Double Star Calculator - Orbit

Orbital Elements for B1023

WDS:	B1023	WDS ID/Discoverer
P:	300.000	Orbital period (years)
a:	0.349	Semi-major axis (arcseconds)
i:	145.0	Inclination (degrees)
Ω:	221.9	Longitude of ascending node (degrees)
T:	1979.290	Epoch of periastron passage (year)
e:	0.861	Eccentricity
ω:	270.0	Longitude of periastron (degrees)
Start-Year:	1875.0	Year
End-Year:	2175.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B1023
Position:	001230.94-321915.0	Epoch-2000 right ascension and declination
WDS-ID:	00125-3219	WDS designation
Discoverer Code:	B1023	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	824	HD catalog number
Hipparcos number:	1001	Hipparcos catalog number
V1:	9.51	Magnitude of the primary
V2:	10.86	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2023	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2023a	Reference

Double Star Orbit for B1023

WDS 6th Orbit including measures of B1023

-- 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 B1023

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.361   160.34
--------------------------
1875.00    0.501   121.67
1876.00    0.500   121.43
1877.00    0.499   121.18
1878.00    0.497   120.94
1879.00    0.496   120.69
1880.00    0.494   120.44
1881.00    0.493   120.19
1882.00    0.491   119.94
1883.00    0.489   119.69
1884.00    0.488   119.43
1885.00    0.486   119.18
1886.00    0.484   118.92
1887.00    0.483   118.66
1888.00    0.481   118.40
1889.00    0.479   118.13
1890.00    0.477   117.86
1891.00    0.475   117.60
1892.00    0.473   117.33
1893.00    0.471   117.05
1894.00    0.469   116.78
1895.00    0.467   116.50
1896.00    0.465   116.22
1897.00    0.463   115.94
1898.00    0.461   115.65
1899.00    0.459   115.36
1900.00    0.457   115.07
1901.00    0.454   114.78
1902.00    0.452   114.48
1903.00    0.450   114.18
1904.00    0.447   113.88
1905.00    0.445   113.57
1906.00    0.442   113.26
1907.00    0.440   112.95
1908.00    0.437   112.63
1909.00    0.435   112.31
1910.00    0.432   111.99
1911.00    0.429   111.66
1912.00    0.427   111.33
1913.00    0.424   110.99
1914.00    0.421   110.65
1915.00    0.418   110.30
1916.00    0.415   109.95
1917.00    0.412   109.60
1918.00    0.409   109.24
1919.00    0.406   108.87
1920.00    0.403   108.50
1921.00    0.400   108.12
1922.00    0.397   107.74
1923.00    0.393   107.35
1924.00    0.390   106.95
1925.00    0.387   106.54
1926.00    0.383   106.13
1927.00    0.380   105.71
1928.00    0.376   105.29
1929.00    0.372   104.85
1930.00    0.369   104.41
1931.00    0.365   103.96
1932.00    0.361   103.50
1933.00    0.357   103.02
1934.00    0.353   102.54
1935.00    0.349   102.05
1936.00    0.345   101.54
1937.00    0.341   101.03
1938.00    0.337   100.50
1939.00    0.333    99.96
1940.00    0.328    99.40
1941.00    0.324    98.83
1942.00    0.319    98.24
1943.00    0.315    97.63
1944.00    0.310    97.01
1945.00    0.305    96.37
1946.00    0.301    95.70
1947.00    0.296    95.02
1948.00    0.291    94.31
1949.00    0.285    93.57
1950.00    0.280    92.81
1951.00    0.275    92.02
1952.00    0.269    91.20
1953.00    0.264    90.34
1954.00    0.258    89.44
1955.00    0.252    88.51
1956.00    0.246    87.52
1957.00    0.240    86.49
1958.00    0.234    85.41
1959.00    0.227    84.26
1960.00    0.220    83.04
1961.00    0.214    81.75
1962.00    0.207    80.37
1963.00    0.199    78.89
1964.00    0.192    77.30
1965.00    0.184    75.58
1966.00    0.176    73.71
1967.00    0.168    71.66
1968.00    0.160    69.39
1969.00    0.151    66.86
1970.00    0.141    64.00
1971.00    0.132    60.73
1972.00    0.121    56.92
1973.00    0.111    52.38
1974.00    0.099    46.82
1975.00    0.087    39.75
1976.00    0.074    30.27
1977.00    0.061    16.65
1978.00    0.048   355.53
1979.00    0.040   322.99
1980.00    0.042   285.74
1981.00    0.053   258.19
1982.00    0.066   240.76
1983.00    0.079   229.17
1984.00    0.092   220.85
1985.00    0.104   214.50
1986.00    0.115   209.41
1987.00    0.126   205.21
1988.00    0.136   201.64
1989.00    0.145   198.56
1990.00    0.154   195.84
1991.00    0.163   193.43
1992.00    0.172   191.26
1993.00    0.180   189.28
1994.00    0.188   187.48
1995.00    0.195   185.81
1996.00    0.202   184.27
1997.00    0.210   182.84
1998.00    0.217   181.50
1999.00    0.223   180.24
2000.00    0.230   179.05
2001.00    0.236   177.93
2002.00    0.242   176.87
2003.00    0.249   175.86
2004.00    0.254   174.89
2005.00    0.260   173.98
2006.00    0.266   173.10
2007.00    0.272   172.25
2008.00    0.277   171.44
2009.00    0.282   170.66
2010.00    0.288   169.91
2011.00    0.293   169.19
2012.00    0.298   168.49
2013.00    0.303   167.82
2014.00    0.307   167.16
2015.00    0.312   166.53
2016.00    0.317   165.91
2017.00    0.321   165.31
2018.00    0.326   164.73
2019.00    0.330   164.17
2020.00    0.335   163.61
2021.00    0.339   163.08
2022.00    0.343   162.55
2023.00    0.347   162.04
2024.00    0.351   161.54
2025.00    0.355   161.05
2026.00    0.359   160.58
2027.00    0.363   160.11
2028.00    0.367   159.65
2029.00    0.370   159.20
2030.00    0.374   158.76
2031.00    0.378   158.33
2032.00    0.381   157.91
2033.00    0.385   157.49
2034.00    0.388   157.09
2035.00    0.391   156.68
2036.00    0.395   156.29
2037.00    0.398   155.90
2038.00    0.401   155.52
2039.00    0.404   155.15
2040.00    0.407   154.78
2041.00    0.410   154.41
2042.00    0.413   154.05
2043.00    0.416   153.70
2044.00    0.419   153.35
2045.00    0.422   153.01
2046.00    0.425   152.67
2047.00    0.428   152.33
2048.00    0.430   152.00
2049.00    0.433   151.67
2050.00    0.436   151.35
2051.00    0.438   151.03
2052.00    0.441   150.72
2053.00    0.443   150.41
2054.00    0.446   150.10
2055.00    0.448   149.79
2056.00    0.451   149.49
2057.00    0.453   149.19
2058.00    0.455   148.90
2059.00    0.457   148.60
2060.00    0.460   148.32
2061.00    0.462   148.03
2062.00    0.464   147.74
2063.00    0.466   147.46
2064.00    0.468   147.18
2065.00    0.470   146.91
2066.00    0.472   146.63
2067.00    0.474   146.36
2068.00    0.476   146.09
2069.00    0.478   145.82
2070.00    0.480   145.56
2071.00    0.482   145.29
2072.00    0.483   145.03
2073.00    0.485   144.77
2074.00    0.487   144.52
2075.00    0.488   144.26
2076.00    0.490   144.01
2077.00    0.492   143.75
2078.00    0.493   143.50
2079.00    0.495   143.25
2080.00    0.496   143.00
2081.00    0.498   142.76
2082.00    0.499   142.51
2083.00    0.501   142.27
2084.00    0.502   142.03
2085.00    0.503   141.79
2086.00    0.505   141.55
2087.00    0.506   141.31
2088.00    0.507   141.07
2089.00    0.508   140.83
2090.00    0.510   140.60
2091.00    0.511   140.36
2092.00    0.512   140.13
2093.00    0.513   139.90
2094.00    0.514   139.67
2095.00    0.515   139.44
2096.00    0.516   139.21
2097.00    0.517   138.98
2098.00    0.518   138.75
2099.00    0.519   138.53
2100.00    0.520   138.30
2101.00    0.520   138.08
2102.00    0.521   137.85
2103.00    0.522   137.63
2104.00    0.523   137.40
2105.00    0.524   137.18
2106.00    0.524   136.96
2107.00    0.525   136.74
2108.00    0.525   136.52
2109.00    0.526   136.30
2110.00    0.527   136.08
2111.00    0.527   135.86
2112.00    0.528   135.64
2113.00    0.528   135.42
2114.00    0.529   135.20
2115.00    0.529   134.99
2116.00    0.529   134.77
2117.00    0.530   134.55
2118.00    0.530   134.33
2119.00    0.531   134.12
2120.00    0.531   133.90
2121.00    0.531   133.69
2122.00    0.531   133.47
2123.00    0.531   133.25
2124.00    0.532   133.04
2125.00    0.532   132.82
2126.00    0.532   132.61
2127.00    0.532   132.39
2128.00    0.532   132.18
2129.00    0.532   131.96
2130.00    0.532   131.75
2131.00    0.532   131.53
2132.00    0.532   131.32
2133.00    0.532   131.10
2134.00    0.532   130.89
2135.00    0.532   130.67
2136.00    0.531   130.46
2137.00    0.531   130.24
2138.00    0.531   130.02
2139.00    0.531   129.81
2140.00    0.530   129.59
2141.00    0.530   129.37
2142.00    0.530   129.16
2143.00    0.529   128.94
2144.00    0.529   128.72
2145.00    0.528   128.51
2146.00    0.528   128.29
2147.00    0.528   128.07
2148.00    0.527   127.85
2149.00    0.526   127.63
2150.00    0.526   127.41
2151.00    0.525   127.19
2152.00    0.525   126.97
2153.00    0.524   126.75
2154.00    0.523   126.52
2155.00    0.522   126.30
2156.00    0.522   126.08
2157.00    0.521   125.85
2158.00    0.520   125.63
2159.00    0.519   125.40
2160.00    0.518   125.18
2161.00    0.517   124.95
2162.00    0.517   124.72
2163.00    0.516   124.49
2164.00    0.515   124.26
2165.00    0.514   124.03
2166.00    0.512   123.80
2167.00    0.511   123.57
2168.00    0.510   123.34
2169.00    0.509   123.10
2170.00    0.508   122.87
2171.00    0.507   122.63
2172.00    0.505   122.39
2173.00    0.504   122.15
2174.00    0.503   121.91

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 14:36:46