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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:47:48

Orbital Elements for BU962AB

WDS:	BU962AB	WDS ID/Discoverer
P:	76.100	Orbital period (years)
a:	1.53	Semi-major axis (arcseconds)
i:	104.0	Inclination (degrees)
Ω:	151.0	Longitude of ascending node (degrees)
T:	1947.000	Epoch of periastron passage (year)
e:	0.18	Eccentricity
ω:	307.0	Longitude of periastron (degrees)
Start-Year:	1987.0	Year
End-Year:	2063.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU962AB

Position:	173459.58+615228.4	Epoch-2000 right ascension and declination
WDS-ID:	17350+6153	WDS designation
Discoverer Code:	BU962AB	Discover designation and components
ADS number:	10660	Aitken Double Star catalog
HD number:	160269	HD catalog number
Hipparcos number:	86036	Hipparcos catalog number
V1:	5.28	Magnitude of the primary
V2:	8.54	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for BU962AB

WDS 6th Orbit including measures of BU962AB

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

Ephemeris of BU962AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.986    162.4
-------------------------
1987.0     1.281    345.3
1988.0     1.347    343.8
1989.0     1.408    342.4
1990.0     1.463    341.1
1991.0     1.514    339.9
1992.0     1.558    338.8
1993.0     1.596    337.7
1994.0     1.627    336.7
1995.0     1.652    335.7
1996.0     1.669    334.8
1997.0     1.679    333.8
1998.0     1.681    332.9
1999.0     1.675    332.0
2000.0     1.661    331.0
2001.0     1.638    330.1
2002.0     1.607    329.1
2003.0     1.568    328.0
2004.0     1.519    326.9
2005.0     1.462    325.7
2006.0     1.396    324.4
2007.0     1.321    323.0
2008.0     1.238    321.4
2009.0     1.147    319.5
2010.0     1.049    317.4
2011.0     0.944    314.7
2012.0     0.833    311.3
2013.0     0.719    307.0
2014.0     0.604    300.9
2015.0     0.493    292.0
2016.0     0.395    278.3
2017.0     0.328    257.6
2018.0     0.316    231.4
2019.0     0.364    207.9
2020.0     0.453    191.7
2021.0     0.559    181.3
2022.0     0.671    174.2
2023.0     0.782    169.2
2024.0     0.888    165.4
2025.0     0.986    162.4
2026.0     1.074    159.9
2027.0     1.151    157.8
2028.0     1.216    155.9
2029.0     1.269    154.2
2030.0     1.308    152.7
2031.0     1.334    151.1
2032.0     1.347    149.7
2033.0     1.348    148.2
2034.0     1.337    146.8
2035.0     1.315    145.3
2036.0     1.283    143.7
2037.0     1.241    142.1
2038.0     1.190    140.3
2039.0     1.132    138.3
2040.0     1.068    136.1
2041.0     0.997    133.7
2042.0     0.923    130.8
2043.0     0.845    127.4
2044.0     0.766    123.4
2045.0     0.687    118.4
2046.0     0.611    112.1
2047.0     0.541    104.1
2048.0     0.482     94.0
2049.0     0.439     81.4
2050.0     0.419     67.0
2051.0     0.425     52.0
2052.0     0.456     38.3
2053.0     0.508     26.9
2054.0     0.573     17.8
2055.0     0.647     10.7
2056.0     0.727      5.1
2057.0     0.808      0.6
2058.0     0.891    356.9
2059.0     0.972    353.9
2060.0     1.052    351.3
2061.0     1.130    349.1
2062.0     1.204    347.2

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.