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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:56:29

Orbital Elements for HO44
WDS: HO44 WDS ID/Discoverer
P: 256.040 Orbital period (years)
a: 0.433 Semi-major axis (arcseconds)
i: 143.6 Inclination (degrees)
Ω: 65.2 Longitude of ascending node (degrees)
T: 1942.680 Epoch of periastron passage (year)
e: 0.984 Eccentricity
ω: 52.7 Longitude of periastron (degrees)
Start-Year: 1897.0 Year
End-Year: 2153.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HO44
Position: 101201.24-061210.3 Epoch-2000 right ascension and declination
WDS-ID: 10120-0612 WDS designation
Discoverer Code: HO44 Discover designation and components
ADS number: 7675 Aitken Double Star catalog
HD number: 88478 HD catalog number
Hipparcos number: 49961 Hipparcos catalog number
V1: 8.53 Magnitude of the primary
V2: 8.93 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2004 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HO44



WDS 6th Orbit including measures of HO44

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


Ephemeris of HO44
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.704    201.8
-------------------------
1897.0     0.529    191.7
1898.0     0.523    191.6
1899.0     0.517    191.4
1900.0     0.510    191.3
1901.0     0.504    191.1
1902.0     0.497    191.0
1903.0     0.491    190.8
1904.0     0.484    190.7
1905.0     0.477    190.5
1906.0     0.470    190.3
1907.0     0.463    190.2
1908.0     0.456    190.0
1909.0     0.448    189.8
1910.0     0.441    189.6
1911.0     0.433    189.4
1912.0     0.425    189.2
1913.0     0.417    189.0
1914.0     0.409    188.8
1915.0     0.401    188.5
1916.0     0.392    188.3
1917.0     0.384    188.1
1918.0     0.375    187.8
1919.0     0.365    187.5
1920.0     0.356    187.2
1921.0     0.347    186.9
1922.0     0.337    186.6
1923.0     0.327    186.2
1924.0     0.316    185.9
1925.0     0.306    185.5
1926.0     0.295    185.1
1927.0     0.284    184.6
1928.0     0.272    184.1
1929.0     0.260    183.6
1930.0     0.248    183.0
1931.0     0.235    182.4
1932.0     0.222    181.6
1933.0     0.208    180.8
1934.0     0.193    179.9
1935.0     0.178    178.8
1936.0     0.162    177.5
1937.0     0.146    175.9
1938.0     0.127    173.8
1939.0     0.108    171.1
1940.0     0.087    167.1
1941.0     0.062    160.1
1942.0     0.033    142.1
1943.0     0.023    255.8
1944.0     0.064    232.2
1945.0     0.094    226.0
1946.0     0.119    222.7
1947.0     0.141    220.4
1948.0     0.161    218.7
1949.0     0.179    217.4
1950.0     0.197    216.4
1951.0     0.213    215.5
1952.0     0.228    214.7
1953.0     0.243    214.0
1954.0     0.257    213.4
1955.0     0.270    212.8
1956.0     0.283    212.4
1957.0     0.295    211.9
1958.0     0.307    211.5
1959.0     0.319    211.1
1960.0     0.330    210.7
1961.0     0.341    210.4
1962.0     0.352    210.1
1963.0     0.362    209.8
1964.0     0.372    209.5
1965.0     0.382    209.2
1966.0     0.391    209.0
1967.0     0.401    208.8
1968.0     0.410    208.5
1969.0     0.418    208.3
1970.0     0.427    208.1
1971.0     0.435    207.9
1972.0     0.443    207.7
1973.0     0.452    207.5
1974.0     0.459    207.3
1975.0     0.467    207.1
1976.0     0.475    207.0
1977.0     0.482    206.8
1978.0     0.489    206.6
1979.0     0.496    206.5
1980.0     0.503    206.3
1981.0     0.510    206.2
1982.0     0.516    206.0
1983.0     0.523    205.9
1984.0     0.529    205.8
1985.0     0.535    205.6
1986.0     0.541    205.5
1987.0     0.547    205.4
1988.0     0.553    205.3
1989.0     0.559    205.1
1990.0     0.565    205.0
1991.0     0.570    204.9
1992.0     0.576    204.8
1993.0     0.581    204.7
1994.0     0.586    204.6
1995.0     0.591    204.4
1996.0     0.596    204.3
1997.0     0.601    204.2
1998.0     0.606    204.1
1999.0     0.611    204.0
2000.0     0.615    203.9
2001.0     0.620    203.8
2002.0     0.624    203.7
2003.0     0.629    203.6
2004.0     0.633    203.5
2005.0     0.637    203.4
2006.0     0.641    203.4
2007.0     0.645    203.3
2008.0     0.649    203.2
2009.0     0.653    203.1
2010.0     0.657    203.0
2011.0     0.660    202.9
2012.0     0.664    202.8
2013.0     0.667    202.7
2014.0     0.671    202.7
2015.0     0.674    202.6
2016.0     0.678    202.5
2017.0     0.681    202.4
2018.0     0.684    202.3
2019.0     0.687    202.2
2020.0     0.690    202.2
2021.0     0.693    202.1
2022.0     0.696    202.0
2023.0     0.699    201.9
2024.0     0.701    201.9
2025.0     0.704    201.8
2026.0     0.706    201.7
2027.0     0.709    201.6
2028.0     0.711    201.5
2029.0     0.714    201.5
2030.0     0.716    201.4
2031.0     0.718    201.3
2032.0     0.720    201.3
2033.0     0.723    201.2
2034.0     0.725    201.1
2035.0     0.727    201.0
2036.0     0.729    201.0
2037.0     0.730    200.9
2038.0     0.732    200.8
2039.0     0.734    200.8
2040.0     0.736    200.7
2041.0     0.737    200.6
2042.0     0.739    200.5
2043.0     0.740    200.5
2044.0     0.742    200.4
2045.0     0.743    200.3
2046.0     0.744    200.3
2047.0     0.745    200.2
2048.0     0.747    200.1
2049.0     0.748    200.1
2050.0     0.749    200.0
2051.0     0.750    199.9
2052.0     0.751    199.9
2053.0     0.752    199.8
2054.0     0.752    199.7
2055.0     0.753    199.7
2056.0     0.754    199.6
2057.0     0.754    199.5
2058.0     0.755    199.5
2059.0     0.756    199.4
2060.0     0.756    199.3
2061.0     0.756    199.3
2062.0     0.757    199.2
2063.0     0.757    199.1
2064.0     0.757    199.1
2065.0     0.757    199.0
2066.0     0.758    198.9
2067.0     0.758    198.9
2068.0     0.758    198.8
2069.0     0.758    198.7
2070.0     0.757    198.7
2071.0     0.757    198.6
2072.0     0.757    198.5
2073.0     0.757    198.5
2074.0     0.756    198.4
2075.0     0.756    198.3
2076.0     0.756    198.3
2077.0     0.755    198.2
2078.0     0.754    198.1
2079.0     0.754    198.1
2080.0     0.753    198.0
2081.0     0.752    197.9
2082.0     0.752    197.9
2083.0     0.751    197.8
2084.0     0.750    197.7
2085.0     0.749    197.7
2086.0     0.748    197.6
2087.0     0.747    197.5
2088.0     0.746    197.5
2089.0     0.744    197.4
2090.0     0.743    197.3
2091.0     0.742    197.3
2092.0     0.740    197.2
2093.0     0.739    197.1
2094.0     0.737    197.1
2095.0     0.736    197.0
2096.0     0.734    196.9
2097.0     0.733    196.8
2098.0     0.731    196.8
2099.0     0.729    196.7
2100.0     0.727    196.6
2101.0     0.725    196.6
2102.0     0.723    196.5
2103.0     0.721    196.4
2104.0     0.719    196.3
2105.0     0.717    196.3
2106.0     0.715    196.2
2107.0     0.712    196.1
2108.0     0.710    196.0
2109.0     0.708    196.0
2110.0     0.705    195.9
2111.0     0.702    195.8
2112.0     0.700    195.7
2113.0     0.697    195.7
2114.0     0.694    195.6
2115.0     0.692    195.5
2116.0     0.689    195.4
2117.0     0.686    195.4
2118.0     0.683    195.3
2119.0     0.680    195.2
2120.0     0.677    195.1
2121.0     0.673    195.0
2122.0     0.670    194.9
2123.0     0.667    194.9
2124.0     0.663    194.8
2125.0     0.660    194.7
2126.0     0.656    194.6
2127.0     0.653    194.5
2128.0     0.649    194.4
2129.0     0.645    194.3
2130.0     0.641    194.2
2131.0     0.637    194.1
2132.0     0.633    194.1
2133.0     0.629    194.0
2134.0     0.625    193.9
2135.0     0.621    193.8
2136.0     0.616    193.7
2137.0     0.612    193.6
2138.0     0.607    193.5
2139.0     0.603    193.4
2140.0     0.598    193.3
2141.0     0.593    193.1
2142.0     0.589    193.0
2143.0     0.584    192.9
2144.0     0.579    192.8
2145.0     0.573    192.7
2146.0     0.568    192.6
2147.0     0.563    192.5
2148.0     0.558    192.3
2149.0     0.552    192.2
2150.0     0.546    192.1
2151.0     0.541    192.0
2152.0     0.535    191.8






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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