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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:35:19

Orbital Elements for HDS1091

WDS:	HDS1091	WDS ID/Discoverer
P:	275.000	Orbital period (years)
a:	0.332	Semi-major axis (arcseconds)
i:	115.2	Inclination (degrees)
Ω:	93.3	Longitude of ascending node (degrees)
T:	2017.400	Epoch of periastron passage (year)
e:	0.69	Eccentricity
ω:	200.2	Longitude of periastron (degrees)
Start-Year:	1888.0	Year
End-Year:	2162.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1091

Position:	074241.86-350941.3	Epoch-2000 right ascension and declination
WDS-ID:	07427-3510	WDS designation
Discoverer Code:	HDS1091	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	62478	HD catalog number
Hipparcos number:	37538	Hipparcos catalog number
V1:	10.04	Magnitude of the primary
V2:	10.59	Magnitude of the secondary
Equinox:		Equinox
Date:	2018	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1091

WDS 6th Orbit including measures of HDS1091

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

Ephemeris of HDS1091

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.058    199.4
-------------------------
1888.0     0.524     83.1
1889.0     0.523     82.9
1890.0     0.521     82.8
1891.0     0.520     82.6
1892.0     0.518     82.5
1893.0     0.517     82.3
1894.0     0.515     82.1
1895.0     0.513     82.0
1896.0     0.511     81.8
1897.0     0.510     81.6
1898.0     0.508     81.4
1899.0     0.506     81.3
1900.0     0.504     81.1
1901.0     0.502     80.9
1902.0     0.500     80.7
1903.0     0.498     80.6
1904.0     0.496     80.4
1905.0     0.494     80.2
1906.0     0.491     80.0
1907.0     0.489     79.8
1908.0     0.487     79.6
1909.0     0.484     79.5
1910.0     0.482     79.3
1911.0     0.479     79.1
1912.0     0.477     78.9
1913.0     0.474     78.7
1914.0     0.471     78.5
1915.0     0.469     78.3
1916.0     0.466     78.1
1917.0     0.463     77.9
1918.0     0.460     77.7
1919.0     0.457     77.4
1920.0     0.454     77.2
1921.0     0.451     77.0
1922.0     0.448     76.8
1923.0     0.445     76.6
1924.0     0.442     76.3
1925.0     0.438     76.1
1926.0     0.435     75.9
1927.0     0.432     75.6
1928.0     0.428     75.4
1929.0     0.425     75.2
1930.0     0.421     74.9
1931.0     0.418     74.7
1932.0     0.414     74.4
1933.0     0.410     74.1
1934.0     0.407     73.9
1935.0     0.403     73.6
1936.0     0.399     73.3
1937.0     0.395     73.0
1938.0     0.391     72.8
1939.0     0.387     72.5
1940.0     0.383     72.2
1941.0     0.379     71.9
1942.0     0.375     71.5
1943.0     0.371     71.2
1944.0     0.366     70.9
1945.0     0.362     70.6
1946.0     0.358     70.2
1947.0     0.353     69.9
1948.0     0.349     69.5
1949.0     0.344     69.1
1950.0     0.339     68.8
1951.0     0.335     68.4
1952.0     0.330     68.0
1953.0     0.325     67.5
1954.0     0.320     67.1
1955.0     0.316     66.7
1956.0     0.311     66.2
1957.0     0.306     65.8
1958.0     0.301     65.3
1959.0     0.296     64.8
1960.0     0.290     64.3
1961.0     0.285     63.7
1962.0     0.280     63.2
1963.0     0.275     62.6
1964.0     0.269     62.0
1965.0     0.264     61.4
1966.0     0.258     60.7
1967.0     0.253     60.0
1968.0     0.247     59.3
1969.0     0.242     58.6
1970.0     0.236     57.8
1971.0     0.231     57.0
1972.0     0.225     56.1
1973.0     0.219     55.2
1974.0     0.213     54.3
1975.0     0.208     53.3
1976.0     0.202     52.2
1977.0     0.196     51.1
1978.0     0.190     49.9
1979.0     0.184     48.6
1980.0     0.178     47.3
1981.0     0.172     45.8
1982.0     0.167     44.3
1983.0     0.161     42.6
1984.0     0.155     40.8
1985.0     0.149     38.9
1986.0     0.144     36.8
1987.0     0.138     34.6
1988.0     0.133     32.2
1989.0     0.127     29.5
1990.0     0.122     26.7
1991.0     0.117     23.6
1992.0     0.113     20.2
1993.0     0.108     16.6
1994.0     0.104     12.7
1995.0     0.101      8.4
1996.0     0.098      3.9
1997.0     0.095    359.1
1998.0     0.093    354.1
1999.0     0.091    348.8
2000.0     0.090    343.4
2001.0     0.090    337.9
2002.0     0.090    332.4
2003.0     0.091    326.9
2004.0     0.092    321.6
2005.0     0.094    316.5
2006.0     0.096    311.5
2007.0     0.098    306.8
2008.0     0.101    302.3
2009.0     0.103    298.0
2010.0     0.105    293.9
2011.0     0.107    289.9
2012.0     0.108    286.0
2013.0     0.108    282.2
2014.0     0.108    278.4
2015.0     0.106    274.6
2016.0     0.104    270.5
2017.0     0.100    266.2
2018.0     0.095    261.5
2019.0     0.089    256.2
2020.0     0.082    250.1
2021.0     0.075    242.9
2022.0     0.069    234.3
2023.0     0.063    224.1
2024.0     0.060    212.3
2025.0     0.058    199.4
2026.0     0.059    186.4
2027.0     0.063    174.3
2028.0     0.068    163.9
2029.0     0.075    155.2
2030.0     0.083    148.1
2031.0     0.092    142.3
2032.0     0.101    137.5
2033.0     0.111    133.6
2034.0     0.121    130.2
2035.0     0.130    127.4
2036.0     0.140    125.0
2037.0     0.150    122.9
2038.0     0.159    121.0
2039.0     0.169    119.3
2040.0     0.178    117.9
2041.0     0.187    116.5
2042.0     0.196    115.3
2043.0     0.205    114.2
2044.0     0.213    113.2
2045.0     0.222    112.2
2046.0     0.230    111.4
2047.0     0.238    110.6
2048.0     0.246    109.8
2049.0     0.254    109.1
2050.0     0.262    108.4
2051.0     0.269    107.8
2052.0     0.277    107.2
2053.0     0.284    106.6
2054.0     0.291    106.1
2055.0     0.298    105.6
2056.0     0.305    105.1
2057.0     0.311    104.6
2058.0     0.318    104.2
2059.0     0.324    103.7
2060.0     0.331    103.3
2061.0     0.337    102.9
2062.0     0.343    102.5
2063.0     0.349    102.2
2064.0     0.354    101.8
2065.0     0.360    101.5
2066.0     0.366    101.1
2067.0     0.371    100.8
2068.0     0.376    100.5
2069.0     0.382    100.2
2070.0     0.387     99.9
2071.0     0.392     99.6
2072.0     0.397     99.3
2073.0     0.401     99.0
2074.0     0.406     98.7
2075.0     0.411     98.5
2076.0     0.415     98.2
2077.0     0.419     98.0
2078.0     0.424     97.7
2079.0     0.428     97.5
2080.0     0.432     97.2
2081.0     0.436     97.0
2082.0     0.440     96.8
2083.0     0.444     96.5
2084.0     0.447     96.3
2085.0     0.451     96.1
2086.0     0.455     95.9
2087.0     0.458     95.6
2088.0     0.461     95.4
2089.0     0.465     95.2
2090.0     0.468     95.0
2091.0     0.471     94.8
2092.0     0.474     94.6
2093.0     0.477     94.4
2094.0     0.480     94.2
2095.0     0.483     94.0
2096.0     0.486     93.9
2097.0     0.488     93.7
2098.0     0.491     93.5
2099.0     0.494     93.3
2100.0     0.496     93.1
2101.0     0.498     92.9
2102.0     0.501     92.8
2103.0     0.503     92.6
2104.0     0.505     92.4
2105.0     0.507     92.2
2106.0     0.509     92.1
2107.0     0.511     91.9
2108.0     0.513     91.7
2109.0     0.515     91.6
2110.0     0.517     91.4
2111.0     0.518     91.2
2112.0     0.520     91.1
2113.0     0.522     90.9
2114.0     0.523     90.7
2115.0     0.525     90.6
2116.0     0.526     90.4
2117.0     0.527     90.2
2118.0     0.528     90.1
2119.0     0.530     89.9
2120.0     0.531     89.8
2121.0     0.532     89.6
2122.0     0.533     89.5
2123.0     0.534     89.3
2124.0     0.535     89.1
2125.0     0.535     89.0
2126.0     0.536     88.8
2127.0     0.537     88.7
2128.0     0.537     88.5
2129.0     0.538     88.4
2130.0     0.539     88.2
2131.0     0.539     88.1
2132.0     0.539     87.9
2133.0     0.540     87.8
2134.0     0.540     87.6
2135.0     0.540     87.4
2136.0     0.540     87.3
2137.0     0.540     87.1
2138.0     0.541     87.0
2139.0     0.541     86.8
2140.0     0.540     86.7
2141.0     0.540     86.5
2142.0     0.540     86.4
2143.0     0.540     86.2
2144.0     0.540     86.1
2145.0     0.539     85.9
2146.0     0.539     85.8
2147.0     0.538     85.6
2148.0     0.538     85.5
2149.0     0.537     85.3
2150.0     0.537     85.2
2151.0     0.536     85.0
2152.0     0.535     84.8
2153.0     0.535     84.7
2154.0     0.534     84.5
2155.0     0.533     84.4
2156.0     0.532     84.2
2157.0     0.531     84.1
2158.0     0.530     83.9
2159.0     0.529     83.7
2160.0     0.528     83.6
2161.0     0.526     83.4

Disclaimer

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.