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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:25:19

Orbital Elements for B1252

WDS:	B1252	WDS ID/Discoverer
P:	67.000	Orbital period (years)
a:	0.268	Semi-major axis (arcseconds)
i:	67.2	Inclination (degrees)
Ω:	125.3	Longitude of ascending node (degrees)
T:	2012.080	Epoch of periastron passage (year)
e:	0.59	Eccentricity
ω:	10.5	Longitude of periastron (degrees)
Start-Year:	1992.0	Year
End-Year:	2058.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B1252

Position:	143957.30-530005.2	Epoch-2000 right ascension and declination
WDS-ID:	14400-5300	WDS designation
Discoverer Code:	B1252	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	8.63	Magnitude of the primary
V2:	10.08	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for B1252

WDS 6th Orbit including measures of B1252

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

Ephemeris of B1252

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.259    290.7
-------------------------
1992.0     0.317    320.8
1993.0     0.303    322.0
1994.0     0.288    323.4
1995.0     0.272    325.0
1996.0     0.256    326.7
1997.0     0.239    328.7
1998.0     0.220    331.0
1999.0     0.201    333.7
2000.0     0.182    337.0
2001.0     0.162    341.1
2002.0     0.141    346.4
2003.0     0.121    353.4
2004.0     0.102      3.1
2005.0     0.086     16.9
2006.0     0.076     35.6
2007.0     0.073     57.8
2008.0     0.080     78.8
2009.0     0.091     95.5
2010.0     0.103    108.2
2011.0     0.111    118.7
2012.0     0.109    128.6
2013.0     0.097    139.8
2014.0     0.080    155.3
2015.0     0.064    179.5
2016.0     0.061    212.3
2017.0     0.073    240.4
2018.0     0.095    257.8
2019.0     0.121    268.3
2020.0     0.146    275.2
2021.0     0.171    280.0
2022.0     0.195    283.6
2023.0     0.218    286.4
2024.0     0.239    288.8
2025.0     0.259    290.7
2026.0     0.278    292.4
2027.0     0.295    293.9
2028.0     0.311    295.2
2029.0     0.326    296.4
2030.0     0.339    297.5
2031.0     0.352    298.5
2032.0     0.363    299.4
2033.0     0.374    300.3
2034.0     0.383    301.1
2035.0     0.391    301.9
2036.0     0.398    302.7
2037.0     0.404    303.5
2038.0     0.410    304.2
2039.0     0.414    304.9
2040.0     0.417    305.6
2041.0     0.420    306.3
2042.0     0.422    307.0
2043.0     0.422    307.7
2044.0     0.422    308.3
2045.0     0.421    309.0
2046.0     0.419    309.7
2047.0     0.416    310.4
2048.0     0.413    311.1
2049.0     0.408    311.8
2050.0     0.403    312.5
2051.0     0.397    313.3
2052.0     0.390    314.1
2053.0     0.382    314.9
2054.0     0.373    315.7
2055.0     0.364    316.6
2056.0     0.353    317.6
2057.0     0.342    318.6

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.