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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:05:34

Orbital Elements for HU1090

WDS:	HU1090	WDS ID/Discoverer
P:	51.000	Orbital period (years)
a:	0.207	Semi-major axis (arcseconds)
i:	147.3	Inclination (degrees)
Ω:	69.8	Longitude of ascending node (degrees)
T:	1943.610	Epoch of periastron passage (year)
e:	0.066	Eccentricity
ω:	12.0	Longitude of periastron (degrees)
Start-Year:	2000.0	Year
End-Year:	2050.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1090

Position:	045905.14+632206.4	Epoch-2000 right ascension and declination
WDS-ID:	04591+6322	WDS designation
Discoverer Code:	HU1090	Discover designation and components
ADS number:	3552	Aitken Double Star catalog
HD number:	31337	HD catalog number
Hipparcos number:	23170	Hipparcos catalog number
V1:	9.13	Magnitude of the primary
V2:	9.37	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2003	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU1090

WDS 6th Orbit including measures of HU1090

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

Ephemeris of HU1090

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.203    212.2
-------------------------
2000.0     0.176     19.5
2001.0     0.174     11.2
2002.0     0.171      2.7
2003.0     0.170    354.0
2004.0     0.170    345.2
2005.0     0.172    336.5
2006.0     0.174    328.0
2007.0     0.177    319.8
2008.0     0.182    311.9
2009.0     0.187    304.4
2010.0     0.192    297.3
2011.0     0.197    290.6
2012.0     0.202    284.2
2013.0     0.207    278.2
2014.0     0.211    272.3
2015.0     0.215    266.7
2016.0     0.217    261.3
2017.0     0.219    256.0
2018.0     0.220    250.7
2019.0     0.220    245.5
2020.0     0.219    240.2
2021.0     0.218    234.9
2022.0     0.215    229.5
2023.0     0.212    223.9
2024.0     0.208    218.2
2025.0     0.203    212.2
2026.0     0.199    205.9
2027.0     0.194    199.3
2028.0     0.189    192.4
2029.0     0.185    185.1
2030.0     0.181    177.5
2031.0     0.178    169.7
2032.0     0.176    161.6
2033.0     0.175    153.3
2034.0     0.175    145.0
2035.0     0.176    136.8
2036.0     0.178    128.7
2037.0     0.180    120.7
2038.0     0.183    113.0
2039.0     0.186    105.5
2040.0     0.188     98.2
2041.0     0.191     91.1
2042.0     0.192     84.2
2043.0     0.193     77.4
2044.0     0.194     70.6
2045.0     0.193     63.8
2046.0     0.191     57.0
2047.0     0.189     50.0
2048.0     0.186     42.7
2049.0     0.183     35.3

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.