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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:28:20

Orbital Elements for AGC1AB

WDS:	AGC1AB	WDS ID/Discoverer
P:	50.128	Orbital period (years)
a:	7.4957	Semi-major axis (arcseconds)
i:	136.336	Inclination (degrees)
Ω:	45.4	Longitude of ascending node (degrees)
T:	1994.572	Epoch of periastron passage (year)
e:	0.59142	Eccentricity
ω:	149.161	Longitude of periastron (degrees)
Start-Year:	2000.0	Year
End-Year:	2050.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for AGC1AB

Position:	064508.92-164258.0	Epoch-2000 right ascension and declination
WDS-ID:	06451-1643	WDS designation
Discoverer Code:	AGC1AB	Discover designation and components
ADS number:	5423	Aitken Double Star catalog
HD number:	48915	HD catalog number
Hipparcos number:	32349	Hipparcos catalog number
V1:	-1.47	Magnitude of the primary
V2:	8.44	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2016	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for AGC1AB

WDS 6th Orbit including measures of AGC1AB

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

Ephemeris of AGC1AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0    11.256     58.8
-------------------------
2000.0     4.460    151.2
2001.0     4.846    140.3
2002.0     5.272    131.1
2003.0     5.724    123.3
2004.0     6.188    116.6
2005.0     6.652    110.9
2006.0     7.109    105.9
2007.0     7.554    101.6
2008.0     7.982     97.7
2009.0     8.391     94.1
2010.0     8.777     91.0
2011.0     9.141     88.0
2012.0     9.479     85.3
2013.0     9.792     82.8
2014.0    10.078     80.4
2015.0    10.337     78.1
2016.0    10.567     76.0
2017.0    10.769     73.9
2018.0    10.941     71.9
2019.0    11.082     70.0
2020.0    11.193     68.1
2021.0    11.273     66.2
2022.0    11.320     64.4
2023.0    11.333     62.5
2024.0    11.313     60.7
2025.0    11.256     58.8
2026.0    11.163     57.0
2027.0    11.032     55.1
2028.0    10.861     53.1
2029.0    10.648     51.1
2030.0    10.392     48.9
2031.0    10.090     46.7
2032.0     9.739     44.3
2033.0     9.337     41.7
2034.0     8.880     38.9
2035.0     8.364     35.7
2036.0     7.787     32.1
2037.0     7.143     27.9
2038.0     6.431     22.8
2039.0     5.651     16.3
2040.0     4.811      7.7
2041.0     3.943    355.3
2042.0     3.138    336.1
2043.0     2.612    306.7
2044.0     2.614    270.9
2045.0     2.990    240.5
2046.0     3.356    217.2
2047.0     3.612    197.9
2048.0     3.834    180.9
2049.0     4.093    165.8

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.