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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:23:25

Orbital Elements for HDS823AA,AB

WDS:	HDS823AA,AB	WDS ID/Discoverer
P:	65.000	Orbital period (years)
a:	0.323	Semi-major axis (arcseconds)
i:	99.3	Inclination (degrees)
Ω:	57.6	Longitude of ascending node (degrees)
T:	2028.040	Epoch of periastron passage (year)
e:	0.95	Eccentricity
ω:	77.9	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 HDS823AA,AB

Position:	060314.86+192138.7	Epoch-2000 right ascension and declination
WDS-ID:	06032+1922	WDS designation
Discoverer Code:	HDS823AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	250792	HD catalog number
Hipparcos number:	28671	Hipparcos catalog number
V1:	9.55	Magnitude of the primary
V2:	11.67	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HDS823AA,AB

WDS 6th Orbit including measures of HDS823AA,AB

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

Ephemeris of HDS823AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.062     88.4
-------------------------
1993.0     0.174    203.2
1994.0     0.171    202.2
1995.0     0.167    201.2
1996.0     0.164    200.1
1997.0     0.160    199.0
1998.0     0.156    197.8
1999.0     0.151    196.6
2000.0     0.147    195.3
2001.0     0.143    193.9
2002.0     0.138    192.4
2003.0     0.133    190.8
2004.0     0.129    189.1
2005.0     0.124    187.3
2006.0     0.119    185.3
2007.0     0.114    183.2
2008.0     0.109    180.8
2009.0     0.105    178.3
2010.0     0.100    175.5
2011.0     0.095    172.4
2012.0     0.090    169.0
2013.0     0.086    165.2
2014.0     0.082    161.1
2015.0     0.078    156.5
2016.0     0.074    151.4
2017.0     0.071    145.8
2018.0     0.068    139.7
2019.0     0.065    133.1
2020.0     0.064    126.1
2021.0     0.063    118.8
2022.0     0.062    111.3
2023.0     0.062    103.7
2024.0     0.062     96.1
2025.0     0.062     88.4
2026.0     0.060     80.6
2027.0     0.054     71.8
2028.0     0.011     46.2
2029.0     0.079    231.9
2030.0     0.109    228.6
2031.0     0.130    226.6
2032.0     0.144    225.0
2033.0     0.156    223.7
2034.0     0.165    222.6
2035.0     0.173    221.6
2036.0     0.179    220.7
2037.0     0.184    219.8
2038.0     0.188    218.9
2039.0     0.192    218.1
2040.0     0.194    217.4
2041.0     0.197    216.6
2042.0     0.198    215.8
2043.0     0.199    215.1
2044.0     0.200    214.4
2045.0     0.200    213.6
2046.0     0.199    212.9
2047.0     0.199    212.2
2048.0     0.198    211.4
2049.0     0.197    210.7
2050.0     0.195    209.9
2051.0     0.193    209.1
2052.0     0.191    208.4
2053.0     0.189    207.6
2054.0     0.187    206.7
2055.0     0.184    205.9
2056.0     0.181    205.0

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.