Double Star Calculator - Orbit

Orbital Elements for HDS3294AB

WDS:	HDS3294AB	WDS ID/Discoverer
P:	150.000	Orbital period (years)
a:	0.516	Semi-major axis (arcseconds)
i:	81.4	Inclination (degrees)
Ω:	261.3	Longitude of ascending node (degrees)
T:	2020.238	Epoch of periastron passage (year)
e:	0.77	Eccentricity
ω:	110.7	Longitude of periastron (degrees)
Start-Year:	1950.0	Year
End-Year:	2100.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3294AB
Position:	230644.94-660430.8	Epoch-2000 right ascension and declination
WDS-ID:	23067-6605	WDS designation
Discoverer Code:	HDS3294AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	120306	Hipparcos catalog number
V1:	11.64	Magnitude of the primary
V2:	12.15	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2021c	Reference

Double Star Orbit for HDS3294AB

WDS 6th Orbit including measures of HDS3294AB

-- 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 HDS3294AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.211    86.68
--------------------------
1950.00    0.378   241.92
1951.00    0.384   242.34
1952.00    0.390   242.75
1953.00    0.396   243.14
1954.00    0.402   243.53
1955.00    0.407   243.90
1956.00    0.413   244.26
1957.00    0.418   244.62
1958.00    0.424   244.96
1959.00    0.429   245.29
1960.00    0.434   245.62
1961.00    0.439   245.94
1962.00    0.444   246.25
1963.00    0.449   246.56
1964.00    0.453   246.86
1965.00    0.457   247.15
1966.00    0.462   247.44
1967.00    0.466   247.73
1968.00    0.470   248.01
1969.00    0.473   248.28
1970.00    0.477   248.55
1971.00    0.480   248.82
1972.00    0.483   249.08
1973.00    0.486   249.34
1974.00    0.489   249.59
1975.00    0.492   249.85
1976.00    0.494   250.10
1977.00    0.496   250.35
1978.00    0.498   250.59
1979.00    0.500   250.84
1980.00    0.501   251.08
1981.00    0.502   251.32
1982.00    0.503   251.57
1983.00    0.504   251.81
1984.00    0.504   252.05
1985.00    0.505   252.28
1986.00    0.504   252.52
1987.00    0.504   252.76
1988.00    0.503   253.00
1989.00    0.502   253.25
1990.00    0.500   253.49
1991.00    0.498   253.73
1992.00    0.496   253.98
1993.00    0.493   254.23
1994.00    0.489   254.48
1995.00    0.486   254.74
1996.00    0.481   255.00
1997.00    0.477   255.27
1998.00    0.471   255.54
1999.00    0.465   255.82
2000.00    0.458   256.10
2001.00    0.451   256.40
2002.00    0.443   256.70
2003.00    0.434   257.02
2004.00    0.424   257.35
2005.00    0.413   257.70
2006.00    0.401   258.07
2007.00    0.388   258.46
2008.00    0.373   258.88
2009.00    0.357   259.34
2010.00    0.339   259.84
2011.00    0.319   260.40
2012.00    0.297   261.05
2013.00    0.272   261.80
2014.00    0.244   262.71
2015.00    0.213   263.88
2016.00    0.176   265.50
2017.00    0.134   268.07
2018.00    0.086   273.28
2019.00    0.035   293.60
2020.00    0.033    50.01
2021.00    0.084    71.97
2022.00    0.126    77.65
2023.00    0.158    80.67
2024.00    0.181    82.78
2025.00    0.196    84.49
2026.00    0.207    85.98
2027.00    0.214    87.36
2028.00    0.218    88.66
2029.00    0.220    89.93
2030.00    0.220    91.19
2031.00    0.219    92.45
2032.00    0.217    93.73
2033.00    0.214    95.04
2034.00    0.210    96.40
2035.00    0.206    97.81
2036.00    0.201    99.28
2037.00    0.196   100.83
2038.00    0.190   102.46
2039.00    0.185   104.20
2040.00    0.179   106.04
2041.00    0.173   108.01
2042.00    0.167   110.12
2043.00    0.161   112.38
2044.00    0.155   114.82
2045.00    0.150   117.44
2046.00    0.144   120.28
2047.00    0.139   123.33
2048.00    0.134   126.63
2049.00    0.129   130.18
2050.00    0.125   133.98
2051.00    0.121   138.04
2052.00    0.117   142.34
2053.00    0.115   146.87
2054.00    0.113   151.58
2055.00    0.112   156.43
2056.00    0.111   161.35
2057.00    0.111   166.29
2058.00    0.112   171.18
2059.00    0.114   175.95
2060.00    0.116   180.54
2061.00    0.119   184.93
2062.00    0.123   189.08
2063.00    0.127   192.97
2064.00    0.132   196.59
2065.00    0.137   199.95
2066.00    0.143   203.07
2067.00    0.149   205.94
2068.00    0.155   208.59
2069.00    0.161   211.04
2070.00    0.168   213.30
2071.00    0.174   215.38
2072.00    0.181   217.31
2073.00    0.188   219.10
2074.00    0.195   220.75
2075.00    0.203   222.29
2076.00    0.210   223.73
2077.00    0.217   225.07
2078.00    0.224   226.32
2079.00    0.232   227.49
2080.00    0.239   228.59
2081.00    0.246   229.62
2082.00    0.254   230.60
2083.00    0.261   231.52
2084.00    0.268   232.39
2085.00    0.276   233.21
2086.00    0.283   233.99
2087.00    0.290   234.74
2088.00    0.297   235.44
2089.00    0.304   236.12
2090.00    0.311   236.76
2091.00    0.318   237.37
2092.00    0.325   237.96
2093.00    0.332   238.53
2094.00    0.339   239.07
2095.00    0.346   239.59
2096.00    0.352   240.09
2097.00    0.359   240.57
2098.00    0.365   241.04
2099.00    0.372   241.49

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 18:47:14