Double Star Calculator - Orbit

Orbital Elements for HU1393

WDS:	HU1393	WDS ID/Discoverer
P:	130.000	Orbital period (years)
a:	0.659	Semi-major axis (arcseconds)
i:	113.5	Inclination (degrees)
Ω:	205.9	Longitude of ascending node (degrees)
T:	2019.040	Epoch of periastron passage (year)
e:	0.985	Eccentricity
ω:	73.7	Longitude of periastron (degrees)
Start-Year:	1960.0	Year
End-Year:	2090.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1393
Position:	053526.75-331609.2	Epoch-2000 right ascension and declination
WDS-ID:	05354-3316	WDS designation
Discoverer Code:	HU1393	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	26245	Hipparcos catalog number
V1:	6.99	Magnitude of the primary
V2:	8.68	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2020e	Reference

Double Star Orbit for HU1393

WDS 6th Orbit including measures of HU1393

-- 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 HU1393

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.296   350.36
--------------------------
1960.00    0.610   330.85
1961.00    0.607   330.63
1962.00    0.605   330.41
1963.00    0.602   330.18
1964.00    0.599   329.95
1965.00    0.596   329.72
1966.00    0.592   329.48
1967.00    0.589   329.24
1968.00    0.585   329.00
1969.00    0.581   328.76
1970.00    0.577   328.52
1971.00    0.573   328.26
1972.00    0.569   328.01
1973.00    0.564   327.75
1974.00    0.559   327.49
1975.00    0.554   327.22
1976.00    0.549   326.95
1977.00    0.544   326.67
1978.00    0.538   326.39
1979.00    0.532   326.10
1980.00    0.526   325.81
1981.00    0.520   325.50
1982.00    0.514   325.20
1983.00    0.507   324.88
1984.00    0.500   324.55
1985.00    0.493   324.22
1986.00    0.486   323.87
1987.00    0.479   323.52
1988.00    0.471   323.15
1989.00    0.463   322.77
1990.00    0.455   322.38
1991.00    0.446   321.97
1992.00    0.438   321.55
1993.00    0.429   321.10
1994.00    0.420   320.65
1995.00    0.410   320.16
1996.00    0.400   319.66
1997.00    0.390   319.13
1998.00    0.380   318.57
1999.00    0.369   317.98
2000.00    0.358   317.36
2001.00    0.347   316.69
2002.00    0.335   315.98
2003.00    0.323   315.21
2004.00    0.310   314.39
2005.00    0.297   313.49
2006.00    0.284   312.51
2007.00    0.270   311.44
2008.00    0.256   310.24
2009.00    0.241   308.89
2010.00    0.225   307.36
2011.00    0.208   305.60
2012.00    0.191   303.52
2013.00    0.173   301.03
2014.00    0.154   297.94
2015.00    0.134   293.94
2016.00    0.112   288.44
2017.00    0.088   280.11
2018.00    0.061   264.97
2019.00    0.014   202.87
2020.00    0.100     5.50
2021.00    0.147     0.01
2022.00    0.183   356.97
2023.00    0.214   354.86
2024.00    0.240   353.25
2025.00    0.264   351.95
2026.00    0.285   350.85
2027.00    0.305   349.91
2028.00    0.324   349.07
2029.00    0.341   348.32
2030.00    0.357   347.64
2031.00    0.372   347.02
2032.00    0.387   346.45
2033.00    0.400   345.91
2034.00    0.413   345.41
2035.00    0.425   344.94
2036.00    0.437   344.50
2037.00    0.448   344.07
2038.00    0.459   343.67
2039.00    0.469   343.29
2040.00    0.478   342.92
2041.00    0.487   342.56
2042.00    0.496   342.22
2043.00    0.505   341.89
2044.00    0.513   341.57
2045.00    0.520   341.26
2046.00    0.527   340.96
2047.00    0.534   340.66
2048.00    0.541   340.38
2049.00    0.547   340.10
2050.00    0.553   339.82
2051.00    0.559   339.56
2052.00    0.565   339.30
2053.00    0.570   339.04
2054.00    0.575   338.79
2055.00    0.579   338.54
2056.00    0.584   338.29
2057.00    0.588   338.05
2058.00    0.592   337.81
2059.00    0.595   337.58
2060.00    0.599   337.35
2061.00    0.602   337.12
2062.00    0.605   336.89
2063.00    0.608   336.66
2064.00    0.610   336.44
2065.00    0.613   336.22
2066.00    0.615   336.00
2067.00    0.617   335.78
2068.00    0.619   335.57
2069.00    0.620   335.35
2070.00    0.622   335.14
2071.00    0.623   334.92
2072.00    0.624   334.71
2073.00    0.624   334.50
2074.00    0.625   334.28
2075.00    0.625   334.07
2076.00    0.626   333.86
2077.00    0.626   333.65
2078.00    0.626   333.44
2079.00    0.625   333.23
2080.00    0.625   333.02
2081.00    0.624   332.80
2082.00    0.623   332.59
2083.00    0.622   332.38
2084.00    0.621   332.16
2085.00    0.619   331.95
2086.00    0.618   331.73
2087.00    0.616   331.51
2088.00    0.614   331.30
2089.00    0.612   331.08

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 15:39:04