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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:39:56

Orbital Elements for HDS3295AB

WDS:	HDS3295AB	WDS ID/Discoverer
P:	60.900	Orbital period (years)
a:	0.308	Semi-major axis (arcseconds)
i:	64.3	Inclination (degrees)
Ω:	146.1	Longitude of ascending node (degrees)
T:	1999.100	Epoch of periastron passage (year)
e:	0.227	Eccentricity
ω:	188.2	Longitude of periastron (degrees)
Start-Year:	1995.0	Year
End-Year:	2055.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3295AB

Position:	230821.10-284924.8	Epoch-2000 right ascension and declination
WDS-ID:	23084-2849	WDS designation
Discoverer Code:	HDS3295AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	218434	HD catalog number
Hipparcos number:	114254	Hipparcos catalog number
V1:	5.89	Magnitude of the primary
V2:	8.17	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS3295AB

WDS 6th Orbit including measures of HDS3295AB

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

Ephemeris of HDS3295AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.369    142.0
-------------------------
1995.0     0.221    311.9
1996.0     0.231    316.6
1997.0     0.237    320.9
1998.0     0.239    325.1
1999.0     0.237    329.3
2000.0     0.230    333.6
2001.0     0.220    338.2
2002.0     0.207    343.4
2003.0     0.191    349.4
2004.0     0.173    356.6
2005.0     0.156      5.3
2006.0     0.140     16.2
2007.0     0.128     29.4
2008.0     0.122     44.7
2009.0     0.124     60.4
2010.0     0.133     75.0
2011.0     0.147     87.2
2012.0     0.165     97.0
2013.0     0.185    104.8
2014.0     0.206    111.0
2015.0     0.227    116.1
2016.0     0.248    120.3
2017.0     0.267    123.8
2018.0     0.286    126.9
2019.0     0.303    129.7
2020.0     0.318    132.1
2021.0     0.332    134.4
2022.0     0.344    136.5
2023.0     0.354    138.4
2024.0     0.362    140.2
2025.0     0.369    142.0
2026.0     0.373    143.7
2027.0     0.376    145.4
2028.0     0.377    147.1
2029.0     0.376    148.8
2030.0     0.373    150.4
2031.0     0.369    152.2
2032.0     0.362    153.9
2033.0     0.354    155.8
2034.0     0.344    157.7
2035.0     0.333    159.8
2036.0     0.319    162.0
2037.0     0.305    164.4
2038.0     0.289    167.1
2039.0     0.272    170.1
2040.0     0.254    173.6
2041.0     0.235    177.5
2042.0     0.215    182.2
2043.0     0.196    187.8
2044.0     0.177    194.6
2045.0     0.160    203.0
2046.0     0.146    213.1
2047.0     0.135    225.2
2048.0     0.130    238.7
2049.0     0.132    252.6
2050.0     0.138    265.7
2051.0     0.150    277.2
2052.0     0.164    286.8
2053.0     0.180    294.8
2054.0     0.196    301.6

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.