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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:39:44

Orbital Elements for HDS1199

WDS:	HDS1199	WDS ID/Discoverer
P:	84.275	Orbital period (years)
a:	0.7866	Semi-major axis (arcseconds)
i:	130.6	Inclination (degrees)
Ω:	112.2	Longitude of ascending node (degrees)
T:	2035.193	Epoch of periastron passage (year)
e:	0.286	Eccentricity
ω:	50.6	Longitude of periastron (degrees)
Start-Year:	1983.0	Year
End-Year:	2067.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1199

Position:	082551.72-162247.5	Epoch-2000 right ascension and declination
WDS-ID:	08259-1623	WDS designation
Discoverer Code:	HDS1199	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	41322	Hipparcos catalog number
V1:	10.46	Magnitude of the primary
V2:	12.83	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1199

WDS 6th Orbit including measures of HDS1199

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

Ephemeris of HDS1199

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.638    126.9
-------------------------
1983.0     0.922    275.3
1984.0     0.917    273.3
1985.0     0.912    271.4
1986.0     0.904    269.4
1987.0     0.896    267.3
1988.0     0.886    265.2
1989.0     0.875    263.1
1990.0     0.862    260.9
1991.0     0.849    258.7
1992.0     0.835    256.4
1993.0     0.820    253.9
1994.0     0.804    251.4
1995.0     0.788    248.9
1996.0     0.772    246.1
1997.0     0.755    243.3
1998.0     0.739    240.4
1999.0     0.722    237.3
2000.0     0.706    234.0
2001.0     0.689    230.6
2002.0     0.674    227.1
2003.0     0.659    223.4
2004.0     0.646    219.5
2005.0     0.633    215.5
2006.0     0.622    211.3
2007.0     0.612    207.0
2008.0     0.604    202.5
2009.0     0.597    197.9
2010.0     0.593    193.3
2011.0     0.590    188.6
2012.0     0.589    183.8
2013.0     0.589    179.1
2014.0     0.591    174.3
2015.0     0.595    169.6
2016.0     0.600    165.0
2017.0     0.605    160.5
2018.0     0.611    156.0
2019.0     0.618    151.7
2020.0     0.624    147.4
2021.0     0.630    143.2
2022.0     0.634    139.1
2023.0     0.637    135.0
2024.0     0.639    130.9
2025.0     0.638    126.9
2026.0     0.634    122.8
2027.0     0.628    118.7
2028.0     0.618    114.4
2029.0     0.604    110.0
2030.0     0.587    105.4
2031.0     0.567    100.4
2032.0     0.543     95.1
2033.0     0.516     89.2
2034.0     0.488     82.7
2035.0     0.460     75.3
2036.0     0.433     67.1
2037.0     0.410     57.8
2038.0     0.393     47.5
2039.0     0.384     36.5
2040.0     0.383     25.3
2041.0     0.393     14.3
2042.0     0.411      4.0
2043.0     0.436    354.8
2044.0     0.466    346.7
2045.0     0.500    339.6
2046.0     0.536    333.4
2047.0     0.572    328.0
2048.0     0.608    323.3
2049.0     0.643    319.1
2050.0     0.677    315.3
2051.0     0.710    311.9
2052.0     0.740    308.7
2053.0     0.768    305.8
2054.0     0.793    303.1
2055.0     0.817    300.6
2056.0     0.838    298.2
2057.0     0.856    295.9
2058.0     0.873    293.7
2059.0     0.886    291.6
2060.0     0.898    289.5
2061.0     0.908    287.5
2062.0     0.915    285.5
2063.0     0.920    283.5
2064.0     0.924    281.6
2065.0     0.925    279.7
2066.0     0.925    277.7

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.