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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:16:08

Orbital Elements for HDS1853

WDS:	HDS1853	WDS ID/Discoverer
P:	93.700	Orbital period (years)
a:	0.198	Semi-major axis (arcseconds)
i:	110.0	Inclination (degrees)
Ω:	87.9	Longitude of ascending node (degrees)
T:	2021.580	Epoch of periastron passage (year)
e:	0.444	Eccentricity
ω:	270.0	Longitude of periastron (degrees)
Start-Year:	1979.0	Year
End-Year:	2071.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1853

Position:	131345.97-675534.0	Epoch-2000 right ascension and declination
WDS-ID:	13138-6756	WDS designation
Discoverer Code:	HDS1853	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	114702	HD catalog number
Hipparcos number:	64545	Hipparcos catalog number
V1:	9.29	Magnitude of the primary
V2:	10.92	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1853

WDS 6th Orbit including measures of HDS1853

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

Ephemeris of HDS1853

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.077    112.7
-------------------------
1979.0     0.103    337.9
1980.0     0.105    333.7
1981.0     0.108    329.6
1982.0     0.111    325.7
1983.0     0.114    322.1
1984.0     0.118    318.7
1985.0     0.122    315.5
1986.0     0.126    312.5
1987.0     0.130    309.7
1988.0     0.134    307.0
1989.0     0.139    304.5
1990.0     0.143    302.2
1991.0     0.147    300.0
1992.0     0.151    297.9
1993.0     0.155    296.0
1994.0     0.159    294.1
1995.0     0.163    292.3
1996.0     0.166    290.6
1997.0     0.169    289.0
1998.0     0.172    287.4
1999.0     0.175    285.9
2000.0     0.177    284.4
2001.0     0.178    282.9
2002.0     0.180    281.5
2003.0     0.180    280.0
2004.0     0.180    278.6
2005.0     0.180    277.2
2006.0     0.178    275.8
2007.0     0.176    274.3
2008.0     0.173    272.8
2009.0     0.170    271.2
2010.0     0.165    269.6
2011.0     0.159    267.8
2012.0     0.151    265.9
2013.0     0.143    263.8
2014.0     0.133    261.3
2015.0     0.121    258.5
2016.0     0.109    255.0
2017.0     0.094    250.5
2018.0     0.079    244.3
2019.0     0.064    235.2
2020.0     0.049    220.4
2021.0     0.039    196.2
2022.0     0.039    164.5
2023.0     0.047    138.5
2024.0     0.061    122.5
2025.0     0.077    112.7
2026.0     0.092    106.2
2027.0     0.106    101.5
2028.0     0.119     97.8
2029.0     0.131     94.9
2030.0     0.141     92.4
2031.0     0.150     90.2
2032.0     0.158     88.3
2033.0     0.164     86.5
2034.0     0.169     84.8
2035.0     0.173     83.3
2036.0     0.176     81.7
2037.0     0.178     80.3
2038.0     0.180     78.8
2039.0     0.180     77.4
2040.0     0.180     76.0
2041.0     0.180     74.6
2042.0     0.179     73.1
2043.0     0.177     71.7
2044.0     0.175     70.2
2045.0     0.173     68.6
2046.0     0.170     67.1
2047.0     0.167     65.4
2048.0     0.163     63.7
2049.0     0.160     62.0
2050.0     0.156     60.1
2051.0     0.152     58.2
2052.0     0.148     56.1
2053.0     0.144     53.9
2054.0     0.139     51.6
2055.0     0.135     49.2
2056.0     0.131     46.6
2057.0     0.127     43.8
2058.0     0.123     40.8
2059.0     0.119     37.7
2060.0     0.115     34.3
2061.0     0.111     30.7
2062.0     0.108     26.9
2063.0     0.105     22.8
2064.0     0.103     18.6
2065.0     0.101     14.1
2066.0     0.099      9.5
2067.0     0.098      4.8
2068.0     0.098    360.0
2069.0     0.098    355.2
2070.0     0.098    350.4

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.