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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:21:19

Orbital Elements for B263AB
WDS: B263AB WDS ID/Discoverer
P: 205.900 Orbital period (years)
a: 0.597 Semi-major axis (arcseconds)
i: 48.8 Inclination (degrees)
Ω: 19.8 Longitude of ascending node (degrees)
T: 2011.840 Epoch of periastron passage (year)
e: 0.533 Eccentricity
ω: 65.5 Longitude of periastron (degrees)
Start-Year: 1923.0 Year
End-Year: 2127.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B263AB
Position: 140227.50-243952.6 Epoch-2000 right ascension and declination
WDS-ID: 14025-2440 WDS designation
Discoverer Code: B263AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 122445 HD catalog number
Hipparcos number: 68587 Hipparcos catalog number
V1: 8.42 Magnitude of the primary
V2: 10.59 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for B263AB



WDS 6th Orbit including measures of B263AB

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


Ephemeris of B263AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.320    169.5
-------------------------
1923.0     0.622    266.9
1924.0     0.618    267.8
1925.0     0.615    268.7
1926.0     0.612    269.7
1927.0     0.608    270.6
1928.0     0.605    271.5
1929.0     0.601    272.5
1930.0     0.598    273.5
1931.0     0.594    274.4
1932.0     0.591    275.4
1933.0     0.587    276.4
1934.0     0.584    277.4
1935.0     0.581    278.5
1936.0     0.577    279.5
1937.0     0.574    280.5
1938.0     0.571    281.6
1939.0     0.567    282.7
1940.0     0.564    283.8
1941.0     0.561    284.9
1942.0     0.557    286.0
1943.0     0.554    287.1
1944.0     0.551    288.2
1945.0     0.548    289.4
1946.0     0.545    290.6
1947.0     0.542    291.7
1948.0     0.538    292.9
1949.0     0.535    294.1
1950.0     0.533    295.3
1951.0     0.530    296.6
1952.0     0.527    297.8
1953.0     0.524    299.1
1954.0     0.521    300.4
1955.0     0.518    301.6
1956.0     0.516    302.9
1957.0     0.513    304.3
1958.0     0.510    305.6
1959.0     0.508    306.9
1960.0     0.505    308.3
1961.0     0.503    309.6
1962.0     0.500    311.0
1963.0     0.498    312.4
1964.0     0.495    313.8
1965.0     0.493    315.2
1966.0     0.491    316.7
1967.0     0.489    318.1
1968.0     0.486    319.6
1969.0     0.484    321.1
1970.0     0.482    322.6
1971.0     0.480    324.1
1972.0     0.477    325.6
1973.0     0.475    327.1
1974.0     0.473    328.7
1975.0     0.471    330.2
1976.0     0.468    331.8
1977.0     0.466    333.4
1978.0     0.464    335.0
1979.0     0.461    336.6
1980.0     0.459    338.2
1981.0     0.456    339.9
1982.0     0.453    341.6
1983.0     0.451    343.3
1984.0     0.448    345.0
1985.0     0.444    346.8
1986.0     0.441    348.5
1987.0     0.437    350.3
1988.0     0.433    352.2
1989.0     0.429    354.0
1990.0     0.425    355.9
1991.0     0.420    357.9
1992.0     0.415    359.9
1993.0     0.409      1.9
1994.0     0.403      4.0
1995.0     0.397      6.2
1996.0     0.390      8.4
1997.0     0.382     10.8
1998.0     0.374     13.2
1999.0     0.365     15.7
2000.0     0.355     18.4
2001.0     0.345     21.3
2002.0     0.333     24.3
2003.0     0.321     27.5
2004.0     0.309     31.0
2005.0     0.295     34.8
2006.0     0.281     39.0
2007.0     0.267     43.6
2008.0     0.252     48.8
2009.0     0.238     54.5
2010.0     0.225     61.0
2011.0     0.212     68.3
2012.0     0.202     76.5
2013.0     0.194     85.4
2014.0     0.189     94.9
2015.0     0.188    104.6
2016.0     0.191    114.3
2017.0     0.198    123.5
2018.0     0.208    131.9
2019.0     0.220    139.5
2020.0     0.235    146.2
2021.0     0.251    152.1
2022.0     0.268    157.3
2023.0     0.285    161.9
2024.0     0.302    165.9
2025.0     0.320    169.5
2026.0     0.338    172.7
2027.0     0.355    175.6
2028.0     0.372    178.2
2029.0     0.388    180.6
2030.0     0.404    182.8
2031.0     0.420    184.9
2032.0     0.435    186.8
2033.0     0.449    188.6
2034.0     0.463    190.2
2035.0     0.477    191.8
2036.0     0.490    193.3
2037.0     0.503    194.7
2038.0     0.515    196.0
2039.0     0.526    197.3
2040.0     0.537    198.6
2041.0     0.548    199.7
2042.0     0.558    200.9
2043.0     0.568    202.0
2044.0     0.578    203.0
2045.0     0.587    204.0
2046.0     0.595    205.0
2047.0     0.603    206.0
2048.0     0.611    207.0
2049.0     0.619    207.9
2050.0     0.626    208.8
2051.0     0.633    209.6
2052.0     0.639    210.5
2053.0     0.646    211.3
2054.0     0.652    212.2
2055.0     0.657    213.0
2056.0     0.663    213.8
2057.0     0.668    214.6
2058.0     0.672    215.3
2059.0     0.677    216.1
2060.0     0.681    216.8
2061.0     0.685    217.6
2062.0     0.689    218.3
2063.0     0.693    219.1
2064.0     0.696    219.8
2065.0     0.699    220.5
2066.0     0.702    221.2
2067.0     0.705    221.9
2068.0     0.707    222.6
2069.0     0.709    223.3
2070.0     0.711    224.0
2071.0     0.713    224.7
2072.0     0.715    225.3
2073.0     0.716    226.0
2074.0     0.718    226.7
2075.0     0.719    227.4
2076.0     0.720    228.0
2077.0     0.721    228.7
2078.0     0.722    229.4
2079.0     0.722    230.0
2080.0     0.722    230.7
2081.0     0.723    231.4
2082.0     0.723    232.0
2083.0     0.723    232.7
2084.0     0.723    233.4
2085.0     0.722    234.0
2086.0     0.722    234.7
2087.0     0.721    235.4
2088.0     0.721    236.0
2089.0     0.720    236.7
2090.0     0.719    237.4
2091.0     0.718    238.0
2092.0     0.717    238.7
2093.0     0.716    239.4
2094.0     0.714    240.1
2095.0     0.713    240.8
2096.0     0.711    241.4
2097.0     0.709    242.1
2098.0     0.708    242.8
2099.0     0.706    243.5
2100.0     0.704    244.2
2101.0     0.702    244.9
2102.0     0.700    245.6
2103.0     0.698    246.3
2104.0     0.696    247.1
2105.0     0.693    247.8
2106.0     0.691    248.5
2107.0     0.688    249.2
2108.0     0.686    250.0
2109.0     0.683    250.7
2110.0     0.681    251.5
2111.0     0.678    252.2
2112.0     0.675    253.0
2113.0     0.672    253.7
2114.0     0.669    254.5
2115.0     0.666    255.3
2116.0     0.663    256.1
2117.0     0.660    256.9
2118.0     0.657    257.7
2119.0     0.654    258.5
2120.0     0.651    259.3
2121.0     0.648    260.1
2122.0     0.645    260.9
2123.0     0.641    261.8
2124.0     0.638    262.6
2125.0     0.635    263.5
2126.0     0.632    264.4






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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