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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:25:38

Orbital Elements for DAW120
WDS: DAW120 WDS ID/Discoverer
P: 375.000 Orbital period (years)
a: 0.407 Semi-major axis (arcseconds)
i: 83.8 Inclination (degrees)
Ω: 84.8 Longitude of ascending node (degrees)
T: 2034.820 Epoch of periastron passage (year)
e: 0.27 Eccentricity
ω: 145.4 Longitude of periastron (degrees)
Start-Year: 1838.0 Year
End-Year: 2212.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for DAW120
Position: 062325.77-300100.4 Epoch-2000 right ascension and declination
WDS-ID: 06234-3001 WDS designation
Discoverer Code: DAW120 Discover designation and components
ADS number: 5019 Aitken Double Star catalog
HD number: 44970 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.2 Magnitude of the primary
V2: 9.4 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2019 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for DAW120



WDS 6th Orbit including measures of DAW120

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


Ephemeris of DAW120
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.188    257.1
-------------------------
1838.0     0.397     79.6
1839.0     0.401     79.7
1840.0     0.404     79.8
1841.0     0.407     79.9
1842.0     0.410     80.0
1843.0     0.414     80.1
1844.0     0.417     80.2
1845.0     0.420     80.3
1846.0     0.423     80.4
1847.0     0.426     80.5
1848.0     0.429     80.6
1849.0     0.431     80.7
1850.0     0.434     80.8
1851.0     0.437     80.9
1852.0     0.440     81.0
1853.0     0.442     81.0
1854.0     0.445     81.1
1855.0     0.447     81.2
1856.0     0.450     81.3
1857.0     0.452     81.4
1858.0     0.454     81.4
1859.0     0.456     81.5
1860.0     0.459     81.6
1861.0     0.461     81.7
1862.0     0.463     81.8
1863.0     0.465     81.8
1864.0     0.467     81.9
1865.0     0.468     82.0
1866.0     0.470     82.1
1867.0     0.472     82.1
1868.0     0.474     82.2
1869.0     0.475     82.3
1870.0     0.477     82.4
1871.0     0.478     82.4
1872.0     0.480     82.5
1873.0     0.481     82.6
1874.0     0.482     82.6
1875.0     0.483     82.7
1876.0     0.484     82.8
1877.0     0.485     82.9
1878.0     0.486     82.9
1879.0     0.487     83.0
1880.0     0.488     83.1
1881.0     0.489     83.1
1882.0     0.490     83.2
1883.0     0.490     83.3
1884.0     0.491     83.3
1885.0     0.491     83.4
1886.0     0.492     83.5
1887.0     0.492     83.6
1888.0     0.492     83.6
1889.0     0.493     83.7
1890.0     0.493     83.8
1891.0     0.493     83.8
1892.0     0.493     83.9
1893.0     0.493     84.0
1894.0     0.492     84.0
1895.0     0.492     84.1
1896.0     0.492     84.2
1897.0     0.491     84.2
1898.0     0.491     84.3
1899.0     0.490     84.4
1900.0     0.490     84.4
1901.0     0.489     84.5
1902.0     0.488     84.6
1903.0     0.487     84.6
1904.0     0.486     84.7
1905.0     0.485     84.8
1906.0     0.484     84.9
1907.0     0.483     84.9
1908.0     0.482     85.0
1909.0     0.480     85.1
1910.0     0.479     85.1
1911.0     0.477     85.2
1912.0     0.476     85.3
1913.0     0.474     85.4
1914.0     0.472     85.4
1915.0     0.471     85.5
1916.0     0.469     85.6
1917.0     0.467     85.7
1918.0     0.465     85.7
1919.0     0.462     85.8
1920.0     0.460     85.9
1921.0     0.458     86.0
1922.0     0.455     86.0
1923.0     0.453     86.1
1924.0     0.450     86.2
1925.0     0.448     86.3
1926.0     0.445     86.4
1927.0     0.442     86.5
1928.0     0.439     86.5
1929.0     0.436     86.6
1930.0     0.433     86.7
1931.0     0.430     86.8
1932.0     0.426     86.9
1933.0     0.423     87.0
1934.0     0.419     87.1
1935.0     0.416     87.2
1936.0     0.412     87.3
1937.0     0.409     87.4
1938.0     0.405     87.5
1939.0     0.401     87.6
1940.0     0.397     87.7
1941.0     0.393     87.8
1942.0     0.389     87.9
1943.0     0.384     88.0
1944.0     0.380     88.1
1945.0     0.375     88.2
1946.0     0.371     88.4
1947.0     0.366     88.5
1948.0     0.362     88.6
1949.0     0.357     88.7
1950.0     0.352     88.9
1951.0     0.347     89.0
1952.0     0.342     89.1
1953.0     0.337     89.3
1954.0     0.331     89.4
1955.0     0.326     89.6
1956.0     0.321     89.7
1957.0     0.315     89.9
1958.0     0.310     90.1
1959.0     0.304     90.2
1960.0     0.298     90.4
1961.0     0.292     90.6
1962.0     0.287     90.8
1963.0     0.281     91.0
1964.0     0.274     91.2
1965.0     0.268     91.5
1966.0     0.262     91.7
1967.0     0.256     91.9
1968.0     0.249     92.2
1969.0     0.243     92.5
1970.0     0.236     92.8
1971.0     0.230     93.1
1972.0     0.223     93.4
1973.0     0.216     93.7
1974.0     0.209     94.1
1975.0     0.202     94.5
1976.0     0.196     94.9
1977.0     0.189     95.4
1978.0     0.181     95.8
1979.0     0.174     96.4
1980.0     0.167     96.9
1981.0     0.160     97.5
1982.0     0.153     98.2
1983.0     0.145     99.0
1984.0     0.138     99.8
1985.0     0.131    100.7
1986.0     0.123    101.7
1987.0     0.116    102.9
1988.0     0.108    104.2
1989.0     0.101    105.7
1990.0     0.094    107.5
1991.0     0.086    109.5
1992.0     0.079    112.0
1993.0     0.072    114.9
1994.0     0.065    118.4
1995.0     0.059    122.7
1996.0     0.052    128.1
1997.0     0.047    134.9
1998.0     0.042    143.4
1999.0     0.038    153.8
2000.0     0.036    165.9
2001.0     0.035    179.1
2002.0     0.037    191.9
2003.0     0.040    203.3
2004.0     0.044    212.8
2005.0     0.049    220.5
2006.0     0.055    226.6
2007.0     0.062    231.4
2008.0     0.068    235.4
2009.0     0.075    238.6
2010.0     0.082    241.3
2011.0     0.090    243.5
2012.0     0.097    245.4
2013.0     0.104    247.1
2014.0     0.111    248.5
2015.0     0.119    249.7
2016.0     0.126    250.8
2017.0     0.133    251.8
2018.0     0.140    252.7
2019.0     0.147    253.5
2020.0     0.155    254.2
2021.0     0.161    254.9
2022.0     0.168    255.5
2023.0     0.175    256.1
2024.0     0.182    256.6
2025.0     0.188    257.1
2026.0     0.195    257.5
2027.0     0.201    257.9
2028.0     0.207    258.3
2029.0     0.213    258.7
2030.0     0.219    259.1
2031.0     0.225    259.4
2032.0     0.230    259.7
2033.0     0.236    260.0
2034.0     0.241    260.3
2035.0     0.246    260.6
2036.0     0.251    260.9
2037.0     0.256    261.1
2038.0     0.260    261.4
2039.0     0.265    261.6
2040.0     0.269    261.8
2041.0     0.273    262.1
2042.0     0.277    262.3
2043.0     0.280    262.5
2044.0     0.284    262.7
2045.0     0.287    262.9
2046.0     0.290    263.1
2047.0     0.293    263.3
2048.0     0.296    263.5
2049.0     0.298    263.7
2050.0     0.300    263.9
2051.0     0.302    264.0
2052.0     0.304    264.2
2053.0     0.306    264.4
2054.0     0.307    264.6
2055.0     0.308    264.7
2056.0     0.309    264.9
2057.0     0.310    265.1
2058.0     0.311    265.3
2059.0     0.311    265.4
2060.0     0.312    265.6
2061.0     0.312    265.8
2062.0     0.312    265.9
2063.0     0.311    266.1
2064.0     0.311    266.3
2065.0     0.310    266.5
2066.0     0.310    266.6
2067.0     0.309    266.8
2068.0     0.307    267.0
2069.0     0.306    267.2
2070.0     0.305    267.3
2071.0     0.303    267.5
2072.0     0.301    267.7
2073.0     0.299    267.9
2074.0     0.297    268.1
2075.0     0.295    268.3
2076.0     0.292    268.4
2077.0     0.290    268.6
2078.0     0.287    268.8
2079.0     0.285    269.0
2080.0     0.282    269.2
2081.0     0.279    269.5
2082.0     0.275    269.7
2083.0     0.272    269.9
2084.0     0.269    270.1
2085.0     0.265    270.4
2086.0     0.262    270.6
2087.0     0.258    270.8
2088.0     0.254    271.1
2089.0     0.250    271.3
2090.0     0.246    271.6
2091.0     0.242    271.9
2092.0     0.238    272.2
2093.0     0.234    272.5
2094.0     0.229    272.8
2095.0     0.225    273.1
2096.0     0.220    273.4
2097.0     0.216    273.8
2098.0     0.211    274.2
2099.0     0.206    274.5
2100.0     0.202    274.9
2101.0     0.197    275.3
2102.0     0.192    275.8
2103.0     0.187    276.2
2104.0     0.182    276.7
2105.0     0.177    277.2
2106.0     0.172    277.8
2107.0     0.167    278.4
2108.0     0.162    279.0
2109.0     0.156    279.6
2110.0     0.151    280.3
2111.0     0.146    281.1
2112.0     0.141    281.9
2113.0     0.136    282.8
2114.0     0.130    283.7
2115.0     0.125    284.7
2116.0     0.120    285.8
2117.0     0.115    287.0
2118.0     0.110    288.3
2119.0     0.104    289.8
2120.0     0.099    291.4
2121.0     0.094    293.1
2122.0     0.089    295.1
2123.0     0.084    297.3
2124.0     0.080    299.7
2125.0     0.075    302.5
2126.0     0.071    305.6
2127.0     0.066    309.2
2128.0     0.063    313.1
2129.0     0.059    317.6
2130.0     0.056    322.7
2131.0     0.053    328.3
2132.0     0.051    334.5
2133.0     0.049    341.1
2134.0     0.048    348.1
2135.0     0.048    355.2
2136.0     0.049      2.3
2137.0     0.050      9.1
2138.0     0.052     15.5
2139.0     0.054     21.3
2140.0     0.058     26.6
2141.0     0.061     31.3
2142.0     0.065     35.5
2143.0     0.069     39.2
2144.0     0.073     42.5
2145.0     0.078     45.4
2146.0     0.082     48.0
2147.0     0.087     50.3
2148.0     0.092     52.4
2149.0     0.097     54.2
2150.0     0.102     55.9
2151.0     0.108     57.4
2152.0     0.113     58.7
2153.0     0.118     60.0
2154.0     0.123     61.1
2155.0     0.129     62.1
2156.0     0.134     63.1
2157.0     0.139     64.0
2158.0     0.145     64.8
2159.0     0.150     65.6
2160.0     0.155     66.3
2161.0     0.161     66.9
2162.0     0.166     67.6
2163.0     0.171     68.1
2164.0     0.177     68.7
2165.0     0.182     69.2
2166.0     0.187     69.7
2167.0     0.192     70.1
2168.0     0.198     70.6
2169.0     0.203     71.0
2170.0     0.208     71.4
2171.0     0.213     71.8
2172.0     0.218     72.1
2173.0     0.224     72.4
2174.0     0.229     72.8
2175.0     0.234     73.1
2176.0     0.239     73.4
2177.0     0.244     73.7
2178.0     0.249     73.9
2179.0     0.254     74.2
2180.0     0.259     74.4
2181.0     0.263     74.7
2182.0     0.268     74.9
2183.0     0.273     75.2
2184.0     0.278     75.4
2185.0     0.283     75.6
2186.0     0.287     75.8
2187.0     0.292     76.0
2188.0     0.297     76.2
2189.0     0.301     76.4
2190.0     0.306     76.5
2191.0     0.310     76.7
2192.0     0.315     76.9
2193.0     0.319     77.0
2194.0     0.323     77.2
2195.0     0.328     77.4
2196.0     0.332     77.5
2197.0     0.336     77.7
2198.0     0.340     77.8
2199.0     0.344     77.9
2200.0     0.349     78.1
2201.0     0.353     78.2
2202.0     0.357     78.4
2203.0     0.361     78.5
2204.0     0.364     78.6
2205.0     0.368     78.7
2206.0     0.372     78.8
2207.0     0.376     79.0
2208.0     0.380     79.1
2209.0     0.383     79.2
2210.0     0.387     79.3
2211.0     0.390     79.4






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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