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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:24:02

Orbital Elements for MCA25

WDS:	MCA25	WDS ID/Discoverer
P:	43.450	Orbital period (years)
a:	0.109	Semi-major axis (arcseconds)
i:	62.0	Inclination (degrees)
Ω:	3.5	Longitude of ascending node (degrees)
T:	2001.510	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	0.3	Longitude of periastron (degrees)
Start-Year:	2004.0	Year
End-Year:	2046.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MCA25

Position:	060720.02+264055.8	Epoch-2000 right ascension and declination
WDS-ID:	06073+2641	WDS designation
Discoverer Code:	MCA25	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	41600	HD catalog number
Hipparcos number:	29014	Hipparcos catalog number
V1:	7.0	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1995	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for MCA25

WDS 6th Orbit including measures of MCA25

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

Ephemeris of MCA25

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.106    190.6
-------------------------
2004.0     0.103     13.7
2005.0     0.098     18.2
2006.0     0.092     23.3
2007.0     0.084     29.3
2008.0     0.076     36.4
2009.0     0.068     45.4
2010.0     0.060     56.7
2011.0     0.054     70.9
2012.0     0.051     87.6
2013.0     0.052    105.1
2014.0     0.056    121.1
2015.0     0.063    134.3
2016.0     0.071    144.8
2017.0     0.079    153.1
2018.0     0.087    159.8
2019.0     0.094    165.4
2020.0     0.100    170.3
2021.0     0.105    174.7
2022.0     0.108    178.8
2023.0     0.109    182.7
2024.0     0.108    186.6
2025.0     0.106    190.6
2026.0     0.102    194.9
2027.0     0.097    199.5
2028.0     0.090    204.8
2029.0     0.082    211.1
2030.0     0.074    218.7
2031.0     0.066    228.2
2032.0     0.058    240.3
2033.0     0.053    255.3
2034.0     0.051    272.4
2035.0     0.053    289.7
2036.0     0.058    305.0
2037.0     0.065    317.4
2038.0     0.073    327.3
2039.0     0.081    335.1
2040.0     0.089    341.4
2041.0     0.096    346.8
2042.0     0.102    351.6
2043.0     0.106    355.9
2044.0     0.108    359.9
2045.0     0.109      3.8

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.