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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:19:46

Orbital Elements for LSC95

WDS:	LSC95	WDS ID/Discoverer
P:	50.000	Orbital period (years)
a:	0.103	Semi-major axis (arcseconds)
i:	122.9	Inclination (degrees)
Ω:	118.9	Longitude of ascending node (degrees)
T:	2013.766	Epoch of periastron passage (year)
e:	0.326	Eccentricity
ω:	223.8	Longitude of periastron (degrees)
Start-Year:	2000.0	Year
End-Year:	2050.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LSC95

Position:	211133.20+262001.0	Epoch-2000 right ascension and declination
WDS-ID:	21116+2620	WDS designation
Discoverer Code:	LSC95	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	201860	HD catalog number
Hipparcos number:	104617	Hipparcos catalog number
V1:	9.0	Magnitude of the primary
V2:	10.1	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for LSC95

WDS 6th Orbit including measures of LSC95

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

Ephemeris of LSC95

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.104    129.3
-------------------------
2000.0     0.064     25.4
2001.0     0.063     15.7
2002.0     0.064      5.9
2003.0     0.065    356.4
2004.0     0.067    347.3
2005.0     0.070    338.9
2006.0     0.072    331.1
2007.0     0.075    323.8
2008.0     0.076    317.0
2009.0     0.077    310.4
2010.0     0.076    303.7
2011.0     0.073    296.7
2012.0     0.069    289.0
2013.0     0.062    279.9
2014.0     0.055    268.4
2015.0     0.047    253.1
2016.0     0.042    232.9
2017.0     0.041    209.4
2018.0     0.045    187.5
2019.0     0.052    170.7
2020.0     0.062    158.6
2021.0     0.072    149.7
2022.0     0.081    143.0
2023.0     0.090    137.6
2024.0     0.098    133.1
2025.0     0.104    129.3
2026.0     0.110    125.9
2027.0     0.115    122.8
2028.0     0.119    119.9
2029.0     0.122    117.2
2030.0     0.124    114.7
2031.0     0.125    112.1
2032.0     0.126    109.7
2033.0     0.126    107.2
2034.0     0.124    104.7
2035.0     0.123    102.1
2036.0     0.120     99.4
2037.0     0.118     96.7
2038.0     0.114     93.8
2039.0     0.110     90.6
2040.0     0.106     87.3
2041.0     0.101     83.6
2042.0     0.096     79.6
2043.0     0.091     75.2
2044.0     0.086     70.2
2045.0     0.081     64.6
2046.0     0.077     58.4
2047.0     0.072     51.3
2048.0     0.069     43.4
2049.0     0.066     34.7

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.