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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:14:24

Orbital Elements for SEE512

WDS:	SEE512	WDS ID/Discoverer
P:	82.180	Orbital period (years)
a:	0.29	Semi-major axis (arcseconds)
i:	99.5	Inclination (degrees)
Ω:	125.8	Longitude of ascending node (degrees)
T:	1996.660	Epoch of periastron passage (year)
e:	0.031	Eccentricity
ω:	252.2	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 SEE512

Position:	203231.57-163634.4	Epoch-2000 right ascension and declination
WDS-ID:	20325-1637	WDS designation
Discoverer Code:	SEE512	Discover designation and components
ADS number:	13961	Aitken Double Star catalog
HD number:	195536	HD catalog number
Hipparcos number:	101357	Hipparcos catalog number
V1:	7.94	Magnitude of the primary
V2:	8.04	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2007	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for SEE512

WDS 6th Orbit including measures of SEE512

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

Ephemeris of SEE512

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.279    122.5
-------------------------
1984.0     0.277    303.5
1985.0     0.271    302.7
1986.0     0.262    301.8
1987.0     0.253    300.9
1988.0     0.241    299.9
1989.0     0.229    298.8
1990.0     0.214    297.6
1991.0     0.199    296.1
1992.0     0.183    294.5
1993.0     0.165    292.5
1994.0     0.147    290.0
1995.0     0.128    286.7
1996.0     0.109    282.4
1997.0     0.090    276.2
1998.0     0.072    266.9
1999.0     0.057    252.0
2000.0     0.048    229.1
2001.0     0.048    201.5
2002.0     0.058    178.9
2003.0     0.073    164.4
2004.0     0.091    155.2
2005.0     0.110    149.2
2006.0     0.129    144.9
2007.0     0.148    141.7
2008.0     0.166    139.2
2009.0     0.184    137.2
2010.0     0.200    135.6
2011.0     0.216    134.2
2012.0     0.230    133.0
2013.0     0.243    131.9
2014.0     0.255    130.9
2015.0     0.265    130.0
2016.0     0.273    129.2
2017.0     0.280    128.4
2018.0     0.286    127.6
2019.0     0.290    126.9
2020.0     0.292    126.1
2021.0     0.293    125.4
2022.0     0.292    124.7
2023.0     0.289    124.0
2024.0     0.285    123.3
2025.0     0.279    122.5
2026.0     0.272    121.7
2027.0     0.263    120.9
2028.0     0.253    120.0
2029.0     0.242    119.0
2030.0     0.230    117.9
2031.0     0.216    116.6
2032.0     0.201    115.2
2033.0     0.185    113.6
2034.0     0.169    111.7
2035.0     0.152    109.3
2036.0     0.134    106.3
2037.0     0.116    102.4
2038.0     0.098     97.1
2039.0     0.081     89.5
2040.0     0.066     78.1
2041.0     0.054     60.8
2042.0     0.049     37.5
2043.0     0.053     13.6
2044.0     0.064    355.4
2045.0     0.079    343.3
2046.0     0.096    335.2
2047.0     0.114    329.6
2048.0     0.131    325.6
2049.0     0.149    322.5
2050.0     0.166    320.0
2051.0     0.183    318.0
2052.0     0.199    316.4
2053.0     0.213    314.9
2054.0     0.227    313.7
2055.0     0.239    312.5
2056.0     0.251    311.5
2057.0     0.260    310.6
2058.0     0.269    309.7
2059.0     0.276    308.9
2060.0     0.281    308.1
2061.0     0.285    307.4
2062.0     0.287    306.6
2063.0     0.287    305.9
2064.0     0.286    305.2
2065.0     0.283    304.4

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.