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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:19:28

Orbital Elements for HJ1018
WDS: HJ1018 WDS ID/Discoverer
P: 154.233 Orbital period (years)
a: 0.97822 Semi-major axis (arcseconds)
i: 88.271 Inclination (degrees)
Ω: 86.735 Longitude of ascending node (degrees)
T: 1942.755 Epoch of periastron passage (year)
e: 0.91379 Eccentricity
ω: 210.113 Longitude of periastron (degrees)
Start-Year: 1948.0 Year
End-Year: 2102.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HJ1018
Position: 002057.23+674003.0 Epoch-2000 right ascension and declination
WDS-ID: 00210+6740 WDS designation
Discoverer Code: HJ1018 Discover designation and components
ADS number: 283 Aitken Double Star catalog
HD number: 1624 HD catalog number
Hipparcos number: 1674 Hipparcos catalog number
V1: 8.57 Magnitude of the primary
V2: 8.89 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HJ1018



WDS 6th Orbit including measures of HJ1018

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


Ephemeris of HJ1018
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.593     87.8
-------------------------
1948.0     0.455     86.3
1949.0     0.521     86.4
1950.0     0.581     86.5
1951.0     0.636     86.6
1952.0     0.688     86.6
1953.0     0.736     86.7
1954.0     0.782     86.7
1955.0     0.825     86.8
1956.0     0.866     86.8
1957.0     0.905     86.9
1958.0     0.942     86.9
1959.0     0.977     86.9
1960.0     1.010     87.0
1961.0     1.042     87.0
1962.0     1.073     87.0
1963.0     1.102     87.0
1964.0     1.130     87.0
1965.0     1.157     87.1
1966.0     1.183     87.1
1967.0     1.208     87.1
1968.0     1.232     87.1
1969.0     1.254     87.1
1970.0     1.276     87.2
1971.0     1.297     87.2
1972.0     1.318     87.2
1973.0     1.337     87.2
1974.0     1.356     87.2
1975.0     1.374     87.2
1976.0     1.391     87.3
1977.0     1.407     87.3
1978.0     1.423     87.3
1979.0     1.438     87.3
1980.0     1.453     87.3
1981.0     1.466     87.3
1982.0     1.480     87.3
1983.0     1.492     87.3
1984.0     1.504     87.4
1985.0     1.516     87.4
1986.0     1.527     87.4
1987.0     1.537     87.4
1988.0     1.547     87.4
1989.0     1.556     87.4
1990.0     1.565     87.4
1991.0     1.573     87.4
1992.0     1.581     87.4
1993.0     1.588     87.5
1994.0     1.595     87.5
1995.0     1.601     87.5
1996.0     1.607     87.5
1997.0     1.612     87.5
1998.0     1.617     87.5
1999.0     1.622     87.5
2000.0     1.626     87.5
2001.0     1.629     87.5
2002.0     1.633     87.6
2003.0     1.635     87.6
2004.0     1.638     87.6
2005.0     1.639     87.6
2006.0     1.641     87.6
2007.0     1.642     87.6
2008.0     1.643     87.6
2009.0     1.643     87.6
2010.0     1.643     87.6
2011.0     1.642     87.6
2012.0     1.641     87.7
2013.0     1.640     87.7
2014.0     1.638     87.7
2015.0     1.636     87.7
2016.0     1.633     87.7
2017.0     1.630     87.7
2018.0     1.627     87.7
2019.0     1.623     87.7
2020.0     1.619     87.7
2021.0     1.615     87.7
2022.0     1.610     87.8
2023.0     1.605     87.8
2024.0     1.599     87.8
2025.0     1.593     87.8
2026.0     1.587     87.8
2027.0     1.580     87.8
2028.0     1.573     87.8
2029.0     1.565     87.8
2030.0     1.557     87.8
2031.0     1.549     87.9
2032.0     1.540     87.9
2033.0     1.531     87.9
2034.0     1.522     87.9
2035.0     1.512     87.9
2036.0     1.502     87.9
2037.0     1.491     87.9
2038.0     1.480     87.9
2039.0     1.469     88.0
2040.0     1.457     88.0
2041.0     1.445     88.0
2042.0     1.432     88.0
2043.0     1.419     88.0
2044.0     1.406     88.0
2045.0     1.392     88.0
2046.0     1.378     88.0
2047.0     1.363     88.1
2048.0     1.348     88.1
2049.0     1.333     88.1
2050.0     1.317     88.1
2051.0     1.301     88.1
2052.0     1.284     88.1
2053.0     1.267     88.2
2054.0     1.249     88.2
2055.0     1.231     88.2
2056.0     1.213     88.2
2057.0     1.194     88.2
2058.0     1.174     88.3
2059.0     1.154     88.3
2060.0     1.134     88.3
2061.0     1.113     88.3
2062.0     1.092     88.3
2063.0     1.070     88.4
2064.0     1.047     88.4
2065.0     1.024     88.4
2066.0     1.001     88.4
2067.0     0.977     88.5
2068.0     0.952     88.5
2069.0     0.927     88.5
2070.0     0.901     88.6
2071.0     0.874     88.6
2072.0     0.847     88.6
2073.0     0.819     88.7
2074.0     0.791     88.7
2075.0     0.761     88.8
2076.0     0.732     88.8
2077.0     0.701     88.9
2078.0     0.669     88.9
2079.0     0.637     89.0
2080.0     0.604     89.1
2081.0     0.570     89.1
2082.0     0.534     89.2
2083.0     0.498     89.3
2084.0     0.461     89.4
2085.0     0.423     89.6
2086.0     0.383     89.8
2087.0     0.343     90.0
2088.0     0.300     90.2
2089.0     0.257     90.6
2090.0     0.211     91.1
2091.0     0.164     91.9
2092.0     0.115     93.3
2093.0     0.065     97.0
2094.0     0.015    127.0
2095.0     0.042    257.2
2096.0     0.087    264.4
2097.0     0.072    267.8
2098.0     0.062     83.0
2099.0     0.182     85.3
2100.0     0.280     85.8
2101.0     0.364     86.1






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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