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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:46:29

Orbital Elements for HU1055AB
WDS: HU1055AB WDS ID/Discoverer
P: 100.500 Orbital period (years)
a: 0.442 Semi-major axis (arcseconds)
i: 126.0 Inclination (degrees)
Ω: 227.0 Longitude of ascending node (degrees)
T: 1991.300 Epoch of periastron passage (year)
e: 0.975 Eccentricity
ω: 286.0 Longitude of periastron (degrees)
Start-Year: 1975.0 Year
End-Year: 2075.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1055AB
Position: 031507.58+161812.9 Epoch-2000 right ascension and declination
WDS-ID: 03151+1618 WDS designation
Discoverer Code: HU1055AB Discover designation and components
ADS number: 2429 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 15134 Hipparcos catalog number
V1: 9.4 Magnitude of the primary
V2: 9.9 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1996 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HU1055AB



WDS 6th Orbit including measures of HU1055AB

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


Ephemeris of HU1055AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.498    116.4
-------------------------
1975.0     0.404     98.7
1976.0     0.392     98.1
1977.0     0.380     97.5
1978.0     0.367     96.9
1979.0     0.354     96.2
1980.0     0.340     95.4
1981.0     0.324     94.6
1982.0     0.308     93.7
1983.0     0.291     92.6
1984.0     0.272     91.5
1985.0     0.251     90.1
1986.0     0.229     88.5
1987.0     0.204     86.6
1988.0     0.176     84.1
1989.0     0.144     80.5
1990.0     0.103     74.4
1991.0     0.042     55.3
1992.0     0.054    176.8
1993.0     0.091    158.6
1994.0     0.120    150.3
1995.0     0.146    145.1
1996.0     0.169    141.4
1997.0     0.191    138.6
1998.0     0.211    136.3
1999.0     0.229    134.4
2000.0     0.247    132.8
2001.0     0.263    131.4
2002.0     0.279    130.2
2003.0     0.294    129.0
2004.0     0.308    128.0
2005.0     0.322    127.1
2006.0     0.335    126.3
2007.0     0.347    125.5
2008.0     0.359    124.7
2009.0     0.370    124.1
2010.0     0.381    123.4
2011.0     0.392    122.8
2012.0     0.401    122.2
2013.0     0.411    121.7
2014.0     0.420    121.1
2015.0     0.429    120.6
2016.0     0.437    120.1
2017.0     0.446    119.7
2018.0     0.453    119.2
2019.0     0.461    118.8
2020.0     0.468    118.4
2021.0     0.474    117.9
2022.0     0.481    117.5
2023.0     0.487    117.2
2024.0     0.493    116.8
2025.0     0.498    116.4
2026.0     0.503    116.0
2027.0     0.508    115.7
2028.0     0.513    115.3
2029.0     0.517    115.0
2030.0     0.521    114.6
2031.0     0.525    114.3
2032.0     0.529    114.0
2033.0     0.532    113.7
2034.0     0.535    113.3
2035.0     0.538    113.0
2036.0     0.540    112.7
2037.0     0.542    112.4
2038.0     0.544    112.1
2039.0     0.546    111.8
2040.0     0.547    111.5
2041.0     0.548    111.2
2042.0     0.549    110.9
2043.0     0.550    110.6
2044.0     0.550    110.3
2045.0     0.550    110.0
2046.0     0.550    109.6
2047.0     0.550    109.3
2048.0     0.549    109.0
2049.0     0.548    108.7
2050.0     0.547    108.4
2051.0     0.545    108.1
2052.0     0.543    107.8
2053.0     0.541    107.5
2054.0     0.539    107.2
2055.0     0.536    106.9
2056.0     0.533    106.6
2057.0     0.530    106.2
2058.0     0.526    105.9
2059.0     0.522    105.6
2060.0     0.518    105.2
2061.0     0.513    104.9
2062.0     0.509    104.5
2063.0     0.503    104.2
2064.0     0.498    103.8
2065.0     0.492    103.4
2066.0     0.485    103.1
2067.0     0.479    102.7
2068.0     0.472    102.3
2069.0     0.464    101.8
2070.0     0.456    101.4
2071.0     0.448    101.0
2072.0     0.439    100.5
2073.0     0.429    100.0
2074.0     0.419     99.5






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.


www.stella-vega.de