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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:15:39

Orbital Elements for RST1706

WDS:	RST1706	WDS ID/Discoverer
P:	91.000	Orbital period (years)
a:	0.463	Semi-major axis (arcseconds)
i:	111.9	Inclination (degrees)
Ω:	63.4	Longitude of ascending node (degrees)
T:	1999.660	Epoch of periastron passage (year)
e:	0.532	Eccentricity
ω:	168.6	Longitude of periastron (degrees)
Start-Year:	1980.0	Year
End-Year:	2070.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST1706

Position:	131036.33-312814.4	Epoch-2000 right ascension and declination
WDS-ID:	13106-3128	WDS designation
Discoverer Code:	RST1706	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	114385	HD catalog number
Hipparcos number:	64292	Hipparcos catalog number
V1:	9.40	Magnitude of the primary
V2:	11.34	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2012	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for RST1706

WDS 6th Orbit including measures of RST1706

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

Ephemeris of RST1706

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.466     82.8
-------------------------
1980.0     0.461     49.7
1981.0     0.437     48.4
1982.0     0.413     46.9
1983.0     0.387     45.2
1984.0     0.360     43.3
1985.0     0.332     41.1
1986.0     0.302     38.4
1987.0     0.272     35.1
1988.0     0.242     31.1
1989.0     0.211     25.8
1990.0     0.180     18.7
1991.0     0.152      8.9
1992.0     0.128    355.1
1993.0     0.113    336.4
1994.0     0.111    314.6
1995.0     0.122    294.4
1996.0     0.142    278.8
1997.0     0.165    267.3
1998.0     0.187    258.7
1999.0     0.205    251.7
2000.0     0.216    245.7
2001.0     0.219    240.1
2002.0     0.215    234.4
2003.0     0.205    228.4
2004.0     0.191    221.5
2005.0     0.174    213.5
2006.0     0.158    203.8
2007.0     0.145    192.0
2008.0     0.137    178.4
2009.0     0.135    163.7
2010.0     0.141    149.5
2011.0     0.153    137.0
2012.0     0.170    126.7
2013.0     0.191    118.4
2014.0     0.213    111.8
2015.0     0.237    106.5
2016.0     0.262    102.2
2017.0     0.286     98.6
2018.0     0.310     95.6
2019.0     0.334     93.0
2020.0     0.358     90.8
2021.0     0.381     88.8
2022.0     0.403     87.1
2023.0     0.425     85.5
2024.0     0.446     84.1
2025.0     0.466     82.8
2026.0     0.485     81.6
2027.0     0.504     80.5
2028.0     0.522     79.5
2029.0     0.539     78.6
2030.0     0.555     77.7
2031.0     0.570     76.8
2032.0     0.585     76.0
2033.0     0.598     75.3
2034.0     0.611     74.5
2035.0     0.623     73.8
2036.0     0.634     73.2
2037.0     0.645     72.5
2038.0     0.654     71.9
2039.0     0.663     71.2
2040.0     0.670     70.6
2041.0     0.677     70.1
2042.0     0.684     69.5
2043.0     0.689     68.9
2044.0     0.693     68.3
2045.0     0.697     67.8
2046.0     0.700     67.2
2047.0     0.701     66.7
2048.0     0.702     66.2
2049.0     0.702     65.6
2050.0     0.702     65.1
2051.0     0.700     64.5
2052.0     0.697     64.0
2053.0     0.694     63.4
2054.0     0.689     62.9
2055.0     0.684     62.3
2056.0     0.678     61.7
2057.0     0.671     61.1
2058.0     0.662     60.5
2059.0     0.653     59.9
2060.0     0.643     59.3
2061.0     0.632     58.6
2062.0     0.620     57.9
2063.0     0.607     57.2
2064.0     0.592     56.5
2065.0     0.577     55.7
2066.0     0.560     54.9
2067.0     0.543     54.0
2068.0     0.524     53.0
2069.0     0.504     52.0

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.