Double Star Calculator - Orbit

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: 1947.8836000000001 Year
End-Year: 2102.1164 Year
Epoch: 2026.5 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
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for HJ1018



WDS 6th Orbit including measures of HJ1018

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of HJ1018
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.583    87.81
--------------------------
1947.88    0.447    86.29
1948.88    0.513    86.41
1949.88    0.574    86.50
1950.88    0.630    86.58
1951.88    0.682    86.64
1952.88    0.731    86.69
1953.88    0.777    86.74
1954.88    0.820    86.78
1955.88    0.861    86.82
1956.88    0.900    86.86
1957.88    0.937    86.89
1958.88    0.973    86.92
1959.88    1.006    86.95
1960.88    1.038    86.98
1961.88    1.069    87.00
1962.88    1.099    87.02
1963.88    1.127    87.05
1964.88    1.154    87.07
1965.88    1.180    87.09
1966.88    1.205    87.11
1967.88    1.229    87.12
1968.88    1.252    87.14
1969.88    1.274    87.16
1970.88    1.295    87.18
1971.88    1.315    87.19
1972.88    1.335    87.21
1973.88    1.354    87.22
1974.88    1.372    87.24
1975.88    1.389    87.25
1976.88    1.405    87.27
1977.88    1.421    87.28
1978.88    1.436    87.29
1979.88    1.451    87.31
1980.88    1.465    87.32
1981.88    1.478    87.33
1982.88    1.491    87.34
1983.88    1.503    87.36
1984.88    1.514    87.37
1985.88    1.525    87.38
1986.88    1.536    87.39
1987.88    1.546    87.40
1988.88    1.555    87.41
1989.88    1.564    87.43
1990.88    1.572    87.44
1991.88    1.580    87.45
1992.88    1.587    87.46
1993.88    1.594    87.47
1994.88    1.600    87.48
1995.88    1.606    87.49
1996.88    1.612    87.50
1997.88    1.617    87.51
1998.88    1.621    87.52
1999.88    1.625    87.53
2000.88    1.629    87.54
2001.88    1.632    87.55
2002.88    1.635    87.56
2003.88    1.637    87.57
2004.88    1.639    87.58
2005.88    1.641    87.59
2006.88    1.642    87.60
2007.88    1.643    87.61
2008.88    1.643    87.63
2009.88    1.643    87.64
2010.88    1.642    87.65
2011.88    1.641    87.66
2012.88    1.640    87.67
2013.88    1.638    87.68
2014.88    1.636    87.69
2015.88    1.634    87.70
2016.88    1.631    87.71
2017.88    1.627    87.72
2018.88    1.624    87.73
2019.88    1.620    87.74
2020.88    1.615    87.75
2021.88    1.610    87.76
2022.88    1.605    87.77
2023.88    1.600    87.78
2024.88    1.594    87.79
2025.88    1.587    87.80
2026.88    1.581    87.81
2027.88    1.573    87.82
2028.88    1.566    87.83
2029.88    1.558    87.85
2030.88    1.550    87.86
2031.88    1.541    87.87
2032.88    1.532    87.88
2033.88    1.523    87.89
2034.88    1.513    87.90
2035.88    1.503    87.92
2036.88    1.492    87.93
2037.88    1.481    87.94
2038.88    1.470    87.95
2039.88    1.458    87.97
2040.88    1.446    87.98
2041.88    1.434    87.99
2042.88    1.421    88.01
2043.88    1.408    88.02
2044.88    1.394    88.03
2045.88    1.380    88.05
2046.88    1.365    88.06
2047.88    1.350    88.08
2048.88    1.335    88.09
2049.88    1.319    88.11
2050.88    1.303    88.12
2051.88    1.286    88.14
2052.88    1.269    88.16
2053.88    1.251    88.17
2054.88    1.233    88.19
2055.88    1.215    88.21
2056.88    1.196    88.23
2057.88    1.177    88.25
2058.88    1.157    88.27
2059.88    1.136    88.29
2060.88    1.115    88.31
2061.88    1.094    88.33
2062.88    1.072    88.36
2063.88    1.050    88.38
2064.88    1.027    88.41
2065.88    1.003    88.43
2066.88    0.979    88.46
2067.88    0.955    88.49
2068.88    0.930    88.52
2069.88    0.904    88.55
2070.88    0.877    88.59
2071.88    0.850    88.62
2072.88    0.822    88.66
2073.88    0.794    88.71
2074.88    0.765    88.75
2075.88    0.735    88.80
2076.88    0.704    88.85
2077.88    0.673    88.91
2078.88    0.641    88.97
2079.88    0.608    89.04
2080.88    0.574    89.12
2081.88    0.539    89.21
2082.88    0.503    89.31
2083.88    0.466    89.43
2084.88    0.427    89.57
2085.88    0.388    89.73
2086.88    0.347    89.93
2087.88    0.305    90.19
2088.88    0.262    90.53
2089.88    0.217    91.02
2090.88    0.170    91.76
2091.88    0.121    93.09
2092.88    0.071    96.27
2093.88    0.020   116.01
2094.88    0.036   255.16
2095.88    0.083   263.97
2096.88    0.082   267.26
2097.88    0.046    81.86
2098.88    0.169    85.20
2099.88    0.270    85.79
2100.88    0.355    86.08
2101.88    0.431    86.25






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 14:38:35



www.stella-vega.de