Double Star Calculator - Orbit

Orbital Elements for HU994
WDS: HU994 WDS ID/Discoverer
P: 237.700 Orbital period (years)
a: 0.281 Semi-major axis (arcseconds)
i: 82.1 Inclination (degrees)
Ω: 129.6 Longitude of ascending node (degrees)
T: 1967.400 Epoch of periastron passage (year)
e: 0.289 Eccentricity
ω: 128.4 Longitude of periastron (degrees)
Start-Year: 1906.15 Year
End-Year: 2143.85 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU994
Position: 230747.74+633800.5 Epoch-2000 right ascension and declination
WDS-ID: 23078+6338 WDS designation
Discoverer Code: HU994 Discover designation and components
ADS number: 16530 Aitken Double Star catalog
HD number: 218537 HD catalog number
Hipparcos number: 114212 Hipparcos catalog number
V1: 7.16 Magnitude of the primary
V2: 6.87 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 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: Doc2013c Reference

Double Star Orbit for HU994



WDS 6th Orbit including measures of HU994

-- 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 HU994
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.113   329.74
--------------------------
1906.15    0.306   130.25
1907.15    0.303   130.42
1908.15    0.301   130.59
1909.15    0.298   130.76
1910.15    0.295   130.94
1911.15    0.292   131.13
1912.15    0.288   131.31
1913.15    0.285   131.50
1914.15    0.281   131.70
1915.15    0.278   131.90
1916.15    0.274   132.11
1917.15    0.269   132.32
1918.15    0.265   132.54
1919.15    0.261   132.77
1920.15    0.256   133.01
1921.15    0.251   133.25
1922.15    0.246   133.51
1923.15    0.241   133.77
1924.15    0.235   134.05
1925.15    0.230   134.34
1926.15    0.224   134.65
1927.15    0.218   134.97
1928.15    0.212   135.31
1929.15    0.205   135.67
1930.15    0.199   136.06
1931.15    0.192   136.47
1932.15    0.185   136.91
1933.15    0.178   137.38
1934.15    0.171   137.90
1935.15    0.164   138.46
1936.15    0.157   139.07
1937.15    0.149   139.75
1938.15    0.141   140.50
1939.15    0.133   141.33
1940.15    0.125   142.28
1941.15    0.117   143.35
1942.15    0.109   144.59
1943.15    0.100   146.03
1944.15    0.092   147.73
1945.15    0.084   149.77
1946.15    0.075   152.27
1947.15    0.067   155.40
1948.15    0.059   159.40
1949.15    0.051   164.66
1950.15    0.044   171.78
1951.15    0.037   181.58
1952.15    0.032   194.97
1953.15    0.029   212.07
1954.15    0.029   230.81
1955.15    0.032   247.68
1956.15    0.037   260.79
1957.15    0.044   270.37
1958.15    0.051   277.33
1959.15    0.059   282.49
1960.15    0.067   286.43
1961.15    0.076   289.52
1962.15    0.084   291.99
1963.15    0.092   294.03
1964.15    0.100   295.73
1965.15    0.108   297.17
1966.15    0.116   298.42
1967.15    0.124   299.51
1968.15    0.132   300.47
1969.15    0.139   301.33
1970.15    0.146   302.11
1971.15    0.153   302.82
1972.15    0.159   303.46
1973.15    0.166   304.06
1974.15    0.171   304.61
1975.15    0.177   305.13
1976.15    0.182   305.62
1977.15    0.187   306.08
1978.15    0.192   306.52
1979.15    0.196   306.93
1980.15    0.201   307.33
1981.15    0.204   307.72
1982.15    0.208   308.09
1983.15    0.211   308.45
1984.15    0.213   308.80
1985.15    0.216   309.14
1986.15    0.218   309.48
1987.15    0.219   309.80
1988.15    0.221   310.13
1989.15    0.222   310.45
1990.15    0.223   310.77
1991.15    0.223   311.09
1992.15    0.223   311.40
1993.15    0.223   311.72
1994.15    0.223   312.03
1995.15    0.222   312.35
1996.15    0.221   312.67
1997.15    0.220   312.99
1998.15    0.219   313.32
1999.15    0.217   313.65
2000.15    0.216   313.98
2001.15    0.214   314.33
2002.15    0.211   314.68
2003.15    0.209   315.03
2004.15    0.206   315.40
2005.15    0.203   315.77
2006.15    0.200   316.16
2007.15    0.197   316.56
2008.15    0.194   316.97
2009.15    0.190   317.39
2010.15    0.187   317.84
2011.15    0.183   318.30
2012.15    0.179   318.78
2013.15    0.175   319.28
2014.15    0.171   319.81
2015.15    0.167   320.36
2016.15    0.162   320.94
2017.15    0.158   321.55
2018.15    0.153   322.20
2019.15    0.149   322.89
2020.15    0.144   323.63
2021.15    0.139   324.41
2022.15    0.135   325.25
2023.15    0.130   326.15
2024.15    0.125   327.12
2025.15    0.120   328.18
2026.15    0.115   329.32
2027.15    0.110   330.57
2028.15    0.105   331.93
2029.15    0.100   333.43
2030.15    0.095   335.09
2031.15    0.090   336.93
2032.15    0.085   338.98
2033.15    0.080   341.28
2034.15    0.076   343.86
2035.15    0.071   346.78
2036.15    0.067   350.08
2037.15    0.063   353.83
2038.15    0.059   358.10
2039.15    0.055     2.93
2040.15    0.052     8.38
2041.15    0.050    14.45
2042.15    0.048    21.11
2043.15    0.046    28.24
2044.15    0.046    35.68
2045.15    0.046    43.19
2046.15    0.047    50.51
2047.15    0.049    57.45
2048.15    0.051    63.85
2049.15    0.054    69.64
2050.15    0.057    74.80
2051.15    0.061    79.36
2052.15    0.065    83.38
2053.15    0.069    86.91
2054.15    0.073    90.03
2055.15    0.078    92.78
2056.15    0.083    95.22
2057.15    0.088    97.39
2058.15    0.093    99.33
2059.15    0.098   101.07
2060.15    0.103   102.64
2061.15    0.108   104.07
2062.15    0.113   105.36
2063.15    0.118   106.54
2064.15    0.123   107.63
2065.15    0.128   108.63
2066.15    0.133   109.55
2067.15    0.138   110.40
2068.15    0.143   111.19
2069.15    0.149   111.93
2070.15    0.154   112.62
2071.15    0.159   113.27
2072.15    0.164   113.87
2073.15    0.168   114.45
2074.15    0.173   114.98
2075.15    0.178   115.49
2076.15    0.183   115.98
2077.15    0.188   116.43
2078.15    0.192   116.87
2079.15    0.197   117.29
2080.15    0.202   117.68
2081.15    0.206   118.06
2082.15    0.211   118.42
2083.15    0.215   118.77
2084.15    0.219   119.10
2085.15    0.224   119.42
2086.15    0.228   119.73
2087.15    0.232   120.03
2088.15    0.236   120.32
2089.15    0.240   120.59
2090.15    0.244   120.86
2091.15    0.248   121.12
2092.15    0.252   121.37
2093.15    0.255   121.62
2094.15    0.259   121.86
2095.15    0.263   122.09
2096.15    0.266   122.31
2097.15    0.269   122.53
2098.15    0.273   122.75
2099.15    0.276   122.96
2100.15    0.279   123.16
2101.15    0.282   123.36
2102.15    0.285   123.55
2103.15    0.288   123.75
2104.15    0.291   123.93
2105.15    0.293   124.12
2106.15    0.296   124.30
2107.15    0.298   124.48
2108.15    0.301   124.65
2109.15    0.303   124.83
2110.15    0.305   125.00
2111.15    0.307   125.16
2112.15    0.309   125.33
2113.15    0.311   125.49
2114.15    0.313   125.66
2115.15    0.314   125.82
2116.15    0.316   125.97
2117.15    0.317   126.13
2118.15    0.318   126.29
2119.15    0.320   126.44
2120.15    0.321   126.60
2121.15    0.321   126.75
2122.15    0.322   126.90
2123.15    0.323   127.05
2124.15    0.323   127.20
2125.15    0.324   127.35
2126.15    0.324   127.50
2127.15    0.324   127.65
2128.15    0.324   127.80
2129.15    0.324   127.95
2130.15    0.324   128.10
2131.15    0.324   128.25
2132.15    0.323   128.40
2133.15    0.322   128.55
2134.15    0.321   128.70
2135.15    0.321   128.86
2136.15    0.319   129.01
2137.15    0.318   129.17
2138.15    0.317   129.32
2139.15    0.315   129.48
2140.15    0.313   129.64
2141.15    0.312   129.80
2142.15    0.310   129.96
2143.15    0.307   130.13






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 18:47:38



www.stella-vega.de