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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:32:20

Orbital Elements for B2056

WDS:	B2056	WDS ID/Discoverer
P:	83.940	Orbital period (years)
a:	0.212	Semi-major axis (arcseconds)
i:	109.6	Inclination (degrees)
Ω:	158.8	Longitude of ascending node (degrees)
T:	2039.420	Epoch of periastron passage (year)
e:	0.06	Eccentricity
ω:	77.4	Longitude of periastron (degrees)
Start-Year:	1984.0	Year
End-Year:	2066.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B2056

Position:	221323.95-372902.5	Epoch-2000 right ascension and declination
WDS-ID:	22134-3729	WDS designation
Discoverer Code:	B2056	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	210767	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	8.5	Magnitude of the primary
V2:	8.6	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for B2056

WDS 6th Orbit including measures of B2056

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

Ephemeris of B2056

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.204    155.7
-------------------------
1984.0     0.201    329.8
1985.0     0.195    328.1
1986.0     0.189    326.4
1987.0     0.182    324.5
1988.0     0.174    322.5
1989.0     0.166    320.3
1990.0     0.157    317.8
1991.0     0.148    315.0
1992.0     0.138    311.9
1993.0     0.129    308.2
1994.0     0.119    304.0
1995.0     0.109    299.0
1996.0     0.100    293.1
1997.0     0.092    286.1
1998.0     0.085    277.7
1999.0     0.079    268.1
2000.0     0.076    257.3
2001.0     0.075    246.0
2002.0     0.077    234.8
2003.0     0.081    224.5
2004.0     0.088    215.4
2005.0     0.095    207.7
2006.0     0.104    201.2
2007.0     0.113    195.7
2008.0     0.123    191.0
2009.0     0.133    187.1
2010.0     0.142    183.6
2011.0     0.152    180.7
2012.0     0.160    178.0
2013.0     0.169    175.6
2014.0     0.177    173.5
2015.0     0.184    171.5
2016.0     0.190    169.6
2017.0     0.196    167.9
2018.0     0.200    166.3
2019.0     0.204    164.7
2020.0     0.207    163.1
2021.0     0.208    161.6
2022.0     0.209    160.2
2023.0     0.208    158.7
2024.0     0.207    157.2
2025.0     0.204    155.7
2026.0     0.200    154.1
2027.0     0.196    152.4
2028.0     0.190    150.7
2029.0     0.183    148.8
2030.0     0.175    146.8
2031.0     0.166    144.6
2032.0     0.157    142.2
2033.0     0.147    139.4
2034.0     0.136    136.1
2035.0     0.125    132.3
2036.0     0.114    127.8
2037.0     0.102    122.2
2038.0     0.092    115.3
2039.0     0.082    106.7
2040.0     0.074     96.0
2041.0     0.069     83.3
2042.0     0.067     69.1
2043.0     0.069     55.0
2044.0     0.074     42.2
2045.0     0.082     31.5
2046.0     0.092     22.9
2047.0     0.102     16.0
2048.0     0.114     10.4
2049.0     0.125      5.9
2050.0     0.136      2.1
2051.0     0.147    358.9
2052.0     0.157    356.1
2053.0     0.167    353.6
2054.0     0.176    351.4
2055.0     0.184    349.5
2056.0     0.192    347.6
2057.0     0.198    345.9
2058.0     0.203    344.3
2059.0     0.207    342.8
2060.0     0.211    341.3
2061.0     0.213    339.9
2062.0     0.214    338.5
2063.0     0.214    337.1
2064.0     0.214    335.7
2065.0     0.212    334.2

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.