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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:06:11

Orbital Elements for B1385

WDS:	B1385	WDS ID/Discoverer
P:	58.300	Orbital period (years)
a:	0.185	Semi-major axis (arcseconds)
i:	46.9	Inclination (degrees)
Ω:	301.0	Longitude of ascending node (degrees)
T:	1985.629	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	0.0	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 B1385

Position:	192923.89-405645.2	Epoch-2000 right ascension and declination
WDS-ID:	19294-4057	WDS designation
Discoverer Code:	B1385	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	183023	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	8.2	Magnitude of the primary
V2:	8.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for B1385

WDS 6th Orbit including measures of B1385

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

Ephemeris of B1385

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.140    174.4
-------------------------
1996.0     0.140    355.5
1997.0     0.134      3.2
1998.0     0.130     11.5
1999.0     0.128     20.2
2000.0     0.126     29.2
2001.0     0.127     38.2
2002.0     0.129     47.0
2003.0     0.133     55.5
2004.0     0.137     63.4
2005.0     0.143     70.8
2006.0     0.149     77.5
2007.0     0.155     83.8
2008.0     0.162     89.5
2009.0     0.167     94.9
2010.0     0.173     99.9
2011.0     0.177    104.6
2012.0     0.181    109.1
2013.0     0.183    113.4
2014.0     0.185    117.7
2015.0     0.185    121.9
2016.0     0.184    126.2
2017.0     0.182    130.5
2018.0     0.179    134.9
2019.0     0.175    139.5
2020.0     0.170    144.3
2021.0     0.165    149.5
2022.0     0.159    155.0
2023.0     0.153    160.9
2024.0     0.146    167.4
2025.0     0.140    174.4
2026.0     0.135    182.0
2027.0     0.131    190.2
2028.0     0.128    198.9
2029.0     0.127    207.8
2030.0     0.127    216.8
2031.0     0.129    225.7
2032.0     0.132    234.2
2033.0     0.137    242.2
2034.0     0.142    249.7
2035.0     0.148    256.6
2036.0     0.154    262.9
2037.0     0.161    268.7
2038.0     0.167    274.1
2039.0     0.172    279.1
2040.0     0.176    283.9
2041.0     0.180    288.4
2042.0     0.183    292.8
2043.0     0.185    297.1
2044.0     0.185    301.3
2045.0     0.184    305.5
2046.0     0.183    309.8
2047.0     0.180    314.2
2048.0     0.176    318.8
2049.0     0.171    323.6
2050.0     0.166    328.7
2051.0     0.160    334.1
2052.0     0.154    340.0
2053.0     0.147    346.4

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.