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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:45:08

Orbital Elements for SEE324

WDS:	SEE324	WDS ID/Discoverer
P:	93.000	Orbital period (years)
a:	0.1906	Semi-major axis (arcseconds)
i:	118.1	Inclination (degrees)
Ω:	84.6	Longitude of ascending node (degrees)
T:	2020.800	Epoch of periastron passage (year)
e:	0.396	Eccentricity
ω:	359.0	Longitude of periastron (degrees)
Start-Year:	1979.0	Year
End-Year:	2071.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SEE324

Position:	171805.47-380950.3	Epoch-2000 right ascension and declination
WDS-ID:	17181-3810	WDS designation
Discoverer Code:	SEE324	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	156232	HD catalog number
Hipparcos number:	84634	Hipparcos catalog number
V1:	7.51	Magnitude of the primary
V2:	7.91	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for SEE324

WDS 6th Orbit including measures of SEE324

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

Ephemeris of SEE324

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.103     64.3
-------------------------
1979.0     0.262    261.0
1980.0     0.260    260.1
1981.0     0.258    259.2
1982.0     0.255    258.3
1983.0     0.252    257.3
1984.0     0.249    256.4
1985.0     0.245    255.4
1986.0     0.241    254.3
1987.0     0.236    253.3
1988.0     0.231    252.2
1989.0     0.226    251.0
1990.0     0.220    249.8
1991.0     0.214    248.5
1992.0     0.208    247.1
1993.0     0.201    245.7
1994.0     0.194    244.1
1995.0     0.186    242.4
1996.0     0.178    240.6
1997.0     0.170    238.6
1998.0     0.162    236.4
1999.0     0.153    233.9
2000.0     0.144    231.1
2001.0     0.135    228.0
2002.0     0.126    224.4
2003.0     0.117    220.3
2004.0     0.108    215.5
2005.0     0.100    209.9
2006.0     0.092    203.2
2007.0     0.085    195.5
2008.0     0.080    186.4
2009.0     0.076    176.3
2010.0     0.074    165.3
2011.0     0.074    154.1
2012.0     0.076    143.3
2013.0     0.080    133.4
2014.0     0.086    124.5
2015.0     0.092    116.8
2016.0     0.098    110.0
2017.0     0.103    103.9
2018.0     0.108     98.5
2019.0     0.112     93.5
2020.0     0.114     88.8
2021.0     0.115     84.2
2022.0     0.114     79.5
2023.0     0.112     74.8
2024.0     0.108     69.8
2025.0     0.103     64.3
2026.0     0.097     58.3
2027.0     0.092     51.5
2028.0     0.086     43.7
2029.0     0.081     34.9
2030.0     0.077     25.1
2031.0     0.075     14.5
2032.0     0.075      3.6
2033.0     0.077    353.0
2034.0     0.081    343.1
2035.0     0.086    334.3
2036.0     0.093    326.6
2037.0     0.100    320.1
2038.0     0.109    314.5
2039.0     0.117    309.7
2040.0     0.126    305.6
2041.0     0.135    302.0
2042.0     0.144    298.9
2043.0     0.153    296.1
2044.0     0.161    293.6
2045.0     0.169    291.4
2046.0     0.178    289.4
2047.0     0.185    287.5
2048.0     0.193    285.8
2049.0     0.200    284.2
2050.0     0.207    282.8
2051.0     0.213    281.4
2052.0     0.219    280.1
2053.0     0.225    278.9
2054.0     0.231    277.7
2055.0     0.236    276.6
2056.0     0.240    275.5
2057.0     0.244    274.5
2058.0     0.248    273.5
2059.0     0.252    272.5
2060.0     0.255    271.5
2061.0     0.258    270.6
2062.0     0.260    269.7
2063.0     0.262    268.8
2064.0     0.264    267.9
2065.0     0.265    267.1
2066.0     0.266    266.2
2067.0     0.266    265.3
2068.0     0.266    264.5
2069.0     0.266    263.6
2070.0     0.265    262.7

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.