Double Star Calculator - Orbit

Orbital Elements for HU497BC
WDS: HU497BC WDS ID/Discoverer
P: 180.600 Orbital period (years)
a: 0.292 Semi-major axis (arcseconds)
i: 117.1 Inclination (degrees)
Ω: 62.4 Longitude of ascending node (degrees)
T: 2032.450 Epoch of periastron passage (year)
e: 0.313 Eccentricity
ω: 54.2 Longitude of periastron (degrees)
Start-Year: 1934.7 Year
End-Year: 2115.3 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU497BC
Position: 231731.11+165137.0 Epoch-2000 right ascension and declination
WDS-ID: 23175+1652 WDS designation
Discoverer Code: HU497BC Discover designation and components
ADS number: 16648 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 115002 Hipparcos catalog number
V1: 9.5 Magnitude of the primary
V2: 10.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 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: Lin2010c Reference

Double Star Orbit for HU497BC



WDS 6th Orbit including measures of HU497BC

-- 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 HU497BC
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.182    47.29
--------------------------
1934.70    0.293   217.15
1935.70    0.290   216.28
1936.70    0.286   215.40
1937.70    0.282   214.49
1938.70    0.279   213.55
1939.70    0.275   212.59
1940.70    0.271   211.61
1941.70    0.267   210.59
1942.70    0.263   209.54
1943.70    0.259   208.46
1944.70    0.255   207.35
1945.70    0.251   206.20
1946.70    0.247   205.01
1947.70    0.242   203.78
1948.70    0.238   202.51
1949.70    0.234   201.19
1950.70    0.230   199.82
1951.70    0.226   198.41
1952.70    0.222   196.93
1953.70    0.217   195.41
1954.70    0.213   193.82
1955.70    0.209   192.17
1956.70    0.205   190.46
1957.70    0.201   188.68
1958.70    0.197   186.83
1959.70    0.194   184.91
1960.70    0.190   182.91
1961.70    0.187   180.84
1962.70    0.183   178.69
1963.70    0.180   176.47
1964.70    0.177   174.16
1965.70    0.174   171.78
1966.70    0.172   169.32
1967.70    0.169   166.79
1968.70    0.167   164.20
1969.70    0.165   161.53
1970.70    0.164   158.81
1971.70    0.162   156.04
1972.70    0.161   153.23
1973.70    0.160   150.38
1974.70    0.160   147.50
1975.70    0.159   144.61
1976.70    0.159   141.72
1977.70    0.160   138.84
1978.70    0.160   135.97
1979.70    0.161   133.13
1980.70    0.162   130.32
1981.70    0.164   127.56
1982.70    0.166   124.85
1983.70    0.167   122.19
1984.70    0.170   119.60
1985.70    0.172   117.08
1986.70    0.174   114.62
1987.70    0.177   112.23
1988.70    0.180   109.92
1989.70    0.182   107.67
1990.70    0.185   105.50
1991.70    0.188   103.39
1992.70    0.191   101.35
1993.70    0.194    99.37
1994.70    0.198    97.46
1995.70    0.201    95.61
1996.70    0.204    93.81
1997.70    0.207    92.06
1998.70    0.210    90.36
1999.70    0.212    88.71
2000.70    0.215    87.10
2001.70    0.218    85.53
2002.70    0.220    84.00
2003.70    0.222    82.49
2004.70    0.224    81.02
2005.70    0.226    79.57
2006.70    0.228    78.14
2007.70    0.229    76.73
2008.70    0.230    75.33
2009.70    0.231    73.95
2010.70    0.231    72.57
2011.70    0.231    71.19
2012.70    0.231    69.82
2013.70    0.230    68.43
2014.70    0.229    67.04
2015.70    0.228    65.63
2016.70    0.226    64.20
2017.70    0.223    62.74
2018.70    0.220    61.24
2019.70    0.217    59.71
2020.70    0.213    58.12
2021.70    0.209    56.47
2022.70    0.204    54.75
2023.70    0.199    52.94
2024.70    0.194    51.04
2025.70    0.188    49.01
2026.70    0.181    46.85
2027.70    0.174    44.52
2028.70    0.167    41.99
2029.70    0.160    39.24
2030.70    0.152    36.21
2031.70    0.145    32.87
2032.70    0.137    29.15
2033.70    0.129    25.00
2034.70    0.122    20.35
2035.70    0.115    15.12
2036.70    0.109     9.28
2037.70    0.104     2.80
2038.70    0.100   355.70
2039.70    0.097   348.08
2040.70    0.096   340.12
2041.70    0.096   332.06
2042.70    0.097   324.16
2043.70    0.101   316.65
2044.70    0.105   309.69
2045.70    0.111   303.36
2046.70    0.117   297.69
2047.70    0.124   292.65
2048.70    0.132   288.18
2049.70    0.140   284.21
2050.70    0.149   280.69
2051.70    0.157   277.54
2052.70    0.166   274.71
2053.70    0.174   272.17
2054.70    0.183   269.86
2055.70    0.191   267.76
2056.70    0.200   265.83
2057.70    0.208   264.06
2058.70    0.216   262.42
2059.70    0.223   260.89
2060.70    0.231   259.46
2061.70    0.238   258.12
2062.70    0.245   256.86
2063.70    0.252   255.67
2064.70    0.258   254.54
2065.70    0.265   253.47
2066.70    0.271   252.44
2067.70    0.276   251.46
2068.70    0.282   250.51
2069.70    0.287   249.60
2070.70    0.292   248.73
2071.70    0.297   247.88
2072.70    0.301   247.05
2073.70    0.305   246.25
2074.70    0.309   245.47
2075.70    0.313   244.71
2076.70    0.316   243.97
2077.70    0.319   243.24
2078.70    0.322   242.52
2079.70    0.325   241.82
2080.70    0.327   241.13
2081.70    0.329   240.44
2082.70    0.331   239.77
2083.70    0.333   239.10
2084.70    0.334   238.44
2085.70    0.336   237.78
2086.70    0.337   237.13
2087.70    0.337   236.49
2088.70    0.338   235.84
2089.70    0.339   235.20
2090.70    0.339   234.56
2091.70    0.339   233.92
2092.70    0.339   233.28
2093.70    0.338   232.63
2094.70    0.338   231.99
2095.70    0.337   231.35
2096.70    0.336   230.70
2097.70    0.335   230.04
2098.70    0.334   229.39
2099.70    0.333   228.73
2100.70    0.331   228.06
2101.70    0.329   227.38
2102.70    0.328   226.70
2103.70    0.326   226.01
2104.70    0.323   225.31
2105.70    0.321   224.61
2106.70    0.319   223.89
2107.70    0.316   223.16
2108.70    0.314   222.42
2109.70    0.311   221.66
2110.70    0.308   220.89
2111.70    0.305   220.11
2112.70    0.302   219.31
2113.70    0.299   218.49
2114.70    0.295   217.66






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 18:49:26



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