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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:33:31

Orbital Elements for LSC45

WDS:	LSC45	WDS ID/Discoverer
P:	40.800	Orbital period (years)
a:	0.0953	Semi-major axis (arcseconds)
i:	59.2	Inclination (degrees)
Ω:	24.6	Longitude of ascending node (degrees)
T:	2011.600	Epoch of periastron passage (year)
e:	0.092	Eccentricity
ω:	193.9	Longitude of periastron (degrees)
Start-Year:	2005.0	Year
End-Year:	2045.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LSC45

Position:	072918.58+122655.5	Epoch-2000 right ascension and declination
WDS-ID:	07293+1227	WDS designation
Discoverer Code:	LSC45	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	59179	HD catalog number
Hipparcos number:	36387	Hipparcos catalog number
V1:	8.3	Magnitude of the primary
V2:	9.7	Magnitude of the secondary
Equinox:		Equinox
Date:	2018	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for LSC45

WDS 6th Orbit including measures of LSC45

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

Ephemeris of LSC45

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.084      2.0
-------------------------
2005.0     0.066    169.6
2006.0     0.072    178.2
2007.0     0.078    185.4
2008.0     0.083    191.8
2009.0     0.086    197.5
2010.0     0.087    203.0
2011.0     0.086    208.5
2012.0     0.083    214.1
2013.0     0.079    220.3
2014.0     0.073    227.4
2015.0     0.066    235.8
2016.0     0.059    246.1
2017.0     0.053    259.1
2018.0     0.049    275.1
2019.0     0.047    293.0
2020.0     0.049    310.7
2021.0     0.054    326.1
2022.0     0.061    338.3
2023.0     0.069    348.0
2024.0     0.077    355.7
2025.0     0.084      2.0
2026.0     0.091      7.4
2027.0     0.096     12.1
2028.0     0.100     16.3
2029.0     0.102     20.3
2030.0     0.104     24.2
2031.0     0.103     28.0
2032.0     0.102     31.8
2033.0     0.099     35.9
2034.0     0.095     40.2
2035.0     0.089     45.1
2036.0     0.083     50.6
2037.0     0.076     57.1
2038.0     0.068     65.0
2039.0     0.061     74.8
2040.0     0.055     86.9
2041.0     0.051    101.5
2042.0     0.049    117.9
2043.0     0.051    134.3
2044.0     0.055    149.1

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.