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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:34:30

Orbital Elements for CHR259
WDS: CHR259 WDS ID/Discoverer
P: 71.094 Orbital period (years)
a: 0.552 Semi-major axis (arcseconds)
i: 104.3 Inclination (degrees)
Ω: 284.4 Longitude of ascending node (degrees)
T: 1989.836 Epoch of periastron passage (year)
e: 0.662 Eccentricity
ω: 120.1 Longitude of periastron (degrees)
Start-Year: 1990.0 Year
End-Year: 2060.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR259
Position: 154937.20-032548.7 Epoch-2000 right ascension and declination
WDS-ID: 15496-0326 WDS designation
Discoverer Code: CHR259 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 141513 HD catalog number
Hipparcos number: 77516 Hipparcos catalog number
V1: 3.75 Magnitude of the primary
V2: 5.39 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 CHR259



WDS 6th Orbit including measures of CHR259

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


Ephemeris of CHR259
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.494    307.9
-------------------------
1990.0     0.115    123.5
1991.0     0.187    110.5
1992.0     0.235    104.1
1993.0     0.261     99.5
1994.0     0.272     95.5
1995.0     0.273     91.7
1996.0     0.268     87.8
1997.0     0.258     83.7
1998.0     0.246     79.2
1999.0     0.233     74.2
2000.0     0.219     68.6
2001.0     0.206     62.3
2002.0     0.194     55.1
2003.0     0.185     47.1
2004.0     0.178     38.4
2005.0     0.176     29.3
2006.0     0.177     20.1
2007.0     0.182     11.1
2008.0     0.190      2.8
2009.0     0.201    355.3
2010.0     0.215    348.7
2011.0     0.231    343.0
2012.0     0.248    338.0
2013.0     0.267    333.7
2014.0     0.286    329.9
2015.0     0.305    326.6
2016.0     0.325    323.8
2017.0     0.345    321.2
2018.0     0.365    318.9
2019.0     0.384    316.9
2020.0     0.403    315.1
2021.0     0.422    313.4
2022.0     0.441    311.8
2023.0     0.459    310.4
2024.0     0.477    309.1
2025.0     0.494    307.9
2026.0     0.510    306.8
2027.0     0.526    305.7
2028.0     0.541    304.7
2029.0     0.555    303.8
2030.0     0.568    302.9
2031.0     0.581    302.0
2032.0     0.592    301.2
2033.0     0.603    300.4
2034.0     0.613    299.6
2035.0     0.621    298.8
2036.0     0.628    298.1
2037.0     0.635    297.4
2038.0     0.640    296.7
2039.0     0.643    296.0
2040.0     0.645    295.3
2041.0     0.646    294.6
2042.0     0.645    293.9
2043.0     0.642    293.2
2044.0     0.637    292.6
2045.0     0.630    291.8
2046.0     0.621    291.1
2047.0     0.609    290.4
2048.0     0.595    289.6
2049.0     0.578    288.7
2050.0     0.557    287.9
2051.0     0.533    286.9
2052.0     0.504    285.8
2053.0     0.471    284.6
2054.0     0.431    283.2
2055.0     0.385    281.5
2056.0     0.331    279.3
2057.0     0.268    276.1
2058.0     0.194    270.6
2059.0     0.111    257.5






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.


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