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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:36:50

Orbital Elements for STT185

WDS:	STT185	WDS ID/Discoverer
P:	58.010	Orbital period (years)
a:	0.343	Semi-major axis (arcseconds)
i:	72.5	Inclination (degrees)
Ω:	9.5	Longitude of ascending node (degrees)
T:	1944.220	Epoch of periastron passage (year)
e:	0.672	Eccentricity
ω:	240.7	Longitude of periastron (degrees)
Start-Year:	1996.0	Year
End-Year:	2054.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT185

Position:	075716.39+010737.3	Epoch-2000 right ascension and declination
WDS-ID:	07573+0108	WDS designation
Discoverer Code:	STT185	Discover designation and components
ADS number:	6483	Aitken Double Star catalog
HD number:	65123	HD catalog number
Hipparcos number:	38870	Hipparcos catalog number
V1:	7.1	Magnitude of the primary
V2:	7.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2006	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for STT185

WDS 6th Orbit including measures of STT185

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

Ephemeris of STT185

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.377     29.4
-------------------------
1996.0     0.161    161.8
1997.0     0.167    167.8
1998.0     0.170    173.5
1999.0     0.167    179.2
2000.0     0.155    185.4
2001.0     0.126    193.5
2002.0     0.076    209.8
2003.0     0.036    287.0
2004.0     0.089    345.5
2005.0     0.148    357.7
2006.0     0.199      3.2
2007.0     0.240      6.6
2008.0     0.274      9.0
2009.0     0.302     11.0
2010.0     0.325     12.7
2011.0     0.344     14.1
2012.0     0.359     15.4
2013.0     0.372     16.6
2014.0     0.381     17.8
2015.0     0.389     18.9
2016.0     0.395     19.9
2017.0     0.398     21.0
2018.0     0.400     22.0
2019.0     0.401     23.0
2020.0     0.400     24.0
2021.0     0.397     25.1
2022.0     0.394     26.1
2023.0     0.389     27.1
2024.0     0.384     28.2
2025.0     0.377     29.4
2026.0     0.370     30.5
2027.0     0.362     31.7
2028.0     0.352     33.0
2029.0     0.343     34.4
2030.0     0.332     35.8
2031.0     0.321     37.3
2032.0     0.309     38.9
2033.0     0.297     40.7
2034.0     0.285     42.6
2035.0     0.272     44.7
2036.0     0.258     47.0
2037.0     0.245     49.6
2038.0     0.231     52.5
2039.0     0.218     55.7
2040.0     0.204     59.4
2041.0     0.191     63.5
2042.0     0.178     68.3
2043.0     0.167     73.8
2044.0     0.156     80.1
2045.0     0.147     87.2
2046.0     0.139     95.1
2047.0     0.135    103.8
2048.0     0.132    113.0
2049.0     0.132    122.3
2050.0     0.135    131.4
2051.0     0.140    140.0
2052.0     0.147    148.0
2053.0     0.154    155.2

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.