Double Star Calculator - Orbit

Orbital Elements for SKW1AA,AB
WDS: SKW1AA,AB WDS ID/Discoverer
P: 178.000 Orbital period (years)
a: 0.1 Semi-major axis (arcseconds)
i: 70.0 Inclination (degrees)
Ω: 48.0 Longitude of ascending node (degrees)
T: 2021.000 Epoch of periastron passage (year)
e: 0.31 Eccentricity
ω: 300.0 Longitude of periastron (degrees)
Start-Year: 1936.0 Year
End-Year: 2114.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for SKW1AA,AB
Position: 001125.83+584928.6 Epoch-2000 right ascension and declination
WDS-ID: 00114+5850 WDS designation
Discoverer Code: SKW1AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 15. Magnitude of the primary
V2: 19. Magnitude of the secondary
Equinox: Equinox
Date: 2003 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: SKW2005 Reference

Double Star Orbit for SKW1AA,AB



WDS 6th Orbit including measures of SKW1AA,AB

-- 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 SKW1AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.057    33.02
--------------------------
1936.00    0.083   201.53
1937.00    0.084   202.47
1938.00    0.086   203.38
1939.00    0.087   204.26
1940.00    0.089   205.10
1941.00    0.090   205.92
1942.00    0.092   206.71
1943.00    0.093   207.47
1944.00    0.095   208.22
1945.00    0.096   208.94
1946.00    0.097   209.64
1947.00    0.099   210.33
1948.00    0.100   210.99
1949.00    0.101   211.65
1950.00    0.102   212.28
1951.00    0.103   212.91
1952.00    0.104   213.52
1953.00    0.105   214.12
1954.00    0.106   214.70
1955.00    0.107   215.28
1956.00    0.108   215.85
1957.00    0.109   216.42
1958.00    0.109   216.97
1959.00    0.110   217.52
1960.00    0.110   218.06
1961.00    0.111   218.60
1962.00    0.111   219.13
1963.00    0.112   219.66
1964.00    0.112   220.18
1965.00    0.112   220.71
1966.00    0.112   221.23
1967.00    0.112   221.75
1968.00    0.112   222.27
1969.00    0.112   222.79
1970.00    0.112   223.31
1971.00    0.112   223.84
1972.00    0.112   224.37
1973.00    0.111   224.90
1974.00    0.111   225.43
1975.00    0.110   225.97
1976.00    0.109   226.52
1977.00    0.108   227.08
1978.00    0.108   227.64
1979.00    0.107   228.21
1980.00    0.106   228.80
1981.00    0.104   229.39
1982.00    0.103   230.01
1983.00    0.102   230.63
1984.00    0.100   231.28
1985.00    0.099   231.95
1986.00    0.097   232.63
1987.00    0.095   233.35
1988.00    0.093   234.09
1989.00    0.091   234.87
1990.00    0.089   235.68
1991.00    0.087   236.53
1992.00    0.084   237.43
1993.00    0.082   238.39
1994.00    0.079   239.40
1995.00    0.077   240.49
1996.00    0.074   241.65
1997.00    0.071   242.91
1998.00    0.068   244.28
1999.00    0.065   245.78
2000.00    0.061   247.43
2001.00    0.058   249.27
2002.00    0.055   251.33
2003.00    0.052   253.65
2004.00    0.048   256.30
2005.00    0.045   259.36
2006.00    0.041   262.91
2007.00    0.038   267.09
2008.00    0.035   272.05
2009.00    0.032   277.96
2010.00    0.029   285.00
2011.00    0.027   293.32
2012.00    0.025   302.90
2013.00    0.025   313.50
2014.00    0.024   324.55
2015.00    0.025   335.35
2016.00    0.027   345.27
2017.00    0.029   353.98
2018.00    0.031     1.41
2019.00    0.034     7.66
2020.00    0.037    12.92
2021.00    0.040    17.36
2022.00    0.043    21.14
2023.00    0.047    24.41
2024.00    0.050    27.25
2025.00    0.053    29.76
2026.00    0.056    31.99
2027.00    0.059    34.00
2028.00    0.061    35.82
2029.00    0.064    37.50
2030.00    0.066    39.05
2031.00    0.069    40.49
2032.00    0.071    41.85
2033.00    0.072    43.14
2034.00    0.074    44.36
2035.00    0.076    45.54
2036.00    0.077    46.67
2037.00    0.078    47.76
2038.00    0.079    48.83
2039.00    0.080    49.87
2040.00    0.080    50.90
2041.00    0.081    51.91
2042.00    0.081    52.91
2043.00    0.081    53.91
2044.00    0.081    54.91
2045.00    0.081    55.90
2046.00    0.081    56.91
2047.00    0.080    57.92
2048.00    0.080    58.94
2049.00    0.079    59.98
2050.00    0.079    61.03
2051.00    0.078    62.11
2052.00    0.077    63.21
2053.00    0.076    64.34
2054.00    0.075    65.50
2055.00    0.074    66.69
2056.00    0.072    67.93
2057.00    0.071    69.20
2058.00    0.070    70.53
2059.00    0.068    71.90
2060.00    0.067    73.33
2061.00    0.066    74.83
2062.00    0.064    76.39
2063.00    0.063    78.02
2064.00    0.061    79.74
2065.00    0.060    81.53
2066.00    0.058    83.42
2067.00    0.057    85.41
2068.00    0.055    87.51
2069.00    0.054    89.71
2070.00    0.053    92.04
2071.00    0.051    94.48
2072.00    0.050    97.06
2073.00    0.049    99.77
2074.00    0.048   102.62
2075.00    0.046   105.60
2076.00    0.045   108.72
2077.00    0.045   111.96
2078.00    0.044   115.33
2079.00    0.043   118.79
2080.00    0.043   122.35
2081.00    0.042   125.98
2082.00    0.042   129.66
2083.00    0.042   133.36
2084.00    0.042   137.06
2085.00    0.042   140.74
2086.00    0.043   144.36
2087.00    0.043   147.90
2088.00    0.044   151.35
2089.00    0.045   154.69
2090.00    0.046   157.91
2091.00    0.047   161.00
2092.00    0.048   163.95
2093.00    0.049   166.76
2094.00    0.050   169.43
2095.00    0.052   171.96
2096.00    0.053   174.36
2097.00    0.055   176.64
2098.00    0.056   178.79
2099.00    0.058   180.83
2100.00    0.059   182.75
2101.00    0.061   184.58
2102.00    0.063   186.30
2103.00    0.064   187.94
2104.00    0.066   189.50
2105.00    0.068   190.97
2106.00    0.069   192.37
2107.00    0.071   193.71
2108.00    0.073   194.98
2109.00    0.074   196.20
2110.00    0.076   197.36
2111.00    0.078   198.47
2112.00    0.079   199.53
2113.00    0.081   200.55






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 14:36:25



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