Double Star Calculator - Orbit

Orbital Elements for HU163

WDS:	HU163	WDS ID/Discoverer
P:	160.000	Orbital period (years)
a:	0.1994	Semi-major axis (arcseconds)
i:	93.8	Inclination (degrees)
Ω:	154.7	Longitude of ascending node (degrees)
T:	2009.000	Epoch of periastron passage (year)
e:	0.73	Eccentricity
ω:	28.6	Longitude of periastron (degrees)
Start-Year:	1945.0	Year
End-Year:	2105.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU163
Position:	170113.55-121301.8	Epoch-2000 right ascension and declination
WDS-ID:	17012-1213	WDS designation
Discoverer Code:	HU163	Discover designation and components
ADS number:	10305	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	83283	Hipparcos catalog number
V1:	9.6	Magnitude of the primary
V2:	9.9	Magnitude of the secondary
Equinox:		Equinox
Date:	2019	Date of last observation
Orbit grade:	4	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 HU163

WDS 6th Orbit including measures of HU163

-- 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 HU163

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.164   336.18
--------------------------
1945.00    0.268   331.84
1946.00    0.265   331.79
1947.00    0.262   331.73
1948.00    0.259   331.67
1949.00    0.256   331.61
1950.00    0.253   331.54
1951.00    0.249   331.48
1952.00    0.246   331.41
1953.00    0.242   331.35
1954.00    0.239   331.28
1955.00    0.235   331.20
1956.00    0.231   331.13
1957.00    0.227   331.05
1958.00    0.223   330.97
1959.00    0.219   330.89
1960.00    0.215   330.80
1961.00    0.211   330.71
1962.00    0.207   330.62
1963.00    0.202   330.53
1964.00    0.198   330.42
1965.00    0.193   330.32
1966.00    0.188   330.21
1967.00    0.184   330.09
1968.00    0.179   329.97
1969.00    0.174   329.84
1970.00    0.169   329.70
1971.00    0.164   329.55
1972.00    0.158   329.39
1973.00    0.153   329.23
1974.00    0.147   329.05
1975.00    0.142   328.85
1976.00    0.136   328.64
1977.00    0.131   328.42
1978.00    0.125   328.17
1979.00    0.119   327.89
1980.00    0.113   327.59
1981.00    0.107   327.25
1982.00    0.100   326.87
1983.00    0.094   326.45
1984.00    0.088   325.95
1985.00    0.081   325.38
1986.00    0.074   324.71
1987.00    0.068   323.91
1988.00    0.061   322.93
1989.00    0.054   321.71
1990.00    0.047   320.12
1991.00    0.040   317.99
1992.00    0.033   314.97
1993.00    0.026   310.36
1994.00    0.020   302.55
1995.00    0.014   287.37
1996.00    0.010   255.50
1997.00    0.011   213.04
1998.00    0.016   188.01
1999.00    0.022   176.08
2000.00    0.029   169.59
2001.00    0.035   165.57
2002.00    0.042   162.81
2003.00    0.048   160.76
2004.00    0.053   159.15
2005.00    0.057   157.80
2006.00    0.059   156.59
2007.00    0.058   155.42
2008.00    0.055   154.17
2009.00    0.047   152.63
2010.00    0.036   150.29
2011.00    0.023   145.39
2012.00    0.008   123.79
2013.00    0.010     5.07
2014.00    0.024   347.09
2015.00    0.038   342.70
2016.00    0.052   340.70
2017.00    0.066   339.52
2018.00    0.078   338.74
2019.00    0.090   338.16
2020.00    0.102   337.72
2021.00    0.113   337.37
2022.00    0.123   337.08
2023.00    0.133   336.83
2024.00    0.142   336.62
2025.00    0.151   336.43
2026.00    0.160   336.26
2027.00    0.168   336.11
2028.00    0.176   335.97
2029.00    0.183   335.84
2030.00    0.190   335.73
2031.00    0.197   335.62
2032.00    0.204   335.52
2033.00    0.210   335.42
2034.00    0.216   335.33
2035.00    0.222   335.25
2036.00    0.227   335.17
2037.00    0.233   335.09
2038.00    0.238   335.02
2039.00    0.242   334.95
2040.00    0.247   334.88
2041.00    0.252   334.82
2042.00    0.256   334.75
2043.00    0.260   334.69
2044.00    0.264   334.63
2045.00    0.267   334.58
2046.00    0.271   334.52
2047.00    0.274   334.47
2048.00    0.278   334.41
2049.00    0.281   334.36
2050.00    0.284   334.31
2051.00    0.286   334.26
2052.00    0.289   334.21
2053.00    0.291   334.16
2054.00    0.294   334.12
2055.00    0.296   334.07
2056.00    0.298   334.02
2057.00    0.300   333.98
2058.00    0.302   333.93
2059.00    0.303   333.89
2060.00    0.305   333.84
2061.00    0.306   333.80
2062.00    0.308   333.76
2063.00    0.309   333.72
2064.00    0.310   333.67
2065.00    0.311   333.63
2066.00    0.312   333.59
2067.00    0.313   333.55
2068.00    0.313   333.51
2069.00    0.314   333.47
2070.00    0.314   333.42
2071.00    0.314   333.38
2072.00    0.315   333.34
2073.00    0.315   333.30
2074.00    0.315   333.26
2075.00    0.315   333.22
2076.00    0.314   333.18
2077.00    0.314   333.14
2078.00    0.314   333.10
2079.00    0.313   333.06
2080.00    0.313   333.01
2081.00    0.312   332.97
2082.00    0.311   332.93
2083.00    0.310   332.89
2084.00    0.309   332.85
2085.00    0.308   332.80
2086.00    0.307   332.76
2087.00    0.306   332.72
2088.00    0.304   332.67
2089.00    0.303   332.63
2090.00    0.302   332.59
2091.00    0.300   332.54
2092.00    0.298   332.50
2093.00    0.296   332.45
2094.00    0.295   332.40
2095.00    0.293   332.36
2096.00    0.291   332.31
2097.00    0.288   332.26
2098.00    0.286   332.21
2099.00    0.284   332.16
2100.00    0.281   332.11
2101.00    0.279   332.06
2102.00    0.276   332.01
2103.00    0.274   331.95
2104.00    0.271   331.90

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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 17:33:00