Double Star Calculator - Orbit

Orbital Elements for A2537
WDS: A2537 WDS ID/Discoverer
P: 428.000 Orbital period (years)
a: 0.338 Semi-major axis (arcseconds)
i: 113.8 Inclination (degrees)
Ω: 3.6 Longitude of ascending node (degrees)
T: 2083.000 Epoch of periastron passage (year)
e: 0.0 Eccentricity
ω: 0.0 Longitude of periastron (degrees)
Start-Year: 1811.0 Year
End-Year: 2239.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A2537
Position: 075531.40+242147.5 Epoch-2000 right ascension and declination
WDS-ID: 07555+2422 WDS designation
Discoverer Code: A2537 Discover designation and components
ADS number: 6459 Aitken Double Star catalog
HD number: 64583 HD catalog number
Hipparcos number: 38711 Hipparcos catalog number
V1: 9.16 Magnitude of the primary
V2: 9.51 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2004 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: Zir2012b Reference

Double Star Orbit for A2537



WDS 6th Orbit including measures of A2537

-- 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 A2537
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.249    27.39
--------------------------
1811.00    0.245   208.34
1812.00    0.248   207.70
1813.00    0.251   207.08
1814.00    0.254   206.47
1815.00    0.256   205.87
1816.00    0.259   205.29
1817.00    0.262   204.71
1818.00    0.264   204.15
1819.00    0.267   203.61
1820.00    0.270   203.07
1821.00    0.272   202.54
1822.00    0.275   202.02
1823.00    0.277   201.51
1824.00    0.280   201.01
1825.00    0.282   200.52
1826.00    0.284   200.04
1827.00    0.287   199.56
1828.00    0.289   199.09
1829.00    0.291   198.63
1830.00    0.294   198.18
1831.00    0.296   197.73
1832.00    0.298   197.29
1833.00    0.300   196.86
1834.00    0.302   196.43
1835.00    0.304   196.01
1836.00    0.306   195.59
1837.00    0.308   195.18
1838.00    0.309   194.77
1839.00    0.311   194.37
1840.00    0.313   193.97
1841.00    0.315   193.58
1842.00    0.316   193.19
1843.00    0.318   192.80
1844.00    0.319   192.42
1845.00    0.321   192.04
1846.00    0.322   191.66
1847.00    0.323   191.29
1848.00    0.325   190.92
1849.00    0.326   190.56
1850.00    0.327   190.19
1851.00    0.328   189.83
1852.00    0.329   189.47
1853.00    0.330   189.12
1854.00    0.331   188.76
1855.00    0.332   188.41
1856.00    0.333   188.06
1857.00    0.334   187.71
1858.00    0.334   187.36
1859.00    0.335   187.01
1860.00    0.336   186.67
1861.00    0.336   186.33
1862.00    0.337   185.98
1863.00    0.337   185.64
1864.00    0.337   185.30
1865.00    0.338   184.96
1866.00    0.338   184.62
1867.00    0.338   184.28
1868.00    0.338   183.94
1869.00    0.338   183.60
1870.00    0.338   183.26
1871.00    0.338   182.92
1872.00    0.338   182.58
1873.00    0.338   182.24
1874.00    0.337   181.90
1875.00    0.337   181.56
1876.00    0.337   181.22
1877.00    0.336   180.87
1878.00    0.336   180.53
1879.00    0.335   180.19
1880.00    0.334   179.84
1881.00    0.334   179.49
1882.00    0.333   179.14
1883.00    0.332   178.79
1884.00    0.331   178.44
1885.00    0.330   178.08
1886.00    0.329   177.73
1887.00    0.328   177.37
1888.00    0.327   177.01
1889.00    0.326   176.64
1890.00    0.325   176.28
1891.00    0.323   175.91
1892.00    0.322   175.54
1893.00    0.321   175.16
1894.00    0.319   174.78
1895.00    0.318   174.40
1896.00    0.316   174.01
1897.00    0.315   173.62
1898.00    0.313   173.23
1899.00    0.311   172.83
1900.00    0.309   172.43
1901.00    0.308   172.02
1902.00    0.306   171.61
1903.00    0.304   171.19
1904.00    0.302   170.77
1905.00    0.300   170.34
1906.00    0.298   169.91
1907.00    0.296   169.47
1908.00    0.294   169.02
1909.00    0.291   168.57
1910.00    0.289   168.11
1911.00    0.287   167.64
1912.00    0.284   167.16
1913.00    0.282   166.68
1914.00    0.280   166.19
1915.00    0.277   165.69
1916.00    0.275   165.18
1917.00    0.272   164.66
1918.00    0.270   164.13
1919.00    0.267   163.59
1920.00    0.264   163.05
1921.00    0.262   162.49
1922.00    0.259   161.91
1923.00    0.256   161.33
1924.00    0.254   160.73
1925.00    0.251   160.12
1926.00    0.248   159.50
1927.00    0.245   158.86
1928.00    0.242   158.21
1929.00    0.239   157.54
1930.00    0.237   156.86
1931.00    0.234   156.16
1932.00    0.231   155.44
1933.00    0.228   154.70
1934.00    0.225   153.94
1935.00    0.222   153.17
1936.00    0.219   152.37
1937.00    0.216   151.55
1938.00    0.213   150.71
1939.00    0.210   149.84
1940.00    0.207   148.95
1941.00    0.204   148.03
1942.00    0.201   147.09
1943.00    0.198   146.12
1944.00    0.195   145.12
1945.00    0.193   144.09
1946.00    0.190   143.03
1947.00    0.187   141.93
1948.00    0.184   140.81
1949.00    0.181   139.64
1950.00    0.179   138.45
1951.00    0.176   137.21
1952.00    0.173   135.94
1953.00    0.171   134.62
1954.00    0.168   133.27
1955.00    0.166   131.88
1956.00    0.163   130.44
1957.00    0.161   128.96
1958.00    0.159   127.44
1959.00    0.156   125.88
1960.00    0.154   124.27
1961.00    0.152   122.62
1962.00    0.150   120.92
1963.00    0.148   119.18
1964.00    0.147   117.40
1965.00    0.145   115.58
1966.00    0.144   113.72
1967.00    0.142   111.83
1968.00    0.141   109.90
1969.00    0.140   107.94
1970.00    0.139   105.94
1971.00    0.138   103.93
1972.00    0.138   101.89
1973.00    0.137    99.83
1974.00    0.137    97.76
1975.00    0.136    95.68
1976.00    0.136    93.60
1977.00    0.136    91.52
1978.00    0.137    89.44
1979.00    0.137    87.37
1980.00    0.138    85.31
1981.00    0.138    83.27
1982.00    0.139    81.26
1983.00    0.140    79.26
1984.00    0.141    77.30
1985.00    0.142    75.37
1986.00    0.144    73.48
1987.00    0.145    71.62
1988.00    0.147    69.80
1989.00    0.148    68.02
1990.00    0.150    66.28
1991.00    0.152    64.58
1992.00    0.154    62.93
1993.00    0.156    61.32
1994.00    0.159    59.76
1995.00    0.161    58.24
1996.00    0.163    56.76
1997.00    0.166    55.32
1998.00    0.168    53.93
1999.00    0.171    52.58
2000.00    0.173    51.26
2001.00    0.176    49.99
2002.00    0.179    48.75
2003.00    0.181    47.56
2004.00    0.184    46.39
2005.00    0.187    45.27
2006.00    0.190    44.17
2007.00    0.193    43.11
2008.00    0.195    42.08
2009.00    0.198    41.08
2010.00    0.201    40.11
2011.00    0.204    39.17
2012.00    0.207    38.25
2013.00    0.210    37.36
2014.00    0.213    36.49
2015.00    0.216    35.65
2016.00    0.219    34.83
2017.00    0.222    34.03
2018.00    0.225    33.26
2019.00    0.228    32.50
2020.00    0.231    31.76
2021.00    0.234    31.04
2022.00    0.237    30.34
2023.00    0.239    29.66
2024.00    0.242    28.99
2025.00    0.245    28.34
2026.00    0.248    27.70
2027.00    0.251    27.08
2028.00    0.254    26.47
2029.00    0.256    25.87
2030.00    0.259    25.29
2031.00    0.262    24.71
2032.00    0.264    24.15
2033.00    0.267    23.61
2034.00    0.270    23.07
2035.00    0.272    22.54
2036.00    0.275    22.02
2037.00    0.277    21.51
2038.00    0.280    21.01
2039.00    0.282    20.52
2040.00    0.284    20.04
2041.00    0.287    19.56
2042.00    0.289    19.09
2043.00    0.291    18.63
2044.00    0.294    18.18
2045.00    0.296    17.73
2046.00    0.298    17.29
2047.00    0.300    16.86
2048.00    0.302    16.43
2049.00    0.304    16.01
2050.00    0.306    15.59
2051.00    0.308    15.18
2052.00    0.309    14.77
2053.00    0.311    14.37
2054.00    0.313    13.97
2055.00    0.315    13.58
2056.00    0.316    13.19
2057.00    0.318    12.80
2058.00    0.319    12.42
2059.00    0.321    12.04
2060.00    0.322    11.66
2061.00    0.323    11.29
2062.00    0.325    10.92
2063.00    0.326    10.56
2064.00    0.327    10.19
2065.00    0.328     9.83
2066.00    0.329     9.47
2067.00    0.330     9.12
2068.00    0.331     8.76
2069.00    0.332     8.41
2070.00    0.333     8.06
2071.00    0.334     7.71
2072.00    0.334     7.36
2073.00    0.335     7.01
2074.00    0.336     6.67
2075.00    0.336     6.33
2076.00    0.337     5.98
2077.00    0.337     5.64
2078.00    0.337     5.30
2079.00    0.338     4.96
2080.00    0.338     4.62
2081.00    0.338     4.28
2082.00    0.338     3.94
2083.00    0.338     3.60
2084.00    0.338     3.26
2085.00    0.338     2.92
2086.00    0.338     2.58
2087.00    0.338     2.24
2088.00    0.337     1.90
2089.00    0.337     1.56
2090.00    0.337     1.22
2091.00    0.336     0.87
2092.00    0.336     0.53
2093.00    0.335     0.19
2094.00    0.334   359.84
2095.00    0.334   359.49
2096.00    0.333   359.14
2097.00    0.332   358.79
2098.00    0.331   358.44
2099.00    0.330   358.08
2100.00    0.329   357.73
2101.00    0.328   357.37
2102.00    0.327   357.01
2103.00    0.326   356.64
2104.00    0.325   356.28
2105.00    0.323   355.91
2106.00    0.322   355.54
2107.00    0.321   355.16
2108.00    0.319   354.78
2109.00    0.318   354.40
2110.00    0.316   354.01
2111.00    0.315   353.62
2112.00    0.313   353.23
2113.00    0.311   352.83
2114.00    0.309   352.43
2115.00    0.308   352.02
2116.00    0.306   351.61
2117.00    0.304   351.19
2118.00    0.302   350.77
2119.00    0.300   350.34
2120.00    0.298   349.91
2121.00    0.296   349.47
2122.00    0.294   349.02
2123.00    0.291   348.57
2124.00    0.289   348.11
2125.00    0.287   347.64
2126.00    0.284   347.16
2127.00    0.282   346.68
2128.00    0.280   346.19
2129.00    0.277   345.69
2130.00    0.275   345.18
2131.00    0.272   344.66
2132.00    0.270   344.13
2133.00    0.267   343.59
2134.00    0.264   343.05
2135.00    0.262   342.49
2136.00    0.259   341.91
2137.00    0.256   341.33
2138.00    0.254   340.73
2139.00    0.251   340.12
2140.00    0.248   339.50
2141.00    0.245   338.86
2142.00    0.242   338.21
2143.00    0.239   337.54
2144.00    0.237   336.86
2145.00    0.234   336.16
2146.00    0.231   335.44
2147.00    0.228   334.70
2148.00    0.225   333.94
2149.00    0.222   333.17
2150.00    0.219   332.37
2151.00    0.216   331.55
2152.00    0.213   330.71
2153.00    0.210   329.84
2154.00    0.207   328.95
2155.00    0.204   328.03
2156.00    0.201   327.09
2157.00    0.198   326.12
2158.00    0.195   325.12
2159.00    0.193   324.09
2160.00    0.190   323.03
2161.00    0.187   321.93
2162.00    0.184   320.81
2163.00    0.181   319.64
2164.00    0.179   318.45
2165.00    0.176   317.21
2166.00    0.173   315.94
2167.00    0.171   314.62
2168.00    0.168   313.27
2169.00    0.166   311.88
2170.00    0.163   310.44
2171.00    0.161   308.96
2172.00    0.159   307.44
2173.00    0.156   305.88
2174.00    0.154   304.27
2175.00    0.152   302.62
2176.00    0.150   300.92
2177.00    0.148   299.18
2178.00    0.147   297.40
2179.00    0.145   295.58
2180.00    0.144   293.72
2181.00    0.142   291.83
2182.00    0.141   289.90
2183.00    0.140   287.94
2184.00    0.139   285.94
2185.00    0.138   283.93
2186.00    0.138   281.89
2187.00    0.137   279.83
2188.00    0.137   277.76
2189.00    0.136   275.68
2190.00    0.136   273.60
2191.00    0.136   271.52
2192.00    0.137   269.44
2193.00    0.137   267.37
2194.00    0.138   265.31
2195.00    0.138   263.27
2196.00    0.139   261.26
2197.00    0.140   259.26
2198.00    0.141   257.30
2199.00    0.142   255.37
2200.00    0.144   253.48
2201.00    0.145   251.62
2202.00    0.147   249.80
2203.00    0.148   248.02
2204.00    0.150   246.28
2205.00    0.152   244.58
2206.00    0.154   242.93
2207.00    0.156   241.32
2208.00    0.159   239.76
2209.00    0.161   238.24
2210.00    0.163   236.76
2211.00    0.166   235.32
2212.00    0.168   233.93
2213.00    0.171   232.58
2214.00    0.173   231.26
2215.00    0.176   229.99
2216.00    0.179   228.75
2217.00    0.181   227.56
2218.00    0.184   226.39
2219.00    0.187   225.27
2220.00    0.190   224.17
2221.00    0.193   223.11
2222.00    0.195   222.08
2223.00    0.198   221.08
2224.00    0.201   220.11
2225.00    0.204   219.17
2226.00    0.207   218.25
2227.00    0.210   217.36
2228.00    0.213   216.49
2229.00    0.216   215.65
2230.00    0.219   214.83
2231.00    0.222   214.03
2232.00    0.225   213.26
2233.00    0.228   212.50
2234.00    0.231   211.76
2235.00    0.234   211.04
2236.00    0.237   210.34
2237.00    0.239   209.66
2238.00    0.242   208.99






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 16:03:03



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