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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:23:44

Orbital Elements for COU1757

WDS:	COU1757	WDS ID/Discoverer
P:	49.560	Orbital period (years)
a:	0.193	Semi-major axis (arcseconds)
i:	45.8	Inclination (degrees)
Ω:	346.2	Longitude of ascending node (degrees)
T:	2054.370	Epoch of periastron passage (year)
e:	0.334	Eccentricity
ω:	346.4	Longitude of periastron (degrees)
Start-Year:	2001.0	Year
End-Year:	2049.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1757

Position:	142602.35+421305.1	Epoch-2000 right ascension and declination
WDS-ID:	14260+4213	WDS designation
Discoverer Code:	COU1757	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	126719	HD catalog number
Hipparcos number:	70564	Hipparcos catalog number
V1:	9.60	Magnitude of the primary
V2:	9.97	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2010	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for COU1757

WDS 6th Orbit including measures of COU1757

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

Ephemeris of COU1757

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.233    143.0
-------------------------
2001.0     0.107    286.2
2002.0     0.111    301.2
2003.0     0.117    315.0
2004.0     0.123    327.4
2005.0     0.127    338.7
2006.0     0.130    349.4
2007.0     0.130    359.9
2008.0     0.128     10.5
2009.0     0.126     21.5
2010.0     0.123     33.0
2011.0     0.122     44.8
2012.0     0.123     56.7
2013.0     0.126     68.2
2014.0     0.131     79.0
2015.0     0.139     88.8
2016.0     0.148     97.5
2017.0     0.157    105.1
2018.0     0.168    111.9
2019.0     0.178    117.8
2020.0     0.189    123.1
2021.0     0.199    127.8
2022.0     0.209    132.1
2023.0     0.217    136.0
2024.0     0.226    139.6
2025.0     0.233    143.0
2026.0     0.239    146.2
2027.0     0.245    149.2
2028.0     0.249    152.2
2029.0     0.252    155.0
2030.0     0.255    157.8
2031.0     0.256    160.5
2032.0     0.255    163.2
2033.0     0.254    165.9
2034.0     0.252    168.7
2035.0     0.248    171.6
2036.0     0.243    174.5
2037.0     0.237    177.6
2038.0     0.229    180.9
2039.0     0.221    184.4
2040.0     0.211    188.2
2041.0     0.200    192.4
2042.0     0.188    197.2
2043.0     0.176    202.5
2044.0     0.163    208.8
2045.0     0.149    216.1
2046.0     0.136    224.8
2047.0     0.125    235.3
2048.0     0.115    247.8

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.