Double Star Calculator - Orbit

Orbital Elements for RST4188
WDS: RST4188 WDS ID/Discoverer
P: 618.710 Orbital period (years)
a: 1.048 Semi-major axis (arcseconds)
i: 72.1 Inclination (degrees)
Ω: 22.7 Longitude of ascending node (degrees)
T: 2619.260 Epoch of periastron passage (year)
e: 0.553 Eccentricity
ω: 10.9 Longitude of periastron (degrees)
Start-Year: 1715.645 Year
End-Year: 2334.355 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for RST4188
Position: 015245.64-044715.9 Epoch-2000 right ascension and declination
WDS-ID: 01528-0447 WDS designation
Discoverer Code: RST4188 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 11488 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.95 Magnitude of the primary
V2: 10.02 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 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: Tok2015c Reference

Double Star Orbit for RST4188



WDS 6th Orbit including measures of RST4188

-- 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 RST4188
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.269    58.37
--------------------------
1715.64    1.565   207.68
1716.64    1.563   207.75
1717.64    1.561   207.81
1718.64    1.558   207.88
1719.64    1.556   207.95
1720.64    1.554   208.02
1721.64    1.552   208.08
1722.64    1.550   208.15
1723.64    1.547   208.22
1724.64    1.545   208.29
1725.64    1.543   208.36
1726.64    1.540   208.43
1727.64    1.538   208.50
1728.64    1.535   208.57
1729.64    1.533   208.64
1730.64    1.530   208.70
1731.64    1.527   208.77
1732.64    1.525   208.85
1733.64    1.522   208.92
1734.64    1.519   208.99
1735.64    1.516   209.06
1736.64    1.514   209.13
1737.64    1.511   209.20
1738.64    1.508   209.27
1739.64    1.505   209.34
1740.64    1.502   209.42
1741.64    1.499   209.49
1742.64    1.496   209.56
1743.64    1.492   209.64
1744.64    1.489   209.71
1745.64    1.486   209.78
1746.64    1.483   209.86
1747.64    1.479   209.93
1748.64    1.476   210.01
1749.64    1.473   210.08
1750.64    1.469   210.16
1751.64    1.466   210.23
1752.64    1.462   210.31
1753.64    1.459   210.39
1754.64    1.455   210.46
1755.64    1.452   210.54
1756.64    1.448   210.62
1757.64    1.444   210.70
1758.64    1.440   210.78
1759.64    1.437   210.86
1760.64    1.433   210.94
1761.64    1.429   211.02
1762.64    1.425   211.10
1763.64    1.421   211.18
1764.64    1.417   211.26
1765.64    1.413   211.34
1766.64    1.409   211.42
1767.64    1.405   211.50
1768.64    1.401   211.59
1769.64    1.396   211.67
1770.64    1.392   211.76
1771.64    1.388   211.84
1772.64    1.383   211.93
1773.64    1.379   212.01
1774.64    1.375   212.10
1775.64    1.370   212.18
1776.64    1.366   212.27
1777.64    1.361   212.36
1778.64    1.357   212.45
1779.64    1.352   212.54
1780.64    1.347   212.63
1781.64    1.343   212.72
1782.64    1.338   212.81
1783.64    1.333   212.90
1784.64    1.328   212.99
1785.64    1.323   213.09
1786.64    1.318   213.18
1787.64    1.313   213.27
1788.64    1.308   213.37
1789.64    1.303   213.47
1790.64    1.298   213.56
1791.64    1.293   213.66
1792.64    1.288   213.76
1793.64    1.283   213.86
1794.64    1.278   213.96
1795.64    1.272   214.06
1796.64    1.267   214.16
1797.64    1.262   214.26
1798.64    1.256   214.37
1799.64    1.251   214.47
1800.64    1.245   214.57
1801.64    1.240   214.68
1802.64    1.234   214.79
1803.64    1.228   214.90
1804.64    1.223   215.00
1805.64    1.217   215.11
1806.64    1.211   215.23
1807.64    1.205   215.34
1808.64    1.200   215.45
1809.64    1.194   215.56
1810.64    1.188   215.68
1811.64    1.182   215.80
1812.64    1.176   215.91
1813.64    1.170   216.03
1814.64    1.164   216.15
1815.64    1.158   216.28
1816.64    1.151   216.40
1817.64    1.145   216.52
1818.64    1.139   216.65
1819.64    1.133   216.77
1820.64    1.126   216.90
1821.64    1.120   217.03
1822.64    1.114   217.16
1823.64    1.107   217.30
1824.64    1.101   217.43
1825.64    1.094   217.57
1826.64    1.087   217.70
1827.64    1.081   217.84
1828.64    1.074   217.98
1829.64    1.067   218.13
1830.64    1.061   218.27
1831.64    1.054   218.42
1832.64    1.047   218.57
1833.64    1.040   218.72
1834.64    1.033   218.87
1835.64    1.026   219.02
1836.64    1.019   219.18
1837.64    1.012   219.34
1838.64    1.005   219.50
1839.64    0.998   219.66
1840.64    0.991   219.83
1841.64    0.984   220.00
1842.64    0.977   220.17
1843.64    0.969   220.34
1844.64    0.962   220.51
1845.64    0.955   220.69
1846.64    0.947   220.87
1847.64    0.940   221.06
1848.64    0.932   221.24
1849.64    0.925   221.43
1850.64    0.917   221.63
1851.64    0.910   221.82
1852.64    0.902   222.02
1853.64    0.894   222.23
1854.64    0.887   222.43
1855.64    0.879   222.64
1856.64    0.871   222.86
1857.64    0.863   223.07
1858.64    0.855   223.29
1859.64    0.847   223.52
1860.64    0.840   223.75
1861.64    0.832   223.98
1862.64    0.824   224.22
1863.64    0.816   224.47
1864.64    0.807   224.72
1865.64    0.799   224.97
1866.64    0.791   225.23
1867.64    0.783   225.49
1868.64    0.775   225.76
1869.64    0.767   226.04
1870.64    0.758   226.32
1871.64    0.750   226.61
1872.64    0.742   226.90
1873.64    0.733   227.20
1874.64    0.725   227.51
1875.64    0.716   227.83
1876.64    0.708   228.15
1877.64    0.699   228.48
1878.64    0.691   228.82
1879.64    0.682   229.16
1880.64    0.674   229.52
1881.64    0.665   229.89
1882.64    0.656   230.26
1883.64    0.648   230.65
1884.64    0.639   231.04
1885.64    0.630   231.45
1886.64    0.622   231.86
1887.64    0.613   232.29
1888.64    0.604   232.74
1889.64    0.596   233.19
1890.64    0.587   233.66
1891.64    0.578   234.14
1892.64    0.569   234.64
1893.64    0.560   235.15
1894.64    0.552   235.68
1895.64    0.543   236.23
1896.64    0.534   236.79
1897.64    0.525   237.38
1898.64    0.516   237.98
1899.64    0.508   238.60
1900.64    0.499   239.25
1901.64    0.490   239.92
1902.64    0.481   240.62
1903.64    0.472   241.33
1904.64    0.464   242.08
1905.64    0.455   242.86
1906.64    0.446   243.66
1907.64    0.438   244.50
1908.64    0.429   245.37
1909.64    0.421   246.28
1910.64    0.412   247.22
1911.64    0.404   248.20
1912.64    0.396   249.23
1913.64    0.387   250.29
1914.64    0.379   251.41
1915.64    0.371   252.57
1916.64    0.363   253.78
1917.64    0.356   255.05
1918.64    0.348   256.37
1919.64    0.340   257.76
1920.64    0.333   259.20
1921.64    0.326   260.71
1922.64    0.319   262.29
1923.64    0.312   263.93
1924.64    0.305   265.65
1925.64    0.299   267.45
1926.64    0.293   269.32
1927.64    0.287   271.27
1928.64    0.281   273.29
1929.64    0.276   275.40
1930.64    0.271   277.58
1931.64    0.267   279.85
1932.64    0.263   282.18
1933.64    0.259   284.59
1934.64    0.255   287.07
1935.64    0.253   289.60
1936.64    0.250   292.19
1937.64    0.248   294.83
1938.64    0.247   297.51
1939.64    0.246   300.21
1940.64    0.245   302.93
1941.64    0.245   305.65
1942.64    0.246   308.37
1943.64    0.246   311.08
1944.64    0.248   313.76
1945.64    0.250   316.40
1946.64    0.252   319.00
1947.64    0.255   321.55
1948.64    0.258   324.04
1949.64    0.262   326.46
1950.64    0.266   328.82
1951.64    0.270   331.10
1952.64    0.275   333.31
1953.64    0.280   335.44
1954.64    0.285   337.50
1955.64    0.290   339.48
1956.64    0.296   341.39
1957.64    0.302   343.22
1958.64    0.308   344.98
1959.64    0.314   346.67
1960.64    0.320   348.30
1961.64    0.327   349.86
1962.64    0.333   351.36
1963.64    0.340   352.81
1964.64    0.347   354.20
1965.64    0.353   355.53
1966.64    0.360   356.82
1967.64    0.367   358.06
1968.64    0.373   359.26
1969.64    0.380     0.41
1970.64    0.386     1.53
1971.64    0.393     2.61
1972.64    0.399     3.65
1973.64    0.405     4.66
1974.64    0.411     5.65
1975.64    0.417     6.60
1976.64    0.422     7.53
1977.64    0.428     8.44
1978.64    0.433     9.32
1979.64    0.438    10.18
1980.64    0.443    11.03
1981.64    0.447    11.85
1982.64    0.451    12.66
1983.64    0.455    13.46
1984.64    0.459    14.24
1985.64    0.462    15.01
1986.64    0.465    15.78
1987.64    0.467    16.53
1988.64    0.469    17.28
1989.64    0.471    18.02
1990.64    0.472    18.75
1991.64    0.473    19.49
1992.64    0.473    20.22
1993.64    0.473    20.95
1994.64    0.473    21.68
1995.64    0.472    22.41
1996.64    0.471    23.15
1997.64    0.469    23.89
1998.64    0.466    24.64
1999.64    0.464    25.39
2000.64    0.460    26.16
2001.64    0.457    26.94
2002.64    0.453    27.73
2003.64    0.448    28.54
2004.64    0.443    29.36
2005.64    0.438    30.20
2006.64    0.432    31.07
2007.64    0.426    31.96
2008.64    0.419    32.87
2009.64    0.413    33.82
2010.64    0.405    34.80
2011.64    0.398    35.81
2012.64    0.390    36.86
2013.64    0.382    37.96
2014.64    0.374    39.10
2015.64    0.366    40.30
2016.64    0.357    41.56
2017.64    0.348    42.87
2018.64    0.339    44.26
2019.64    0.330    45.72
2020.64    0.321    47.26
2021.64    0.312    48.90
2022.64    0.303    50.63
2023.64    0.294    52.46
2024.64    0.285    54.41
2025.64    0.276    56.49
2026.64    0.268    58.70
2027.64    0.260    61.05
2028.64    0.252    63.56
2029.64    0.244    66.23
2030.64    0.237    69.07
2031.64    0.230    72.08
2032.64    0.224    75.26
2033.64    0.218    78.62
2034.64    0.213    82.15
2035.64    0.209    85.84
2036.64    0.205    89.66
2037.64    0.203    93.60
2038.64    0.201    97.63
2039.64    0.200   101.70
2040.64    0.200   105.79
2041.64    0.201   109.86
2042.64    0.203   113.87
2043.64    0.206   117.79
2044.64    0.210   121.58
2045.64    0.214   125.23
2046.64    0.219   128.71
2047.64    0.225   132.03
2048.64    0.232   135.16
2049.64    0.239   138.12
2050.64    0.247   140.89
2051.64    0.255   143.50
2052.64    0.263   145.94
2053.64    0.272   148.22
2054.64    0.281   150.36
2055.64    0.291   152.36
2056.64    0.301   154.23
2057.64    0.311   155.98
2058.64    0.321   157.62
2059.64    0.331   159.16
2060.64    0.342   160.61
2061.64    0.352   161.96
2062.64    0.363   163.24
2063.64    0.374   164.45
2064.64    0.385   165.59
2065.64    0.396   166.66
2066.64    0.407   167.68
2067.64    0.418   168.64
2068.64    0.429   169.56
2069.64    0.440   170.43
2070.64    0.451   171.25
2071.64    0.462   172.04
2072.64    0.473   172.79
2073.64    0.484   173.50
2074.64    0.495   174.19
2075.64    0.506   174.84
2076.64    0.517   175.47
2077.64    0.528   176.06
2078.64    0.539   176.64
2079.64    0.550   177.19
2080.64    0.561   177.72
2081.64    0.572   178.23
2082.64    0.582   178.73
2083.64    0.593   179.20
2084.64    0.604   179.66
2085.64    0.615   180.10
2086.64    0.625   180.52
2087.64    0.636   180.93
2088.64    0.646   181.33
2089.64    0.657   181.72
2090.64    0.667   182.09
2091.64    0.677   182.45
2092.64    0.688   182.81
2093.64    0.698   183.15
2094.64    0.708   183.48
2095.64    0.718   183.80
2096.64    0.728   184.11
2097.64    0.738   184.42
2098.64    0.748   184.71
2099.64    0.758   185.00
2100.64    0.768   185.28
2101.64    0.778   185.56
2102.64    0.788   185.82
2103.64    0.797   186.08
2104.64    0.807   186.34
2105.64    0.816   186.59
2106.64    0.826   186.83
2107.64    0.835   187.07
2108.64    0.844   187.30
2109.64    0.854   187.52
2110.64    0.863   187.75
2111.64    0.872   187.96
2112.64    0.881   188.18
2113.64    0.890   188.39
2114.64    0.899   188.59
2115.64    0.908   188.79
2116.64    0.917   188.99
2117.64    0.926   189.18
2118.64    0.934   189.37
2119.64    0.943   189.56
2120.64    0.951   189.74
2121.64    0.960   189.92
2122.64    0.968   190.09
2123.64    0.977   190.27
2124.64    0.985   190.44
2125.64    0.993   190.60
2126.64    1.002   190.77
2127.64    1.010   190.93
2128.64    1.018   191.09
2129.64    1.026   191.25
2130.64    1.034   191.40
2131.64    1.042   191.55
2132.64    1.049   191.70
2133.64    1.057   191.85
2134.64    1.065   191.99
2135.64    1.072   192.14
2136.64    1.080   192.28
2137.64    1.088   192.42
2138.64    1.095   192.56
2139.64    1.102   192.69
2140.64    1.110   192.83
2141.64    1.117   192.96
2142.64    1.124   193.09
2143.64    1.131   193.22
2144.64    1.138   193.34
2145.64    1.145   193.47
2146.64    1.152   193.59
2147.64    1.159   193.72
2148.64    1.166   193.84
2149.64    1.173   193.96
2150.64    1.180   194.07
2151.64    1.186   194.19
2152.64    1.193   194.31
2153.64    1.200   194.42
2154.64    1.206   194.53
2155.64    1.212   194.65
2156.64    1.219   194.76
2157.64    1.225   194.87
2158.64    1.231   194.98
2159.64    1.238   195.08
2160.64    1.244   195.19
2161.64    1.250   195.29
2162.64    1.256   195.40
2163.64    1.262   195.50
2164.64    1.268   195.60
2165.64    1.274   195.71
2166.64    1.280   195.81
2167.64    1.285   195.91
2168.64    1.291   196.00
2169.64    1.297   196.10
2170.64    1.302   196.20
2171.64    1.308   196.29
2172.64    1.313   196.39
2173.64    1.319   196.48
2174.64    1.324   196.58
2175.64    1.329   196.67
2176.64    1.335   196.76
2177.64    1.340   196.85
2178.64    1.345   196.95
2179.64    1.350   197.04
2180.64    1.355   197.13
2181.64    1.360   197.21
2182.64    1.365   197.30
2183.64    1.370   197.39
2184.64    1.375   197.48
2185.64    1.380   197.56
2186.64    1.384   197.65
2187.64    1.389   197.73
2188.64    1.394   197.82
2189.64    1.398   197.90
2190.64    1.403   197.99
2191.64    1.407   198.07
2192.64    1.412   198.15
2193.64    1.416   198.23
2194.64    1.420   198.31
2195.64    1.425   198.39
2196.64    1.429   198.48
2197.64    1.433   198.56
2198.64    1.437   198.63
2199.64    1.441   198.71
2200.64    1.445   198.79
2201.64    1.449   198.87
2202.64    1.453   198.95
2203.64    1.457   199.03
2204.64    1.461   199.10
2205.64    1.464   199.18
2206.64    1.468   199.26
2207.64    1.472   199.33
2208.64    1.475   199.41
2209.64    1.479   199.48
2210.64    1.482   199.56
2211.64    1.486   199.63
2212.64    1.489   199.70
2213.64    1.493   199.78
2214.64    1.496   199.85
2215.64    1.499   199.92
2216.64    1.502   200.00
2217.64    1.506   200.07
2218.64    1.509   200.14
2219.64    1.512   200.21
2220.64    1.515   200.28
2221.64    1.518   200.36
2222.64    1.521   200.43
2223.64    1.524   200.50
2224.64    1.526   200.57
2225.64    1.529   200.64
2226.64    1.532   200.71
2227.64    1.535   200.78
2228.64    1.537   200.85
2229.64    1.540   200.92
2230.64    1.542   200.98
2231.64    1.545   201.05
2232.64    1.547   201.12
2233.64    1.550   201.19
2234.64    1.552   201.26
2235.64    1.554   201.33
2236.64    1.557   201.39
2237.64    1.559   201.46
2238.64    1.561   201.53
2239.64    1.563   201.60
2240.64    1.565   201.66
2241.64    1.567   201.73
2242.64    1.569   201.80
2243.64    1.571   201.86
2244.64    1.573   201.93
2245.64    1.575   201.99
2246.64    1.577   202.06
2247.64    1.578   202.13
2248.64    1.580   202.19
2249.64    1.582   202.26
2250.64    1.583   202.32
2251.64    1.585   202.39
2252.64    1.587   202.45
2253.64    1.588   202.52
2254.64    1.589   202.58
2255.64    1.591   202.65
2256.64    1.592   202.71
2257.64    1.594   202.78
2258.64    1.595   202.84
2259.64    1.596   202.90
2260.64    1.597   202.97
2261.64    1.598   203.03
2262.64    1.599   203.10
2263.64    1.600   203.16
2264.64    1.601   203.22
2265.64    1.602   203.29
2266.64    1.603   203.35
2267.64    1.604   203.42
2268.64    1.605   203.48
2269.64    1.606   203.54
2270.64    1.606   203.61
2271.64    1.607   203.67
2272.64    1.608   203.73
2273.64    1.608   203.80
2274.64    1.609   203.86
2275.64    1.609   203.92
2276.64    1.610   203.99
2277.64    1.610   204.05
2278.64    1.611   204.11
2279.64    1.611   204.18
2280.64    1.611   204.24
2281.64    1.612   204.30
2282.64    1.612   204.36
2283.64    1.612   204.43
2284.64    1.612   204.49
2285.64    1.612   204.55
2286.64    1.612   204.62
2287.64    1.612   204.68
2288.64    1.612   204.74
2289.64    1.612   204.80
2290.64    1.612   204.87
2291.64    1.612   204.93
2292.64    1.612   204.99
2293.64    1.611   205.06
2294.64    1.611   205.12
2295.64    1.611   205.18
2296.64    1.610   205.25
2297.64    1.610   205.31
2298.64    1.609   205.37
2299.64    1.609   205.44
2300.64    1.608   205.50
2301.64    1.608   205.56
2302.64    1.607   205.63
2303.64    1.606   205.69
2304.64    1.606   205.75
2305.64    1.605   205.82
2306.64    1.604   205.88
2307.64    1.603   205.94
2308.64    1.602   206.01
2309.64    1.601   206.07
2310.64    1.600   206.13
2311.64    1.599   206.20
2312.64    1.598   206.26
2313.64    1.597   206.33
2314.64    1.596   206.39
2315.64    1.595   206.46
2316.64    1.593   206.52
2317.64    1.592   206.58
2318.64    1.591   206.65
2319.64    1.589   206.71
2320.64    1.588   206.78
2321.64    1.587   206.84
2322.64    1.585   206.91
2323.64    1.584   206.97
2324.64    1.582   207.04
2325.64    1.580   207.10
2326.64    1.579   207.17
2327.64    1.577   207.24
2328.64    1.575   207.30
2329.64    1.574   207.37
2330.64    1.572   207.43
2331.64    1.570   207.50
2332.64    1.568   207.57
2333.64    1.566   207.63






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 14:54:53



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