Double Star Calculator - Orbit

Orbital Elements for HEI42AA,AB
WDS: HEI42AA,AB WDS ID/Discoverer
P: 317.400 Orbital period (years)
a: 0.355 Semi-major axis (arcseconds)
i: 107.3 Inclination (degrees)
Ω: 142.8 Longitude of ascending node (degrees)
T: 1960.200 Epoch of periastron passage (year)
e: 0.675 Eccentricity
ω: 257.0 Longitude of periastron (degrees)
Start-Year: 1866.3 Year
End-Year: 2183.7 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HEI42AA,AB
Position: 053200.40-001756.7 Epoch-2000 right ascension and declination
WDS-ID: 05320-0018 WDS designation
Discoverer Code: HEI42AA,AB Discover designation and components
ADS number: 4134 Aitken Double Star catalog
HD number: 36486 HD catalog number
Hipparcos number: 25930 Hipparcos catalog number
V1: 2.41 Magnitude of the primary
V2: 3.76 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Msn2023 Reference

Double Star Orbit for HEI42AA,AB



WDS 6th Orbit including measures of HEI42AA,AB

-- 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 HEI42AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.333   127.06
--------------------------
1866.30    0.170    27.31
1867.30    0.171    26.23
1868.30    0.172    25.16
1869.30    0.172    24.10
1870.30    0.173    23.05
1871.30    0.174    22.01
1872.30    0.175    20.97
1873.30    0.176    19.95
1874.30    0.176    18.94
1875.30    0.177    17.93
1876.30    0.178    16.94
1877.30    0.179    15.96
1878.30    0.180    14.99
1879.30    0.181    14.03
1880.30    0.182    13.08
1881.30    0.183    12.14
1882.30    0.184    11.21
1883.30    0.186    10.30
1884.30    0.187     9.39
1885.30    0.188     8.50
1886.30    0.189     7.61
1887.30    0.190     6.74
1888.30    0.191     5.88
1889.30    0.192     5.02
1890.30    0.194     4.18
1891.30    0.195     3.35
1892.30    0.196     2.53
1893.30    0.197     1.72
1894.30    0.198     0.92
1895.30    0.200     0.13
1896.30    0.201   359.34
1897.30    0.202   358.57
1898.30    0.203   357.80
1899.30    0.204   357.05
1900.30    0.205   356.30
1901.30    0.207   355.56
1902.30    0.208   354.83
1903.30    0.209   354.11
1904.30    0.210   353.39
1905.30    0.211   352.68
1906.30    0.212   351.98
1907.30    0.213   351.29
1908.30    0.214   350.60
1909.30    0.215   349.92
1910.30    0.216   349.24
1911.30    0.217   348.57
1912.30    0.217   347.90
1913.30    0.218   347.24
1914.30    0.219   346.59
1915.30    0.220   345.93
1916.30    0.220   345.28
1917.30    0.221   344.64
1918.30    0.221   343.99
1919.30    0.221   343.35
1920.30    0.222   342.72
1921.30    0.222   342.08
1922.30    0.222   341.44
1923.30    0.222   340.81
1924.30    0.222   340.17
1925.30    0.222   339.54
1926.30    0.222   338.90
1927.30    0.221   338.26
1928.30    0.221   337.62
1929.30    0.220   336.97
1930.30    0.219   336.33
1931.30    0.218   335.67
1932.30    0.217   335.01
1933.30    0.216   334.34
1934.30    0.214   333.67
1935.30    0.213   332.98
1936.30    0.211   332.28
1937.30    0.209   331.57
1938.30    0.206   330.84
1939.30    0.203   330.09
1940.30    0.200   329.32
1941.30    0.197   328.53
1942.30    0.193   327.71
1943.30    0.189   326.85
1944.30    0.185   325.95
1945.30    0.180   325.01
1946.30    0.175   324.01
1947.30    0.169   322.95
1948.30    0.162   321.80
1949.30    0.155   320.55
1950.30    0.147   319.18
1951.30    0.139   317.65
1952.30    0.130   315.92
1953.30    0.120   313.91
1954.30    0.110   311.54
1955.30    0.099   308.64
1956.30    0.087   304.98
1957.30    0.075   300.17
1958.30    0.063   293.50
1959.30    0.051   283.73
1960.30    0.041   268.84
1961.30    0.035   247.03
1962.30    0.036   221.33
1963.30    0.042   199.67
1964.30    0.052   184.94
1965.30    0.063   175.30
1966.30    0.076   168.74
1967.30    0.088   164.04
1968.30    0.100   160.49
1969.30    0.112   157.72
1970.30    0.124   155.46
1971.30    0.135   153.59
1972.30    0.146   152.00
1973.30    0.156   150.61
1974.30    0.165   149.39
1975.30    0.174   148.31
1976.30    0.183   147.33
1977.30    0.192   146.43
1978.30    0.199   145.61
1979.30    0.207   144.85
1980.30    0.214   144.14
1981.30    0.221   143.48
1982.30    0.227   142.86
1983.30    0.233   142.27
1984.30    0.239   141.70
1985.30    0.245   141.17
1986.30    0.250   140.66
1987.30    0.255   140.16
1988.30    0.260   139.69
1989.30    0.264   139.24
1990.30    0.269   138.79
1991.30    0.273   138.37
1992.30    0.277   137.95
1993.30    0.281   137.55
1994.30    0.284   137.16
1995.30    0.288   136.77
1996.30    0.291   136.40
1997.30    0.294   136.03
1998.30    0.297   135.67
1999.30    0.299   135.32
2000.30    0.302   134.97
2001.30    0.305   134.63
2002.30    0.307   134.29
2003.30    0.309   133.96
2004.30    0.311   133.64
2005.30    0.313   133.32
2006.30    0.315   133.00
2007.30    0.317   132.68
2008.30    0.318   132.37
2009.30    0.320   132.06
2010.30    0.321   131.76
2011.30    0.323   131.46
2012.30    0.324   131.16
2013.30    0.325   130.86
2014.30    0.326   130.56
2015.30    0.327   130.27
2016.30    0.328   129.98
2017.30    0.329   129.69
2018.30    0.330   129.40
2019.30    0.330   129.11
2020.30    0.331   128.82
2021.30    0.331   128.54
2022.30    0.332   128.25
2023.30    0.332   127.97
2024.30    0.333   127.68
2025.30    0.333   127.40
2026.30    0.333   127.12
2027.30    0.333   126.84
2028.30    0.333   126.55
2029.30    0.333   126.27
2030.30    0.333   125.99
2031.30    0.333   125.71
2032.30    0.333   125.43
2033.30    0.333   125.14
2034.30    0.333   124.86
2035.30    0.333   124.58
2036.30    0.332   124.29
2037.30    0.332   124.01
2038.30    0.331   123.72
2039.30    0.331   123.44
2040.30    0.330   123.15
2041.30    0.330   122.86
2042.30    0.329   122.57
2043.30    0.329   122.28
2044.30    0.328   121.99
2045.30    0.327   121.70
2046.30    0.327   121.41
2047.30    0.326   121.11
2048.30    0.325   120.82
2049.30    0.324   120.52
2050.30    0.323   120.22
2051.30    0.322   119.92
2052.30    0.321   119.61
2053.30    0.320   119.31
2054.30    0.319   119.00
2055.30    0.318   118.69
2056.30    0.317   118.38
2057.30    0.316   118.07
2058.30    0.315   117.76
2059.30    0.314   117.44
2060.30    0.313   117.12
2061.30    0.311   116.80
2062.30    0.310   116.47
2063.30    0.309   116.15
2064.30    0.308   115.82
2065.30    0.306   115.48
2066.30    0.305   115.15
2067.30    0.304   114.81
2068.30    0.302   114.47
2069.30    0.301   114.12
2070.30    0.299   113.77
2071.30    0.298   113.42
2072.30    0.297   113.07
2073.30    0.295   112.71
2074.30    0.294   112.35
2075.30    0.292   111.98
2076.30    0.291   111.61
2077.30    0.289   111.24
2078.30    0.288   110.86
2079.30    0.286   110.48
2080.30    0.284   110.10
2081.30    0.283   109.71
2082.30    0.281   109.31
2083.30    0.280   108.91
2084.30    0.278   108.51
2085.30    0.276   108.10
2086.30    0.275   107.69
2087.30    0.273   107.27
2088.30    0.271   106.84
2089.30    0.270   106.42
2090.30    0.268   105.98
2091.30    0.266   105.54
2092.30    0.264   105.10
2093.30    0.263   104.64
2094.30    0.261   104.19
2095.30    0.259   103.72
2096.30    0.258   103.25
2097.30    0.256   102.78
2098.30    0.254   102.29
2099.30    0.252   101.81
2100.30    0.251   101.31
2101.30    0.249   100.81
2102.30    0.247   100.30
2103.30    0.245    99.78
2104.30    0.243    99.25
2105.30    0.242    98.72
2106.30    0.240    98.18
2107.30    0.238    97.63
2108.30    0.236    97.07
2109.30    0.235    96.51
2110.30    0.233    95.93
2111.30    0.231    95.35
2112.30    0.229    94.76
2113.30    0.228    94.16
2114.30    0.226    93.55
2115.30    0.224    92.93
2116.30    0.223    92.30
2117.30    0.221    91.67
2118.30    0.219    91.02
2119.30    0.217    90.36
2120.30    0.216    89.69
2121.30    0.214    89.01
2122.30    0.212    88.32
2123.30    0.211    87.62
2124.30    0.209    86.91
2125.30    0.208    86.19
2126.30    0.206    85.46
2127.30    0.204    84.71
2128.30    0.203    83.95
2129.30    0.201    83.19
2130.30    0.200    82.41
2131.30    0.198    81.62
2132.30    0.197    80.81
2133.30    0.195    80.00
2134.30    0.194    79.17
2135.30    0.193    78.33
2136.30    0.191    77.48
2137.30    0.190    76.61
2138.30    0.188    75.74
2139.30    0.187    74.85
2140.30    0.186    73.95
2141.30    0.185    73.03
2142.30    0.183    72.11
2143.30    0.182    71.17
2144.30    0.181    70.22
2145.30    0.180    69.26
2146.30    0.179    68.28
2147.30    0.178    67.30
2148.30    0.177    66.30
2149.30    0.176    65.30
2150.30    0.175    64.28
2151.30    0.174    63.25
2152.30    0.173    62.21
2153.30    0.173    61.16
2154.30    0.172    60.11
2155.30    0.171    59.04
2156.30    0.170    57.96
2157.30    0.170    56.88
2158.30    0.169    55.79
2159.30    0.169    54.69
2160.30    0.168    53.58
2161.30    0.168    52.47
2162.30    0.167    51.36
2163.30    0.167    50.23
2164.30    0.167    49.11
2165.30    0.166    47.98
2166.30    0.166    46.84
2167.30    0.166    45.71
2168.30    0.166    44.57
2169.30    0.166    43.43
2170.30    0.166    42.29
2171.30    0.166    41.16
2172.30    0.166    40.02
2173.30    0.166    38.88
2174.30    0.166    37.75
2175.30    0.167    36.62
2176.30    0.167    35.49
2177.30    0.167    34.37
2178.30    0.168    33.25
2179.30    0.168    32.13
2180.30    0.168    31.02
2181.30    0.169    29.92
2182.30    0.169    28.83
2183.30    0.170    27.74






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 15:38:16



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