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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:15:34

Orbital Elements for MCA62AA,AB

WDS:	MCA62AA,AB	WDS ID/Discoverer
P:	56.410	Orbital period (years)
a:	0.134	Semi-major axis (arcseconds)
i:	86.2	Inclination (degrees)
Ω:	93.6	Longitude of ascending node (degrees)
T:	1974.080	Epoch of periastron passage (year)
e:	0.104	Eccentricity
ω:	330.7	Longitude of periastron (degrees)
Start-Year:	1997.0	Year
End-Year:	2053.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MCA62AA,AB

Position:	204100.36+390456.4	Epoch-2000 right ascension and declination
WDS-ID:	20410+3905	WDS designation
Discoverer Code:	MCA62AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	197226	HD catalog number
Hipparcos number:	102062	Hipparcos catalog number
V1:	6.51	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1988	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for MCA62AA,AB

WDS 6th Orbit including measures of MCA62AA,AB

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

Ephemeris of MCA62AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.039     82.1
-------------------------
1997.0     0.080    267.8
1998.0     0.091    268.8
1999.0     0.102    269.6
2000.0     0.111    270.3
2001.0     0.120    270.8
2002.0     0.127    271.3
2003.0     0.133    271.8
2004.0     0.139    272.2
2005.0     0.142    272.6
2006.0     0.145    272.9
2007.0     0.146    273.3
2008.0     0.146    273.7
2009.0     0.144    274.0
2010.0     0.141    274.4
2011.0     0.136    274.8
2012.0     0.131    275.2
2013.0     0.123    275.7
2014.0     0.115    276.2
2015.0     0.105    276.8
2016.0     0.094    277.6
2017.0     0.082    278.6
2018.0     0.069    279.9
2019.0     0.055    281.9
2020.0     0.040    285.3
2021.0     0.026    292.6
2022.0     0.012    317.9
2023.0     0.011     44.4
2024.0     0.024     74.1
2025.0     0.039     82.1
2026.0     0.053     85.7
2027.0     0.067     87.8
2028.0     0.080     89.3
2029.0     0.091     90.3
2030.0     0.101     91.1
2031.0     0.109     91.8
2032.0     0.115     92.4
2033.0     0.119     93.0
2034.0     0.121     93.5
2035.0     0.122     94.0
2036.0     0.120     94.5
2037.0     0.116     95.1
2038.0     0.111     95.6
2039.0     0.104     96.3
2040.0     0.095     97.1
2041.0     0.085     98.0
2042.0     0.074     99.2
2043.0     0.062    100.8
2044.0     0.049    103.3
2045.0     0.036    107.5
2046.0     0.023    116.6
2047.0     0.012    146.2
2048.0     0.012    221.4
2049.0     0.023    250.1
2050.0     0.036    259.0
2051.0     0.050    263.2
2052.0     0.063    265.6

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.