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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:29:29

Orbital Elements for B1013

WDS:	B1013	WDS ID/Discoverer
P:	38.620	Orbital period (years)
a:	0.15	Semi-major axis (arcseconds)
i:	108.2	Inclination (degrees)
Ω:	109.6	Longitude of ascending node (degrees)
T:	2021.900	Epoch of periastron passage (year)
e:	0.736	Eccentricity
ω:	126.3	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 B1013

Position:	214912.69-353818.7	Epoch-2000 right ascension and declination
WDS-ID:	21492-3538	WDS designation
Discoverer Code:	B1013	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	207363	HD catalog number
Hipparcos number:	107715	Hipparcos catalog number
V1:	8.9	Magnitude of the primary
V2:	9.0	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:		Flags

Double Star Orbit for B1013

WDS 6th Orbit including measures of B1013

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

Ephemeris of B1013

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.054    254.3
-------------------------
2006.0     0.185    127.8
2007.0     0.188    126.5
2008.0     0.190    125.3
2009.0     0.191    124.1
2010.0     0.191    122.8
2011.0     0.190    121.6
2012.0     0.187    120.4
2013.0     0.183    119.1
2014.0     0.177    117.7
2015.0     0.169    116.2
2016.0     0.158    114.6
2017.0     0.144    112.6
2018.0     0.126    110.2
2019.0     0.103    106.8
2020.0     0.072    100.9
2021.0     0.030     81.1
2022.0     0.030    306.8
2023.0     0.054    282.5
2024.0     0.057    268.7
2025.0     0.054    254.3
2026.0     0.050    237.7
2027.0     0.049    219.7
2028.0     0.052    202.2
2029.0     0.058    187.3
2030.0     0.066    175.7
2031.0     0.075    166.7
2032.0     0.085    159.8
2033.0     0.096    154.4
2034.0     0.106    150.1
2035.0     0.116    146.5
2036.0     0.126    143.4
2037.0     0.135    140.8
2038.0     0.144    138.5
2039.0     0.152    136.5
2040.0     0.159    134.6
2041.0     0.166    133.0
2042.0     0.172    131.4
2043.0     0.178    130.0

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.