Double Star Calculator - Orbit

Orbital Elements for TOK704BA,BB
WDS: TOK704BA,BB WDS ID/Discoverer
P: 117.000 Orbital period (years)
a: 0.215 Semi-major axis (arcseconds)
i: 65.1 Inclination (degrees)
Ω: 188.5 Longitude of ascending node (degrees)
T: 1935.100 Epoch of periastron passage (year)
e: 0.204 Eccentricity
ω: 294.0 Longitude of periastron (degrees)
Start-Year: 1966.5 Year
End-Year: 2083.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for TOK704BA,BB
Position: 232249.08+203332.1 Epoch-2000 right ascension and declination
WDS-ID: 23228+2034 WDS designation
Discoverer Code: TOK704BA,BB Discover designation and components
ADS number: 16713 Aitken Double Star catalog
HD number: 220334 HD catalog number
Hipparcos number: 115417 Hipparcos catalog number
V1: 6.4 r Magnitude of the primary
V2: 8.4 r Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 9 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2016d Reference

Double Star Orbit for TOK704BA,BB



WDS 6th Orbit including measures of TOK704BA,BB

-- 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 TOK704BA,BB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.212    13.52
--------------------------
1966.50    0.158   217.36
1967.50    0.154   219.77
1968.50    0.149   222.33
1969.50    0.144   225.07
1970.50    0.139   227.99
1971.50    0.135   231.11
1972.50    0.130   234.46
1973.50    0.126   238.04
1974.50    0.122   241.86
1975.50    0.118   245.94
1976.50    0.115   250.26
1977.50    0.112   254.82
1978.50    0.110   259.60
1979.50    0.108   264.55
1980.50    0.107   269.64
1981.50    0.107   274.79
1982.50    0.107   279.95
1983.50    0.108   285.05
1984.50    0.109   290.04
1985.50    0.111   294.85
1986.50    0.114   299.46
1987.50    0.118   303.83
1988.50    0.121   307.95
1989.50    0.125   311.81
1990.50    0.130   315.41
1991.50    0.134   318.78
1992.50    0.139   321.91
1993.50    0.144   324.82
1994.50    0.150   327.53
1995.50    0.155   330.07
1996.50    0.160   332.43
1997.50    0.165   334.65
1998.50    0.170   336.73
1999.50    0.176   338.69
2000.50    0.181   340.53
2001.50    0.186   342.28
2002.50    0.190   343.94
2003.50    0.195   345.52
2004.50    0.199   347.03
2005.50    0.203   348.48
2006.50    0.207   349.87
2007.50    0.211   351.21
2008.50    0.214   352.51
2009.50    0.217   353.76
2010.50    0.220   354.99
2011.50    0.223   356.18
2012.50    0.225   357.35
2013.50    0.227   358.50
2014.50    0.228   359.64
2015.50    0.229     0.76
2016.50    0.230     1.87
2017.50    0.230     2.98
2018.50    0.230     4.09
2019.50    0.229     5.20
2020.50    0.228     6.32
2021.50    0.226     7.46
2022.50    0.224     8.61
2023.50    0.222     9.79
2024.50    0.219    10.99
2025.50    0.216    12.23
2026.50    0.212    13.52
2027.50    0.207    14.86
2028.50    0.202    16.25
2029.50    0.197    17.73
2030.50    0.191    19.29
2031.50    0.184    20.95
2032.50    0.178    22.74
2033.50    0.170    24.68
2034.50    0.163    26.79
2035.50    0.155    29.13
2036.50    0.146    31.72
2037.50    0.137    34.64
2038.50    0.129    37.96
2039.50    0.120    41.77
2040.50    0.111    46.19
2041.50    0.102    51.36
2042.50    0.094    57.45
2043.50    0.087    64.62
2044.50    0.081    72.99
2045.50    0.076    82.54
2046.50    0.074    93.03
2047.50    0.073   103.97
2048.50    0.075   114.69
2049.50    0.079   124.63
2050.50    0.084   133.46
2051.50    0.091   141.08
2052.50    0.099   147.57
2053.50    0.107   153.11
2054.50    0.116   157.84
2055.50    0.124   161.93
2056.50    0.132   165.50
2057.50    0.140   168.65
2058.50    0.148   171.47
2059.50    0.155   174.02
2060.50    0.162   176.35
2061.50    0.168   178.50
2062.50    0.174   180.51
2063.50    0.178   182.40
2064.50    0.183   184.20
2065.50    0.186   185.93
2066.50    0.189   187.59
2067.50    0.191   189.22
2068.50    0.193   190.81
2069.50    0.194   192.37
2070.50    0.194   193.93
2071.50    0.194   195.49
2072.50    0.193   197.05
2073.50    0.192   198.63
2074.50    0.190   200.23
2075.50    0.188   201.87
2076.50    0.185   203.55
2077.50    0.182   205.28
2078.50    0.179   207.08
2079.50    0.175   208.94
2080.50    0.171   210.89
2081.50    0.167   212.94
2082.50    0.163   215.09






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 18:50:33



www.stella-vega.de