Double Star Calculator - Orbit

Orbital Elements for VYS2AB

WDS:	VYS2AB	WDS ID/Discoverer
P:	222.300	Orbital period (years)
a:	3.31	Semi-major axis (arcseconds)
i:	47.3	Inclination (degrees)
Ω:	174.7	Longitude of ascending node (degrees)
T:	2081.840	Epoch of periastron passage (year)
e:	0.296	Eccentricity
ω:	146.2	Longitude of periastron (degrees)
Start-Year:	1913.85	Year
End-Year:	2136.15	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for VYS2AB
Position:	003229.43+671408.8	Epoch-2000 right ascension and declination
WDS-ID:	00321+6715	WDS designation
Discoverer Code:	VYS2AB	Discover designation and components
ADS number:	440	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	2552	Hipparcos catalog number
V1:	10.62	Magnitude of the primary
V2:	12.20	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2005	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Doc2006g	Reference

Double Star Orbit for VYS2AB

WDS 6th Orbit including measures of VYS2AB

-- 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 VYS2AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    3.411   191.77
--------------------------
1913.85    2.414    79.79
1914.85    2.428    81.75
1915.85    2.443    83.69
1916.85    2.460    85.60
1917.85    2.477    87.49
1918.85    2.496    89.35
1919.85    2.516    91.18
1920.85    2.537    92.98
1921.85    2.559    94.75
1922.85    2.581    96.49
1923.85    2.605    98.20
1924.85    2.630    99.88
1925.85    2.656   101.53
1926.85    2.682   103.14
1927.85    2.709   104.72
1928.85    2.737   106.27
1929.85    2.765   107.79
1930.85    2.794   109.28
1931.85    2.823   110.74
1932.85    2.853   112.16
1933.85    2.884   113.56
1934.85    2.914   114.93
1935.85    2.945   116.27
1936.85    2.976   117.58
1937.85    3.008   118.86
1938.85    3.039   120.12
1939.85    3.071   121.35
1940.85    3.102   122.56
1941.85    3.134   123.74
1942.85    3.166   124.90
1943.85    3.198   126.03
1944.85    3.229   127.15
1945.85    3.261   128.24
1946.85    3.292   129.31
1947.85    3.323   130.36
1948.85    3.354   131.39
1949.85    3.384   132.40
1950.85    3.415   133.40
1951.85    3.445   134.37
1952.85    3.474   135.33
1953.85    3.503   136.28
1954.85    3.532   137.21
1955.85    3.561   138.12
1956.85    3.588   139.02
1957.85    3.616   139.91
1958.85    3.643   140.78
1959.85    3.669   141.64
1960.85    3.695   142.49
1961.85    3.720   143.32
1962.85    3.745   144.15
1963.85    3.769   144.96
1964.85    3.792   145.77
1965.85    3.815   146.56
1966.85    3.837   147.35
1967.85    3.858   148.12
1968.85    3.879   148.89
1969.85    3.899   149.65
1970.85    3.918   150.40
1971.85    3.936   151.15
1972.85    3.954   151.89
1973.85    3.971   152.62
1974.85    3.987   153.34
1975.85    4.002   154.06
1976.85    4.016   154.78
1977.85    4.029   155.49
1978.85    4.042   156.20
1979.85    4.054   156.90
1980.85    4.064   157.59
1981.85    4.074   158.29
1982.85    4.083   158.98
1983.85    4.091   159.67
1984.85    4.098   160.35
1985.85    4.104   161.04
1986.85    4.109   161.72
1987.85    4.113   162.40
1988.85    4.116   163.08
1989.85    4.118   163.76
1990.85    4.119   164.43
1991.85    4.119   165.11
1992.85    4.118   165.79
1993.85    4.116   166.47
1994.85    4.113   167.14
1995.85    4.108   167.83
1996.85    4.103   168.51
1997.85    4.096   169.19
1998.85    4.089   169.88
1999.85    4.080   170.57
2000.85    4.070   171.26
2001.85    4.059   171.95
2002.85    4.047   172.65
2003.85    4.033   173.36
2004.85    4.019   174.07
2005.85    4.003   174.78
2006.85    3.986   175.50
2007.85    3.968   176.23
2008.85    3.949   176.96
2009.85    3.929   177.70
2010.85    3.907   178.45
2011.85    3.884   179.21
2012.85    3.860   179.97
2013.85    3.835   180.75
2014.85    3.808   181.54
2015.85    3.781   182.34
2016.85    3.752   183.15
2017.85    3.722   183.97
2018.85    3.690   184.81
2019.85    3.658   185.66
2020.85    3.624   186.52
2021.85    3.589   187.41
2022.85    3.553   188.31
2023.85    3.515   189.23
2024.85    3.477   190.17
2025.85    3.437   191.13
2026.85    3.396   192.12
2027.85    3.354   193.12
2028.85    3.311   194.16
2029.85    3.267   195.22
2030.85    3.221   196.31
2031.85    3.175   197.44
2032.85    3.128   198.60
2033.85    3.079   199.79
2034.85    3.030   201.02
2035.85    2.980   202.29
2036.85    2.929   203.61
2037.85    2.878   204.97
2038.85    2.825   206.39
2039.85    2.772   207.85
2040.85    2.719   209.38
2041.85    2.665   210.96
2042.85    2.611   212.62
2043.85    2.557   214.34
2044.85    2.502   216.13
2045.85    2.448   218.01
2046.85    2.394   219.97
2047.85    2.340   222.02
2048.85    2.287   224.17
2049.85    2.235   226.42
2050.85    2.184   228.77
2051.85    2.134   231.24
2052.85    2.086   233.82
2053.85    2.039   236.52
2054.85    1.995   239.35
2055.85    1.953   242.30
2056.85    1.914   245.37
2057.85    1.878   248.57
2058.85    1.845   251.89
2059.85    1.815   255.32
2060.85    1.790   258.86
2061.85    1.769   262.49
2062.85    1.752   266.20
2063.85    1.740   269.97
2064.85    1.732   273.79
2065.85    1.729   277.62
2066.85    1.731   281.46
2067.85    1.737   285.29
2068.85    1.748   289.07
2069.85    1.763   292.81
2070.85    1.781   296.47
2071.85    1.803   300.05
2072.85    1.828   303.54
2073.85    1.856   306.93
2074.85    1.886   310.21
2075.85    1.918   313.39
2076.85    1.951   316.46
2077.85    1.986   319.42
2078.85    2.021   322.29
2079.85    2.057   325.05
2080.85    2.092   327.72
2081.85    2.127   330.31
2082.85    2.161   332.81
2083.85    2.195   335.23
2084.85    2.227   337.58
2085.85    2.258   339.87
2086.85    2.287   342.09
2087.85    2.314   344.27
2088.85    2.340   346.39
2089.85    2.363   348.47
2090.85    2.385   350.50
2091.85    2.405   352.51
2092.85    2.422   354.48
2093.85    2.437   356.43
2094.85    2.451   358.35
2095.85    2.462     0.26
2096.85    2.471     2.15
2097.85    2.478     4.02
2098.85    2.483     5.89
2099.85    2.487     7.75
2100.85    2.489     9.61
2101.85    2.489    11.46
2102.85    2.488    13.32
2103.85    2.486    15.18
2104.85    2.482    17.04
2105.85    2.477    18.91
2106.85    2.472    20.78
2107.85    2.465    22.67
2108.85    2.458    24.57
2109.85    2.450    26.48
2110.85    2.442    28.40
2111.85    2.433    30.33
2112.85    2.425    32.28
2113.85    2.416    34.24
2114.85    2.407    36.22
2115.85    2.399    38.21
2116.85    2.391    40.21
2117.85    2.383    42.23
2118.85    2.376    44.26
2119.85    2.370    46.30
2120.85    2.364    48.35
2121.85    2.359    50.41
2122.85    2.355    52.48
2123.85    2.352    54.56
2124.85    2.350    56.64
2125.85    2.349    58.72
2126.85    2.350    60.80
2127.85    2.351    62.88
2128.85    2.354    64.96
2129.85    2.358    67.03
2130.85    2.363    69.09
2131.85    2.370    71.14
2132.85    2.378    73.18
2133.85    2.388    75.21
2134.85    2.399    77.21
2135.85    2.411    79.20

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 14:40:42