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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:25:12

Orbital Elements for KON1

WDS:	KON1	WDS ID/Discoverer
P:	45.000	Orbital period (years)
a:	0.412	Semi-major axis (arcseconds)
i:	95.0	Inclination (degrees)
Ω:	172.0	Longitude of ascending node (degrees)
T:	1987.448	Epoch of periastron passage (year)
e:	0.82	Eccentricity
ω:	180.0	Longitude of periastron (degrees)
Start-Year:	2003.0	Year
End-Year:	2047.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for KON1

Position:	143900.21+641729.9	Epoch-2000 right ascension and declination
WDS-ID:	14390+6417	WDS designation
Discoverer Code:	KON1	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	129333	HD catalog number
Hipparcos number:	71631	Hipparcos catalog number
V1:	6.0 k	Magnitude of the primary
V2:	8.9 k	Magnitude of the secondary
Equinox:		Equinox
Date:	2002	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KON1

WDS 6th Orbit including measures of KON1

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

Ephemeris of KON1

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.445    169.4
-------------------------
2003.0     0.690    172.9
2004.0     0.706    172.7
2005.0     0.720    172.6
2006.0     0.731    172.5
2007.0     0.739    172.4
2008.0     0.745    172.2
2009.0     0.749    172.1
2010.0     0.750    172.0
2011.0     0.748    171.9
2012.0     0.745    171.8
2013.0     0.739    171.6
2014.0     0.730    171.5
2015.0     0.719    171.4
2016.0     0.705    171.2
2017.0     0.688    171.1
2018.0     0.669    171.0
2019.0     0.647    170.8
2020.0     0.622    170.6
2021.0     0.594    170.4
2022.0     0.562    170.2
2023.0     0.527    170.0
2024.0     0.488    169.8
2025.0     0.445    169.4
2026.0     0.396    169.1
2027.0     0.343    168.6
2028.0     0.282    167.9
2029.0     0.214    166.7
2030.0     0.136    164.4
2031.0     0.046    153.9
2032.0     0.053    359.0
2033.0     0.045    342.0
2034.0     0.056    187.4
2035.0     0.145    179.2
2036.0     0.221    177.1
2037.0     0.289    176.1
2038.0     0.348    175.4
2039.0     0.402    174.9
2040.0     0.449    174.5
2041.0     0.492    174.2
2042.0     0.531    174.0
2043.0     0.566    173.7
2044.0     0.597    173.5
2045.0     0.625    173.4
2046.0     0.650    173.2

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.