Double Star Calculator - Orbit

Orbital Elements for HU1185

WDS:	HU1185	WDS ID/Discoverer
P:	240.000	Orbital period (years)
a:	0.383	Semi-major axis (arcseconds)
i:	49.1	Inclination (degrees)
Ω:	14.6	Longitude of ascending node (degrees)
T:	1951.400	Epoch of periastron passage (year)
e:	0.65	Eccentricity
ω:	324.2	Longitude of periastron (degrees)
Start-Year:	1905.0	Year
End-Year:	2145.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1185
Position:	175904.61+322826.3	Epoch-2000 right ascension and declination
WDS-ID:	17591+3228	WDS designation
Discoverer Code:	HU1185	Discover designation and components
ADS number:	10954	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	88057	Hipparcos catalog number
V1:	9.81	Magnitude of the primary
V2:	10.48	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2009	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:	Doc2012i	Reference

Double Star Orbit for HU1185

WDS 6th Orbit including measures of HU1185

-- 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 HU1185

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.442   150.45
--------------------------
1905.00    0.449   196.44
1906.00    0.444   196.99
1907.00    0.438   197.55
1908.00    0.432   198.13
1909.00    0.426   198.73
1910.00    0.420   199.34
1911.00    0.413   199.97
1912.00    0.407   200.62
1913.00    0.400   201.30
1914.00    0.393   201.99
1915.00    0.386   202.72
1916.00    0.379   203.47
1917.00    0.371   204.24
1918.00    0.363   205.06
1919.00    0.356   205.90
1920.00    0.347   206.79
1921.00    0.339   207.72
1922.00    0.331   208.69
1923.00    0.322   209.72
1924.00    0.313   210.81
1925.00    0.304   211.96
1926.00    0.295   213.18
1927.00    0.285   214.49
1928.00    0.275   215.88
1929.00    0.265   217.38
1930.00    0.255   219.00
1931.00    0.244   220.76
1932.00    0.234   222.67
1933.00    0.223   224.78
1934.00    0.212   227.09
1935.00    0.201   229.67
1936.00    0.189   232.55
1937.00    0.178   235.79
1938.00    0.167   239.48
1939.00    0.156   243.70
1940.00    0.145   248.56
1941.00    0.134   254.18
1942.00    0.125   260.71
1943.00    0.116   268.26
1944.00    0.109   276.90
1945.00    0.104   286.55
1946.00    0.101   297.00
1947.00    0.101   307.81
1948.00    0.102   318.48
1949.00    0.106   328.59
1950.00    0.111   337.86
1951.00    0.118   346.23
1952.00    0.124   353.72
1953.00    0.131     0.46
1954.00    0.137     6.58
1955.00    0.142    12.19
1956.00    0.147    17.39
1957.00    0.152    22.28
1958.00    0.156    26.91
1959.00    0.159    31.33
1960.00    0.162    35.59
1961.00    0.165    39.70
1962.00    0.167    43.68
1963.00    0.169    47.56
1964.00    0.171    51.33
1965.00    0.174    55.01
1966.00    0.176    58.60
1967.00    0.178    62.09
1968.00    0.181    65.49
1969.00    0.183    68.80
1970.00    0.186    72.02
1971.00    0.189    75.14
1972.00    0.192    78.16
1973.00    0.195    81.09
1974.00    0.198    83.92
1975.00    0.202    86.65
1976.00    0.206    89.29
1977.00    0.209    91.83
1978.00    0.213    94.28
1979.00    0.218    96.64
1980.00    0.222    98.91
1981.00    0.226   101.09
1982.00    0.231   103.19
1983.00    0.235   105.21
1984.00    0.240   107.16
1985.00    0.244   109.02
1986.00    0.249   110.82
1987.00    0.254   112.55
1988.00    0.259   114.22
1989.00    0.264   115.82
1990.00    0.269   117.37
1991.00    0.274   118.85
1992.00    0.279   120.29
1993.00    0.284   121.67
1994.00    0.289   123.01
1995.00    0.294   124.30
1996.00    0.299   125.54
1997.00    0.304   126.75
1998.00    0.309   127.91
1999.00    0.314   129.04
2000.00    0.319   130.13
2001.00    0.324   131.19
2002.00    0.329   132.21
2003.00    0.334   133.21
2004.00    0.339   134.17
2005.00    0.344   135.11
2006.00    0.349   136.02
2007.00    0.354   136.90
2008.00    0.359   137.77
2009.00    0.364   138.60
2010.00    0.369   139.42
2011.00    0.373   140.22
2012.00    0.378   140.99
2013.00    0.383   141.75
2014.00    0.388   142.48
2015.00    0.392   143.21
2016.00    0.397   143.91
2017.00    0.401   144.60
2018.00    0.406   145.27
2019.00    0.410   145.93
2020.00    0.415   146.57
2021.00    0.419   147.20
2022.00    0.423   147.82
2023.00    0.427   148.42
2024.00    0.432   149.02
2025.00    0.436   149.60
2026.00    0.440   150.17
2027.00    0.444   150.73
2028.00    0.448   151.28
2029.00    0.452   151.82
2030.00    0.456   152.35
2031.00    0.460   152.87
2032.00    0.464   153.39
2033.00    0.467   153.89
2034.00    0.471   154.39
2035.00    0.475   154.88
2036.00    0.478   155.36
2037.00    0.482   155.84
2038.00    0.485   156.31
2039.00    0.489   156.77
2040.00    0.492   157.22
2041.00    0.495   157.67
2042.00    0.498   158.12
2043.00    0.502   158.56
2044.00    0.505   158.99
2045.00    0.508   159.42
2046.00    0.511   159.84
2047.00    0.514   160.25
2048.00    0.517   160.67
2049.00    0.520   161.07
2050.00    0.522   161.48
2051.00    0.525   161.88
2052.00    0.528   162.27
2053.00    0.530   162.66
2054.00    0.533   163.05
2055.00    0.535   163.44
2056.00    0.538   163.82
2057.00    0.540   164.19
2058.00    0.542   164.57
2059.00    0.545   164.94
2060.00    0.547   165.31
2061.00    0.549   165.67
2062.00    0.551   166.03
2063.00    0.553   166.39
2064.00    0.555   166.75
2065.00    0.557   167.10
2066.00    0.558   167.46
2067.00    0.560   167.81
2068.00    0.562   168.15
2069.00    0.563   168.50
2070.00    0.565   168.84
2071.00    0.566   169.19
2072.00    0.568   169.53
2073.00    0.569   169.87
2074.00    0.570   170.20
2075.00    0.571   170.54
2076.00    0.573   170.87
2077.00    0.574   171.21
2078.00    0.575   171.54
2079.00    0.575   171.87
2080.00    0.576   172.20
2081.00    0.577   172.53
2082.00    0.578   172.86
2083.00    0.578   173.19
2084.00    0.579   173.51
2085.00    0.579   173.84
2086.00    0.580   174.16
2087.00    0.580   174.49
2088.00    0.581   174.81
2089.00    0.581   175.14
2090.00    0.581   175.46
2091.00    0.581   175.79
2092.00    0.581   176.11
2093.00    0.581   176.44
2094.00    0.581   176.76
2095.00    0.580   177.09
2096.00    0.580   177.41
2097.00    0.580   177.74
2098.00    0.579   178.06
2099.00    0.579   178.39
2100.00    0.578   178.72
2101.00    0.577   179.05
2102.00    0.576   179.38
2103.00    0.575   179.71
2104.00    0.574   180.04
2105.00    0.573   180.37
2106.00    0.572   180.70
2107.00    0.571   181.04
2108.00    0.570   181.37
2109.00    0.568   181.71
2110.00    0.567   182.05
2111.00    0.565   182.39
2112.00    0.564   182.74
2113.00    0.562   183.08
2114.00    0.560   183.43
2115.00    0.558   183.78
2116.00    0.556   184.13
2117.00    0.554   184.49
2118.00    0.552   184.85
2119.00    0.549   185.21
2120.00    0.547   185.57
2121.00    0.544   185.94
2122.00    0.542   186.31
2123.00    0.539   186.69
2124.00    0.536   187.07
2125.00    0.533   187.45
2126.00    0.530   187.84
2127.00    0.527   188.23
2128.00    0.524   188.63
2129.00    0.520   189.03
2130.00    0.517   189.44
2131.00    0.513   189.85
2132.00    0.509   190.27
2133.00    0.505   190.69
2134.00    0.502   191.13
2135.00    0.497   191.56
2136.00    0.493   192.01
2137.00    0.489   192.46
2138.00    0.484   192.93
2139.00    0.480   193.40
2140.00    0.475   193.88
2141.00    0.470   194.37
2142.00    0.465   194.87
2143.00    0.460   195.38
2144.00    0.455   195.90

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 17:45:40