Double Star Calculator - Orbit

Orbital Elements for HO326
WDS: HO326 WDS ID/Discoverer
P: 158.180 Orbital period (years)
a: 0.643 Semi-major axis (arcseconds)
i: 72.7 Inclination (degrees)
Ω: 147.6 Longitude of ascending node (degrees)
T: 1880.920 Epoch of periastron passage (year)
e: 0.857 Eccentricity
ω: 271.6 Longitude of periastron (degrees)
Start-Year: 1945.91 Year
End-Year: 2104.09 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HO326
Position: 040908.56+283835.0 Epoch-2000 right ascension and declination
WDS-ID: 04091+2839 WDS designation
Discoverer Code: HO326 Discover designation and components
ADS number: 3021 Aitken Double Star catalog
HD number: 26126 HD catalog number
Hipparcos number: 19385 Hipparcos catalog number
V1: 9.07 Magnitude of the primary
V2: 9.15 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2003 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Hrt2008 Reference

Double Star Orbit for HO326



WDS 6th Orbit including measures of HO326

-- 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 HO326
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.353   308.37
--------------------------
1945.91    0.353   226.74
1946.91    0.353   227.90
1947.91    0.353   229.06
1948.91    0.353   230.21
1949.91    0.353   231.37
1950.91    0.353   232.52
1951.91    0.353   233.68
1952.91    0.354   234.83
1953.91    0.354   235.99
1954.91    0.354   237.14
1955.91    0.354   238.29
1956.91    0.355   239.43
1957.91    0.355   240.58
1958.91    0.356   241.72
1959.91    0.356   242.85
1960.91    0.357   243.99
1961.91    0.358   245.11
1962.91    0.358   246.24
1963.91    0.359   247.36
1964.91    0.360   248.47
1965.91    0.361   249.58
1966.91    0.362   250.69
1967.91    0.363   251.79
1968.91    0.364   252.88
1969.91    0.365   253.96
1970.91    0.366   255.04
1971.91    0.367   256.12
1972.91    0.368   257.19
1973.91    0.369   258.25
1974.91    0.371   259.30
1975.91    0.372   260.35
1976.91    0.373   261.39
1977.91    0.374   262.42
1978.91    0.376   263.44
1979.91    0.377   264.46
1980.91    0.378   265.47
1981.91    0.380   266.48
1982.91    0.381   267.48
1983.91    0.382   268.47
1984.91    0.384   269.45
1985.91    0.385   270.43
1986.91    0.386   271.40
1987.91    0.388   272.36
1988.91    0.389   273.32
1989.91    0.390   274.27
1990.91    0.391   275.21
1991.91    0.393   276.15
1992.91    0.394   277.08
1993.91    0.395   278.01
1994.91    0.396   278.93
1995.91    0.397   279.85
1996.91    0.398   280.76
1997.91    0.399   281.66
1998.91    0.400   282.57
1999.91    0.401   283.47
2000.91    0.402   284.36
2001.91    0.402   285.26
2002.91    0.403   286.15
2003.91    0.403   287.03
2004.91    0.404   287.92
2005.91    0.404   288.80
2006.91    0.404   289.69
2007.91    0.404   290.57
2008.91    0.404   291.46
2009.91    0.403   292.34
2010.91    0.403   293.23
2011.91    0.402   294.12
2012.91    0.401   295.02
2013.91    0.400   295.92
2014.91    0.398   296.82
2015.91    0.397   297.73
2016.91    0.395   298.66
2017.91    0.392   299.59
2018.91    0.390   300.53
2019.91    0.387   301.49
2020.91    0.383   302.46
2021.91    0.379   303.45
2022.91    0.375   304.47
2023.91    0.369   305.51
2024.91    0.364   306.58
2025.91    0.357   307.69
2026.91    0.350   308.85
2027.91    0.341   310.06
2028.91    0.332   311.33
2029.91    0.321   312.69
2030.91    0.308   314.15
2031.91    0.293   315.74
2032.91    0.276   317.53
2033.91    0.255   319.57
2034.91    0.230   322.03
2035.91    0.198   325.19
2036.91    0.156   329.81
2037.91    0.099   338.93
2038.91    0.031    28.93
2039.91    0.076   130.55
2040.91    0.138   143.82
2041.91    0.182   149.46
2042.91    0.215   153.10
2043.91    0.240   155.88
2044.91    0.261   158.18
2045.91    0.277   160.17
2046.91    0.291   161.96
2047.91    0.303   163.60
2048.91    0.313   165.12
2049.91    0.321   166.56
2050.91    0.329   167.92
2051.91    0.335   169.23
2052.91    0.341   170.49
2053.91    0.345   171.72
2054.91    0.350   172.91
2055.91    0.353   174.08
2056.91    0.357   175.22
2057.91    0.359   176.35
2058.91    0.362   177.46
2059.91    0.364   178.55
2060.91    0.366   179.64
2061.91    0.367   180.71
2062.91    0.368   181.78
2063.91    0.369   182.84
2064.91    0.370   183.90
2065.91    0.371   184.95
2066.91    0.371   186.00
2067.91    0.371   187.04
2068.91    0.371   188.09
2069.91    0.371   189.14
2070.91    0.371   190.18
2071.91    0.371   191.23
2072.91    0.371   192.28
2073.91    0.370   193.33
2074.91    0.370   194.38
2075.91    0.369   195.43
2076.91    0.369   196.49
2077.91    0.368   197.55
2078.91    0.368   198.62
2079.91    0.367   199.69
2080.91    0.366   200.76
2081.91    0.366   201.83
2082.91    0.365   202.92
2083.91    0.364   204.00
2084.91    0.363   205.09
2085.91    0.363   206.18
2086.91    0.362   207.28
2087.91    0.361   208.38
2088.91    0.361   209.49
2089.91    0.360   210.60
2090.91    0.359   211.72
2091.91    0.358   212.84
2092.91    0.358   213.96
2093.91    0.357   215.09
2094.91    0.357   216.22
2095.91    0.356   217.36
2096.91    0.356   218.50
2097.91    0.355   219.64
2098.91    0.355   220.78
2099.91    0.354   221.93
2100.91    0.354   223.08
2101.91    0.354   224.23
2102.91    0.354   225.38
2103.91    0.353   226.54






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 15:18:12



www.stella-vega.de