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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:29:02

Orbital Elements for A2935

WDS:	A2935	WDS ID/Discoverer
P:	68.900	Orbital period (years)
a:	0.223	Semi-major axis (arcseconds)
i:	125.3	Inclination (degrees)
Ω:	152.8	Longitude of ascending node (degrees)
T:	1974.520	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	0.0	Longitude of periastron (degrees)
Start-Year:	1991.0	Year
End-Year:	2059.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A2935

Position:	064830.86-122624.7	Epoch-2000 right ascension and declination
WDS-ID:	06485-1226	WDS designation
Discoverer Code:	A2935	Discover designation and components
ADS number:	5477	Aitken Double Star catalog
HD number:	49572	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.6	Magnitude of the primary
V2:	9.6	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for A2935

WDS 6th Orbit including measures of A2935

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

Ephemeris of A2935

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.130    253.5
-------------------------
1991.0     0.129     69.5
1992.0     0.129     60.5
1993.0     0.131     51.5
1994.0     0.134     43.0
1995.0     0.139     34.9
1996.0     0.146     27.5
1997.0     0.154     20.8
1998.0     0.162     14.8
1999.0     0.171      9.4
2000.0     0.179      4.5
2001.0     0.187    360.0
2002.0     0.195    355.9
2003.0     0.202    352.1
2004.0     0.208    348.5
2005.0     0.213    345.1
2006.0     0.218    341.9
2007.0     0.221    338.8
2008.0     0.222    335.7
2009.0     0.223    332.7
2010.0     0.222    329.7
2011.0     0.220    326.6
2012.0     0.217    323.5
2013.0     0.213    320.3
2014.0     0.208    316.9
2015.0     0.202    313.3
2016.0     0.195    309.5
2017.0     0.187    305.3
2018.0     0.179    300.9
2019.0     0.170    295.9
2020.0     0.162    290.4
2021.0     0.153    284.4
2022.0     0.146    277.7
2023.0     0.139    270.2
2024.0     0.134    262.1
2025.0     0.130    253.5
2026.0     0.129    244.6
2027.0     0.130    235.5
2028.0     0.132    226.8
2029.0     0.137    218.4
2030.0     0.143    210.8
2031.0     0.150    203.8
2032.0     0.158    197.4
2033.0     0.167    191.8
2034.0     0.175    186.6
2035.0     0.184    182.0
2036.0     0.192    177.7
2037.0     0.199    173.8
2038.0     0.206    170.1
2039.0     0.211    166.6
2040.0     0.216    163.4
2041.0     0.219    160.2
2042.0     0.222    157.1
2043.0     0.223    154.1
2044.0     0.223    151.0
2045.0     0.221    148.0
2046.0     0.219    144.9
2047.0     0.215    141.7
2048.0     0.210    138.4
2049.0     0.205    134.9
2050.0     0.198    131.2
2051.0     0.190    127.2
2052.0     0.182    122.9
2053.0     0.174    118.2
2054.0     0.165    113.0
2055.0     0.157    107.2
2056.0     0.149    100.8
2057.0     0.142     93.7
2058.0     0.136     85.9

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.