Double Star Calculator - Orbit

Orbital Elements for HDS3179

WDS:	HDS3179	WDS ID/Discoverer
P:	200.000	Orbital period (years)
a:	0.523	Semi-major axis (arcseconds)
i:	58.8	Inclination (degrees)
Ω:	40.7	Longitude of ascending node (degrees)
T:	2000.980	Epoch of periastron passage (year)
e:	0.882	Eccentricity
ω:	344.0	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 HDS3179
Position:	222531.22-153555.9	Epoch-2000 right ascension and declination
WDS-ID:	22255-1536	WDS designation
Discoverer Code:	HDS3179	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	212560	HD catalog number
Hipparcos number:	110689	Hipparcos catalog number
V1:	8.48	Magnitude of the primary
V2:	10.99	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	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:	Tok2023a	Reference

Double Star Orbit for HDS3179

WDS 6th Orbit including measures of HDS3179

-- 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 HDS3179

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.473   196.20
--------------------------
1925.00    0.936   215.43
1926.00    0.933   215.57
1927.00    0.931   215.71
1928.00    0.928   215.84
1929.00    0.925   215.98
1930.00    0.921   216.13
1931.00    0.918   216.27
1932.00    0.914   216.41
1933.00    0.910   216.56
1934.00    0.907   216.70
1935.00    0.903   216.85
1936.00    0.898   217.00
1937.00    0.894   217.15
1938.00    0.889   217.30
1939.00    0.885   217.45
1940.00    0.880   217.60
1941.00    0.875   217.76
1942.00    0.869   217.92
1943.00    0.864   218.08
1944.00    0.858   218.24
1945.00    0.853   218.41
1946.00    0.847   218.57
1947.00    0.840   218.74
1948.00    0.834   218.91
1949.00    0.827   219.09
1950.00    0.821   219.26
1951.00    0.814   219.44
1952.00    0.807   219.63
1953.00    0.799   219.81
1954.00    0.792   220.00
1955.00    0.784   220.20
1956.00    0.776   220.39
1957.00    0.768   220.60
1958.00    0.759   220.80
1959.00    0.750   221.01
1960.00    0.741   221.23
1961.00    0.732   221.45
1962.00    0.723   221.68
1963.00    0.713   221.91
1964.00    0.703   222.15
1965.00    0.693   222.40
1966.00    0.682   222.65
1967.00    0.671   222.91
1968.00    0.660   223.19
1969.00    0.649   223.47
1970.00    0.637   223.76
1971.00    0.625   224.06
1972.00    0.613   224.37
1973.00    0.600   224.70
1974.00    0.587   225.04
1975.00    0.573   225.40
1976.00    0.560   225.77
1977.00    0.545   226.17
1978.00    0.531   226.58
1979.00    0.515   227.02
1980.00    0.500   227.49
1981.00    0.484   227.98
1982.00    0.467   228.52
1983.00    0.450   229.09
1984.00    0.432   229.71
1985.00    0.413   230.38
1986.00    0.394   231.12
1987.00    0.374   231.93
1988.00    0.354   232.84
1989.00    0.332   233.86
1990.00    0.310   235.03
1991.00    0.286   236.39
1992.00    0.262   237.99
1993.00    0.236   239.94
1994.00    0.209   242.38
1995.00    0.180   245.58
1996.00    0.149   250.04
1997.00    0.117   256.88
1998.00    0.085   268.98
1999.00    0.055   295.33
2000.00    0.046   348.65
2001.00    0.060    32.92
2002.00    0.065    62.46
2003.00    0.065    91.31
2004.00    0.071   117.92
2005.00    0.086   137.73
2006.00    0.105   151.11
2007.00    0.126   160.24
2008.00    0.147   166.74
2009.00    0.168   171.60
2010.00    0.190   175.36
2011.00    0.210   178.37
2012.00    0.230   180.86
2013.00    0.250   182.94
2014.00    0.269   184.72
2015.00    0.288   186.27
2016.00    0.306   187.64
2017.00    0.324   188.85
2018.00    0.341   189.94
2019.00    0.358   190.92
2020.00    0.375   191.82
2021.00    0.391   192.64
2022.00    0.406   193.39
2023.00    0.422   194.10
2024.00    0.437   194.75
2025.00    0.451   195.36
2026.00    0.465   195.93
2027.00    0.479   196.47
2028.00    0.493   196.98
2029.00    0.506   197.46
2030.00    0.520   197.92
2031.00    0.532   198.35
2032.00    0.545   198.76
2033.00    0.557   199.16
2034.00    0.569   199.54
2035.00    0.581   199.90
2036.00    0.592   200.25
2037.00    0.604   200.59
2038.00    0.615   200.91
2039.00    0.625   201.22
2040.00    0.636   201.53
2041.00    0.646   201.82
2042.00    0.656   202.10
2043.00    0.666   202.38
2044.00    0.676   202.64
2045.00    0.686   202.90
2046.00    0.695   203.16
2047.00    0.704   203.40
2048.00    0.713   203.64
2049.00    0.722   203.88
2050.00    0.730   204.10
2051.00    0.738   204.33
2052.00    0.747   204.54
2053.00    0.755   204.76
2054.00    0.762   204.97
2055.00    0.770   205.17
2056.00    0.778   205.37
2057.00    0.785   205.57
2058.00    0.792   205.76
2059.00    0.799   205.95
2060.00    0.806   206.14
2061.00    0.812   206.32
2062.00    0.819   206.50
2063.00    0.825   206.68
2064.00    0.831   206.86
2065.00    0.837   207.03
2066.00    0.843   207.20
2067.00    0.849   207.37
2068.00    0.854   207.53
2069.00    0.860   207.70
2070.00    0.865   207.86
2071.00    0.870   208.02
2072.00    0.875   208.18
2073.00    0.880   208.33
2074.00    0.884   208.49
2075.00    0.889   208.64
2076.00    0.893   208.79
2077.00    0.897   208.94
2078.00    0.901   209.09
2079.00    0.905   209.24
2080.00    0.909   209.38
2081.00    0.913   209.53
2082.00    0.916   209.67
2083.00    0.920   209.81
2084.00    0.923   209.96
2085.00    0.926   210.10
2086.00    0.929   210.24
2087.00    0.932   210.37
2088.00    0.934   210.51
2089.00    0.937   210.65
2090.00    0.939   210.79
2091.00    0.942   210.92
2092.00    0.944   211.06
2093.00    0.946   211.19
2094.00    0.947   211.33
2095.00    0.949   211.46
2096.00    0.951   211.59
2097.00    0.952   211.73
2098.00    0.953   211.86
2099.00    0.955   211.99
2100.00    0.956   212.12
2101.00    0.957   212.25
2102.00    0.957   212.38
2103.00    0.958   212.52
2104.00    0.958   212.65
2105.00    0.959   212.78
2106.00    0.959   212.91
2107.00    0.959   213.04
2108.00    0.959   213.17
2109.00    0.959   213.30
2110.00    0.958   213.43
2111.00    0.958   213.56
2112.00    0.957   213.69
2113.00    0.956   213.82
2114.00    0.956   213.96
2115.00    0.955   214.09
2116.00    0.953   214.22
2117.00    0.952   214.35
2118.00    0.950   214.49
2119.00    0.949   214.62
2120.00    0.947   214.75
2121.00    0.945   214.89
2122.00    0.943   215.02
2123.00    0.941   215.16
2124.00    0.939   215.29

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 18:39:41