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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:28:57

Orbital Elements for A1910AB

WDS:	A1910AB	WDS ID/Discoverer
P:	70.700	Orbital period (years)
a:	0.1904	Semi-major axis (arcseconds)
i:	119.7	Inclination (degrees)
Ω:	129.8	Longitude of ascending node (degrees)
T:	1985.037	Epoch of periastron passage (year)
e:	0.7802	Eccentricity
ω:	119.6	Longitude of periastron (degrees)
Start-Year:	1990.0	Year
End-Year:	2060.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1910AB

Position:	012941.17+224934.4	Epoch-2000 right ascension and declination
WDS-ID:	01297+2250	WDS designation
Discoverer Code:	A1910AB	Discover designation and components
ADS number:	1183	Aitken Double Star catalog
HD number:	9071	HD catalog number
Hipparcos number:	6966	Hipparcos catalog number
V1:	7.3	Magnitude of the primary
V2:	7.9	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for A1910AB

WDS 6th Orbit including measures of A1910AB

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

Ephemeris of A1910AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.233    165.8
-------------------------
1990.0     0.083    265.7
1991.0     0.086    257.7
1992.0     0.090    250.3
1993.0     0.094    243.6
1994.0     0.098    237.4
1995.0     0.103    231.7
1996.0     0.107    226.5
1997.0     0.112    221.8
1998.0     0.118    217.4
1999.0     0.123    213.5
2000.0     0.128    209.9
2001.0     0.134    206.5
2002.0     0.139    203.5
2003.0     0.145    200.6
2004.0     0.150    198.0
2005.0     0.156    195.5
2006.0     0.161    193.3
2007.0     0.166    191.1
2008.0     0.171    189.1
2009.0     0.176    187.2
2010.0     0.181    185.4
2011.0     0.186    183.7
2012.0     0.190    182.1
2013.0     0.195    180.6
2014.0     0.199    179.1
2015.0     0.203    177.7
2016.0     0.207    176.3
2017.0     0.211    175.0
2018.0     0.215    173.8
2019.0     0.218    172.5
2020.0     0.221    171.3
2021.0     0.224    170.2
2022.0     0.227    169.1
2023.0     0.229    168.0
2024.0     0.231    166.9
2025.0     0.233    165.8
2026.0     0.235    164.8
2027.0     0.236    163.7
2028.0     0.238    162.7
2029.0     0.238    161.7
2030.0     0.239    160.7
2031.0     0.239    159.7
2032.0     0.239    158.7
2033.0     0.239    157.7
2034.0     0.238    156.7
2035.0     0.237    155.7
2036.0     0.235    154.7
2037.0     0.233    153.6
2038.0     0.230    152.5
2039.0     0.227    151.5
2040.0     0.224    150.3
2041.0     0.220    149.2
2042.0     0.215    148.0
2043.0     0.209    146.7
2044.0     0.203    145.3
2045.0     0.196    143.9
2046.0     0.188    142.4
2047.0     0.179    140.7
2048.0     0.168    138.8
2049.0     0.156    136.6
2050.0     0.142    134.0
2051.0     0.126    130.9
2052.0     0.107    126.6
2053.0     0.084    120.4
2054.0     0.056    108.4
2055.0     0.026     67.8
2056.0     0.034    334.8
2057.0     0.057    306.6
2058.0     0.069    292.2
2059.0     0.075    281.2

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.