Double Star Calculator - Orbit

Orbital Elements for VBS26AB
WDS: VBS26AB WDS ID/Discoverer
P: 195.000 Orbital period (years)
a: 0.24 Semi-major axis (arcseconds)
i: 134.3 Inclination (degrees)
Ω: 24.2 Longitude of ascending node (degrees)
T: 2017.100 Epoch of periastron passage (year)
e: 0.47 Eccentricity
ω: 61.4 Longitude of periastron (degrees)
Start-Year: 1927.5 Year
End-Year: 2122.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for VBS26AB
Position: 162332.23+332127.8 Epoch-2000 right ascension and declination
WDS-ID: 16235+3321 WDS designation
Discoverer Code: VBS26AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.6 Magnitude of the primary
V2: 9.7 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1997 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: USN2002 Reference

Double Star Orbit for VBS26AB



WDS 6th Orbit including measures of VBS26AB

-- 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 VBS26AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.107   264.74
--------------------------
1927.50    0.264   145.02
1928.50    0.262   144.08
1929.50    0.261   143.12
1930.50    0.259   142.15
1931.50    0.258   141.16
1932.50    0.256   140.17
1933.50    0.255   139.17
1934.50    0.253   138.15
1935.50    0.252   137.12
1936.50    0.250   136.08
1937.50    0.248   135.02
1938.50    0.247   133.95
1939.50    0.245   132.87
1940.50    0.244   131.78
1941.50    0.242   130.67
1942.50    0.241   129.54
1943.50    0.239   128.41
1944.50    0.238   127.25
1945.50    0.236   126.08
1946.50    0.235   124.90
1947.50    0.233   123.70
1948.50    0.232   122.49
1949.50    0.230   121.26
1950.50    0.229   120.02
1951.50    0.227   118.76
1952.50    0.226   117.48
1953.50    0.224   116.19
1954.50    0.223   114.88
1955.50    0.222   113.55
1956.50    0.220   112.21
1957.50    0.219   110.85
1958.50    0.218   109.47
1959.50    0.216   108.08
1960.50    0.215   106.67
1961.50    0.214   105.25
1962.50    0.213   103.81
1963.50    0.211   102.35
1964.50    0.210   100.88
1965.50    0.209    99.39
1966.50    0.208    97.88
1967.50    0.207    96.36
1968.50    0.206    94.82
1969.50    0.205    93.26
1970.50    0.204    91.69
1971.50    0.203    90.11
1972.50    0.202    88.51
1973.50    0.201    86.89
1974.50    0.200    85.26
1975.50    0.199    83.61
1976.50    0.198    81.95
1977.50    0.197    80.27
1978.50    0.196    78.58
1979.50    0.195    76.87
1980.50    0.195    75.15
1981.50    0.194    73.41
1982.50    0.193    71.66
1983.50    0.192    69.88
1984.50    0.191    68.09
1985.50    0.190    66.29
1986.50    0.189    64.46
1987.50    0.188    62.62
1988.50    0.187    60.75
1989.50    0.186    58.86
1990.50    0.185    56.95
1991.50    0.183    55.02
1992.50    0.182    53.05
1993.50    0.181    51.06
1994.50    0.179    49.03
1995.50    0.177    46.96
1996.50    0.176    44.86
1997.50    0.174    42.70
1998.50    0.171    40.50
1999.50    0.169    38.24
2000.50    0.167    35.92
2001.50    0.164    33.52
2002.50    0.161    31.04
2003.50    0.158    28.47
2004.50    0.155    25.78
2005.50    0.151    22.98
2006.50    0.147    20.03
2007.50    0.143    16.92
2008.50    0.139    13.62
2009.50    0.134    10.11
2010.50    0.130     6.34
2011.50    0.125     2.28
2012.50    0.120   357.88
2013.50    0.115   353.11
2014.50    0.110   347.92
2015.50    0.105   342.26
2016.50    0.101   336.11
2017.50    0.098   329.46
2018.50    0.095   322.36
2019.50    0.093   314.87
2020.50    0.092   307.14
2021.50    0.092   299.34
2022.50    0.093   291.64
2023.50    0.095   284.22
2024.50    0.098   277.21
2025.50    0.102   270.71
2026.50    0.107   264.74
2027.50    0.112   259.30
2028.50    0.118   254.37
2029.50    0.124   249.90
2030.50    0.130   245.85
2031.50    0.137   242.17
2032.50    0.143   238.81
2033.50    0.149   235.74
2034.50    0.156   232.92
2035.50    0.162   230.32
2036.50    0.168   227.91
2037.50    0.174   225.67
2038.50    0.180   223.57
2039.50    0.185   221.61
2040.50    0.191   219.76
2041.50    0.196   218.01
2042.50    0.202   216.36
2043.50    0.207   214.78
2044.50    0.211   213.28
2045.50    0.216   211.85
2046.50    0.221   210.47
2047.50    0.225   209.16
2048.50    0.229   207.88
2049.50    0.233   206.66
2050.50    0.237   205.47
2051.50    0.241   204.33
2052.50    0.244   203.21
2053.50    0.248   202.13
2054.50    0.251   201.08
2055.50    0.254   200.05
2056.50    0.257   199.05
2057.50    0.260   198.07
2058.50    0.263   197.11
2059.50    0.265   196.17
2060.50    0.268   195.24
2061.50    0.270   194.34
2062.50    0.272   193.45
2063.50    0.274   192.57
2064.50    0.276   191.70
2065.50    0.278   190.85
2066.50    0.280   190.01
2067.50    0.282   189.18
2068.50    0.283   188.35
2069.50    0.284   187.54
2070.50    0.286   186.73
2071.50    0.287   185.93
2072.50    0.288   185.14
2073.50    0.289   184.35
2074.50    0.290   183.57
2075.50    0.291   182.80
2076.50    0.292   182.03
2077.50    0.292   181.26
2078.50    0.293   180.49
2079.50    0.294   179.73
2080.50    0.294   178.97
2081.50    0.294   178.21
2082.50    0.295   177.46
2083.50    0.295   176.70
2084.50    0.295   175.95
2085.50    0.295   175.20
2086.50    0.295   174.45
2087.50    0.295   173.70
2088.50    0.295   172.94
2089.50    0.295   172.19
2090.50    0.295   171.43
2091.50    0.294   170.68
2092.50    0.294   169.92
2093.50    0.294   169.16
2094.50    0.293   168.40
2095.50    0.293   167.64
2096.50    0.292   166.87
2097.50    0.291   166.10
2098.50    0.291   165.33
2099.50    0.290   164.55
2100.50    0.289   163.77
2101.50    0.289   162.98
2102.50    0.288   162.19
2103.50    0.287   161.40
2104.50    0.286   160.60
2105.50    0.285   159.79
2106.50    0.284   158.98
2107.50    0.283   158.17
2108.50    0.282   157.35
2109.50    0.281   156.52
2110.50    0.279   155.68
2111.50    0.278   154.84
2112.50    0.277   153.99
2113.50    0.276   153.13
2114.50    0.275   152.26
2115.50    0.273   151.39
2116.50    0.272   150.51
2117.50    0.271   149.62
2118.50    0.269   148.72
2119.50    0.268   147.81
2120.50    0.266   146.89
2121.50    0.265   145.96






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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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Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 17:26:02



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