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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:33:56

Orbital Elements for KR60AB

WDS:	KR60AB	WDS ID/Discoverer
P:	44.581	Orbital period (years)
a:	2.40113	Semi-major axis (arcseconds)
i:	165.701	Inclination (degrees)
Ω:	150.665	Longitude of ascending node (degrees)
T:	1970.234	Epoch of periastron passage (year)
e:	0.40847	Eccentricity
ω:	207.481	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 KR60AB

Position:	222759.20+574143.8	Epoch-2000 right ascension and declination
WDS-ID:	22280+5742	WDS designation
Discoverer Code:	KR60AB	Discover designation and components
ADS number:	15972	Aitken Double Star catalog
HD number:	239960	HD catalog number
Hipparcos number:	110893	Hipparcos catalog number
V1:	9.93	Magnitude of the primary
V2:	11.41	Magnitude of the secondary
Equinox:		Equinox
Date:	2013	Date of last observation
Orbit grade:	1	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KR60AB

WDS 6th Orbit including measures of KR60AB

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

Ephemeris of KR60AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     2.638    175.5
-------------------------
2003.0     2.758     79.9
2004.0     2.647     74.3
2005.0     2.528     68.2
2006.0     2.402     61.4
2007.0     2.269     53.8
2008.0     2.132     45.3
2009.0     1.994     35.6
2010.0     1.856     24.5
2011.0     1.725     11.6
2012.0     1.605    356.7
2013.0     1.506    339.6
2014.0     1.437    320.5
2015.0     1.409    300.1
2016.0     1.431    279.6
2017.0     1.500    260.3
2018.0     1.611    243.2
2019.0     1.748    228.5
2020.0     1.900    216.1
2021.0     2.057    205.6
2022.0     2.213    196.5
2023.0     2.364    188.7
2024.0     2.505    181.7
2025.0     2.638    175.5
2026.0     2.759    169.8
2027.0     2.869    164.6
2028.0     2.968    159.8
2029.0     3.056    155.3
2030.0     3.132    151.0
2031.0     3.198    146.9
2032.0     3.252    142.9
2033.0     3.295    139.1
2034.0     3.327    135.3
2035.0     3.349    131.6
2036.0     3.360    127.9
2037.0     3.360    124.3
2038.0     3.351    120.6
2039.0     3.331    117.0
2040.0     3.301    113.2
2041.0     3.262    109.4
2042.0     3.212    105.5
2043.0     3.152    101.4
2044.0     3.083     97.2
2045.0     3.004     92.7
2046.0     2.916     88.0

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.