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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:18:11

Orbital Elements for KUI102

WDS:	KUI102	WDS ID/Discoverer
P:	58.400	Orbital period (years)
a:	0.295	Semi-major axis (arcseconds)
i:	130.8	Inclination (degrees)
Ω:	192.0	Longitude of ascending node (degrees)
T:	1959.090	Epoch of periastron passage (year)
e:	0.295	Eccentricity
ω:	318.1	Longitude of periastron (degrees)
Start-Year:	1996.0	Year
End-Year:	2054.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for KUI102

Position:	210003.95+073058.2	Epoch-2000 right ascension and declination
WDS-ID:	21001+0731	WDS designation
Discoverer Code:	KUI102	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	199942	HD catalog number
Hipparcos number:	103652	Hipparcos catalog number
V1:	6.23	Magnitude of the primary
V2:	8.13	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2006	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KUI102

WDS 6th Orbit including measures of KUI102

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

Ephemeris of KUI102

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.227    167.1
-------------------------
1996.0     0.358     21.2
1997.0     0.356     18.6
1998.0     0.353     15.9
1999.0     0.348     13.2
2000.0     0.341     10.4
2001.0     0.333      7.4
2002.0     0.323      4.3
2003.0     0.311      1.0
2004.0     0.297    357.4
2005.0     0.282    353.4
2006.0     0.265    348.9
2007.0     0.247    343.8
2008.0     0.228    337.9
2009.0     0.209    330.8
2010.0     0.189    322.4
2011.0     0.172    312.1
2012.0     0.157    299.6
2013.0     0.148    285.2
2014.0     0.145    269.5
2015.0     0.150    254.0
2016.0     0.159    239.9
2017.0     0.173    227.7
2018.0     0.187    217.3
2019.0     0.200    208.3
2020.0     0.211    200.4
2021.0     0.220    193.2
2022.0     0.225    186.4
2023.0     0.228    179.9
2024.0     0.229    173.5
2025.0     0.227    167.1
2026.0     0.225    160.5
2027.0     0.221    153.8
2028.0     0.218    146.9
2029.0     0.215    139.7
2030.0     0.213    132.4
2031.0     0.212    125.0
2032.0     0.213    117.5
2033.0     0.215    110.2
2034.0     0.218    103.0
2035.0     0.224     96.2
2036.0     0.230     89.7
2037.0     0.238     83.6
2038.0     0.247     77.9
2039.0     0.256     72.6
2040.0     0.266     67.7
2041.0     0.276     63.1
2042.0     0.287     58.9
2043.0     0.297     55.0
2044.0     0.306     51.3
2045.0     0.315     47.8
2046.0     0.324     44.5
2047.0     0.332     41.4
2048.0     0.339     38.5
2049.0     0.345     35.6
2050.0     0.350     32.8
2051.0     0.354     30.1
2052.0     0.357     27.5
2053.0     0.358     24.9

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.