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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:42:33

Orbital Elements for SEE315

WDS:	SEE315	WDS ID/Discoverer
P:	38.730	Orbital period (years)
a:	0.186	Semi-major axis (arcseconds)
i:	39.4	Inclination (degrees)
Ω:	243.9	Longitude of ascending node (degrees)
T:	1984.630	Epoch of periastron passage (year)
e:	0.154	Eccentricity
ω:	102.4	Longitude of periastron (degrees)
Start-Year:	2006.0	Year
End-Year:	2044.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SEE315

Position:	165852.25-373713.5	Epoch-2000 right ascension and declination
WDS-ID:	16589-3737	WDS designation
Discoverer Code:	SEE315	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	152072	HD catalog number
Hipparcos number:	83100	Hipparcos catalog number
V1:	6.54	Magnitude of the primary
V2:	7.32	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for SEE315

WDS 6th Orbit including measures of SEE315

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

Ephemeris of SEE315

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.135     14.3
-------------------------
2006.0     0.176    186.5
2007.0     0.180    194.3
2008.0     0.184    201.7
2009.0     0.188    208.8
2010.0     0.191    215.6
2011.0     0.193    222.3
2012.0     0.193    228.9
2013.0     0.192    235.5
2014.0     0.189    242.3
2015.0     0.184    249.3
2016.0     0.177    256.9
2017.0     0.168    265.2
2018.0     0.157    274.5
2019.0     0.146    285.1
2020.0     0.136    297.5
2021.0     0.128    311.7
2022.0     0.123    327.5
2023.0     0.122    343.9
2024.0     0.127    359.8
2025.0     0.135     14.3
2026.0     0.144     26.9
2027.0     0.154     38.0
2028.0     0.163     47.7
2029.0     0.171     56.5
2030.0     0.176     64.6
2031.0     0.180     72.4
2032.0     0.181     79.9
2033.0     0.181     87.4
2034.0     0.179     95.0
2035.0     0.177    102.8
2036.0     0.174    110.8
2037.0     0.170    119.1
2038.0     0.168    127.7
2039.0     0.166    136.5
2040.0     0.165    145.5
2041.0     0.165    154.5
2042.0     0.167    163.4
2043.0     0.169    172.2

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.