Double Star Calculator - Orbit

Orbital Elements for HU1594

WDS:	HU1594	WDS ID/Discoverer
P:	134.510	Orbital period (years)
a:	0.281	Semi-major axis (arcseconds)
i:	64.4	Inclination (degrees)
Ω:	87.3	Longitude of ascending node (degrees)
T:	2028.970	Epoch of periastron passage (year)
e:	0.629	Eccentricity
ω:	21.0	Longitude of periastron (degrees)
Start-Year:	1957.745	Year
End-Year:	2092.255	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1594
Position:	100501.86-511849.1	Epoch-2000 right ascension and declination
WDS-ID:	10050-5119	WDS designation
Discoverer Code:	HU1594	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	87652	HD catalog number
Hipparcos number:	49394	Hipparcos catalog number
V1:	6.81	Magnitude of the primary
V2:	7.16	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2015c	Reference

Double Star Orbit for HU1594

WDS 6th Orbit including measures of HU1594

-- 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 HU1594

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.109    80.93
--------------------------
1957.74    0.439   275.24
1958.74    0.438   275.61
1959.74    0.436   275.98
1960.74    0.435   276.35
1961.74    0.433   276.73
1962.74    0.431   277.11
1963.74    0.429   277.49
1964.74    0.427   277.88
1965.74    0.424   278.27
1966.74    0.422   278.67
1967.74    0.419   279.07
1968.74    0.416   279.48
1969.74    0.412   279.89
1970.74    0.409   280.31
1971.74    0.405   280.74
1972.74    0.401   281.18
1973.74    0.397   281.62
1974.74    0.393   282.08
1975.74    0.389   282.54
1976.74    0.384   283.02
1977.74    0.379   283.51
1978.74    0.374   284.01
1979.74    0.369   284.52
1980.74    0.364   285.05
1981.74    0.358   285.59
1982.74    0.352   286.16
1983.74    0.346   286.74
1984.74    0.340   287.34
1985.74    0.334   287.96
1986.74    0.328   288.61
1987.74    0.321   289.29
1988.74    0.314   289.99
1989.74    0.307   290.73
1990.74    0.300   291.50
1991.74    0.292   292.31
1992.74    0.285   293.16
1993.74    0.277   294.06
1994.74    0.269   295.02
1995.74    0.261   296.03
1996.74    0.253   297.10
1997.74    0.244   298.25
1998.74    0.236   299.48
1999.74    0.227   300.81
2000.74    0.218   302.24
2001.74    0.209   303.80
2002.74    0.200   305.49
2003.74    0.191   307.35
2004.74    0.182   309.40
2005.74    0.173   311.66
2006.74    0.163   314.18
2007.74    0.154   317.00
2008.74    0.145   320.18
2009.74    0.136   323.78
2010.74    0.128   327.87
2011.74    0.119   332.54
2012.74    0.112   337.87
2013.74    0.105   343.95
2014.74    0.099   350.81
2015.74    0.094   358.45
2016.74    0.091     6.78
2017.74    0.089    15.60
2018.74    0.089    24.61
2019.74    0.090    33.51
2020.74    0.093    42.02
2021.74    0.096    49.98
2022.74    0.100    57.33
2023.74    0.104    64.11
2024.74    0.108    70.43
2025.74    0.109    76.45
2026.74    0.109    82.38
2027.74    0.106    88.48
2028.74    0.100    95.10
2029.74    0.092   102.78
2030.74    0.081   112.25
2031.74    0.071   124.56
2032.74    0.062   140.73
2033.74    0.058   160.49
2034.74    0.061   180.82
2035.74    0.069   198.05
2036.74    0.080   210.99
2037.74    0.094   220.39
2038.74    0.109   227.31
2039.74    0.124   232.56
2040.74    0.139   236.67
2041.74    0.154   239.98
2042.74    0.169   242.71
2043.74    0.183   245.02
2044.74    0.196   247.00
2045.74    0.210   248.72
2046.74    0.222   250.25
2047.74    0.235   251.61
2048.74    0.246   252.84
2049.74    0.258   253.95
2050.74    0.269   254.98
2051.74    0.279   255.93
2052.74    0.289   256.81
2053.74    0.299   257.63
2054.74    0.308   258.40
2055.74    0.317   259.13
2056.74    0.325   259.81
2057.74    0.333   260.47
2058.74    0.341   261.09
2059.74    0.349   261.69
2060.74    0.356   262.26
2061.74    0.362   262.81
2062.74    0.369   263.34
2063.74    0.375   263.86
2064.74    0.381   264.35
2065.74    0.386   264.84
2066.74    0.391   265.31
2067.74    0.396   265.76
2068.74    0.401   266.21
2069.74    0.405   266.65
2070.74    0.409   267.08
2071.74    0.413   267.50
2072.74    0.417   267.91
2073.74    0.420   268.31
2074.74    0.423   268.71
2075.74    0.426   269.11
2076.74    0.428   269.50
2077.74    0.431   269.88
2078.74    0.433   270.26
2079.74    0.435   270.64
2080.74    0.436   271.01
2081.74    0.438   271.39
2082.74    0.439   271.75
2083.74    0.440   272.12
2084.74    0.440   272.49
2085.74    0.441   272.86
2086.74    0.441   273.22
2087.74    0.441   273.59
2088.74    0.441   273.95
2089.74    0.441   274.32
2090.74    0.440   274.68
2091.74    0.439   275.05

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 16:23:57