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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:18:17

Orbital Elements for SEE179

WDS:	SEE179	WDS ID/Discoverer
P:	83.140	Orbital period (years)
a:	0.161	Semi-major axis (arcseconds)
i:	145.2	Inclination (degrees)
Ω:	146.5	Longitude of ascending node (degrees)
T:	1956.120	Epoch of periastron passage (year)
e:	0.521	Eccentricity
ω:	244.4	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 SEE179

Position:	133102.67-392426.2	Epoch-2000 right ascension and declination
WDS-ID:	13310-3924	WDS designation
Discoverer Code:	SEE179	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	117440	HD catalog number
Hipparcos number:	65936	Hipparcos catalog number
V1:	4.64	Magnitude of the primary
V2:	5.03	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for SEE179

WDS 6th Orbit including measures of SEE179

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

Ephemeris of SEE179

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.143     19.6
-------------------------
1984.0     0.209    110.7
1985.0     0.210    108.9
1986.0     0.211    107.1
1987.0     0.212    105.4
1988.0     0.213    103.6
1989.0     0.213    101.9
1990.0     0.213    100.2
1991.0     0.213     98.4
1992.0     0.213     96.7
1993.0     0.213     95.0
1994.0     0.213     93.3
1995.0     0.212     91.5
1996.0     0.211     89.8
1997.0     0.211     88.0
1998.0     0.210     86.2
1999.0     0.209     84.4
2000.0     0.207     82.6
2001.0     0.206     80.7
2002.0     0.204     78.9
2003.0     0.203     77.0
2004.0     0.201     75.0
2005.0     0.199     73.1
2006.0     0.197     71.1
2007.0     0.195     69.0
2008.0     0.193     66.9
2009.0     0.191     64.8
2010.0     0.188     62.6
2011.0     0.186     60.4
2012.0     0.183     58.1
2013.0     0.181     55.7
2014.0     0.178     53.3
2015.0     0.175     50.7
2016.0     0.172     48.1
2017.0     0.169     45.4
2018.0     0.166     42.7
2019.0     0.163     39.8
2020.0     0.160     36.8
2021.0     0.157     33.6
2022.0     0.153     30.4
2023.0     0.150     26.9
2024.0     0.146     23.4
2025.0     0.143     19.6
2026.0     0.139     15.6
2027.0     0.135     11.4
2028.0     0.131      7.0
2029.0     0.126      2.2
2030.0     0.122    357.1
2031.0     0.117    351.6
2032.0     0.112    345.6
2033.0     0.106    338.9
2034.0     0.100    331.5
2035.0     0.093    323.0
2036.0     0.086    313.2
2037.0     0.079    301.6
2038.0     0.072    287.7
2039.0     0.067    271.4
2040.0     0.065    253.1
2041.0     0.066    234.4
2042.0     0.071    217.4
2043.0     0.078    203.0
2044.0     0.086    191.2
2045.0     0.096    181.7
2046.0     0.105    173.9
2047.0     0.114    167.4
2048.0     0.123    161.9
2049.0     0.132    157.0
2050.0     0.139    152.7
2051.0     0.147    148.9
2052.0     0.154    145.4
2053.0     0.160    142.2
2054.0     0.166    139.2
2055.0     0.171    136.4
2056.0     0.176    133.8
2057.0     0.181    131.4
2058.0     0.185    129.0
2059.0     0.189    126.7
2060.0     0.192    124.6
2061.0     0.195    122.5
2062.0     0.198    120.4
2063.0     0.201    118.5
2064.0     0.203    116.5
2065.0     0.205    114.7

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.