
1995.95    0.128   205.71
1996.95    0.131   202.36
1997.95    0.134   199.14
1998.95    0.137   196.06
1999.95    0.140   193.13
2000.95    0.143   190.32
2001.95    0.147   187.66
2002.95    0.151   185.12
2003.95    0.155   182.70
2004.95    0.158   180.40
2005.95    0.162   178.21
2006.95    0.167   176.13
2007.95    0.171   174.15
2008.95    0.175   172.27
2009.95    0.179   170.47
2010.95    0.183   168.75
2011.95    0.188   167.12
2012.95    0.192   165.55
2013.95    0.196   164.06
2014.95    0.201   162.63
2015.95    0.205   161.26
2016.95    0.209   159.95
2017.95    0.213   158.69
2018.95    0.218   157.48
2019.95    0.222   156.31
2020.95    0.226   155.19
2021.95    0.230   154.11
2022.95    0.235   153.07
2023.95    0.239   152.07
2024.95    0.243   151.10
2025.95    0.247   150.16
2026.95    0.251   149.25
2027.95    0.255   148.37
2028.95    0.259   147.52
2029.95    0.263   146.69
2030.95    0.267   145.89
2031.95    0.271   145.11
2032.95    0.275   144.36
2033.95    0.278   143.62
2034.95    0.282   142.90
2035.95    0.286   142.20
2036.95    0.289   141.52
2037.95    0.293   140.86
2038.95    0.296   140.21
2039.95    0.300   139.58
2040.95    0.303   138.96
2041.95    0.307   138.36
2042.95    0.310   137.76
2043.95    0.313   137.19
2044.95    0.317   136.62
2045.95    0.320   136.06
2046.95    0.323   135.52
2047.95    0.326   134.98
2048.95    0.329   134.46
2049.95    0.332   133.95
2050.95    0.335   133.44
2051.95    0.338   132.94
2052.95    0.341   132.45
2053.95    0.344   131.97
2054.95    0.346   131.50
2055.95    0.349   131.04
2056.95    0.352   130.58
2057.95    0.354   130.13
2058.95    0.357   129.68
2059.95    0.359   129.24
2060.95    0.362   128.81
2061.95    0.364   128.38
2062.95    0.367   127.96
2063.95    0.369   127.55
2064.95    0.371   127.14
2065.95    0.374   126.73
2066.95    0.376   126.33
2067.95    0.378   125.93
2068.95    0.380   125.54
2069.95    0.382   125.15
2070.95    0.384   124.77
2071.95    0.386   124.39
2072.95    0.388   124.01
2073.95    0.390   123.64
2074.95    0.391   123.27
2075.95    0.393   122.91
2076.95    0.395   122.54
2077.95    0.396   122.18
2078.95    0.398   121.83
2079.95    0.399   121.47
2080.95    0.401   121.12
2081.95    0.402   120.77
2082.95    0.404   120.43
2083.95    0.405   120.08
2084.95    0.406   119.74
2085.95    0.408   119.40
2086.95    0.409   119.06
2087.95    0.410   118.73
2088.95    0.411   118.39
2089.95    0.412   118.06
2090.95    0.413   117.73
2091.95    0.414   117.40
2092.95    0.415   117.08
2093.95    0.416   116.75
2094.95    0.417   116.43
2095.95    0.418   116.10
2096.95    0.418   115.78
2097.95    0.419   115.46
2098.95    0.420   115.14
2099.95    0.420   114.82
2100.95    0.421   114.50
2101.95    0.421   114.19
2102.95    0.422   113.87
2103.95    0.422   113.55
2104.95    0.423   113.24
2105.95    0.423   112.92
2106.95    0.423   112.61
2107.95    0.423   112.29
2108.95    0.424   111.98
2109.95    0.424   111.67
2110.95    0.424   111.35
2111.95    0.424   111.04
2112.95    0.424   110.73
2113.95    0.424   110.41
2114.95    0.424   110.10
2115.95    0.424   109.79
2116.95    0.423   109.47
2117.95    0.423   109.16
2118.95    0.423   108.84
2119.95    0.422   108.53
2120.95    0.422   108.21
2121.95    0.422   107.90
2122.95    0.421   107.58
2123.95    0.421   107.26
2124.95    0.420   106.94
2125.95    0.419   106.62
2126.95    0.419   106.30
2127.95    0.418   105.98
2128.95    0.417   105.66
2129.95    0.416   105.34
2130.95    0.416   105.01
2131.95    0.415   104.68
2132.95    0.414   104.36
2133.95    0.413   104.03
2134.95    0.412   103.69
2135.95    0.410   103.36
2136.95    0.409   103.03
2137.95    0.408   102.69
2138.95    0.407   102.35
2139.95    0.406   102.01
2140.95    0.404   101.67
2141.95    0.403   101.32
2142.95    0.401   100.97
2143.95    0.400   100.62
2144.95    0.398   100.27
2145.95    0.397    99.91
2146.95    0.395    99.55
2147.95    0.393    99.19
2148.95    0.392    98.83
2149.95    0.390    98.46
2150.95    0.388    98.08
2151.95    0.386    97.71
2152.95    0.384    97.33
2153.95    0.382    96.95
2154.95    0.380    96.56
2155.95    0.378    96.17
2156.95    0.376    95.77
2157.95    0.374    95.37
2158.95    0.371    94.96
2159.95    0.369    94.55
2160.95    0.367    94.14






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.


Acknowledgements
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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 17:58:20



www.stella-vega.de