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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:02:23

Orbital Elements for HU610

WDS:	HU610	WDS ID/Discoverer
P:	59.250	Orbital period (years)
a:	0.176	Semi-major axis (arcseconds)
i:	46.2	Inclination (degrees)
Ω:	98.1	Longitude of ascending node (degrees)
T:	2004.710	Epoch of periastron passage (year)
e:	0.383	Eccentricity
ω:	146.8	Longitude of periastron (degrees)
Start-Year:	1996.0	Year
End-Year:	2054.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU610

Position:	043624.76+341233.3	Epoch-2000 right ascension and declination
WDS-ID:	04364+3413	WDS designation
Discoverer Code:	HU610	Discover designation and components
ADS number:	3323	Aitken Double Star catalog
HD number:	280026	HD catalog number
Hipparcos number:	21454	Hipparcos catalog number
V1:	10.21	Magnitude of the primary
V2:	9.96	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2004	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU610

WDS 6th Orbit including measures of HU610

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

Ephemeris of HU610

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.174     45.7
-------------------------
1996.0     0.131    137.5
1997.0     0.119    145.2
1998.0     0.107    154.7
1999.0     0.097    166.3
2000.0     0.089    180.5
2001.0     0.084    196.7
2002.0     0.084    213.9
2003.0     0.088    230.2
2004.0     0.095    244.7
2005.0     0.102    257.2
2006.0     0.108    268.0
2007.0     0.114    277.8
2008.0     0.117    286.8
2009.0     0.119    295.4
2010.0     0.120    303.9
2011.0     0.120    312.3
2012.0     0.120    320.7
2013.0     0.120    329.1
2014.0     0.121    337.4
2015.0     0.122    345.6
2016.0     0.124    353.6
2017.0     0.128      1.2
2018.0     0.132      8.3
2019.0     0.137     15.0
2020.0     0.142     21.2
2021.0     0.148     27.0
2022.0     0.154     32.2
2023.0     0.161     37.1
2024.0     0.168     41.5
2025.0     0.174     45.7
2026.0     0.181     49.5
2027.0     0.187     53.0
2028.0     0.193     56.3
2029.0     0.199     59.5
2030.0     0.205     62.4
2031.0     0.210     65.2
2032.0     0.215     67.9
2033.0     0.219     70.5
2034.0     0.222     72.9
2035.0     0.226     75.3
2036.0     0.228     77.7
2037.0     0.230     79.9
2038.0     0.231     82.2
2039.0     0.232     84.4
2040.0     0.232     86.7
2041.0     0.231     88.9
2042.0     0.230     91.2
2043.0     0.228     93.5
2044.0     0.225     95.8
2045.0     0.221     98.2
2046.0     0.216    100.8
2047.0     0.210    103.4
2048.0     0.204    106.2
2049.0     0.197    109.2
2050.0     0.188    112.5
2051.0     0.179    116.0
2052.0     0.169    120.0
2053.0     0.158    124.5

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.