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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:54:02

Orbital Elements for KUI13BC

WDS:	KUI13BC	WDS ID/Discoverer
P:	44.210	Orbital period (years)
a:	0.44	Semi-major axis (arcseconds)
i:	152.8	Inclination (degrees)
Ω:	46.2	Longitude of ascending node (degrees)
T:	1982.060	Epoch of periastron passage (year)
e:	0.55	Eccentricity
ω:	17.0	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 KUI13BC

Position:	034801.85+684040.1	Epoch-2000 right ascension and declination
WDS-ID:	03480+6840	WDS designation
Discoverer Code:	KUI13BC	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	23189	HD catalog number
Hipparcos number:	17750	Hipparcos catalog number
V1:	10.66	Magnitude of the primary
V2:	11.16	Magnitude of the secondary
Equinox:	1950	Equinox
Date:	1982	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KUI13BC

WDS 6th Orbit including measures of KUI13BC

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

Ephemeris of KUI13BC

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.213     67.1
-------------------------
2003.0     0.677    214.0
2004.0     0.676    211.4
2005.0     0.673    208.8
2006.0     0.668    206.2
2007.0     0.661    203.6
2008.0     0.651    200.9
2009.0     0.640    198.1
2010.0     0.625    195.1
2011.0     0.609    192.1
2012.0     0.590    188.8
2013.0     0.569    185.3
2014.0     0.546    181.6
2015.0     0.521    177.5
2016.0     0.493    172.9
2017.0     0.463    167.8
2018.0     0.432    161.9
2019.0     0.398    155.1
2020.0     0.364    147.0
2021.0     0.329    137.3
2022.0     0.294    125.1
2023.0     0.262    109.9
2024.0     0.234     90.7
2025.0     0.213     67.1
2026.0     0.198     39.1
2027.0     0.195      8.5
2028.0     0.208    339.1
2029.0     0.237    315.1
2030.0     0.276    297.1
2031.0     0.319    283.8
2032.0     0.362    273.7
2033.0     0.403    265.7
2034.0     0.442    259.1
2035.0     0.477    253.6
2036.0     0.509    248.8
2037.0     0.538    244.5
2038.0     0.564    240.6
2039.0     0.587    237.1
2040.0     0.608    233.8
2041.0     0.625    230.7
2042.0     0.640    227.8
2043.0     0.652    225.0
2044.0     0.662    222.3
2045.0     0.669    219.7
2046.0     0.674    217.1

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.