Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:17:28

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: 1892.0 Year
End-Year: 2158.0 Year
Epoch: 2025.0 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' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HO260



WDS 6th Orbit including measures of HO260

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of HO260
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.746     90.6
-------------------------
1892.0     0.764    300.3
1893.0     0.782    301.7
1894.0     0.796    303.2
1895.0     0.808    304.6
1896.0     0.817    305.9
1897.0     0.823    307.2
1898.0     0.827    308.6
1899.0     0.830    309.8
1900.0     0.831    311.1
1901.0     0.830    312.4
1902.0     0.828    313.7
1903.0     0.826    315.0
1904.0     0.822    316.3
1905.0     0.817    317.7
1906.0     0.812    319.0
1907.0     0.806    320.4
1908.0     0.800    321.8
1909.0     0.793    323.2
1910.0     0.786    324.6
1911.0     0.779    326.1
1912.0     0.771    327.5
1913.0     0.764    329.1
1914.0     0.756    330.6
1915.0     0.748    332.2
1916.0     0.741    333.8
1917.0     0.733    335.4
1918.0     0.726    337.1
1919.0     0.718    338.8
1920.0     0.711    340.6
1921.0     0.705    342.3
1922.0     0.698    344.1
1923.0     0.692    346.0
1924.0     0.687    347.9
1925.0     0.682    349.8
1926.0     0.677    351.7
1927.0     0.673    353.7
1928.0     0.669    355.6
1929.0     0.666    357.6
1930.0     0.663    359.7
1931.0     0.661      1.7
1932.0     0.660      3.7
1933.0     0.659      5.8
1934.0     0.659      7.8
1935.0     0.660      9.9
1936.0     0.661     11.9
1937.0     0.663     14.0
1938.0     0.665     16.0
1939.0     0.668     18.0
1940.0     0.672     20.0
1941.0     0.676     21.9
1942.0     0.681     23.9
1943.0     0.687     25.8
1944.0     0.693     27.7
1945.0     0.699     29.5
1946.0     0.707     31.3
1947.0     0.714     33.1
1948.0     0.723     34.8
1949.0     0.731     36.5
1950.0     0.741     38.1
1951.0     0.750     39.7
1952.0     0.760     41.3
1953.0     0.771     42.8
1954.0     0.782     44.3
1955.0     0.793     45.8
1956.0     0.804     47.1
1957.0     0.816     48.5
1958.0     0.828     49.8
1959.0     0.841     51.1
1960.0     0.853     52.4
1961.0     0.866     53.6
1962.0     0.879     54.7
1963.0     0.893     55.9
1964.0     0.906     57.0
1965.0     0.920     58.0
1966.0     0.934     59.1
1967.0     0.948     60.1
1968.0     0.962     61.1
1969.0     0.976     62.0
1970.0     0.991     62.9
1971.0     1.005     63.8
1972.0     1.020     64.7
1973.0     1.034     65.5
1974.0     1.049     66.4
1975.0     1.064     67.2
1976.0     1.079     67.9
1977.0     1.093     68.7
1978.0     1.108     69.4
1979.0     1.123     70.2
1980.0     1.138     70.8
1981.0     1.153     71.5
1982.0     1.168     72.2
1983.0     1.183     72.8
1984.0     1.198     73.5
1985.0     1.213     74.1
1986.0     1.228     74.7
1987.0     1.243     75.3
1988.0     1.258     75.8
1989.0     1.272     76.4
1990.0     1.287     76.9
1991.0     1.302     77.5
1992.0     1.316     78.0
1993.0     1.331     78.5
1994.0     1.346     79.0
1995.0     1.360     79.5
1996.0     1.374     80.0
1997.0     1.389     80.4
1998.0     1.403     80.9
1999.0     1.417     81.3
2000.0     1.431     81.8
2001.0     1.445     82.2
2002.0     1.459     82.6
2003.0     1.473     83.0
2004.0     1.487     83.4
2005.0     1.500     83.8
2006.0     1.514     84.2
2007.0     1.527     84.6
2008.0     1.540     85.0
2009.0     1.554     85.4
2010.0     1.567     85.7
2011.0     1.580     86.1
2012.0     1.592     86.5
2013.0     1.605     86.8
2014.0     1.618     87.1
2015.0     1.630     87.5
2016.0     1.642     87.8
2017.0     1.654     88.1
2018.0     1.666     88.5
2019.0     1.678     88.8
2020.0     1.690     89.1
2021.0     1.702     89.4
2022.0     1.713     89.7
2023.0     1.724     90.0
2024.0     1.735     90.3
2025.0     1.746     90.6
2026.0     1.757     90.9
2027.0     1.768     91.2
2028.0     1.778     91.5
2029.0     1.789     91.8
2030.0     1.799     92.0
2031.0     1.809     92.3
2032.0     1.818     92.6
2033.0     1.828     92.8
2034.0     1.837     93.1
2035.0     1.847     93.4
2036.0     1.856     93.6
2037.0     1.865     93.9
2038.0     1.873     94.1
2039.0     1.882     94.4
2040.0     1.890     94.7
2041.0     1.898     94.9
2042.0     1.906     95.1
2043.0     1.914     95.4
2044.0     1.921     95.6
2045.0     1.928     95.9
2046.0     1.935     96.1
2047.0     1.942     96.4
2048.0     1.949     96.6
2049.0     1.955     96.8
2050.0     1.961     97.1
2051.0     1.967     97.3
2052.0     1.973     97.5
2053.0     1.978     97.7
2054.0     1.983     98.0
2055.0     1.988     98.2
2056.0     1.993     98.4
2057.0     1.997     98.6
2058.0     2.002     98.9
2059.0     2.005     99.1
2060.0     2.009     99.3
2061.0     2.012     99.5
2062.0     2.016     99.8
2063.0     2.018    100.0
2064.0     2.021    100.2
2065.0     2.023    100.4
2066.0     2.025    100.6
2067.0     2.027    100.8
2068.0     2.028    101.1
2069.0     2.029    101.3
2070.0     2.030    101.5
2071.0     2.030    101.7
2072.0     2.030    101.9
2073.0     2.030    102.1
2074.0     2.029    102.4
2075.0     2.028    102.6
2076.0     2.027    102.8
2077.0     2.026    103.0
2078.0     2.023    103.2
2079.0     2.021    103.4
2080.0     2.018    103.7
2081.0     2.015    103.9
2082.0     2.012    104.1
2083.0     2.008    104.3
2084.0     2.003    104.5
2085.0     1.999    104.8
2086.0     1.993    105.0
2087.0     1.988    105.2
2088.0     1.982    105.4
2089.0     1.975    105.7
2090.0     1.968    105.9
2091.0     1.961    106.1
2092.0     1.953    106.4
2093.0     1.944    106.6
2094.0     1.935    106.8
2095.0     1.926    107.1
2096.0     1.916    107.3
2097.0     1.905    107.6
2098.0     1.894    107.8
2099.0     1.882    108.1
2100.0     1.870    108.3
2101.0     1.857    108.6
2102.0     1.843    108.8
2103.0     1.829    109.1
2104.0     1.814    109.4
2105.0     1.798    109.6
2106.0     1.782    109.9
2107.0     1.764    110.2
2108.0     1.747    110.5
2109.0     1.728    110.8
2110.0     1.708    111.1
2111.0     1.688    111.4
2112.0     1.667    111.7
2113.0     1.645    112.0
2114.0     1.622    112.4
2115.0     1.598    112.7
2116.0     1.572    113.1
2117.0     1.546    113.4
2118.0     1.519    113.8
2119.0     1.491    114.2
2120.0     1.461    114.6
2121.0     1.430    115.0
2122.0     1.398    115.5
2123.0     1.365    116.0
2124.0     1.330    116.5
2125.0     1.294    117.0
2126.0     1.256    117.5
2127.0     1.216    118.1
2128.0     1.175    118.7
2129.0     1.132    119.4
2130.0     1.087    120.1
2131.0     1.040    120.9
2132.0     0.990    121.8
2133.0     0.939    122.7
2134.0     0.885    123.8
2135.0     0.829    125.0
2136.0     0.771    126.4
2137.0     0.710    128.0
2138.0     0.647    130.0
2139.0     0.581    132.4
2140.0     0.513    135.3
2141.0     0.443    139.3
2142.0     0.373    144.7
2143.0     0.305    152.5
2144.0     0.242    164.7
2145.0     0.194    184.0
2146.0     0.176    211.0
2147.0     0.198    237.4
2148.0     0.248    255.9
2149.0     0.310    267.5
2150.0     0.375    275.2
2151.0     0.439    280.6
2152.0     0.498    284.7
2153.0     0.553    287.9
2154.0     0.601    290.6
2155.0     0.644    292.9
2156.0     0.681    294.9
2157.0     0.712    296.8






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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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