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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:38:56

Orbital Elements for HDS3283AB

WDS:	HDS3283AB	WDS ID/Discoverer
P:	76.270	Orbital period (years)
a:	0.139	Semi-major axis (arcseconds)
i:	120.8	Inclination (degrees)
Ω:	42.3	Longitude of ascending node (degrees)
T:	2035.290	Epoch of periastron passage (year)
e:	0.692	Eccentricity
ω:	255.0	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 HDS3283AB

Position:	230252.06-132019.2	Epoch-2000 right ascension and declination
WDS-ID:	23029-1320	WDS designation
Discoverer Code:	HDS3283AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	217735	HD catalog number
Hipparcos number:	113810	Hipparcos catalog number
V1:	9.28	Magnitude of the primary
V2:	9.55	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS3283AB

WDS 6th Orbit including measures of HDS3283AB

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

Ephemeris of HDS3283AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.094    261.1
-------------------------
1987.0     0.145    357.8
1988.0     0.144    356.2
1989.0     0.143    354.5
1990.0     0.142    352.9
1991.0     0.140    351.2
1992.0     0.139    349.4
1993.0     0.138    347.7
1994.0     0.136    345.9
1995.0     0.135    344.0
1996.0     0.133    342.2
1997.0     0.132    340.2
1998.0     0.130    338.3
1999.0     0.128    336.2
2000.0     0.127    334.2
2001.0     0.125    332.0
2002.0     0.123    329.8
2003.0     0.122    327.6
2004.0     0.120    325.3
2005.0     0.118    322.9
2006.0     0.117    320.5
2007.0     0.115    317.9
2008.0     0.114    315.4
2009.0     0.112    312.7
2010.0     0.111    310.0
2011.0     0.109    307.2
2012.0     0.108    304.4
2013.0     0.107    301.4
2014.0     0.105    298.4
2015.0     0.104    295.4
2016.0     0.103    292.2
2017.0     0.102    289.0
2018.0     0.101    285.8
2019.0     0.100    282.5
2020.0     0.099    279.1
2021.0     0.098    275.6
2022.0     0.097    272.1
2023.0     0.096    268.5
2024.0     0.095    264.8
2025.0     0.094    261.1
2026.0     0.092    257.2
2027.0     0.090    253.1
2028.0     0.088    248.8
2029.0     0.084    244.3
2030.0     0.080    239.3
2031.0     0.075    233.7
2032.0     0.067    227.0
2033.0     0.057    218.2
2034.0     0.043    204.4
2035.0     0.027    175.1
2036.0     0.024    113.6
2037.0     0.038     74.6
2038.0     0.055     58.8
2039.0     0.070     50.2
2040.0     0.083     44.5
2041.0     0.094     40.2
2042.0     0.102     36.7
2043.0     0.110     33.7
2044.0     0.117     31.0
2045.0     0.122     28.7
2046.0     0.127     26.5
2047.0     0.131     24.5
2048.0     0.134     22.5
2049.0     0.137     20.7
2050.0     0.140     19.0
2051.0     0.142     17.2
2052.0     0.143     15.6
2053.0     0.145     14.0
2054.0     0.146     12.4
2055.0     0.146     10.8
2056.0     0.147      9.2
2057.0     0.147      7.6
2058.0     0.147      6.1
2059.0     0.147      4.5
2060.0     0.147      3.0
2061.0     0.146      1.4
2062.0     0.146    359.8

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.