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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:06:53

Orbital Elements for B1705AB
WDS: B1705AB WDS ID/Discoverer
P: 96.800 Orbital period (years)
a: 0.276 Semi-major axis (arcseconds)
i: 60.9 Inclination (degrees)
Ω: 259.8 Longitude of ascending node (degrees)
T: 2003.550 Epoch of periastron passage (year)
e: 0.634 Eccentricity
ω: 92.4 Longitude of periastron (degrees)
Start-Year: 1977.0 Year
End-Year: 2073.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B1705AB
Position: 113929.63-652351.9 Epoch-2000 right ascension and declination
WDS-ID: 11395-6524 WDS designation
Discoverer Code: B1705AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 101379 HD catalog number
Hipparcos number: 56862 Hipparcos catalog number
V1: 5.52 Magnitude of the primary
V2: 6.61 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2013 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for B1705AB



WDS 6th Orbit including measures of B1705AB

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


Ephemeris of B1705AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.232    117.4
-------------------------
1977.0     0.246    218.1
1978.0     0.246    219.9
1979.0     0.247    221.6
1980.0     0.247    223.4
1981.0     0.247    225.1
1982.0     0.247    226.9
1983.0     0.247    228.6
1984.0     0.246    230.4
1985.0     0.245    232.1
1986.0     0.243    233.9
1987.0     0.241    235.7
1988.0     0.239    237.6
1989.0     0.235    239.5
1990.0     0.231    241.4
1991.0     0.227    243.5
1992.0     0.221    245.6
1993.0     0.214    247.9
1994.0     0.206    250.3
1995.0     0.196    252.9
1996.0     0.185    255.8
1997.0     0.172    259.2
1998.0     0.157    263.1
1999.0     0.139    268.0
2000.0     0.118    274.5
2001.0     0.094    284.1
2002.0     0.070    300.4
2003.0     0.052    331.1
2004.0     0.053     13.5
2005.0     0.072     42.4
2006.0     0.096     57.8
2007.0     0.119     67.1
2008.0     0.139     73.5
2009.0     0.156     78.4
2010.0     0.170     82.4
2011.0     0.182     85.9
2012.0     0.192     88.9
2013.0     0.200     91.7
2014.0     0.207     94.2
2015.0     0.213     96.6
2016.0     0.218     98.9
2017.0     0.221    101.2
2018.0     0.225    103.3
2019.0     0.227    105.4
2020.0     0.229    107.4
2021.0     0.230    109.5
2022.0     0.231    111.5
2023.0     0.232    113.4
2024.0     0.232    115.4
2025.0     0.232    117.4
2026.0     0.232    119.4
2027.0     0.232    121.3
2028.0     0.231    123.3
2029.0     0.231    125.3
2030.0     0.230    127.3
2031.0     0.229    129.3
2032.0     0.228    131.4
2033.0     0.227    133.4
2034.0     0.227    135.5
2035.0     0.226    137.6
2036.0     0.225    139.7
2037.0     0.224    141.8
2038.0     0.223    143.9
2039.0     0.222    146.1
2040.0     0.221    148.3
2041.0     0.221    150.4
2042.0     0.220    152.6
2043.0     0.220    154.8
2044.0     0.219    157.1
2045.0     0.219    159.3
2046.0     0.219    161.5
2047.0     0.219    163.7
2048.0     0.219    166.0
2049.0     0.219    168.2
2050.0     0.219    170.4
2051.0     0.219    172.6
2052.0     0.220    174.8
2053.0     0.221    177.0
2054.0     0.221    179.2
2055.0     0.222    181.4
2056.0     0.223    183.5
2057.0     0.224    185.7
2058.0     0.225    187.8
2059.0     0.226    189.9
2060.0     0.228    191.9
2061.0     0.229    194.0
2062.0     0.230    196.0
2063.0     0.232    198.0
2064.0     0.233    200.0
2065.0     0.235    201.9
2066.0     0.236    203.8
2067.0     0.237    205.7
2068.0     0.239    207.6
2069.0     0.240    209.5
2070.0     0.242    211.3
2071.0     0.243    213.1
2072.0     0.244    214.9






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


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.


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