Double Star Calculator - Orbit

Orbital Elements for HU1163
WDS: HU1163 WDS ID/Discoverer
P: 217.000 Orbital period (years)
a: 0.285 Semi-major axis (arcseconds)
i: 23.2 Inclination (degrees)
Ω: 123.0 Longitude of ascending node (degrees)
T: 1989.210 Epoch of periastron passage (year)
e: 0.603 Eccentricity
ω: 305.0 Longitude of periastron (degrees)
Start-Year: 1916.5 Year
End-Year: 2133.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU1163
Position: 153044.95+380948.7 Epoch-2000 right ascension and declination
WDS-ID: 15307+3810 WDS designation
Discoverer Code: HU1163 Discover designation and components
ADS number: 9682 Aitken Double Star catalog
HD number: 138439 HD catalog number
Hipparcos number: 75949 Hipparcos catalog number
V1: 9.23 Magnitude of the primary
V2: 9.73 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1997 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Hrt2000a Reference

Double Star Orbit for HU1163



WDS 6th Orbit including measures of HU1163

-- 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 HU1163
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.280   198.78
--------------------------
1916.50    0.409   269.74
1917.50    0.407   270.33
1918.50    0.406   270.93
1919.50    0.404   271.53
1920.50    0.402   272.14
1921.50    0.400   272.75
1922.50    0.398   273.37
1923.50    0.396   274.00
1924.50    0.394   274.64
1925.50    0.391   275.28
1926.50    0.389   275.93
1927.50    0.387   276.58
1928.50    0.384   277.25
1929.50    0.382   277.92
1930.50    0.379   278.61
1931.50    0.376   279.30
1932.50    0.374   280.00
1933.50    0.371   280.72
1934.50    0.368   281.44
1935.50    0.365   282.18
1936.50    0.362   282.93
1937.50    0.359   283.69
1938.50    0.355   284.46
1939.50    0.352   285.26
1940.50    0.349   286.06
1941.50    0.345   286.88
1942.50    0.342   287.72
1943.50    0.338   288.58
1944.50    0.334   289.45
1945.50    0.330   290.35
1946.50    0.326   291.26
1947.50    0.322   292.20
1948.50    0.318   293.17
1949.50    0.314   294.16
1950.50    0.310   295.17
1951.50    0.305   296.22
1952.50    0.301   297.30
1953.50    0.296   298.41
1954.50    0.291   299.55
1955.50    0.286   300.74
1956.50    0.281   301.96
1957.50    0.276   303.23
1958.50    0.271   304.55
1959.50    0.266   305.92
1960.50    0.260   307.35
1961.50    0.255   308.84
1962.50    0.249   310.39
1963.50    0.243   312.02
1964.50    0.238   313.73
1965.50    0.232   315.52
1966.50    0.225   317.42
1967.50    0.219   319.42
1968.50    0.213   321.53
1969.50    0.206   323.78
1970.50    0.200   326.18
1971.50    0.193   328.74
1972.50    0.186   331.48
1973.50    0.180   334.43
1974.50    0.173   337.62
1975.50    0.166   341.07
1976.50    0.159   344.81
1977.50    0.152   348.89
1978.50    0.146   353.35
1979.50    0.139   358.24
1980.50    0.133     3.59
1981.50    0.127     9.46
1982.50    0.122    15.86
1983.50    0.117    22.83
1984.50    0.113    30.35
1985.50    0.110    38.35
1986.50    0.107    46.75
1987.50    0.106    55.40
1988.50    0.106    64.14
1989.50    0.108    72.79
1990.50    0.110    81.19
1991.50    0.112    89.23
1992.50    0.116    96.83
1993.50    0.120   103.94
1994.50    0.124   110.56
1995.50    0.129   116.71
1996.50    0.134   122.41
1997.50    0.139   127.69
1998.50    0.145   132.60
1999.50    0.150   137.15
2000.50    0.155   141.39
2001.50    0.161   145.35
2002.50    0.166   149.06
2003.50    0.171   152.53
2004.50    0.177   155.79
2005.50    0.182   158.86
2006.50    0.187   161.76
2007.50    0.192   164.50
2008.50    0.198   167.10
2009.50    0.203   169.57
2010.50    0.208   171.91
2011.50    0.213   174.15
2012.50    0.218   176.28
2013.50    0.223   178.32
2014.50    0.227   180.28
2015.50    0.232   182.15
2016.50    0.237   183.95
2017.50    0.241   185.68
2018.50    0.246   187.34
2019.50    0.250   188.94
2020.50    0.255   190.49
2021.50    0.259   191.99
2022.50    0.264   193.43
2023.50    0.268   194.83
2024.50    0.272   196.19
2025.50    0.276   197.50
2026.50    0.280   198.78
2027.50    0.284   200.01
2028.50    0.288   201.22
2029.50    0.292   202.39
2030.50    0.296   203.53
2031.50    0.300   204.65
2032.50    0.304   205.73
2033.50    0.307   206.79
2034.50    0.311   207.82
2035.50    0.315   208.83
2036.50    0.318   209.82
2037.50    0.321   210.79
2038.50    0.325   211.73
2039.50    0.328   212.66
2040.50    0.331   213.57
2041.50    0.335   214.46
2042.50    0.338   215.33
2043.50    0.341   216.19
2044.50    0.344   217.03
2045.50    0.347   217.86
2046.50    0.350   218.67
2047.50    0.353   219.47
2048.50    0.356   220.26
2049.50    0.359   221.03
2050.50    0.361   221.80
2051.50    0.364   222.55
2052.50    0.367   223.29
2053.50    0.369   224.02
2054.50    0.372   224.74
2055.50    0.374   225.45
2056.50    0.377   226.15
2057.50    0.379   226.84
2058.50    0.381   227.53
2059.50    0.384   228.20
2060.50    0.386   228.87
2061.50    0.388   229.53
2062.50    0.390   230.18
2063.50    0.392   230.83
2064.50    0.394   231.47
2065.50    0.396   232.10
2066.50    0.398   232.73
2067.50    0.400   233.35
2068.50    0.402   233.96
2069.50    0.403   234.57
2070.50    0.405   235.18
2071.50    0.407   235.78
2072.50    0.408   236.37
2073.50    0.410   236.96
2074.50    0.411   237.55
2075.50    0.413   238.13
2076.50    0.414   238.71
2077.50    0.416   239.28
2078.50    0.417   239.85
2079.50    0.418   240.42
2080.50    0.419   240.98
2081.50    0.421   241.54
2082.50    0.422   242.10
2083.50    0.423   242.65
2084.50    0.424   243.20
2085.50    0.425   243.75
2086.50    0.426   244.30
2087.50    0.427   244.84
2088.50    0.427   245.38
2089.50    0.428   245.92
2090.50    0.429   246.46
2091.50    0.429   247.00
2092.50    0.430   247.53
2093.50    0.431   248.07
2094.50    0.431   248.60
2095.50    0.432   249.13
2096.50    0.432   249.66
2097.50    0.432   250.19
2098.50    0.433   250.72
2099.50    0.433   251.25
2100.50    0.433   251.77
2101.50    0.433   252.30
2102.50    0.433   252.83
2103.50    0.433   253.35
2104.50    0.433   253.88
2105.50    0.433   254.40
2106.50    0.433   254.93
2107.50    0.433   255.46
2108.50    0.433   255.98
2109.50    0.433   256.51
2110.50    0.432   257.04
2111.50    0.432   257.57
2112.50    0.431   258.10
2113.50    0.431   258.63
2114.50    0.430   259.16
2115.50    0.430   259.70
2116.50    0.429   260.23
2117.50    0.428   260.77
2118.50    0.428   261.31
2119.50    0.427   261.85
2120.50    0.426   262.40
2121.50    0.425   262.94
2122.50    0.424   263.49
2123.50    0.423   264.04
2124.50    0.422   264.59
2125.50    0.421   265.15
2126.50    0.419   265.71
2127.50    0.418   266.27
2128.50    0.417   266.84
2129.50    0.415   267.41
2130.50    0.414   267.99
2131.50    0.412   268.57
2132.50    0.411   269.15






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 17:16:10



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