Double Star Calculator - Orbit

Orbital Elements for RST4403
WDS: RST4403 WDS ID/Discoverer
P: 205.600 Orbital period (years)
a: 1.191 Semi-major axis (arcseconds)
i: 160.0 Inclination (degrees)
Ω: 67.5 Longitude of ascending node (degrees)
T: 2149.600 Epoch of periastron passage (year)
e: 0.183 Eccentricity
ω: 25.8 Longitude of periastron (degrees)
Start-Year: 1922.2 Year
End-Year: 2127.8 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for RST4403
Position: 082856.65-155213.8 Epoch-2000 right ascension and declination
WDS-ID: 08289-1552 WDS designation
Discoverer Code: RST4403 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 71811 HD catalog number
Hipparcos number: 41609 Hipparcos catalog number
V1: 8.64 Magnitude of the primary
V2: 11.96 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Hor2021b Reference

Double Star Orbit for RST4403



WDS 6th Orbit including measures of RST4403

-- 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 RST4403
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.379   247.06
--------------------------
1922.20    1.025    93.99
1923.20    1.022    91.80
1924.20    1.019    89.60
1925.20    1.015    87.38
1926.20    1.012    85.15
1927.20    1.009    82.90
1928.20    1.006    80.64
1929.20    1.003    78.36
1930.20    0.999    76.07
1931.20    0.996    73.77
1932.20    0.993    71.45
1933.20    0.990    69.12
1934.20    0.987    66.77
1935.20    0.984    64.41
1936.20    0.982    62.04
1937.20    0.979    59.65
1938.20    0.976    57.25
1939.20    0.973    54.83
1940.20    0.971    52.41
1941.20    0.968    49.97
1942.20    0.966    47.51
1943.20    0.964    45.05
1944.20    0.962    42.57
1945.20    0.960    40.09
1946.20    0.958    37.59
1947.20    0.957    35.09
1948.20    0.955    32.58
1949.20    0.954    30.06
1950.20    0.953    27.54
1951.20    0.952    25.01
1952.20    0.952    22.48
1953.20    0.952    19.95
1954.20    0.952    17.42
1955.20    0.953    14.89
1956.20    0.953    12.36
1957.20    0.955     9.84
1958.20    0.956     7.32
1959.20    0.958     4.82
1960.20    0.960     2.32
1961.20    0.962   359.84
1962.20    0.965   357.37
1963.20    0.968   354.91
1964.20    0.972   352.47
1965.20    0.976   350.05
1966.20    0.980   347.65
1967.20    0.984   345.27
1968.20    0.989   342.92
1969.20    0.994   340.59
1970.20    1.000   338.28
1971.20    1.006   336.00
1972.20    1.012   333.74
1973.20    1.018   331.51
1974.20    1.025   329.32
1975.20    1.032   327.14
1976.20    1.039   325.00
1977.20    1.046   322.89
1978.20    1.053   320.81
1979.20    1.061   318.75
1980.20    1.069   316.73
1981.20    1.077   314.74
1982.20    1.085   312.77
1983.20    1.093   310.83
1984.20    1.101   308.93
1985.20    1.109   307.05
1986.20    1.118   305.20
1987.20    1.126   303.38
1988.20    1.135   301.58
1989.20    1.143   299.81
1990.20    1.152   298.07
1991.20    1.160   296.35
1992.20    1.169   294.66
1993.20    1.177   292.99
1994.20    1.185   291.34
1995.20    1.194   289.72
1996.20    1.202   288.12
1997.20    1.210   286.54
1998.20    1.218   284.99
1999.20    1.226   283.45
2000.20    1.234   281.93
2001.20    1.241   280.44
2002.20    1.249   278.96
2003.20    1.257   277.49
2004.20    1.264   276.05
2005.20    1.271   274.62
2006.20    1.278   273.21
2007.20    1.285   271.81
2008.20    1.292   270.43
2009.20    1.298   269.06
2010.20    1.304   267.71
2011.20    1.310   266.36
2012.20    1.316   265.03
2013.20    1.322   263.71
2014.20    1.328   262.41
2015.20    1.333   261.11
2016.20    1.338   259.83
2017.20    1.343   258.55
2018.20    1.348   257.28
2019.20    1.353   256.02
2020.20    1.357   254.77
2021.20    1.361   253.53
2022.20    1.365   252.30
2023.20    1.369   251.07
2024.20    1.372   249.85
2025.20    1.375   248.63
2026.20    1.378   247.42
2027.20    1.381   246.21
2028.20    1.384   245.01
2029.20    1.386   243.82
2030.20    1.388   242.63
2031.20    1.390   241.44
2032.20    1.392   240.25
2033.20    1.394   239.07
2034.20    1.395   237.89
2035.20    1.396   236.71
2036.20    1.397   235.53
2037.20    1.397   234.36
2038.20    1.398   233.18
2039.20    1.398   232.01
2040.20    1.398   230.84
2041.20    1.398   229.66
2042.20    1.398   228.49
2043.20    1.397   227.31
2044.20    1.396   226.14
2045.20    1.395   224.96
2046.20    1.394   223.78
2047.20    1.393   222.60
2048.20    1.391   221.41
2049.20    1.389   220.22
2050.20    1.387   219.03
2051.20    1.385   217.84
2052.20    1.383   216.64
2053.20    1.380   215.44
2054.20    1.378   214.23
2055.20    1.375   213.02
2056.20    1.372   211.81
2057.20    1.369   210.59
2058.20    1.365   209.36
2059.20    1.362   208.12
2060.20    1.358   206.88
2061.20    1.355   205.64
2062.20    1.351   204.38
2063.20    1.347   203.12
2064.20    1.342   201.85
2065.20    1.338   200.57
2066.20    1.334   199.29
2067.20    1.329   197.99
2068.20    1.324   196.69
2069.20    1.319   195.38
2070.20    1.315   194.05
2071.20    1.310   192.72
2072.20    1.304   191.38
2073.20    1.299   190.02
2074.20    1.294   188.66
2075.20    1.289   187.28
2076.20    1.283   185.90
2077.20    1.278   184.50
2078.20    1.272   183.08
2079.20    1.266   181.66
2080.20    1.261   180.22
2081.20    1.255   178.77
2082.20    1.249   177.31
2083.20    1.243   175.83
2084.20    1.238   174.34
2085.20    1.232   172.84
2086.20    1.226   171.32
2087.20    1.220   169.78
2088.20    1.214   168.23
2089.20    1.208   166.67
2090.20    1.202   165.09
2091.20    1.197   163.50
2092.20    1.191   161.89
2093.20    1.185   160.26
2094.20    1.179   158.62
2095.20    1.173   156.96
2096.20    1.168   155.28
2097.20    1.162   153.59
2098.20    1.156   151.89
2099.20    1.151   150.16
2100.20    1.145   148.42
2101.20    1.140   146.67
2102.20    1.135   144.89
2103.20    1.129   143.10
2104.20    1.124   141.29
2105.20    1.119   139.47
2106.20    1.114   137.63
2107.20    1.109   135.77
2108.20    1.104   133.90
2109.20    1.099   132.01
2110.20    1.095   130.10
2111.20    1.090   128.18
2112.20    1.086   126.24
2113.20    1.081   124.29
2114.20    1.077   122.32
2115.20    1.073   120.33
2116.20    1.068   118.33
2117.20    1.064   116.31
2118.20    1.060   114.28
2119.20    1.056   112.23
2120.20    1.053   110.16
2121.20    1.049   108.08
2122.20    1.045   105.99
2123.20    1.041   103.88
2124.20    1.038   101.76
2125.20    1.034    99.62
2126.20    1.031    97.47
2127.20    1.027    95.30






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 16:08:05



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