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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:14:08

Orbital Elements for A1675

WDS:	A1675	WDS ID/Discoverer
P:	49.620	Orbital period (years)
a:	0.145	Semi-major axis (arcseconds)
i:	109.4	Inclination (degrees)
Ω:	142.6	Longitude of ascending node (degrees)
T:	1947.750	Epoch of periastron passage (year)
e:	0.568	Eccentricity
ω:	60.2	Longitude of periastron (degrees)
Start-Year:	2001.0	Year
End-Year:	2049.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1675

Position:	203106.12+154827.5	Epoch-2000 right ascension and declination
WDS-ID:	20311+1548	WDS designation
Discoverer Code:	A1675	Discover designation and components
ADS number:	13944	Aitken Double Star catalog
HD number:	195481	HD catalog number
Hipparcos number:	101223	Hipparcos catalog number
V1:	7.14	Magnitude of the primary
V2:	8.65	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1994	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for A1675

WDS 6th Orbit including measures of A1675

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

Ephemeris of A1675

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.112    284.4
-------------------------
2001.0     0.080    335.2
2002.0     0.100    330.1
2003.0     0.117    326.5
2004.0     0.131    323.8
2005.0     0.142    321.6
2006.0     0.151    319.6
2007.0     0.158    317.9
2008.0     0.163    316.3
2009.0     0.166    314.7
2010.0     0.169    313.2
2011.0     0.170    311.8
2012.0     0.170    310.4
2013.0     0.170    308.9
2014.0     0.168    307.4
2015.0     0.165    305.9
2016.0     0.162    304.4
2017.0     0.159    302.8
2018.0     0.154    301.1
2019.0     0.149    299.3
2020.0     0.144    297.3
2021.0     0.138    295.2
2022.0     0.132    292.9
2023.0     0.125    290.4
2024.0     0.118    287.6
2025.0     0.112    284.4
2026.0     0.104    280.9
2027.0     0.097    276.8
2028.0     0.091    272.0
2029.0     0.084    266.5
2030.0     0.078    260.1
2031.0     0.072    252.7
2032.0     0.068    244.2
2033.0     0.065    234.7
2034.0     0.063    224.5
2035.0     0.063    214.0
2036.0     0.065    203.7
2037.0     0.068    194.2
2038.0     0.072    185.5
2039.0     0.076    177.9
2040.0     0.080    171.0
2041.0     0.084    164.9
2042.0     0.087    159.1
2043.0     0.087    153.6
2044.0     0.083    147.9
2045.0     0.075    141.3
2046.0     0.058    131.9
2047.0     0.036    112.2
2048.0     0.022     48.5

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.