Double Star Calculator - Orbit

Orbital Elements for A512
WDS: A512 WDS ID/Discoverer
P: 187.000 Orbital period (years)
a: 0.21 Semi-major axis (arcseconds)
i: 42.6 Inclination (degrees)
Ω: 150.6 Longitude of ascending node (degrees)
T: 1978.100 Epoch of periastron passage (year)
e: 0.27 Eccentricity
ω: 146.3 Longitude of periastron (degrees)
Start-Year: 1931.5 Year
End-Year: 2118.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A512
Position: 065143.54+250253.5 Epoch-2000 right ascension and declination
WDS-ID: 06517+2503 WDS designation
Discoverer Code: A512 Discover designation and components
ADS number: 5515 Aitken Double Star catalog
HD number: 265025 HD catalog number
Hipparcos number: 32942 Hipparcos catalog number
V1: 9.57 Magnitude of the primary
V2: 10.08 Magnitude of the secondary
Equinox: Equinox
Date: 1982 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: Cou1982c Reference

Double Star Orbit for A512



WDS 6th Orbit including measures of A512

-- 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 A512
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.167    58.58
--------------------------
1931.50    0.214   171.13
1932.50    0.211   172.47
1933.50    0.208   173.85
1934.50    0.205   175.27
1935.50    0.201   176.73
1936.50    0.198   178.23
1937.50    0.195   179.79
1938.50    0.192   181.40
1939.50    0.188   183.07
1940.50    0.185   184.81
1941.50    0.181   186.61
1942.50    0.178   188.48
1943.50    0.174   190.42
1944.50    0.171   192.45
1945.50    0.167   194.56
1946.50    0.163   196.77
1947.50    0.160   199.07
1948.50    0.156   201.47
1949.50    0.153   203.99
1950.50    0.150   206.61
1951.50    0.146   209.36
1952.50    0.143   212.23
1953.50    0.140   215.22
1954.50    0.137   218.34
1955.50    0.135   221.59
1956.50    0.132   224.97
1957.50    0.130   228.46
1958.50    0.128   232.07
1959.50    0.126   235.79
1960.50    0.125   239.60
1961.50    0.124   243.49
1962.50    0.123   247.44
1963.50    0.122   251.44
1964.50    0.122   255.46
1965.50    0.122   259.48
1966.50    0.123   263.49
1967.50    0.123   267.46
1968.50    0.124   271.37
1969.50    0.126   275.22
1970.50    0.127   278.99
1971.50    0.129   282.67
1972.50    0.131   286.25
1973.50    0.132   289.73
1974.50    0.134   293.11
1975.50    0.137   296.39
1976.50    0.139   299.57
1977.50    0.141   302.65
1978.50    0.143   305.64
1979.50    0.145   308.54
1980.50    0.147   311.36
1981.50    0.149   314.11
1982.50    0.151   316.79
1983.50    0.153   319.40
1984.50    0.154   321.95
1985.50    0.156   324.46
1986.50    0.157   326.92
1987.50    0.158   329.33
1988.50    0.159   331.72
1989.50    0.160   334.07
1990.50    0.161   336.39
1991.50    0.162   338.70
1992.50    0.163   340.98
1993.50    0.163   343.25
1994.50    0.163   345.51
1995.50    0.164   347.77
1996.50    0.164   350.02
1997.50    0.164   352.26
1998.50    0.164   354.51
1999.50    0.163   356.76
2000.50    0.163   359.01
2001.50    0.163     1.27
2002.50    0.163     3.54
2003.50    0.163     5.82
2004.50    0.162     8.10
2005.50    0.162    10.39
2006.50    0.162    12.69
2007.50    0.161    15.00
2008.50    0.161    17.32
2009.50    0.161    19.64
2010.50    0.161    21.97
2011.50    0.160    24.31
2012.50    0.160    26.65
2013.50    0.160    28.99
2014.50    0.160    31.33
2015.50    0.160    33.67
2016.50    0.161    36.01
2017.50    0.161    38.33
2018.50    0.161    40.65
2019.50    0.162    42.96
2020.50    0.162    45.25
2021.50    0.163    47.53
2022.50    0.164    49.79
2023.50    0.164    52.02
2024.50    0.165    54.23
2025.50    0.166    56.42
2026.50    0.167    58.58
2027.50    0.169    60.71
2028.50    0.170    62.81
2029.50    0.171    64.88
2030.50    0.173    66.92
2031.50    0.174    68.92
2032.50    0.176    70.89
2033.50    0.177    72.82
2034.50    0.179    74.72
2035.50    0.181    76.58
2036.50    0.183    78.40
2037.50    0.184    80.19
2038.50    0.186    81.94
2039.50    0.188    83.66
2040.50    0.190    85.34
2041.50    0.192    86.99
2042.50    0.194    88.60
2043.50    0.196    90.18
2044.50    0.198    91.73
2045.50    0.200    93.24
2046.50    0.202    94.73
2047.50    0.204    96.18
2048.50    0.206    97.61
2049.50    0.209    99.01
2050.50    0.211   100.38
2051.50    0.213   101.72
2052.50    0.215   103.04
2053.50    0.217   104.33
2054.50    0.219   105.60
2055.50    0.221   106.85
2056.50    0.223   108.07
2057.50    0.225   109.27
2058.50    0.226   110.46
2059.50    0.228   111.62
2060.50    0.230   112.77
2061.50    0.232   113.89
2062.50    0.234   115.00
2063.50    0.235   116.10
2064.50    0.237   117.18
2065.50    0.239   118.24
2066.50    0.240   119.29
2067.50    0.242   120.33
2068.50    0.243   121.35
2069.50    0.244   122.36
2070.50    0.246   123.36
2071.50    0.247   124.35
2072.50    0.248   125.34
2073.50    0.249   126.31
2074.50    0.250   127.27
2075.50    0.251   128.23
2076.50    0.252   129.17
2077.50    0.253   130.12
2078.50    0.254   131.05
2079.50    0.255   131.98
2080.50    0.255   132.91
2081.50    0.256   133.83
2082.50    0.256   134.74
2083.50    0.257   135.66
2084.50    0.257   136.57
2085.50    0.257   137.48
2086.50    0.257   138.39
2087.50    0.258   139.29
2088.50    0.258   140.20
2089.50    0.257   141.11
2090.50    0.257   142.02
2091.50    0.257   142.93
2092.50    0.257   143.84
2093.50    0.256   144.76
2094.50    0.256   145.68
2095.50    0.255   146.60
2096.50    0.254   147.53
2097.50    0.253   148.46
2098.50    0.252   149.40
2099.50    0.251   150.35
2100.50    0.250   151.31
2101.50    0.249   152.27
2102.50    0.248   153.25
2103.50    0.246   154.24
2104.50    0.245   155.23
2105.50    0.243   156.24
2106.50    0.241   157.27
2107.50    0.240   158.31
2108.50    0.238   159.36
2109.50    0.236   160.44
2110.50    0.234   161.53
2111.50    0.231   162.64
2112.50    0.229   163.78
2113.50    0.227   164.93
2114.50    0.224   166.12
2115.50    0.222   167.32
2116.50    0.219   168.56
2117.50    0.216   169.83






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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.


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Report created: 2026-06-25 15:52:10



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