Double Star Calculator - Orbit

Orbital Elements for HEI568
WDS: HEI568 WDS ID/Discoverer
P: 205.160 Orbital period (years)
a: 0.399 Semi-major axis (arcseconds)
i: 134.3 Inclination (degrees)
Ω: 94.5 Longitude of ascending node (degrees)
T: 2014.600 Epoch of periastron passage (year)
e: 0.23 Eccentricity
ω: 201.4 Longitude of periastron (degrees)
Start-Year: 1922.42 Year
End-Year: 2127.58 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HEI568
Position: 190658.60+110416.7 Epoch-2000 right ascension and declination
WDS-ID: 19070+1104 WDS designation
Discoverer Code: HEI568 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 178125 HD catalog number
Hipparcos number: 93867 Hipparcos catalog number
V1: 5.44 Magnitude of the primary
V2: 6.39 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Zir2010 Reference

Double Star Orbit for HEI568



WDS 6th Orbit including measures of HEI568

-- 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 HEI568
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.257   229.63
--------------------------
1922.42    0.449    69.95
1923.42    0.446    69.00
1924.42    0.442    68.04
1925.42    0.439    67.06
1926.42    0.436    66.07
1927.42    0.432    65.06
1928.42    0.429    64.03
1929.42    0.425    62.99
1930.42    0.421    61.93
1931.42    0.418    60.85
1932.42    0.414    59.75
1933.42    0.410    58.63
1934.42    0.406    57.49
1935.42    0.402    56.32
1936.42    0.397    55.13
1937.42    0.393    53.92
1938.42    0.389    52.68
1939.42    0.385    51.41
1940.42    0.380    50.11
1941.42    0.376    48.79
1942.42    0.372    47.43
1943.42    0.367    46.04
1944.42    0.363    44.61
1945.42    0.359    43.16
1946.42    0.355    41.67
1947.42    0.350    40.14
1948.42    0.346    38.57
1949.42    0.342    36.96
1950.42    0.338    35.32
1951.42    0.334    33.63
1952.42    0.330    31.90
1953.42    0.326    30.14
1954.42    0.322    28.32
1955.42    0.318    26.47
1956.42    0.314    24.57
1957.42    0.311    22.63
1958.42    0.308    20.64
1959.42    0.304    18.62
1960.42    0.301    16.55
1961.42    0.299    14.44
1962.42    0.296    12.29
1963.42    0.293    10.10
1964.42    0.291     7.88
1965.42    0.289     5.62
1966.42    0.287     3.34
1967.42    0.286     1.02
1968.42    0.284   358.68
1969.42    0.283   356.32
1970.42    0.282   353.93
1971.42    0.281   351.54
1972.42    0.281   349.13
1973.42    0.280   346.72
1974.42    0.280   344.30
1975.42    0.280   341.88
1976.42    0.281   339.47
1977.42    0.281   337.06
1978.42    0.282   334.67
1979.42    0.283   332.29
1980.42    0.284   329.92
1981.42    0.285   327.58
1982.42    0.286   325.25
1983.42    0.288   322.95
1984.42    0.290   320.67
1985.42    0.291   318.42
1986.42    0.293   316.19
1987.42    0.295   313.99
1988.42    0.296   311.82
1989.42    0.298   309.67
1990.42    0.300   307.55
1991.42    0.302   305.45
1992.42    0.303   303.38
1993.42    0.305   301.33
1994.42    0.307   299.30
1995.42    0.308   297.29
1996.42    0.309   295.30
1997.42    0.310   293.32
1998.42    0.311   291.36
1999.42    0.312   289.41
2000.42    0.313   287.46
2001.42    0.313   285.52
2002.42    0.313   283.59
2003.42    0.313   281.66
2004.42    0.313   279.73
2005.42    0.313   277.79
2006.42    0.312   275.84
2007.42    0.311   273.88
2008.42    0.310   271.91
2009.42    0.308   269.92
2010.42    0.306   267.91
2011.42    0.304   265.87
2012.42    0.302   263.81
2013.42    0.300   261.71
2014.42    0.297   259.58
2015.42    0.294   257.41
2016.42    0.291   255.19
2017.42    0.288   252.93
2018.42    0.285   250.61
2019.42    0.281   248.24
2020.42    0.278   245.82
2021.42    0.274   243.33
2022.42    0.271   240.77
2023.42    0.267   238.15
2024.42    0.264   235.45
2025.42    0.260   232.69
2026.42    0.257   229.86
2027.42    0.254   226.95
2028.42    0.251   223.98
2029.42    0.249   220.94
2030.42    0.246   217.84
2031.42    0.244   214.68
2032.42    0.242   211.47
2033.42    0.241   208.22
2034.42    0.240   204.94
2035.42    0.240   201.64
2036.42    0.239   198.33
2037.42    0.240   195.02
2038.42    0.240   191.72
2039.42    0.242   188.45
2040.42    0.243   185.21
2041.42    0.245   182.03
2042.42    0.247   178.89
2043.42    0.250   175.83
2044.42    0.253   172.83
2045.42    0.257   169.92
2046.42    0.261   167.08
2047.42    0.265   164.33
2048.42    0.269   161.67
2049.42    0.274   159.10
2050.42    0.279   156.61
2051.42    0.284   154.21
2052.42    0.289   151.90
2053.42    0.295   149.67
2054.42    0.300   147.52
2055.42    0.306   145.45
2056.42    0.311   143.46
2057.42    0.317   141.53
2058.42    0.323   139.68
2059.42    0.329   137.89
2060.42    0.334   136.16
2061.42    0.340   134.49
2062.42    0.346   132.88
2063.42    0.352   131.32
2064.42    0.358   129.81
2065.42    0.363   128.35
2066.42    0.369   126.93
2067.42    0.374   125.55
2068.42    0.380   124.22
2069.42    0.385   122.92
2070.42    0.390   121.66
2071.42    0.395   120.43
2072.42    0.400   119.23
2073.42    0.405   118.06
2074.42    0.410   116.91
2075.42    0.415   115.80
2076.42    0.419   114.71
2077.42    0.424   113.64
2078.42    0.428   112.59
2079.42    0.432   111.56
2080.42    0.436   110.55
2081.42    0.440   109.56
2082.42    0.443   108.59
2083.42    0.447   107.63
2084.42    0.450   106.69
2085.42    0.454   105.76
2086.42    0.457   104.84
2087.42    0.459   103.94
2088.42    0.462   103.04
2089.42    0.465   102.16
2090.42    0.467   101.29
2091.42    0.469   100.42
2092.42    0.472    99.56
2093.42    0.473    98.71
2094.42    0.475    97.87
2095.42    0.477    97.03
2096.42    0.478    96.20
2097.42    0.480    95.37
2098.42    0.481    94.55
2099.42    0.482    93.73
2100.42    0.483    92.91
2101.42    0.483    92.10
2102.42    0.484    91.29
2103.42    0.484    90.47
2104.42    0.484    89.66
2105.42    0.484    88.86
2106.42    0.484    88.05
2107.42    0.484    87.24
2108.42    0.484    86.43
2109.42    0.483    85.61
2110.42    0.482    84.80
2111.42    0.481    83.98
2112.42    0.480    83.16
2113.42    0.479    82.33
2114.42    0.478    81.51
2115.42    0.477    80.67
2116.42    0.475    79.83
2117.42    0.473    78.99
2118.42    0.471    78.14
2119.42    0.470    77.28
2120.42    0.467    76.42
2121.42    0.465    75.54
2122.42    0.463    74.66
2123.42    0.460    73.77
2124.42    0.458    72.87
2125.42    0.455    71.96
2126.42    0.452    71.03
2127.42    0.449    70.10






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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 18:00:08



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