Double Star Calculator - Orbit

Orbital Elements for HU337
WDS: HU337 WDS ID/Discoverer
P: 207.400 Orbital period (years)
a: 0.256 Semi-major axis (arcseconds)
i: 109.6 Inclination (degrees)
Ω: 70.3 Longitude of ascending node (degrees)
T: 2059.400 Epoch of periastron passage (year)
e: 0.3 Eccentricity
ω: 79.8 Longitude of periastron (degrees)
Start-Year: 1921.3 Year
End-Year: 2128.7 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU337
Position: 191848.90+173622.8 Epoch-2000 right ascension and declination
WDS-ID: 19188+1736 WDS designation
Discoverer Code: HU337 Discover designation and components
ADS number: 12301 Aitken Double Star catalog
HD number: 231121 HD catalog number
Hipparcos number: 94911 Hipparcos catalog number
V1: 9.27 Magnitude of the primary
V2: 10.14 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 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: Tok2022g Reference

Double Star Orbit for HU337



WDS 6th Orbit including measures of HU337

-- 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 HU337
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.230    74.14
--------------------------
1921.30    0.232   232.16
1922.30    0.229   231.48
1923.30    0.227   230.78
1924.30    0.224   230.07
1925.30    0.221   229.33
1926.30    0.218   228.58
1927.30    0.215   227.80
1928.30    0.212   227.01
1929.30    0.209   226.19
1930.30    0.206   225.34
1931.30    0.203   224.47
1932.30    0.199   223.57
1933.30    0.196   222.64
1934.30    0.193   221.68
1935.30    0.189   220.68
1936.30    0.186   219.65
1937.30    0.183   218.58
1938.30    0.179   217.47
1939.30    0.176   216.31
1940.30    0.172   215.11
1941.30    0.169   213.86
1942.30    0.165   212.56
1943.30    0.162   211.20
1944.30    0.159   209.78
1945.30    0.155   208.30
1946.30    0.152   206.76
1947.30    0.149   205.15
1948.30    0.146   203.47
1949.30    0.142   201.71
1950.30    0.139   199.88
1951.30    0.136   197.96
1952.30    0.133   195.96
1953.30    0.131   193.87
1954.30    0.128   191.70
1955.30    0.126   189.44
1956.30    0.123   187.09
1957.30    0.121   184.65
1958.30    0.119   182.13
1959.30    0.117   179.52
1960.30    0.116   176.84
1961.30    0.114   174.09
1962.30    0.113   171.27
1963.30    0.112   168.41
1964.30    0.112   165.50
1965.30    0.111   162.56
1966.30    0.111   159.60
1967.30    0.111   156.64
1968.30    0.111   153.69
1969.30    0.112   150.75
1970.30    0.112   147.86
1971.30    0.113   145.00
1972.30    0.115   142.21
1973.30    0.116   139.48
1974.30    0.118   136.82
1975.30    0.120   134.23
1976.30    0.122   131.74
1977.30    0.124   129.32
1978.30    0.126   126.99
1979.30    0.129   124.76
1980.30    0.131   122.60
1981.30    0.134   120.54
1982.30    0.137   118.56
1983.30    0.140   116.66
1984.30    0.143   114.84
1985.30    0.146   113.10
1986.30    0.149   111.43
1987.30    0.152   109.82
1988.30    0.156   108.29
1989.30    0.159   106.82
1990.30    0.162   105.40
1991.30    0.165   104.05
1992.30    0.169   102.74
1993.30    0.172   101.49
1994.30    0.175   100.28
1995.30    0.178    99.12
1996.30    0.182    97.99
1997.30    0.185    96.91
1998.30    0.188    95.86
1999.30    0.191    94.85
2000.30    0.194    93.87
2001.30    0.197    92.91
2002.30    0.200    91.99
2003.30    0.203    91.09
2004.30    0.205    90.22
2005.30    0.208    89.37
2006.30    0.211    88.54
2007.30    0.213    87.72
2008.30    0.215    86.93
2009.30    0.218    86.15
2010.30    0.220    85.39
2011.30    0.222    84.64
2012.30    0.223    83.91
2013.30    0.225    83.18
2014.30    0.227    82.47
2015.30    0.228    81.76
2016.30    0.229    81.07
2017.30    0.230    80.38
2018.30    0.231    79.69
2019.30    0.232    79.01
2020.30    0.232    78.33
2021.30    0.232    77.66
2022.30    0.232    76.98
2023.30    0.232    76.31
2024.30    0.232    75.63
2025.30    0.231    74.96
2026.30    0.230    74.27
2027.30    0.229    73.58
2028.30    0.228    72.89
2029.30    0.227    72.18
2030.30    0.225    71.47
2031.30    0.223    70.74
2032.30    0.220    70.00
2033.30    0.218    69.24
2034.30    0.215    68.46
2035.30    0.211    67.66
2036.30    0.208    66.83
2037.30    0.204    65.97
2038.30    0.200    65.08
2039.30    0.196    64.15
2040.30    0.191    63.17
2041.30    0.186    62.15
2042.30    0.180    61.06
2043.30    0.175    59.91
2044.30    0.169    58.68
2045.30    0.163    57.36
2046.30    0.156    55.93
2047.30    0.150    54.38
2048.30    0.143    52.68
2049.30    0.136    50.80
2050.30    0.129    48.72
2051.30    0.121    46.39
2052.30    0.114    43.75
2053.30    0.106    40.75
2054.30    0.099    37.30
2055.30    0.092    33.30
2056.30    0.085    28.63
2057.30    0.078    23.16
2058.30    0.073    16.75
2059.30    0.068     9.31
2060.30    0.064     0.83
2061.30    0.061   351.46
2062.30    0.060   341.56
2063.30    0.061   331.64
2064.30    0.063   322.21
2065.30    0.067   313.65
2066.30    0.072   306.13
2067.30    0.078   299.65
2068.30    0.084   294.12
2069.30    0.091   289.40
2070.30    0.099   285.37
2071.30    0.106   281.89
2072.30    0.114   278.88
2073.30    0.121   276.24
2074.30    0.129   273.91
2075.30    0.136   271.83
2076.30    0.144   269.97
2077.30    0.151   268.29
2078.30    0.158   266.76
2079.30    0.165   265.36
2080.30    0.171   264.07
2081.30    0.178   262.87
2082.30    0.184   261.76
2083.30    0.190   260.71
2084.30    0.195   259.73
2085.30    0.201   258.80
2086.30    0.206   257.92
2087.30    0.211   257.08
2088.30    0.216   256.28
2089.30    0.220   255.51
2090.30    0.224   254.78
2091.30    0.228   254.06
2092.30    0.232   253.38
2093.30    0.235   252.71
2094.30    0.238   252.06
2095.30    0.241   251.42
2096.30    0.244   250.81
2097.30    0.246   250.20
2098.30    0.249   249.61
2099.30    0.251   249.02
2100.30    0.253   248.45
2101.30    0.254   247.88
2102.30    0.255   247.32
2103.30    0.257   246.76
2104.30    0.258   246.21
2105.30    0.258   245.67
2106.30    0.259   245.12
2107.30    0.259   244.58
2108.30    0.260   244.04
2109.30    0.260   243.50
2110.30    0.260   242.96
2111.30    0.259   242.42
2112.30    0.259   241.88
2113.30    0.258   241.34
2114.30    0.258   240.79
2115.30    0.257   240.24
2116.30    0.256   239.68
2117.30    0.254   239.12
2118.30    0.253   238.56
2119.30    0.252   237.99
2120.30    0.250   237.41
2121.30    0.248   236.82
2122.30    0.246   236.23
2123.30    0.244   235.62
2124.30    0.242   235.01
2125.30    0.240   234.38
2126.30    0.238   233.75
2127.30    0.236   233.10
2128.30    0.233   232.43






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 18:02:47



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