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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:55:01

Orbital Elements for A1293AB

WDS:	A1293AB	WDS ID/Discoverer
P:	56.390	Orbital period (years)
a:	0.282	Semi-major axis (arcseconds)
i:	47.25	Inclination (degrees)
Ω:	36.83	Longitude of ascending node (degrees)
T:	1955.500	Epoch of periastron passage (year)
e:	0.67	Eccentricity
ω:	50.07	Longitude of periastron (degrees)
Start-Year:	1997.0	Year
End-Year:	2053.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1293AB

Position:	035343.60+531622.9	Epoch-2000 right ascension and declination
WDS-ID:	03537+5316	WDS designation
Discoverer Code:	A1293AB	Discover designation and components
ADS number:	2828	Aitken Double Star catalog
HD number:	24203	HD catalog number
Hipparcos number:	18218	Hipparcos catalog number
V1:	8.62	Magnitude of the primary
V2:	9.46	Magnitude of the secondary
Equinox:		Equinox
Date:	1986	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for A1293AB

WDS 6th Orbit including measures of A1293AB

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

Ephemeris of A1293AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.358    230.7
-------------------------
1997.0     0.277    286.0
1998.0     0.265    289.5
1999.0     0.253    293.4
2000.0     0.240    297.6
2001.0     0.228    302.2
2002.0     0.216    307.5
2003.0     0.203    313.3
2004.0     0.191    319.9
2005.0     0.180    327.3
2006.0     0.168    335.8
2007.0     0.158    345.4
2008.0     0.147    356.5
2009.0     0.135      9.4
2010.0     0.120     25.0
2011.0     0.100     46.1
2012.0     0.075     80.8
2013.0     0.072    133.4
2014.0     0.102    170.0
2015.0     0.140    188.1
2016.0     0.175    198.5
2017.0     0.207    205.5
2018.0     0.236    210.7
2019.0     0.261    214.9
2020.0     0.282    218.4
2021.0     0.302    221.4
2022.0     0.319    224.0
2023.0     0.334    226.4
2024.0     0.347    228.6
2025.0     0.358    230.7
2026.0     0.368    232.6
2027.0     0.376    234.5
2028.0     0.383    236.3
2029.0     0.389    238.0
2030.0     0.394    239.6
2031.0     0.398    241.3
2032.0     0.400    242.9
2033.0     0.402    244.5
2034.0     0.403    246.1
2035.0     0.402    247.6
2036.0     0.401    249.2
2037.0     0.400    250.8
2038.0     0.397    252.4
2039.0     0.394    254.1
2040.0     0.390    255.7
2041.0     0.385    257.4
2042.0     0.379    259.2
2043.0     0.373    261.0
2044.0     0.366    262.9
2045.0     0.359    264.8
2046.0     0.351    266.8
2047.0     0.343    269.0
2048.0     0.334    271.2
2049.0     0.324    273.6
2050.0     0.314    276.1
2051.0     0.303    278.8
2052.0     0.292    281.6

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.