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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:44:12

Orbital Elements for HU1562

WDS:	HU1562	WDS ID/Discoverer
P:	67.620	Orbital period (years)
a:	0.2588	Semi-major axis (arcseconds)
i:	128.9	Inclination (degrees)
Ω:	49.1	Longitude of ascending node (degrees)
T:	2019.940	Epoch of periastron passage (year)
e:	0.95	Eccentricity
ω:	168.9	Longitude of periastron (degrees)
Start-Year:	1992.0	Year
End-Year:	2058.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1562

Position:	025142.71-523334.2	Epoch-2000 right ascension and declination
WDS-ID:	02517-5234	WDS designation
Discoverer Code:	HU1562	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	18025	HD catalog number
Hipparcos number:	13341	Hipparcos catalog number
V1:	8.79	Magnitude of the primary
V2:	9.71	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HU1562

WDS 6th Orbit including measures of HU1562

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

Ephemeris of HU1562

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.199     70.9
-------------------------
1992.0     0.492     54.5
1993.0     0.488     54.2
1994.0     0.485     53.9
1995.0     0.480     53.6
1996.0     0.475     53.3
1997.0     0.469     53.0
1998.0     0.463     52.6
1999.0     0.456     52.3
2000.0     0.448     52.0
2001.0     0.440     51.6
2002.0     0.430     51.2
2003.0     0.420     50.8
2004.0     0.409     50.4
2005.0     0.398     50.0
2006.0     0.385     49.6
2007.0     0.371     49.1
2008.0     0.357     48.5
2009.0     0.341     48.0
2010.0     0.324     47.3
2011.0     0.305     46.6
2012.0     0.285     45.8
2013.0     0.264     44.9
2014.0     0.240     43.8
2015.0     0.213     42.4
2016.0     0.184     40.7
2017.0     0.151     38.1
2018.0     0.111     34.0
2019.0     0.062     24.2
2020.0     0.013    212.0
2021.0     0.059     92.2
2022.0     0.102     80.8
2023.0     0.139     75.9
2024.0     0.170     72.9
2025.0     0.199     70.9
2026.0     0.224     69.3
2027.0     0.248     68.1
2028.0     0.270     67.0
2029.0     0.290     66.1
2030.0     0.308     65.3
2031.0     0.326     64.6
2032.0     0.342     64.0
2033.0     0.357     63.4
2034.0     0.371     62.9
2035.0     0.384     62.4
2036.0     0.396     62.0
2037.0     0.408     61.5
2038.0     0.418     61.1
2039.0     0.428     60.7
2040.0     0.437     60.4
2041.0     0.446     60.0
2042.0     0.454     59.7
2043.0     0.461     59.3
2044.0     0.467     59.0
2045.0     0.473     58.7
2046.0     0.478     58.4
2047.0     0.483     58.1
2048.0     0.487     57.8
2049.0     0.490     57.5
2050.0     0.493     57.2
2051.0     0.496     56.9
2052.0     0.497     56.6
2053.0     0.498     56.3
2054.0     0.499     56.1
2055.0     0.499     55.8
2056.0     0.499     55.5
2057.0     0.497     55.2

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.