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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:41:31

Orbital Elements for HU295

WDS:	HU295	WDS ID/Discoverer
P:	64.330	Orbital period (years)
a:	0.406	Semi-major axis (arcseconds)
i:	77.8	Inclination (degrees)
Ω:	276.3	Longitude of ascending node (degrees)
T:	2006.960	Epoch of periastron passage (year)
e:	0.148	Eccentricity
ω:	1.6	Longitude of periastron (degrees)
Start-Year:	1993.0	Year
End-Year:	2057.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU295

Position:	232239.10-150221.8	Epoch-2000 right ascension and declination
WDS-ID:	23227-1502	WDS designation
Discoverer Code:	HU295	Discover designation and components
ADS number:	16708	Aitken Double Star catalog
HD number:	220278	HD catalog number
Hipparcos number:	115404	Hipparcos catalog number
V1:	5.59	Magnitude of the primary
V2:	6.72	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU295

WDS 6th Orbit including measures of HU295

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

Ephemeris of HU295

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.218     75.0
-------------------------
1993.0     0.088    170.1
1994.0     0.085    196.6
1995.0     0.098    220.2
1996.0     0.123    236.3
1997.0     0.152    246.7
1998.0     0.183    253.7
1999.0     0.213    258.6
2000.0     0.242    262.3
2001.0     0.269    265.3
2002.0     0.292    267.7
2003.0     0.312    269.8
2004.0     0.328    271.7
2005.0     0.339    273.4
2006.0     0.345    275.1
2007.0     0.346    276.7
2008.0     0.342    278.3
2009.0     0.333    280.0
2010.0     0.319    281.8
2011.0     0.301    283.8
2012.0     0.279    286.1
2013.0     0.254    288.8
2014.0     0.225    292.2
2015.0     0.195    296.6
2016.0     0.164    302.6
2017.0     0.133    311.4
2018.0     0.106    325.1
2019.0     0.088    346.3
2020.0     0.084     13.2
2021.0     0.098     37.1
2022.0     0.123     53.2
2023.0     0.153     63.4
2024.0     0.185     70.2
2025.0     0.218     75.0
2026.0     0.249     78.5
2027.0     0.279     81.3
2028.0     0.308     83.5
2029.0     0.335     85.4
2030.0     0.359     87.0
2031.0     0.382     88.4
2032.0     0.402     89.7
2033.0     0.419     90.8
2034.0     0.434     91.9
2035.0     0.446     92.9
2036.0     0.455     93.8
2037.0     0.461     94.7
2038.0     0.465     95.6
2039.0     0.466     96.5
2040.0     0.464     97.4
2041.0     0.459     98.3
2042.0     0.452     99.3
2043.0     0.441    100.2
2044.0     0.428    101.2
2045.0     0.413    102.3
2046.0     0.394    103.5
2047.0     0.374    104.8
2048.0     0.351    106.3
2049.0     0.325    108.0
2050.0     0.298    110.0
2051.0     0.269    112.4
2052.0     0.238    115.4
2053.0     0.207    119.3
2054.0     0.175    124.6
2055.0     0.144    132.3
2056.0     0.115    144.0

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.