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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:54:06

Orbital Elements for HU546

WDS:	HU546	WDS ID/Discoverer
P:	69.370	Orbital period (years)
a:	0.344	Semi-major axis (arcseconds)
i:	148.2	Inclination (degrees)
Ω:	264.3	Longitude of ascending node (degrees)
T:	1973.870	Epoch of periastron passage (year)
e:	0.173	Eccentricity
ω:	51.3	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 HU546

Position:	034823.00+520216.3	Epoch-2000 right ascension and declination
WDS-ID:	03484+5202	WDS designation
Discoverer Code:	HU546	Discover designation and components
ADS number:	2768	Aitken Double Star catalog
HD number:	23524	HD catalog number
Hipparcos number:	17782	Hipparcos catalog number
V1:	9.54	Magnitude of the primary
V2:	9.53	Magnitude of the secondary
Equinox:		Equinox
Date:	2007	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU546

WDS 6th Orbit including measures of HU546

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

Ephemeris of HU546

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.317    322.7
-------------------------
1991.0     0.347    101.7
1992.0     0.355     97.6
1993.0     0.361     93.5
1994.0     0.367     89.7
1995.0     0.372     85.9
1996.0     0.376     82.2
1997.0     0.380     78.7
1998.0     0.382     75.1
1999.0     0.384     71.6
2000.0     0.385     68.1
2001.0     0.385     64.7
2002.0     0.385     61.2
2003.0     0.384     57.7
2004.0     0.382     54.2
2005.0     0.380     50.7
2006.0     0.377     47.1
2007.0     0.374     43.4
2008.0     0.370     39.7
2009.0     0.366     35.9
2010.0     0.362     32.0
2011.0     0.358     28.1
2012.0     0.353     24.0
2013.0     0.349     19.8
2014.0     0.345     15.6
2015.0     0.341     11.2
2016.0     0.337      6.7
2017.0     0.333      2.1
2018.0     0.330    357.4
2019.0     0.327    352.7
2020.0     0.324    347.8
2021.0     0.322    342.9
2022.0     0.320    337.9
2023.0     0.319    332.9
2024.0     0.318    327.8
2025.0     0.317    322.7
2026.0     0.317    317.6
2027.0     0.316    312.5
2028.0     0.316    307.3
2029.0     0.315    302.2
2030.0     0.315    297.0
2031.0     0.314    291.8
2032.0     0.313    286.6
2033.0     0.311    281.3
2034.0     0.308    275.9
2035.0     0.305    270.5
2036.0     0.302    264.9
2037.0     0.297    259.1
2038.0     0.292    253.2
2039.0     0.286    247.0
2040.0     0.280    240.6
2041.0     0.273    233.9
2042.0     0.267    226.8
2043.0     0.261    219.4
2044.0     0.255    211.7
2045.0     0.251    203.7
2046.0     0.249    195.5
2047.0     0.248    187.1
2048.0     0.249    178.7
2049.0     0.251    170.5
2050.0     0.256    162.5
2051.0     0.262    154.8
2052.0     0.270    147.6
2053.0     0.279    140.7
2054.0     0.288    134.3
2055.0     0.298    128.3
2056.0     0.307    122.7
2057.0     0.317    117.4
2058.0     0.327    112.5

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.