Double Star Calculator - Orbit

Orbital Elements for B1313
WDS: B1313 WDS ID/Discoverer
P: 150.000 Orbital period (years)
a: 0.234 Semi-major axis (arcseconds)
i: 78.2 Inclination (degrees)
Ω: 151.2 Longitude of ascending node (degrees)
T: 2033.830 Epoch of periastron passage (year)
e: 0.464 Eccentricity
ω: 193.2 Longitude of periastron (degrees)
Start-Year: 1950.0 Year
End-Year: 2100.0 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for B1313
Position: 160159.66-304224.6 Epoch-2000 right ascension and declination
WDS-ID: 16020-3042 WDS designation
Discoverer Code: B1313 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 143536 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.7 Magnitude of the primary
V2: 10.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2020 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: Tok2020g Reference

Double Star Orbit for B1313



WDS 6th Orbit including measures of B1313

-- 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 B1313
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.115   322.52
--------------------------
1950.00    0.338   152.10
1951.00    0.338   152.31
1952.00    0.338   152.51
1953.00    0.338   152.72
1954.00    0.338   152.93
1955.00    0.338   153.14
1956.00    0.337   153.35
1957.00    0.336   153.56
1958.00    0.335   153.77
1959.00    0.334   153.98
1960.00    0.332   154.20
1961.00    0.331   154.41
1962.00    0.329   154.63
1963.00    0.327   154.85
1964.00    0.325   155.08
1965.00    0.322   155.31
1966.00    0.320   155.54
1967.00    0.317   155.77
1968.00    0.314   156.01
1969.00    0.311   156.25
1970.00    0.308   156.50
1971.00    0.305   156.75
1972.00    0.301   157.01
1973.00    0.298   157.28
1974.00    0.294   157.55
1975.00    0.290   157.83
1976.00    0.285   158.12
1977.00    0.281   158.42
1978.00    0.276   158.72
1979.00    0.272   159.04
1980.00    0.267   159.37
1981.00    0.262   159.71
1982.00    0.256   160.06
1983.00    0.251   160.43
1984.00    0.245   160.82
1985.00    0.240   161.23
1986.00    0.234   161.65
1987.00    0.227   162.10
1988.00    0.221   162.57
1989.00    0.215   163.07
1990.00    0.208   163.61
1991.00    0.201   164.17
1992.00    0.195   164.78
1993.00    0.188   165.43
1994.00    0.180   166.14
1995.00    0.173   166.90
1996.00    0.166   167.73
1997.00    0.158   168.64
1998.00    0.150   169.64
1999.00    0.142   170.76
2000.00    0.134   172.00
2001.00    0.126   173.40
2002.00    0.118   174.99
2003.00    0.110   176.82
2004.00    0.102   178.94
2005.00    0.094   181.43
2006.00    0.086   184.39
2007.00    0.078   187.97
2008.00    0.070   192.35
2009.00    0.063   197.79
2010.00    0.056   204.60
2011.00    0.050   213.15
2012.00    0.045   223.68
2013.00    0.043   236.09
2014.00    0.042   249.59
2015.00    0.043   262.87
2016.00    0.047   274.73
2017.00    0.052   284.63
2018.00    0.058   292.62
2019.00    0.065   299.02
2020.00    0.072   304.16
2021.00    0.079   308.37
2022.00    0.086   311.86
2023.00    0.093   314.82
2024.00    0.100   317.36
2025.00    0.106   319.60
2026.00    0.112   321.59
2027.00    0.117   323.41
2028.00    0.121   325.09
2029.00    0.124   326.67
2030.00    0.126   328.18
2031.00    0.127   329.67
2032.00    0.127   331.15
2033.00    0.125   332.65
2034.00    0.122   334.22
2035.00    0.117   335.88
2036.00    0.112   337.70
2037.00    0.105   339.73
2038.00    0.097   342.06
2039.00    0.089   344.81
2040.00    0.080   348.17
2041.00    0.070   352.40
2042.00    0.061   357.95
2043.00    0.052     5.49
2044.00    0.044    16.06
2045.00    0.037    30.84
2046.00    0.034    49.94
2047.00    0.035    70.43
2048.00    0.040    87.98
2049.00    0.047   100.95
2050.00    0.056   110.13
2051.00    0.065   116.69
2052.00    0.075   121.53
2053.00    0.086   125.22
2054.00    0.096   128.11
2055.00    0.106   130.45
2056.00    0.116   132.38
2057.00    0.126   134.00
2058.00    0.136   135.39
2059.00    0.146   136.59
2060.00    0.155   137.65
2061.00    0.164   138.58
2062.00    0.173   139.42
2063.00    0.182   140.18
2064.00    0.190   140.87
2065.00    0.198   141.50
2066.00    0.206   142.08
2067.00    0.214   142.62
2068.00    0.221   143.13
2069.00    0.228   143.60
2070.00    0.235   144.04
2071.00    0.242   144.46
2072.00    0.248   144.86
2073.00    0.254   145.23
2074.00    0.260   145.59
2075.00    0.266   145.94
2076.00    0.272   146.27
2077.00    0.277   146.58
2078.00    0.282   146.89
2079.00    0.287   147.18
2080.00    0.291   147.47
2081.00    0.296   147.74
2082.00    0.300   148.01
2083.00    0.304   148.27
2084.00    0.307   148.53
2085.00    0.311   148.78
2086.00    0.314   149.02
2087.00    0.317   149.26
2088.00    0.320   149.49
2089.00    0.323   149.73
2090.00    0.325   149.95
2091.00    0.327   150.18
2092.00    0.329   150.40
2093.00    0.331   150.62
2094.00    0.333   150.83
2095.00    0.334   151.05
2096.00    0.335   151.26
2097.00    0.336   151.47
2098.00    0.337   151.68
2099.00    0.338   151.89



 

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 17:21:46


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