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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 19:36:50

Orbital Elements for BU1146
WDS: BU1146 WDS ID/Discoverer
P: 219.300 Orbital period (years)
a: 0.206 Semi-major axis (arcseconds)
i: 149.6 Inclination (degrees)
Ω: 144.1 Longitude of ascending node (degrees)
T: 1931.000 Epoch of periastron passage (year)
e: 0.356 Eccentricity
ω: 276.7 Longitude of periastron (degrees)
Start-Year: 1916.0 Year
End-Year: 2134.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU1146
Position: 224827.40+310602.5 Epoch-2000 right ascension and declination
WDS-ID: 22485+3106 WDS designation
Discoverer Code: BU1146 Discover designation and components
ADS number: 16278 Aitken Double Star catalog
HD number: 215955 HD catalog number
Hipparcos number: 112611 Hipparcos catalog number
V1: 7.84 Magnitude of the primary
V2: 8.79 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2005 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for BU1146



WDS 6th Orbit including measures of BU1146

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


Ephemeris of BU1146
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.238     61.6
-------------------------
1916.0     0.138    283.2
1917.0     0.135    280.2
1918.0     0.132    277.1
1919.0     0.130    273.8
1920.0     0.127    270.4
1921.0     0.125    266.9
1922.0     0.123    263.2
1923.0     0.121    259.5
1924.0     0.119    255.6
1925.0     0.118    251.6
1926.0     0.117    247.5
1927.0     0.116    243.4
1928.0     0.115    239.2
1929.0     0.115    234.9
1930.0     0.115    230.6
1931.0     0.115    226.3
1932.0     0.115    222.1
1933.0     0.116    217.9
1934.0     0.117    213.7
1935.0     0.118    209.7
1936.0     0.119    205.7
1937.0     0.121    201.8
1938.0     0.123    198.0
1939.0     0.125    194.4
1940.0     0.127    190.8
1941.0     0.129    187.4
1942.0     0.132    184.1
1943.0     0.134    181.0
1944.0     0.137    177.9
1945.0     0.139    175.0
1946.0     0.142    172.1
1947.0     0.145    169.4
1948.0     0.147    166.8
1949.0     0.150    164.2
1950.0     0.152    161.8
1951.0     0.155    159.4
1952.0     0.158    157.1
1953.0     0.160    154.9
1954.0     0.163    152.7
1955.0     0.165    150.6
1956.0     0.167    148.6
1957.0     0.170    146.6
1958.0     0.172    144.7
1959.0     0.174    142.8
1960.0     0.176    141.0
1961.0     0.179    139.2
1962.0     0.181    137.5
1963.0     0.183    135.8
1964.0     0.185    134.1
1965.0     0.186    132.5
1966.0     0.188    130.9
1967.0     0.190    129.3
1968.0     0.192    127.8
1969.0     0.193    126.2
1970.0     0.195    124.8
1971.0     0.197    123.3
1972.0     0.198    121.8
1973.0     0.200    120.4
1974.0     0.201    119.0
1975.0     0.203    117.7
1976.0     0.204    116.3
1977.0     0.205    115.0
1978.0     0.206    113.6
1979.0     0.208    112.3
1980.0     0.209    111.0
1981.0     0.210    109.7
1982.0     0.211    108.5
1983.0     0.212    107.2
1984.0     0.213    106.0
1985.0     0.214    104.8
1986.0     0.215    103.5
1987.0     0.216    102.3
1988.0     0.217    101.1
1989.0     0.218    100.0
1990.0     0.219     98.8
1991.0     0.220     97.6
1992.0     0.221     96.5
1993.0     0.222     95.3
1994.0     0.222     94.2
1995.0     0.223     93.0
1996.0     0.224     91.9
1997.0     0.225     90.8
1998.0     0.225     89.7
1999.0     0.226     88.6
2000.0     0.227     87.5
2001.0     0.227     86.4
2002.0     0.228     85.3
2003.0     0.228     84.2
2004.0     0.229     83.2
2005.0     0.230     82.1
2006.0     0.230     81.0
2007.0     0.231     80.0
2008.0     0.231     78.9
2009.0     0.232     77.9
2010.0     0.232     76.8
2011.0     0.233     75.8
2012.0     0.233     74.7
2013.0     0.234     73.7
2014.0     0.234     72.7
2015.0     0.234     71.7
2016.0     0.235     70.6
2017.0     0.235     69.6
2018.0     0.236     68.6
2019.0     0.236     67.6
2020.0     0.236     66.6
2021.0     0.237     65.6
2022.0     0.237     64.6
2023.0     0.237     63.6
2024.0     0.238     62.6
2025.0     0.238     61.6
2026.0     0.238     60.6
2027.0     0.239     59.6
2028.0     0.239     58.6
2029.0     0.239     57.7
2030.0     0.239     56.7
2031.0     0.240     55.7
2032.0     0.240     54.7
2033.0     0.240     53.7
2034.0     0.240     52.8
2035.0     0.241     51.8
2036.0     0.241     50.8
2037.0     0.241     49.9
2038.0     0.241     48.9
2039.0     0.241     47.9
2040.0     0.241     47.0
2041.0     0.242     46.0
2042.0     0.242     45.0
2043.0     0.242     44.1
2044.0     0.242     43.1
2045.0     0.242     42.2
2046.0     0.242     41.2
2047.0     0.242     40.2
2048.0     0.242     39.3
2049.0     0.242     38.3
2050.0     0.242     37.4
2051.0     0.242     36.4
2052.0     0.242     35.5
2053.0     0.242     34.5
2054.0     0.242     33.6
2055.0     0.242     32.6
2056.0     0.242     31.6
2057.0     0.242     30.7
2058.0     0.242     29.7
2059.0     0.242     28.8
2060.0     0.242     27.8
2061.0     0.242     26.8
2062.0     0.242     25.9
2063.0     0.241     24.9
2064.0     0.241     24.0
2065.0     0.241     23.0
2066.0     0.241     22.0
2067.0     0.240     21.0
2068.0     0.240     20.1
2069.0     0.240     19.1
2070.0     0.240     18.1
2071.0     0.239     17.1
2072.0     0.239     16.2
2073.0     0.239     15.2
2074.0     0.238     14.2
2075.0     0.238     13.2
2076.0     0.237     12.2
2077.0     0.237     11.2
2078.0     0.236     10.2
2079.0     0.236      9.2
2080.0     0.235      8.2
2081.0     0.235      7.2
2082.0     0.234      6.1
2083.0     0.233      5.1
2084.0     0.233      4.1
2085.0     0.232      3.0
2086.0     0.231      2.0
2087.0     0.230      0.9
2088.0     0.229    359.9
2089.0     0.229    358.8
2090.0     0.228    357.7
2091.0     0.227    356.6
2092.0     0.226    355.5
2093.0     0.225    354.4
2094.0     0.224    353.3
2095.0     0.223    352.2
2096.0     0.222    351.0
2097.0     0.220    349.9
2098.0     0.219    348.7
2099.0     0.218    347.6
2100.0     0.217    346.4
2101.0     0.215    345.2
2102.0     0.214    343.9
2103.0     0.212    342.7
2104.0     0.211    341.5
2105.0     0.209    340.2
2106.0     0.208    338.9
2107.0     0.206    337.6
2108.0     0.204    336.2
2109.0     0.202    334.9
2110.0     0.201    333.5
2111.0     0.199    332.1
2112.0     0.197    330.7
2113.0     0.195    329.2
2114.0     0.193    327.7
2115.0     0.191    326.2
2116.0     0.188    324.6
2117.0     0.186    323.0
2118.0     0.184    321.4
2119.0     0.181    319.7
2120.0     0.179    317.9
2121.0     0.177    316.2
2122.0     0.174    314.3
2123.0     0.171    312.5
2124.0     0.169    310.5
2125.0     0.166    308.5
2126.0     0.163    306.5
2127.0     0.161    304.3
2128.0     0.158    302.1
2129.0     0.155    299.8
2130.0     0.152    297.4
2131.0     0.150    295.0
2132.0     0.147    292.4
2133.0     0.144    289.8



 

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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