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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:47:30

Orbital Elements for HDS1360AA,AB

WDS:	HDS1360AA,AB	WDS ID/Discoverer
P:	79.500	Orbital period (years)
a:	0.661	Semi-major axis (arcseconds)
i:	115.3	Inclination (degrees)
Ω:	56.1	Longitude of ascending node (degrees)
T:	2031.800	Epoch of periastron passage (year)
e:	0.82	Eccentricity
ω:	66.7	Longitude of periastron (degrees)
Start-Year:	1986.0	Year
End-Year:	2064.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1360AA,AB

Position:	092918.68-443220.2	Epoch-2000 right ascension and declination
WDS-ID:	09293-4432	WDS designation
Discoverer Code:	HDS1360AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	7.18	Magnitude of the primary
V2:	10.23	Magnitude of the secondary
Equinox:		Equinox
Date:	2018	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1360AA,AB

WDS 6th Orbit including measures of HDS1360AA,AB

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

Ephemeris of HDS1360AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.283    105.3
-------------------------
1986.0     0.714    197.4
1987.0     0.708    196.5
1988.0     0.702    195.5
1989.0     0.695    194.5
1990.0     0.687    193.5
1991.0     0.679    192.4
1992.0     0.671    191.4
1993.0     0.662    190.3
1994.0     0.652    189.2
1995.0     0.643    188.0
1996.0     0.632    186.8
1997.0     0.622    185.6
1998.0     0.611    184.3
1999.0     0.599    183.0
2000.0     0.588    181.6
2001.0     0.576    180.2
2002.0     0.564    178.7
2003.0     0.551    177.1
2004.0     0.538    175.5
2005.0     0.525    173.8
2006.0     0.512    172.0
2007.0     0.499    170.1
2008.0     0.485    168.1
2009.0     0.472    166.0
2010.0     0.458    163.8
2011.0     0.445    161.4
2012.0     0.431    158.9
2013.0     0.417    156.2
2014.0     0.404    153.3
2015.0     0.391    150.2
2016.0     0.378    147.0
2017.0     0.365    143.4
2018.0     0.353    139.7
2019.0     0.342    135.7
2020.0     0.330    131.4
2021.0     0.320    126.8
2022.0     0.310    121.9
2023.0     0.301    116.7
2024.0     0.292    111.2
2025.0     0.283    105.3
2026.0     0.274     99.1
2027.0     0.264     92.4
2028.0     0.251     85.1
2029.0     0.233     76.9
2030.0     0.203     66.9
2031.0     0.145     51.1
2032.0     0.054    343.2
2033.0     0.141    256.1
2034.0     0.242    242.3
2035.0     0.320    236.1
2036.0     0.382    232.2
2037.0     0.433    229.3
2038.0     0.476    226.9
2039.0     0.513    225.0
2040.0     0.545    223.2
2041.0     0.574    221.7
2042.0     0.598    220.3
2043.0     0.620    219.0
2044.0     0.639    217.8
2045.0     0.656    216.6
2046.0     0.670    215.5
2047.0     0.683    214.5
2048.0     0.695    213.4
2049.0     0.704    212.4
2050.0     0.712    211.5
2051.0     0.719    210.5
2052.0     0.725    209.6
2053.0     0.730    208.7
2054.0     0.733    207.8
2055.0     0.736    206.9
2056.0     0.738    206.0
2057.0     0.738    205.1
2058.0     0.738    204.2
2059.0     0.737    203.3
2060.0     0.736    202.5
2061.0     0.733    201.6
2062.0     0.730    200.7
2063.0     0.726    199.7

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.