Double Star Calculator - Orbit

Orbital Elements for HU95

WDS:	HU95	WDS ID/Discoverer
P:	161.730	Orbital period (years)
a:	0.4	Semi-major axis (arcseconds)
i:	155.6	Inclination (degrees)
Ω:	19.3	Longitude of ascending node (degrees)
T:	1943.300	Epoch of periastron passage (year)
e:	0.371	Eccentricity
ω:	290.7	Longitude of periastron (degrees)
Start-Year:	1944.135	Year
End-Year:	2105.865	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU95
Position:	232150.70-121604.7	Epoch-2000 right ascension and declination
WDS-ID:	23218-1217	WDS designation
Discoverer Code:	HU95	Discover designation and components
ADS number:	16700	Aitken Double Star catalog
HD number:	220188	HD catalog number
Hipparcos number:	115346	Hipparcos catalog number
V1:	10.26	Magnitude of the primary
V2:	11.40	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	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:	Tok2023a	Reference

Double Star Orbit for HU95

WDS 6th Orbit including measures of HU95

-- 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 HU95

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.507   264.02
--------------------------
1944.13    0.234    82.12
1945.13    0.236    76.65
1946.13    0.239    71.31
1947.13    0.243    66.12
1948.13    0.247    61.09
1949.13    0.252    56.25
1950.13    0.257    51.59
1951.13    0.262    47.11
1952.13    0.268    42.82
1953.13    0.273    38.70
1954.13    0.279    34.76
1955.13    0.285    30.97
1956.13    0.291    27.35
1957.13    0.297    23.86
1958.13    0.303    20.51
1959.13    0.309    17.29
1960.13    0.314    14.18
1961.13    0.320    11.19
1962.13    0.326     8.30
1963.13    0.331     5.50
1964.13    0.336     2.79
1965.13    0.342     0.17
1966.13    0.347   357.63
1967.13    0.352   355.16
1968.13    0.357   352.76
1969.13    0.361   350.42
1970.13    0.366   348.14
1971.13    0.371   345.92
1972.13    0.375   343.76
1973.13    0.380   341.64
1974.13    0.384   339.58
1975.13    0.388   337.55
1976.13    0.392   335.58
1977.13    0.396   333.64
1978.13    0.400   331.74
1979.13    0.404   329.88
1980.13    0.408   328.05
1981.13    0.412   326.26
1982.13    0.415   324.50
1983.13    0.419   322.76
1984.13    0.422   321.06
1985.13    0.426   319.39
1986.13    0.429   317.74
1987.13    0.432   316.11
1988.13    0.436   314.51
1989.13    0.439   312.94
1990.13    0.442   311.38
1991.13    0.445   309.85
1992.13    0.448   308.34
1993.13    0.450   306.84
1994.13    0.453   305.37
1995.13    0.456   303.91
1996.13    0.459   302.47
1997.13    0.461   301.05
1998.13    0.464   299.64
1999.13    0.466   298.25
2000.13    0.469   296.87
2001.13    0.471   295.50
2002.13    0.473   294.15
2003.13    0.476   292.82
2004.13    0.478   291.49
2005.13    0.480   290.18
2006.13    0.482   288.87
2007.13    0.484   287.58
2008.13    0.486   286.30
2009.13    0.487   285.02
2010.13    0.489   283.76
2011.13    0.491   282.51
2012.13    0.492   281.26
2013.13    0.494   280.02
2014.13    0.495   278.79
2015.13    0.497   277.57
2016.13    0.498   276.35
2017.13    0.499   275.14
2018.13    0.500   273.93
2019.13    0.502   272.73
2020.13    0.503   271.54
2021.13    0.503   270.35
2022.13    0.504   269.16
2023.13    0.505   267.98
2024.13    0.506   266.80
2025.13    0.506   265.62
2026.13    0.507   264.45
2027.13    0.507   263.28
2028.13    0.508   262.11
2029.13    0.508   260.94
2030.13    0.508   259.78
2031.13    0.508   258.61
2032.13    0.508   257.44
2033.13    0.508   256.28
2034.13    0.508   255.11
2035.13    0.508   253.94
2036.13    0.507   252.77
2037.13    0.507   251.60
2038.13    0.506   250.43
2039.13    0.505   249.25
2040.13    0.505   248.07
2041.13    0.504   246.88
2042.13    0.503   245.69
2043.13    0.502   244.50
2044.13    0.500   243.30
2045.13    0.499   242.09
2046.13    0.498   240.88
2047.13    0.496   239.66
2048.14    0.494   238.43
2049.14    0.492   237.19
2050.14    0.490   235.94
2051.14    0.488   234.69
2052.14    0.486   233.42
2053.14    0.484   232.14
2054.14    0.481   230.84
2055.14    0.479   229.54
2056.14    0.476   228.22
2057.14    0.473   226.88
2058.14    0.470   225.52
2059.14    0.467   224.15
2060.14    0.464   222.76
2061.14    0.460   221.35
2062.14    0.456   219.91
2063.14    0.453   218.46
2064.14    0.449   216.97
2065.14    0.445   215.46
2066.14    0.440   213.92
2067.14    0.436   212.35
2068.14    0.431   210.75
2069.14    0.426   209.11
2070.14    0.422   207.44
2071.14    0.416   205.72
2072.14    0.411   203.97
2073.14    0.406   202.16
2074.14    0.400   200.30
2075.14    0.394   198.39
2076.14    0.388   196.43
2077.14    0.382   194.40
2078.14    0.376   192.30
2079.14    0.369   190.13
2080.14    0.363   187.88
2081.14    0.356   185.55
2082.14    0.349   183.13
2083.14    0.342   180.60
2084.14    0.335   177.98
2085.14    0.328   175.23
2086.14    0.320   172.36
2087.14    0.313   169.36
2088.14    0.306   166.21
2089.14    0.298   162.91
2090.14    0.291   159.44
2091.14    0.284   155.80
2092.14    0.277   151.97
2093.14    0.270   147.94
2094.14    0.264   143.71
2095.14    0.258   139.28
2096.14    0.252   134.64
2097.14    0.247   129.79
2098.14    0.242   124.75
2099.14    0.238   119.54
2100.14    0.235   114.16
2101.14    0.233   108.67
2102.14    0.232   103.08
2103.14    0.231    97.44
2104.14    0.231    91.79
2105.14    0.232    86.18

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 18:50:16