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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:14:40

Orbital Elements for B1946

WDS:	B1946	WDS ID/Discoverer
P:	64.400	Orbital period (years)
a:	0.116	Semi-major axis (arcseconds)
i:	24.2	Inclination (degrees)
Ω:	138.1	Longitude of ascending node (degrees)
T:	2022.540	Epoch of periastron passage (year)
e:	0.84	Eccentricity
ω:	43.9	Longitude of periastron (degrees)
Start-Year:	1993.0	Year
End-Year:	2057.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B1946

Position:	053003.31-322749.6	Epoch-2000 right ascension and declination
WDS-ID:	05301-3228	WDS designation
Discoverer Code:	B1946	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	36399	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.2	Magnitude of the primary
V2:	9.4	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for B1946

WDS 6th Orbit including measures of B1946

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

Ephemeris of B1946

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.055    300.5
-------------------------
1993.0     0.203      1.8
1994.0     0.202      2.7
1995.0     0.200      3.6
1996.0     0.199      4.5
1997.0     0.197      5.5
1998.0     0.195      6.4
1999.0     0.192      7.4
2000.0     0.189      8.5
2001.0     0.186      9.5
2002.0     0.183     10.6
2003.0     0.179     11.7
2004.0     0.175     12.9
2005.0     0.171     14.2
2006.0     0.167     15.5
2007.0     0.162     16.9
2008.0     0.156     18.3
2009.0     0.151     19.9
2010.0     0.144     21.6
2011.0     0.138     23.5
2012.0     0.131     25.5
2013.0     0.123     27.8
2014.0     0.115     30.5
2015.0     0.107     33.5
2016.0     0.098     37.0
2017.0     0.088     41.4
2018.0     0.077     46.9
2019.0     0.065     54.4
2020.0     0.052     65.5
2021.0     0.038     84.5
2022.0     0.023    128.0
2023.0     0.020    230.8
2024.0     0.037    282.4
2025.0     0.055    300.5
2026.0     0.070    310.2
2027.0     0.083    316.6
2028.0     0.095    321.3
2029.0     0.106    325.1
2030.0     0.115    328.1
2031.0     0.124    330.7
2032.0     0.132    333.0
2033.0     0.140    335.0
2034.0     0.147    336.8
2035.0     0.153    338.4
2036.0     0.159    340.0
2037.0     0.165    341.4
2038.0     0.170    342.7
2039.0     0.174    344.0
2040.0     0.179    345.2
2041.0     0.182    346.3
2042.0     0.186    347.4
2043.0     0.189    348.4
2044.0     0.192    349.5
2045.0     0.195    350.5
2046.0     0.197    351.4
2047.0     0.199    352.4
2048.0     0.201    353.3
2049.0     0.202    354.2
2050.0     0.203    355.1
2051.0     0.204    356.0
2052.0     0.204    356.9
2053.0     0.205    357.8
2054.0     0.205    358.7
2055.0     0.205    359.6
2056.0     0.204      0.5

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.