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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:36:53

Orbital Elements for HDS3241

WDS:	HDS3241	WDS ID/Discoverer
P:	92.500	Orbital period (years)
a:	0.235	Semi-major axis (arcseconds)
i:	52.6	Inclination (degrees)
Ω:	144.9	Longitude of ascending node (degrees)
T:	2005.600	Epoch of periastron passage (year)
e:	0.703	Eccentricity
ω:	348.7	Longitude of periastron (degrees)
Start-Year:	1979.0	Year
End-Year:	2071.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3241

Position:	224917.31+151632.6	Epoch-2000 right ascension and declination
WDS-ID:	22493+1517	WDS designation
Discoverer Code:	HDS3241	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	216027	HD catalog number
Hipparcos number:	112695	Hipparcos catalog number
V1:	8.69	Magnitude of the primary
V2:	11.03	Magnitude of the secondary
Equinox:		Equinox
Date:	2018	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS3241

WDS 6th Orbit including measures of HDS3241

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

Ephemeris of HDS3241

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.252    295.9
-------------------------
1979.0     0.345    330.6
1980.0     0.338    331.4
1981.0     0.331    332.2
1982.0     0.324    333.1
1983.0     0.316    334.0
1984.0     0.308    334.9
1985.0     0.299    335.9
1986.0     0.290    337.0
1987.0     0.280    338.1
1988.0     0.269    339.4
1989.0     0.258    340.7
1990.0     0.247    342.2
1991.0     0.234    343.8
1992.0     0.222    345.6
1993.0     0.208    347.6
1994.0     0.194    349.9
1995.0     0.179    352.6
1996.0     0.163    355.7
1997.0     0.147    359.6
1998.0     0.130      4.5
1999.0     0.113     10.8
2000.0     0.095     19.4
2001.0     0.079     31.8
2002.0     0.066     49.8
2003.0     0.059     74.4
2004.0     0.059    101.7
2005.0     0.066    125.7
2006.0     0.070    145.6
2007.0     0.071    163.9
2008.0     0.070    182.4
2009.0     0.071    201.0
2010.0     0.075    218.6
2011.0     0.083    233.6
2012.0     0.093    245.7
2013.0     0.105    255.2
2014.0     0.118    262.7
2015.0     0.131    268.7
2016.0     0.145    273.6
2017.0     0.158    277.6
2018.0     0.171    281.1
2019.0     0.184    284.0
2020.0     0.196    286.6
2021.0     0.208    288.9
2022.0     0.220    290.9
2023.0     0.231    292.7
2024.0     0.242    294.4
2025.0     0.252    295.9
2026.0     0.262    297.3
2027.0     0.272    298.6
2028.0     0.281    299.8
2029.0     0.290    301.0
2030.0     0.298    302.0
2031.0     0.306    303.0
2032.0     0.314    304.0
2033.0     0.321    304.9
2034.0     0.328    305.8
2035.0     0.335    306.7
2036.0     0.341    307.5
2037.0     0.347    308.3
2038.0     0.353    309.0
2039.0     0.358    309.7
2040.0     0.363    310.5
2041.0     0.367    311.2
2042.0     0.371    311.8
2043.0     0.375    312.5
2044.0     0.379    313.2
2045.0     0.382    313.8
2046.0     0.385    314.4
2047.0     0.388    315.1
2048.0     0.390    315.7
2049.0     0.392    316.3
2050.0     0.393    316.9
2051.0     0.395    317.5
2052.0     0.395    318.1
2053.0     0.396    318.7
2054.0     0.396    319.3
2055.0     0.396    319.8
2056.0     0.396    320.4
2057.0     0.395    321.0
2058.0     0.394    321.6
2059.0     0.393    322.2
2060.0     0.391    322.8
2061.0     0.389    323.4
2062.0     0.386    324.1
2063.0     0.384    324.7
2064.0     0.381    325.3
2065.0     0.377    326.0
2066.0     0.373    326.6
2067.0     0.369    327.3
2068.0     0.364    328.0
2069.0     0.359    328.7
2070.0     0.354    329.4

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.