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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:27:06

Orbital Elements for I952
WDS: I952 WDS ID/Discoverer
P: 99.130 Orbital period (years)
a: 0.521 Semi-major axis (arcseconds)
i: 156.1 Inclination (degrees)
Ω: 27.1 Longitude of ascending node (degrees)
T: 1981.390 Epoch of periastron passage (year)
e: 0.659 Eccentricity
ω: 268.1 Longitude of periastron (degrees)
Start-Year: 1976.0 Year
End-Year: 2074.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I952
Position: 145304.85-463812.5 Epoch-2000 right ascension and declination
WDS-ID: 14531-4638 WDS designation
Discoverer Code: I952 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 131078 HD catalog number
Hipparcos number: 72821 Hipparcos catalog number
V1: 8.51 Magnitude of the primary
V2: 10.14 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2013 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I952



WDS 6th Orbit including measures of I952

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


Ephemeris of I952
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.784    305.7
-------------------------
1976.0     0.288    207.1
1977.0     0.259    198.0
1978.0     0.229    186.6
1979.0     0.201    171.9
1980.0     0.177    152.8
1981.0     0.164    129.1
1982.0     0.165    103.7
1983.0     0.181     80.7
1984.0     0.206     62.4
1985.0     0.235     48.4
1986.0     0.265     37.5
1987.0     0.295     28.8
1988.0     0.323     21.7
1989.0     0.351     15.8
1990.0     0.377     10.6
1991.0     0.401      6.1
1992.0     0.425      2.2
1993.0     0.447    358.6
1994.0     0.468    355.4
1995.0     0.489    352.4
1996.0     0.508    349.7
1997.0     0.526    347.1
1998.0     0.544    344.8
1999.0     0.560    342.5
2000.0     0.576    340.4
2001.0     0.591    338.4
2002.0     0.605    336.6
2003.0     0.619    334.7
2004.0     0.632    333.0
2005.0     0.645    331.4
2006.0     0.656    329.8
2007.0     0.668    328.2
2008.0     0.678    326.7
2009.0     0.688    325.3
2010.0     0.698    323.8
2011.0     0.707    322.5
2012.0     0.715    321.1
2013.0     0.723    319.8
2014.0     0.731    318.5
2015.0     0.738    317.3
2016.0     0.745    316.1
2017.0     0.751    314.8
2018.0     0.756    313.6
2019.0     0.762    312.5
2020.0     0.766    311.3
2021.0     0.771    310.2
2022.0     0.774    309.0
2023.0     0.778    307.9
2024.0     0.781    306.8
2025.0     0.784    305.7
2026.0     0.786    304.6
2027.0     0.787    303.5
2028.0     0.789    302.4
2029.0     0.790    301.3
2030.0     0.790    300.2
2031.0     0.790    299.1
2032.0     0.790    298.0
2033.0     0.789    297.0
2034.0     0.788    295.9
2035.0     0.787    294.8
2036.0     0.785    293.7
2037.0     0.782    292.6
2038.0     0.779    291.5
2039.0     0.776    290.3
2040.0     0.773    289.2
2041.0     0.768    288.1
2042.0     0.764    286.9
2043.0     0.759    285.7
2044.0     0.754    284.6
2045.0     0.748    283.4
2046.0     0.742    282.1
2047.0     0.735    280.9
2048.0     0.728    279.6
2049.0     0.720    278.3
2050.0     0.712    277.0
2051.0     0.703    275.7
2052.0     0.694    274.3
2053.0     0.684    272.8
2054.0     0.674    271.4
2055.0     0.663    269.9
2056.0     0.652    268.3
2057.0     0.640    266.7
2058.0     0.628    265.0
2059.0     0.614    263.2
2060.0     0.601    261.4
2061.0     0.586    259.5
2062.0     0.571    257.4
2063.0     0.555    255.3
2064.0     0.539    253.0
2065.0     0.521    250.6
2066.0     0.503    248.0
2067.0     0.484    245.3
2068.0     0.464    242.2
2069.0     0.443    238.9
2070.0     0.421    235.3
2071.0     0.397    231.2
2072.0     0.373    226.7
2073.0     0.347    221.4






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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