Double Star Calculator - Orbit

Orbital Elements for B972
WDS: B972 WDS ID/Discoverer
P: 210.800 Orbital period (years)
a: 0.152 Semi-major axis (arcseconds)
i: 144.8 Inclination (degrees)
Ω: 183.0 Longitude of ascending node (degrees)
T: 2010.980 Epoch of periastron passage (year)
e: 0.681 Eccentricity
ω: 275.0 Longitude of periastron (degrees)
Start-Year: 1919.6 Year
End-Year: 2130.4 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for B972
Position: 193027.58-314925.1 Epoch-2000 right ascension and declination
WDS-ID: 19305-3149 WDS designation
Discoverer Code: B972 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.8 Magnitude of the primary
V2: 9.8 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2017 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: Tok2018b Reference

Double Star Orbit for B972



WDS 6th Orbit including measures of B972

-- 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 B972
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.099   165.22
--------------------------
1919.60    0.208    79.31
1920.60    0.208    78.76
1921.60    0.208    78.22
1922.60    0.207    77.67
1923.60    0.207    77.12
1924.60    0.207    76.57
1925.60    0.206    76.01
1926.60    0.206    75.46
1927.60    0.206    74.90
1928.60    0.205    74.34
1929.60    0.205    73.78
1930.60    0.204    73.22
1931.60    0.204    72.65
1932.60    0.203    72.08
1933.60    0.203    71.51
1934.60    0.202    70.93
1935.60    0.202    70.35
1936.60    0.201    69.77
1937.60    0.200    69.18
1938.60    0.200    68.59
1939.60    0.199    68.00
1940.60    0.198    67.40
1941.60    0.198    66.80
1942.60    0.197    66.19
1943.60    0.196    65.58
1944.60    0.195    64.97
1945.60    0.194    64.34
1946.60    0.194    63.72
1947.60    0.193    63.09
1948.60    0.192    62.45
1949.60    0.191    61.80
1950.60    0.190    61.15
1951.60    0.189    60.49
1952.60    0.188    59.83
1953.60    0.187    59.15
1954.60    0.186    58.47
1955.60    0.185    57.78
1956.60    0.183    57.09
1957.60    0.182    56.38
1958.60    0.181    55.66
1959.60    0.180    54.94
1960.60    0.178    54.20
1961.60    0.177    53.45
1962.60    0.176    52.69
1963.60    0.174    51.92
1964.60    0.173    51.14
1965.60    0.171    50.34
1966.60    0.170    49.53
1967.60    0.168    48.70
1968.60    0.167    47.86
1969.60    0.165    47.00
1970.60    0.163    46.12
1971.60    0.161    45.23
1972.60    0.160    44.31
1973.60    0.158    43.38
1974.60    0.156    42.42
1975.60    0.154    41.43
1976.60    0.152    40.42
1977.60    0.150    39.39
1978.60    0.148    38.32
1979.60    0.146    37.22
1980.60    0.143    36.09
1981.60    0.141    34.93
1982.60    0.139    33.72
1983.60    0.136    32.47
1984.60    0.134    31.17
1985.60    0.131    29.82
1986.60    0.128    28.42
1987.60    0.126    26.96
1988.60    0.123    25.43
1989.60    0.120    23.82
1990.60    0.117    22.13
1991.60    0.114    20.35
1992.60    0.110    18.47
1993.60    0.107    16.47
1994.60    0.103    14.33
1995.60    0.100    12.05
1996.60    0.096     9.58
1997.60    0.092     6.91
1998.60    0.088     4.00
1999.60    0.084     0.79
2000.60    0.079   357.24
2001.60    0.075   353.27
2002.60    0.070   348.78
2003.60    0.065   343.64
2004.60    0.061   337.68
2005.60    0.056   330.68
2006.60    0.051   322.38
2007.60    0.047   312.49
2008.60    0.043   300.78
2009.60    0.041   287.30
2010.60    0.040   272.59
2011.60    0.040   257.70
2012.60    0.042   243.74
2013.60    0.046   231.43
2014.60    0.049   220.92
2015.60    0.054   212.06
2016.60    0.058   204.57
2017.60    0.063   198.18
2018.60    0.068   192.65
2019.60    0.072   187.81
2020.60    0.076   183.53
2021.60    0.081   179.69
2022.60    0.085   176.22
2023.60    0.088   173.06
2024.60    0.092   170.16
2025.60    0.096   167.47
2026.60    0.099   164.98
2027.60    0.102   162.65
2028.60    0.106   160.46
2029.60    0.109   158.40
2030.60    0.112   156.46
2031.60    0.114   154.61
2032.60    0.117   152.85
2033.60    0.120   151.17
2034.60    0.123   149.56
2035.60    0.125   148.02
2036.60    0.128   146.55
2037.60    0.130   145.12
2038.60    0.132   143.75
2039.60    0.135   142.43
2040.60    0.137   141.15
2041.60    0.139   139.90
2042.60    0.141   138.70
2043.60    0.143   137.53
2044.60    0.145   136.40
2045.60    0.147   135.29
2046.60    0.149   134.22
2047.60    0.151   133.17
2048.60    0.153   132.15
2049.60    0.155   131.15
2050.60    0.156   130.17
2051.60    0.158   129.21
2052.60    0.160   128.28
2053.60    0.161   127.36
2054.60    0.163   126.46
2055.60    0.164   125.58
2056.60    0.166   124.72
2057.60    0.167   123.87
2058.60    0.169   123.03
2059.60    0.170   122.21
2060.60    0.172   121.40
2061.60    0.173   120.61
2062.60    0.174   119.82
2063.60    0.176   119.05
2064.60    0.177   118.29
2065.60    0.178   117.54
2066.60    0.179   116.80
2067.60    0.180   116.07
2068.60    0.182   115.35
2069.60    0.183   114.64
2070.60    0.184   113.94
2071.60    0.185   113.25
2072.60    0.186   112.56
2073.60    0.187   111.88
2074.60    0.188   111.21
2075.60    0.189   110.54
2076.60    0.190   109.89
2077.60    0.191   109.23
2078.60    0.192   108.59
2079.60    0.193   107.95
2080.60    0.193   107.31
2081.60    0.194   106.69
2082.60    0.195   106.06
2083.60    0.196   105.44
2084.60    0.197   104.83
2085.60    0.197   104.22
2086.60    0.198   103.62
2087.60    0.199   103.02
2088.60    0.199   102.42
2089.60    0.200   101.83
2090.60    0.201   101.24
2091.60    0.201   100.65
2092.60    0.202   100.07
2093.60    0.202    99.49
2094.60    0.203    98.92
2095.60    0.203    98.34
2096.60    0.204    97.77
2097.60    0.204    97.21
2098.60    0.205    96.64
2099.60    0.205    96.08
2100.60    0.206    95.52
2101.60    0.206    94.96
2102.60    0.206    94.41
2103.60    0.207    93.85
2104.60    0.207    93.30
2105.60    0.207    92.75
2106.60    0.208    92.20
2107.60    0.208    91.65
2108.60    0.208    91.11
2109.60    0.208    90.56
2110.60    0.208    90.02
2111.60    0.209    89.47
2112.60    0.209    88.93
2113.60    0.209    88.39
2114.60    0.209    87.85
2115.60    0.209    87.31
2116.60    0.209    86.77
2117.60    0.209    86.23
2118.60    0.209    85.69
2119.60    0.209    85.15
2120.60    0.209    84.61
2121.60    0.209    84.07
2122.60    0.209    83.54
2123.60    0.209    83.00
2124.60    0.209    82.46
2125.60    0.209    81.92
2126.60    0.209    81.37
2127.60    0.209    80.83
2128.60    0.208    80.29
2129.60    0.208    79.75






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 18:04:50



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