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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:41:58

Orbital Elements for HDS3342

WDS:	HDS3342	WDS ID/Discoverer
P:	47.810	Orbital period (years)
a:	0.118	Semi-major axis (arcseconds)
i:	128.5	Inclination (degrees)
Ω:	125.9	Longitude of ascending node (degrees)
T:	2014.875	Epoch of periastron passage (year)
e:	0.363	Eccentricity
ω:	156.4	Longitude of periastron (degrees)
Start-Year:	2002.0	Year
End-Year:	2048.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3342

Position:	232834.60-382035.2	Epoch-2000 right ascension and declination
WDS-ID:	23286-3821	WDS designation
Discoverer Code:	HDS3342	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	220992	HD catalog number
Hipparcos number:	115876	Hipparcos catalog number
V1:	9.22	Magnitude of the primary
V2:	10.92	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS3342

WDS 6th Orbit including measures of HDS3342

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

Ephemeris of HDS3342

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.077    209.5
-------------------------
2002.0     0.130    111.2
2003.0     0.123    107.3
2004.0     0.114    103.0
2005.0     0.105     97.9
2006.0     0.095     91.8
2007.0     0.085     84.3
2008.0     0.075     74.7
2009.0     0.065     62.1
2010.0     0.058     45.9
2011.0     0.055     26.5
2012.0     0.055      6.1
2013.0     0.060    347.7
2014.0     0.066    332.4
2015.0     0.072    319.6
2016.0     0.076    308.6
2017.0     0.078    298.4
2018.0     0.078    288.5
2019.0     0.076    278.2
2020.0     0.074    267.4
2021.0     0.072    256.0
2022.0     0.071    244.1
2023.0     0.071    232.0
2024.0     0.073    220.4
2025.0     0.077    209.5
2026.0     0.082    199.9
2027.0     0.088    191.4
2028.0     0.094    184.0
2029.0     0.101    177.6
2030.0     0.108    172.0
2031.0     0.115    167.1
2032.0     0.121    162.7
2033.0     0.127    158.8
2034.0     0.133    155.2
2035.0     0.138    151.9
2036.0     0.143    148.8
2037.0     0.147    145.9
2038.0     0.151    143.2
2039.0     0.153    140.5
2040.0     0.155    138.0
2041.0     0.156    135.5
2042.0     0.157    133.0
2043.0     0.156    130.5
2044.0     0.155    128.0
2045.0     0.153    125.5
2046.0     0.150    122.8
2047.0     0.146    120.1

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.