Double Star Calculator - Orbit

Orbital Elements for HO260
WDS: HO260 WDS ID/Discoverer
P: 267.134 Orbital period (years)
a: 1.72421 Semi-major axis (arcseconds)
i: 72.305 Inclination (degrees)
Ω: 115.462 Longitude of ascending node (degrees)
T: 1881.877 Epoch of periastron passage (year)
e: 0.681 Eccentricity
ω: 119.935 Longitude of periastron (degrees)
Start-Year: 1891.43305 Year
End-Year: 2158.56695 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HO260
Position: 132332.82+291415.0 Epoch-2000 right ascension and declination
WDS-ID: 13235+2914 WDS designation
Discoverer Code: HO260 Discover designation and components
ADS number: 8887 Aitken Double Star catalog
HD number: 116495 HD catalog number
Hipparcos number: 65343 Hipparcos catalog number
V1: 9.60 Magnitude of the primary
V2: 9.94 Magnitude of the secondary
Equinox: Equinox
Date: 2015 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: Izm2019 Reference

Double Star Orbit for HO260



WDS 6th Orbit including measures of HO260

-- 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 HO260
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.762    91.05
--------------------------
1891.43    0.752   299.38
1892.43    0.772   300.91
1893.43    0.789   302.37
1894.43    0.802   303.78
1895.43    0.812   305.15
1896.43    0.820   306.49
1897.43    0.825   307.81
1898.43    0.829   309.11
1899.43    0.830   310.41
1900.43    0.831   311.70
1901.43    0.830   313.00
1902.43    0.827   314.29
1903.43    0.824   315.60
1904.43    0.820   316.92
1905.43    0.815   318.25
1906.43    0.810   319.61
1907.43    0.804   320.98
1908.43    0.797   322.37
1909.43    0.790   323.78
1910.43    0.783   325.22
1911.43    0.776   326.69
1912.43    0.768   328.19
1913.43    0.760   329.72
1914.43    0.753   331.27
1915.43    0.745   332.86
1916.43    0.737   334.49
1917.43    0.730   336.14
1918.43    0.723   337.84
1919.43    0.715   339.56
1920.43    0.709   341.32
1921.43    0.702   343.11
1922.43    0.696   344.94
1923.43    0.690   346.80
1924.43    0.685   348.68
1925.43    0.680   350.60
1926.43    0.675   352.55
1927.43    0.671   354.51
1928.43    0.668   356.50
1929.43    0.665   358.51
1930.43    0.662     0.54
1931.43    0.661     2.58
1932.43    0.660     4.62
1933.43    0.659     6.67
1934.43    0.659     8.73
1935.43    0.660    10.77
1936.43    0.662    12.82
1937.43    0.664    14.85
1938.43    0.666    16.87
1939.43    0.670    18.86
1940.43    0.674    20.84
1941.43    0.678    22.79
1942.43    0.683    24.72
1943.43    0.689    26.61
1944.43    0.696    28.47
1945.43    0.703    30.29
1946.43    0.710    32.08
1947.43    0.718    33.83
1948.43    0.726    35.54
1949.43    0.735    37.21
1950.43    0.745    38.84
1951.43    0.755    40.43
1952.43    0.765    41.97
1953.43    0.775    43.48
1954.43    0.786    44.94
1955.43    0.798    46.36
1956.43    0.809    47.74
1957.43    0.821    49.08
1958.43    0.834    50.39
1959.43    0.846    51.65
1960.43    0.859    52.88
1961.43    0.872    54.07
1962.43    0.885    55.23
1963.43    0.898    56.35
1964.43    0.912    57.43
1965.43    0.926    58.49
1966.43    0.940    59.52
1967.43    0.954    60.51
1968.43    0.968    61.48
1969.43    0.982    62.41
1970.43    0.997    63.32
1971.43    1.011    64.21
1972.43    1.026    65.07
1973.43    1.041    65.90
1974.43    1.055    66.72
1975.43    1.070    67.50
1976.43    1.085    68.27
1977.43    1.100    69.02
1978.43    1.115    69.75
1979.43    1.130    70.46
1980.43    1.145    71.14
1981.43    1.160    71.82
1982.43    1.175    72.47
1983.43    1.190    73.11
1984.43    1.205    73.73
1985.43    1.219    74.34
1986.43    1.234    74.93
1987.43    1.249    75.51
1988.43    1.264    76.07
1989.43    1.279    76.63
1990.43    1.294    77.16
1991.43    1.308    77.69
1992.43    1.323    78.21
1993.43    1.337    78.71
1994.43    1.352    79.20
1995.43    1.366    79.69
1996.43    1.381    80.16
1997.43    1.395    80.62
1998.43    1.409    81.08
1999.43    1.423    81.52
2000.43    1.437    81.96
2001.43    1.451    82.38
2002.43    1.465    82.80
2003.43    1.479    83.22
2004.43    1.493    83.62
2005.43    1.506    84.02
2006.43    1.520    84.41
2007.43    1.533    84.79
2008.43    1.546    85.16
2009.43    1.559    85.53
2010.43    1.572    85.90
2011.43    1.585    86.26
2012.43    1.598    86.61
2013.43    1.610    86.95
2014.43    1.623    87.30
2015.43    1.635    87.63
2016.43    1.648    87.96
2017.43    1.660    88.29
2018.43    1.672    88.61
2019.43    1.683    88.93
2020.43    1.695    89.24
2021.43    1.707    89.55
2022.43    1.718    89.85
2023.43    1.729    90.15
2024.43    1.740    90.45
2025.43    1.751    90.74
2026.43    1.762    91.03
2027.43    1.772    91.32
2028.43    1.783    91.60
2029.43    1.793    91.88
2030.43    1.803    92.15
2031.43    1.813    92.43
2032.43    1.823    92.70
2033.43    1.832    92.96
2034.43    1.841    93.23
2035.43    1.851    93.49
2036.43    1.860    93.75
2037.43    1.868    94.00
2038.43    1.877    94.26
2039.43    1.885    94.51
2040.43    1.894    94.76
2041.43    1.902    95.01
2042.43    1.909    95.25
2043.43    1.917    95.50
2044.43    1.924    95.74
2045.43    1.931    95.98
2046.43    1.938    96.22
2047.43    1.945    96.45
2048.43    1.952    96.69
2049.43    1.958    96.92
2050.43    1.964    97.15
2051.43    1.970    97.38
2052.43    1.975    97.61
2053.43    1.980    97.84
2054.43    1.986    98.07
2055.43    1.990    98.29
2056.43    1.995    98.52
2057.43    1.999    98.74
2058.43    2.003    98.96
2059.43    2.007    99.19
2060.43    2.011    99.41
2061.43    2.014    99.63
2062.43    2.017    99.85
2063.43    2.019   100.07
2064.43    2.022   100.28
2065.43    2.024   100.50
2066.43    2.026   100.72
2067.43    2.027   100.94
2068.43    2.029   101.15
2069.43    2.029   101.37
2070.43    2.030   101.59
2071.43    2.030   101.80
2072.43    2.030   102.02
2073.43    2.030   102.24
2074.43    2.029   102.45
2075.43    2.028   102.67
2076.43    2.026   102.89
2077.43    2.025   103.10
2078.43    2.023   103.32
2079.43    2.020   103.54
2080.43    2.017   103.76
2081.43    2.014   103.98
2082.43    2.010   104.20
2083.43    2.006   104.42
2084.43    2.001   104.64
2085.43    1.996   104.86
2086.43    1.991   105.09
2087.43    1.985   105.31
2088.43    1.979   105.54
2089.43    1.972   105.77
2090.43    1.965   106.00
2091.43    1.957   106.23
2092.43    1.949   106.47
2093.43    1.940   106.70
2094.43    1.931   106.94
2095.43    1.921   107.18
2096.43    1.911   107.42
2097.43    1.900   107.67
2098.43    1.889   107.92
2099.43    1.877   108.17
2100.43    1.864   108.42
2101.43    1.851   108.68
2102.43    1.837   108.94
2103.43    1.822   109.21
2104.43    1.807   109.48
2105.43    1.791   109.76
2106.43    1.774   110.04
2107.43    1.757   110.32
2108.43    1.739   110.62
2109.43    1.719   110.91
2110.43    1.700   111.22
2111.43    1.679   111.53
2112.43    1.657   111.85
2113.43    1.635   112.18
2114.43    1.611   112.52
2115.43    1.587   112.87
2116.43    1.561   113.23
2117.43    1.535   113.60
2118.43    1.507   113.99
2119.43    1.478   114.39
2120.43    1.448   114.80
2121.43    1.417   115.24
2122.43    1.384   115.69
2123.43    1.350   116.17
2124.43    1.314   116.67
2125.43    1.277   117.20
2126.43    1.239   117.77
2127.43    1.198   118.37
2128.43    1.156   119.01
2129.43    1.112   119.70
2130.43    1.066   120.46
2131.43    1.018   121.28
2132.43    0.968   122.18
2133.43    0.916   123.18
2134.43    0.862   124.31
2135.43    0.804   125.60
2136.43    0.745   127.09
2137.43    0.683   128.84
2138.43    0.618   130.95
2139.43    0.552   133.56
2140.43    0.483   136.91
2141.43    0.413   141.37
2142.43    0.343   147.67
2143.43    0.276   157.10
2144.43    0.218   172.02
2145.43    0.182   195.05
2146.43    0.181   223.19
2147.43    0.217   246.42
2148.43    0.274   261.56
2149.43    0.338   271.23
2150.43    0.403   277.77
2151.43    0.465   282.52
2152.43    0.523   286.18
2153.43    0.575   289.15
2154.43    0.621   291.64
2155.43    0.661   293.82
2156.43    0.695   295.76
2157.43    0.725   297.52
2158.43    0.749   299.16






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 16:55:46



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