Double Star Calculator - Orbit

Orbital Elements for A604

WDS:	A604	WDS ID/Discoverer
P:	228.150	Orbital period (years)
a:	0.291	Semi-major axis (arcseconds)
i:	108.0	Inclination (degrees)
Ω:	94.7	Longitude of ascending node (degrees)
T:	1935.430	Epoch of periastron passage (year)
e:	0.268	Eccentricity
ω:	306.0	Longitude of periastron (degrees)
Start-Year:	1910.925	Year
End-Year:	2139.075	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A604
Position:	195719.48+051245.1	Epoch-2000 right ascension and declination
WDS-ID:	19573+0513	WDS designation
Discoverer Code:	A604	Discover designation and components
ADS number:	13156	Aitken Double Star catalog
HD number:	188914	HD catalog number
Hipparcos number:	98203	Hipparcos catalog number
V1:	9.06	Magnitude of the primary
V2:	9.85	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2015c	Reference

Double Star Orbit for A604

WDS 6th Orbit including measures of A604

-- 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 A604

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.138   326.10
--------------------------
1910.92    0.130   244.20
1911.92    0.123   241.71
1912.92    0.115   238.89
1913.92    0.108   235.70
1914.92    0.101   232.06
1915.92    0.094   227.89
1916.92    0.088   223.11
1917.92    0.083   217.64
1918.92    0.078   211.41
1919.92    0.074   204.43
1920.92    0.071   196.75
1921.92    0.069   188.55
1922.92    0.069   180.10
1923.92    0.070   171.74
1924.92    0.072   163.77
1925.92    0.075   156.42
1926.92    0.080   149.80
1927.92    0.085   143.95
1928.92    0.091   138.82
1929.92    0.097   134.33
1930.92    0.104   130.41
1931.92    0.111   126.97
1932.92    0.118   123.94
1933.92    0.125   121.25
1934.92    0.132   118.86
1935.92    0.140   116.70
1936.92    0.147   114.76
1937.92    0.153   112.99
1938.92    0.160   111.37
1939.92    0.167   109.88
1940.92    0.173   108.51
1941.92    0.179   107.22
1942.92    0.185   106.02
1943.92    0.190   104.89
1944.92    0.196   103.83
1945.92    0.201   102.81
1946.92    0.205   101.85
1947.92    0.210   100.93
1948.92    0.214   100.04
1949.92    0.218    99.19
1950.92    0.221    98.36
1951.92    0.224    97.56
1952.92    0.227    96.78
1953.92    0.230    96.02
1954.92    0.232    95.27
1955.92    0.234    94.54
1956.92    0.235    93.81
1957.92    0.237    93.10
1958.92    0.238    92.39
1959.92    0.238    91.69
1960.92    0.239    90.99
1961.92    0.239    90.29
1962.92    0.239    89.60
1963.92    0.238    88.90
1964.92    0.238    88.20
1965.92    0.237    87.49
1966.92    0.236    86.78
1967.92    0.234    86.06
1968.92    0.233    85.33
1969.92    0.231    84.59
1970.92    0.229    83.84
1971.92    0.227    83.07
1972.92    0.225    82.30
1973.92    0.222    81.50
1974.92    0.220    80.68
1975.92    0.217    79.85
1976.92    0.214    78.99
1977.92    0.211    78.11
1978.92    0.207    77.20
1979.92    0.204    76.26
1980.92    0.201    75.29
1981.92    0.197    74.28
1982.92    0.193    73.24
1983.92    0.190    72.15
1984.92    0.186    71.03
1985.92    0.182    69.85
1986.92    0.178    68.63
1987.92    0.174    67.35
1988.92    0.170    66.01
1989.92    0.166    64.61
1990.92    0.162    63.13
1991.92    0.158    61.59
1992.92    0.154    59.96
1993.92    0.151    58.25
1994.92    0.147    56.45
1995.92    0.143    54.55
1996.92    0.139    52.55
1997.92    0.136    50.44
1998.92    0.132    48.22
1999.92    0.129    45.88
2000.92    0.125    43.42
2001.92    0.122    40.83
2002.92    0.120    38.11
2003.92    0.117    35.27
2004.92    0.115    32.30
2005.92    0.113    29.22
2006.92    0.111    26.02
2007.92    0.109    22.73
2008.92    0.108    19.35
2009.92    0.107    15.91
2010.92    0.107    12.42
2011.92    0.106     8.90
2012.92    0.106     5.39
2013.92    0.107     1.90
2014.92    0.108   358.45
2015.92    0.109   355.06
2016.92    0.111   351.76
2017.92    0.112   348.56
2018.92    0.115   345.47
2019.92    0.117   342.50
2020.92    0.120   339.65
2021.92    0.122   336.93
2022.92    0.125   334.34
2023.92    0.129   331.87
2024.92    0.132   329.54
2025.92    0.136   327.32
2026.92    0.140   325.22
2027.92    0.143   323.23
2028.92    0.147   321.35
2029.92    0.151   319.57
2030.92    0.156   317.88
2031.92    0.160   316.28
2032.92    0.164   314.76
2033.92    0.168   313.32
2034.92    0.173   311.95
2035.92    0.177   310.65
2036.92    0.181   309.41
2037.92    0.186   308.23
2038.92    0.190   307.10
2039.92    0.195   306.03
2040.92    0.199   305.00
2041.92    0.203   304.02
2042.92    0.208   303.08
2043.92    0.212   302.18
2044.92    0.216   301.31
2045.92    0.221   300.48
2046.92    0.225   299.68
2047.92    0.229   298.90
2048.93    0.233   298.16
2049.93    0.237   297.44
2050.93    0.241   296.75
2051.93    0.245   296.08
2052.93    0.249   295.43
2053.93    0.253   294.80
2054.93    0.257   294.19
2055.93    0.261   293.59
2056.93    0.264   293.02
2057.93    0.268   292.46
2058.93    0.272   291.91
2059.93    0.275   291.38
2060.93    0.278   290.86
2061.93    0.282   290.35
2062.93    0.285   289.86
2063.93    0.288   289.37
2064.93    0.291   288.90
2065.93    0.294   288.43
2066.93    0.297   287.98
2067.93    0.300   287.53
2068.93    0.302   287.09
2069.93    0.305   286.66
2070.93    0.307   286.23
2071.93    0.309   285.81
2072.93    0.312   285.40
2073.93    0.314   284.99
2074.93    0.316   284.59
2075.93    0.318   284.19
2076.93    0.319   283.80
2077.93    0.321   283.41
2078.93    0.323   283.03
2079.93    0.324   282.65
2080.93    0.325   282.27
2081.93    0.326   281.90
2082.93    0.327   281.53
2083.93    0.328   281.16
2084.93    0.329   280.79
2085.93    0.330   280.42
2086.93    0.330   280.05
2087.93    0.330   279.69
2088.93    0.331   279.33
2089.93    0.331   278.96
2090.93    0.331   278.60
2091.93    0.330   278.23
2092.93    0.330   277.87
2093.93    0.330   277.50
2094.93    0.329   277.14
2095.93    0.328   276.77
2096.93    0.327   276.40
2097.93    0.326   276.02
2098.93    0.325   275.65
2099.93    0.323   275.27
2100.93    0.321   274.89
2101.93    0.320   274.50
2102.93    0.318   274.11
2103.93    0.316   273.71
2104.93    0.313   273.31
2105.93    0.311   272.90
2106.93    0.308   272.48
2107.93    0.305   272.06
2108.93    0.302   271.63
2109.93    0.299   271.19
2110.93    0.296   270.74
2111.93    0.292   270.28
2112.93    0.288   269.81
2113.93    0.284   269.32
2114.93    0.280   268.82
2115.93    0.276   268.31
2116.93    0.272   267.78
2117.93    0.267   267.23
2118.93    0.262   266.66
2119.93    0.257   266.07
2120.93    0.252   265.45
2121.93    0.246   264.81
2122.93    0.241   264.14
2123.93    0.235   263.44
2124.93    0.229   262.70
2125.93    0.223   261.92
2126.93    0.217   261.10
2127.93    0.210   260.23
2128.93    0.204   259.30
2129.93    0.197   258.31
2130.93    0.190   257.24
2131.93    0.183   256.10
2132.93    0.176   254.86
2133.93    0.169   253.52
2134.93    0.161   252.06
2135.93    0.154   250.46
2136.93    0.146   248.69
2137.93    0.139   246.73
2138.93    0.131   244.55

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 18:10:29