Double Star Calculator - Orbit

Orbital Elements for HU1617

WDS:	HU1617	WDS ID/Discoverer
P:	200.000	Orbital period (years)
a:	0.351	Semi-major axis (arcseconds)
i:	84.4	Inclination (degrees)
Ω:	111.0	Longitude of ascending node (degrees)
T:	2058.840	Epoch of periastron passage (year)
e:	0.351	Eccentricity
ω:	248.1	Longitude of periastron (degrees)
Start-Year:	1925.0	Year
End-Year:	2125.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1617
Position:	204015.16-511345.7	Epoch-2000 right ascension and declination
WDS-ID:	20403-5114	WDS designation
Discoverer Code:	HU1617	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	196537	HD catalog number
Hipparcos number:	102006	Hipparcos catalog number
V1:	8.5	Magnitude of the primary
V2:	9.0	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	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:	Tok2021f	Reference

Double Star Orbit for HU1617

WDS 6th Orbit including measures of HU1617

-- 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 HU1617

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.280   287.69
--------------------------
1925.00    0.358   114.91
1926.00    0.355   115.07
1927.00    0.352   115.24
1928.00    0.348   115.40
1929.00    0.345   115.57
1930.00    0.341   115.74
1931.00    0.338   115.92
1932.00    0.334   116.10
1933.00    0.329   116.28
1934.00    0.325   116.47
1935.00    0.321   116.67
1936.00    0.316   116.87
1937.00    0.312   117.07
1938.00    0.307   117.28
1939.00    0.302   117.50
1940.00    0.297   117.73
1941.00    0.292   117.96
1942.00    0.286   118.21
1943.00    0.281   118.46
1944.00    0.275   118.72
1945.00    0.270   118.99
1946.00    0.264   119.28
1947.00    0.258   119.58
1948.00    0.252   119.89
1949.00    0.246   120.21
1950.00    0.240   120.56
1951.00    0.234   120.92
1952.00    0.227   121.30
1953.00    0.221   121.71
1954.00    0.214   122.13
1955.00    0.208   122.59
1956.00    0.201   123.07
1957.00    0.194   123.59
1958.00    0.188   124.15
1959.00    0.181   124.74
1960.00    0.174   125.39
1961.00    0.167   126.08
1962.00    0.160   126.84
1963.00    0.153   127.66
1964.00    0.146   128.57
1965.00    0.139   129.56
1966.00    0.132   130.67
1967.00    0.125   131.89
1968.00    0.118   133.26
1969.00    0.111   134.81
1970.00    0.104   136.56
1971.00    0.097   138.56
1972.00    0.091   140.86
1973.00    0.084   143.53
1974.00    0.077   146.65
1975.00    0.071   150.33
1976.00    0.065   154.70
1977.00    0.060   159.90
1978.00    0.055   166.09
1979.00    0.051   173.41
1980.00    0.047   181.88
1981.00    0.045   191.35
1982.00    0.045   201.44
1983.00    0.045   211.58
1984.00    0.047   221.16
1985.00    0.050   229.77
1986.00    0.054   237.23
1987.00    0.059   243.57
1988.00    0.065   248.89
1989.00    0.070   253.36
1990.00    0.077   257.12
1991.00    0.083   260.32
1992.00    0.090   263.04
1993.00    0.096   265.39
1994.00    0.103   267.43
1995.00    0.110   269.22
1996.00    0.117   270.79
1997.00    0.124   272.19
1998.00    0.131   273.44
1999.00    0.138   274.57
2000.00    0.145   275.59
2001.00    0.151   276.51
2002.00    0.158   277.36
2003.00    0.165   278.13
2004.00    0.172   278.85
2005.00    0.178   279.51
2006.00    0.185   280.13
2007.00    0.191   280.70
2008.00    0.197   281.24
2009.00    0.203   281.75
2010.00    0.209   282.22
2011.00    0.215   282.67
2012.00    0.221   283.10
2013.00    0.226   283.50
2014.00    0.232   283.89
2015.00    0.237   284.26
2016.00    0.242   284.61
2017.00    0.247   284.95
2018.00    0.251   285.28
2019.00    0.256   285.59
2020.00    0.260   285.90
2021.00    0.264   286.19
2022.00    0.267   286.48
2023.00    0.271   286.76
2024.00    0.274   287.03
2025.00    0.277   287.30
2026.00    0.279   287.56
2027.00    0.281   287.82
2028.00    0.283   288.07
2029.00    0.284   288.33
2030.00    0.285   288.58
2031.00    0.286   288.82
2032.00    0.286   289.07
2033.00    0.286   289.32
2034.00    0.285   289.57
2035.00    0.284   289.82
2036.00    0.282   290.07
2037.00    0.280   290.33
2038.00    0.277   290.59
2039.00    0.274   290.85
2040.00    0.270   291.13
2041.00    0.266   291.41
2042.00    0.261   291.70
2043.00    0.255   292.01
2044.00    0.249   292.32
2045.00    0.242   292.66
2046.00    0.235   293.02
2047.00    0.227   293.40
2048.00    0.218   293.81
2049.00    0.209   294.25
2050.00    0.199   294.74
2051.00    0.188   295.28
2052.00    0.177   295.89
2053.00    0.165   296.58
2054.00    0.153   297.39
2055.00    0.140   298.33
2056.00    0.127   299.47
2057.00    0.113   300.88
2058.00    0.099   302.68
2059.00    0.085   305.08
2060.00    0.071   308.44
2061.00    0.057   313.47
2062.00    0.043   321.77
2063.00    0.031   337.05
2064.00    0.023     6.19
2065.00    0.025    43.97
2066.00    0.034    68.88
2067.00    0.047    81.76
2068.00    0.060    88.96
2069.00    0.075    93.44
2070.00    0.089    96.48
2071.00    0.103    98.68
2072.00    0.117   100.35
2073.00    0.131   101.67
2074.00    0.145   102.73
2075.00    0.158   103.62
2076.00    0.171   104.37
2077.00    0.183   105.01
2078.00    0.196   105.58
2079.00    0.207   106.08
2080.00    0.219   106.53
2081.00    0.230   106.93
2082.00    0.240   107.30
2083.00    0.250   107.63
2084.00    0.260   107.95
2085.00    0.269   108.24
2086.00    0.278   108.51
2087.00    0.286   108.76
2088.00    0.294   109.00
2089.00    0.302   109.23
2090.00    0.309   109.45
2091.00    0.316   109.66
2092.00    0.322   109.86
2093.00    0.328   110.05
2094.00    0.333   110.23
2095.00    0.339   110.41
2096.00    0.344   110.59
2097.00    0.348   110.76
2098.00    0.352   110.92
2099.00    0.356   111.08
2100.00    0.360   111.24
2101.00    0.363   111.40
2102.00    0.366   111.55
2103.00    0.368   111.70
2104.00    0.370   111.85
2105.00    0.372   112.00
2106.00    0.374   112.14
2107.00    0.375   112.29
2108.00    0.376   112.43
2109.00    0.377   112.57
2110.00    0.378   112.71
2111.00    0.378   112.86
2112.00    0.378   113.00
2113.00    0.378   113.14
2114.00    0.377   113.28
2115.00    0.377   113.43
2116.00    0.376   113.57
2117.00    0.375   113.71
2118.00    0.373   113.86
2119.00    0.372   114.00
2120.00    0.370   114.15
2121.00    0.368   114.30
2122.00    0.366   114.45
2123.00    0.363   114.60
2124.00    0.361   114.76

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 18:17:46