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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:34:40

Orbital Elements for HU1320

WDS:	HU1320	WDS ID/Discoverer
P:	62.600	Orbital period (years)
a:	0.21	Semi-major axis (arcseconds)
i:	28.0	Inclination (degrees)
Ω:	5.3	Longitude of ascending node (degrees)
T:	1956.550	Epoch of periastron passage (year)
e:	0.62	Eccentricity
ω:	132.0	Longitude of periastron (degrees)
Start-Year:	1994.0	Year
End-Year:	2056.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1320

Position:	223253.69+492314.7	Epoch-2000 right ascension and declination
WDS-ID:	22329+4923	WDS designation
Discoverer Code:	HU1320	Discover designation and components
ADS number:	16046	Aitken Double Star catalog
HD number:	213776	HD catalog number
Hipparcos number:	111303	Hipparcos catalog number
V1:	8.62	Magnitude of the primary
V2:	8.51	Magnitude of the secondary
Equinox:	1950	Equinox
Date:	1970	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU1320

WDS 6th Orbit including measures of HU1320

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

Ephemeris of HU1320

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.144    240.8
-------------------------
1994.0     0.317    331.4
1995.0     0.315    333.2
1996.0     0.312    335.0
1997.0     0.309    336.8
1998.0     0.305    338.7
1999.0     0.301    340.6
2000.0     0.296    342.5
2001.0     0.291    344.6
2002.0     0.284    346.7
2003.0     0.277    348.9
2004.0     0.270    351.3
2005.0     0.261    353.8
2006.0     0.252    356.5
2007.0     0.242    359.3
2008.0     0.231      2.5
2009.0     0.219      6.0
2010.0     0.206      9.9
2011.0     0.191     14.3
2012.0     0.176     19.5
2013.0     0.159     25.8
2014.0     0.142     33.6
2015.0     0.123     43.7
2016.0     0.104     57.4
2017.0     0.087     76.9
2018.0     0.076    104.0
2019.0     0.074    136.1
2020.0     0.082    165.5
2021.0     0.093    188.7
2022.0     0.106    206.4
2023.0     0.119    220.3
2024.0     0.132    231.5
2025.0     0.144    240.8
2026.0     0.156    248.6
2027.0     0.168    255.2
2028.0     0.179    261.1
2029.0     0.190    266.2
2030.0     0.201    270.8
2031.0     0.211    275.0
2032.0     0.221    278.8
2033.0     0.230    282.2
2034.0     0.238    285.4
2035.0     0.247    288.4
2036.0     0.255    291.2
2037.0     0.262    293.8
2038.0     0.269    296.3
2039.0     0.276    298.7
2040.0     0.282    301.0
2041.0     0.287    303.1
2042.0     0.293    305.2
2043.0     0.297    307.2
2044.0     0.302    309.2
2045.0     0.306    311.1
2046.0     0.309    313.0
2047.0     0.312    314.8
2048.0     0.315    316.6
2049.0     0.317    318.3
2050.0     0.318    320.1
2051.0     0.319    321.8
2052.0     0.320    323.5
2053.0     0.320    325.2
2054.0     0.320    327.0
2055.0     0.319    328.7

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.