Double Star Calculator - Orbit

Orbital Elements for I600
WDS: I600 WDS ID/Discoverer
P: 333.900 Orbital period (years)
a: 0.5 Semi-major axis (arcseconds)
i: 114.9 Inclination (degrees)
Ω: 135.3 Longitude of ascending node (degrees)
T: 2183.520 Epoch of periastron passage (year)
e: 0.16 Eccentricity
ω: 148.0 Longitude of periastron (degrees)
Start-Year: 1858.05 Year
End-Year: 2191.95 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for I600
Position: 173130.25-602624.7 Epoch-2000 right ascension and declination
WDS-ID: 17315-6026 WDS designation
Discoverer Code: I600 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 158177 HD catalog number
Hipparcos number: 85765 Hipparcos catalog number
V1: 8.52 Magnitude of the primary
V2: 9.91 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2017 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: Tok2020g Reference

Double Star Orbit for I600



WDS 6th Orbit including measures of I600

-- 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 I600
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.538   145.98
--------------------------
1858.05    0.402   323.69
1859.05    0.405   323.01
1860.05    0.408   322.33
1861.05    0.411   321.66
1862.05    0.414   321.00
1863.05    0.416   320.35
1864.05    0.418   319.71
1865.05    0.420   319.07
1866.05    0.422   318.44
1867.05    0.424   317.82
1868.05    0.426   317.20
1869.05    0.427   316.58
1870.05    0.428   315.97
1871.05    0.429   315.36
1872.05    0.430   314.75
1873.05    0.430   314.14
1874.05    0.431   313.54
1875.05    0.431   312.93
1876.05    0.431   312.33
1877.05    0.430   311.72
1878.05    0.430   311.12
1879.05    0.429   310.51
1880.05    0.429   309.90
1881.05    0.428   309.29
1882.05    0.427   308.68
1883.05    0.425   308.06
1884.05    0.424   307.44
1885.05    0.422   306.82
1886.05    0.420   306.18
1887.05    0.419   305.55
1888.05    0.416   304.90
1889.05    0.414   304.26
1890.05    0.412   303.60
1891.05    0.409   302.93
1892.05    0.406   302.26
1893.05    0.404   301.58
1894.05    0.401   300.88
1895.05    0.398   300.18
1896.05    0.394   299.47
1897.05    0.391   298.74
1898.05    0.388   298.00
1899.05    0.384   297.25
1900.05    0.380   296.48
1901.05    0.376   295.70
1902.05    0.373   294.90
1903.05    0.369   294.08
1904.05    0.365   293.25
1905.05    0.360   292.40
1906.05    0.356   291.53
1907.05    0.352   290.63
1908.05    0.348   289.72
1909.05    0.343   288.78
1910.05    0.339   287.82
1911.05    0.334   286.83
1912.05    0.330   285.81
1913.05    0.325   284.77
1914.05    0.321   283.70
1915.05    0.316   282.59
1916.05    0.312   281.46
1917.05    0.307   280.29
1918.05    0.303   279.08
1919.05    0.298   277.84
1920.05    0.294   276.57
1921.05    0.289   275.25
1922.05    0.285   273.89
1923.05    0.281   272.49
1924.05    0.276   271.05
1925.05    0.272   269.56
1926.05    0.268   268.02
1927.05    0.264   266.44
1928.05    0.260   264.82
1929.05    0.257   263.14
1930.05    0.253   261.42
1931.05    0.250   259.65
1932.05    0.246   257.83
1933.05    0.243   255.96
1934.05    0.240   254.04
1935.05    0.238   252.08
1936.05    0.235   250.08
1937.05    0.233   248.04
1938.05    0.231   245.95
1939.05    0.229   243.84
1940.05    0.228   241.69
1941.05    0.226   239.51
1942.05    0.225   237.31
1943.05    0.224   235.09
1944.05    0.224   232.86
1945.05    0.224   230.63
1946.05    0.224   228.38
1947.05    0.224   226.15
1948.05    0.225   223.92
1949.05    0.225   221.70
1950.05    0.226   219.51
1951.05    0.228   217.34
1952.05    0.230   215.20
1953.05    0.231   213.09
1954.05    0.234   211.01
1955.05    0.236   208.98
1956.05    0.238   206.99
1957.05    0.241   205.04
1958.05    0.244   203.14
1959.05    0.248   201.29
1960.05    0.251   199.48
1961.05    0.254   197.73
1962.05    0.258   196.03
1963.05    0.262   194.37
1964.05    0.266   192.76
1965.05    0.270   191.21
1966.05    0.275   189.70
1967.05    0.279   188.24
1968.05    0.283   186.82
1969.05    0.288   185.45
1970.05    0.293   184.12
1971.05    0.298   182.83
1972.05    0.302   181.59
1973.05    0.307   180.38
1974.05    0.312   179.21
1975.05    0.317   178.08
1976.05    0.322   176.99
1977.05    0.327   175.92
1978.05    0.332   174.89
1979.05    0.338   173.90
1980.05    0.343   172.93
1981.05    0.348   171.99
1982.05    0.353   171.07
1983.05    0.358   170.19
1984.05    0.363   169.33
1985.05    0.368   168.49
1986.05    0.374   167.68
1987.05    0.379   166.88
1988.05    0.384   166.11
1989.05    0.389   165.36
1990.05    0.394   164.63
1991.05    0.399   163.92
1992.05    0.404   163.22
1993.05    0.409   162.54
1994.05    0.414   161.88
1995.05    0.419   161.24
1996.05    0.423   160.60
1997.05    0.428   159.99
1998.05    0.433   159.38
1999.05    0.438   158.79
2000.05    0.442   158.21
2001.05    0.447   157.64
2002.05    0.451   157.09
2003.05    0.456   156.54
2004.05    0.460   156.01
2005.05    0.464   155.49
2006.05    0.469   154.97
2007.05    0.473   154.46
2008.05    0.477   153.97
2009.05    0.481   153.48
2010.05    0.485   153.00
2011.05    0.489   152.53
2012.05    0.492   152.06
2013.05    0.496   151.60
2014.05    0.500   151.15
2015.05    0.503   150.71
2016.05    0.507   150.27
2017.05    0.510   149.83
2018.05    0.514   149.41
2019.05    0.517   148.98
2020.05    0.520   148.57
2021.05    0.523   148.15
2022.05    0.526   147.75
2023.05    0.529   147.34
2024.05    0.531   146.94
2025.05    0.534   146.55
2026.05    0.537   146.16
2027.05    0.539   145.77
2028.05    0.541   145.39
2029.05    0.544   145.01
2030.05    0.546   144.63
2031.05    0.548   144.25
2032.05    0.550   143.88
2033.05    0.552   143.51
2034.05    0.553   143.15
2035.05    0.555   142.78
2036.05    0.557   142.42
2037.05    0.558   142.06
2038.05    0.559   141.70
2039.05    0.560   141.34
2040.05    0.562   140.99
2041.05    0.563   140.63
2042.05    0.563   140.28
2043.05    0.564   139.93
2044.05    0.565   139.57
2045.05    0.565   139.22
2046.05    0.566   138.87
2047.05    0.566   138.52
2048.05    0.566   138.17
2049.05    0.566   137.82
2050.05    0.566   137.48
2051.05    0.566   137.13
2052.05    0.566   136.78
2053.05    0.566   136.43
2054.05    0.565   136.08
2055.05    0.565   135.73
2056.05    0.564   135.37
2057.05    0.563   135.02
2058.05    0.562   134.67
2059.05    0.561   134.31
2060.05    0.560   133.96
2061.05    0.558   133.60
2062.05    0.557   133.24
2063.05    0.555   132.87
2064.05    0.554   132.51
2065.05    0.552   132.14
2066.05    0.550   131.78
2067.05    0.548   131.40
2068.05    0.546   131.03
2069.05    0.544   130.65
2070.05    0.541   130.27
2071.05    0.539   129.89
2072.05    0.536   129.50
2073.05    0.533   129.11
2074.05    0.530   128.71
2075.05    0.527   128.31
2076.05    0.524   127.91
2077.05    0.521   127.50
2078.05    0.518   127.08
2079.05    0.514   126.66
2080.05    0.511   126.23
2081.05    0.507   125.80
2082.05    0.503   125.36
2083.05    0.499   124.92
2084.05    0.495   124.46
2085.05    0.491   124.00
2086.05    0.487   123.54
2087.05    0.483   123.06
2088.05    0.478   122.57
2089.05    0.474   122.08
2090.05    0.469   121.57
2091.05    0.464   121.06
2092.05    0.459   120.53
2093.05    0.454   120.00
2094.05    0.449   119.45
2095.05    0.444   118.89
2096.05    0.439   118.31
2097.05    0.433   117.72
2098.05    0.428   117.12
2099.05    0.422   116.50
2100.05    0.417   115.86
2101.05    0.411   115.21
2102.05    0.405   114.53
2103.05    0.399   113.84
2104.05    0.393   113.12
2105.05    0.387   112.39
2106.05    0.381   111.63
2107.05    0.375   110.85
2108.05    0.369   110.03
2109.05    0.362   109.20
2110.05    0.356   108.33
2111.05    0.350   107.43
2112.05    0.343   106.49
2113.05    0.337   105.52
2114.05    0.330   104.52
2115.05    0.324   103.47
2116.05    0.317   102.38
2117.05    0.311   101.24
2118.05    0.304   100.06
2119.05    0.298    98.82
2120.05    0.291    97.53
2121.05    0.285    96.19
2122.05    0.279    94.78
2123.05    0.272    93.30
2124.05    0.266    91.76
2125.05    0.260    90.14
2126.05    0.254    88.44
2127.05    0.248    86.67
2128.05    0.243    84.81
2129.05    0.237    82.86
2130.05    0.232    80.82
2131.05    0.226    78.68
2132.05    0.221    76.44
2133.05    0.217    74.11
2134.05    0.212    71.68
2135.05    0.208    69.15
2136.05    0.205    66.51
2137.05    0.201    63.79
2138.05    0.198    60.98
2139.05    0.195    58.08
2140.05    0.193    55.11
2141.05    0.191    52.08
2142.05    0.190    49.00
2143.05    0.189    45.89
2144.05    0.189    42.75
2145.05    0.189    39.61
2146.05    0.189    36.47
2147.05    0.190    33.37
2148.05    0.192    30.30
2149.05    0.194    27.29
2150.05    0.196    24.34
2151.05    0.199    21.47
2152.05    0.202    18.69
2153.05    0.206    15.99
2154.05    0.209    13.38
2155.05    0.214    10.88
2156.05    0.218     8.47
2157.05    0.223     6.16
2158.05    0.227     3.95
2159.05    0.233     1.83
2160.05    0.238   359.80
2161.05    0.243   357.86
2162.05    0.249   356.01
2163.05    0.254   354.24
2164.05    0.260   352.55
2165.05    0.266   350.93
2166.05    0.272   349.38
2167.05    0.278   347.89
2168.05    0.284   346.47
2169.05    0.289   345.10
2170.05    0.295   343.79
2171.05    0.301   342.54
2172.05    0.307   341.32
2173.05    0.313   340.16
2174.05    0.319   339.04
2175.05    0.324   337.95
2176.05    0.330   336.91
2177.05    0.335   335.89
2178.05    0.341   334.91
2179.05    0.346   333.96
2180.05    0.351   333.04
2181.05    0.356   332.15
2182.05    0.361   331.28
2183.05    0.366   330.43
2184.05    0.371   329.61
2185.05    0.375   328.80
2186.05    0.380   328.01
2187.05    0.384   327.25
2188.05    0.388   326.49
2189.05    0.392   325.76
2190.05    0.395   325.03
2191.05    0.399   324.32






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 17:39:47



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