Double Star Calculator - Orbit

Orbital Elements for HU506
WDS: HU506 WDS ID/Discoverer
P: 169.760 Orbital period (years)
a: 0.211 Semi-major axis (arcseconds)
i: 64.0 Inclination (degrees)
Ω: 29.0 Longitude of ascending node (degrees)
T: 1953.643 Epoch of periastron passage (year)
e: 0.176 Eccentricity
ω: 308.2 Longitude of periastron (degrees)
Start-Year: 1940.12 Year
End-Year: 2109.88 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU506
Position: 002415.64+520111.7 Epoch-2000 right ascension and declination
WDS-ID: 00243+5201 WDS designation
Discoverer Code: HU506 Discover designation and components
ADS number: 328 Aitken Double Star catalog
HD number: 1976 HD catalog number
Hipparcos number: 1921 Hipparcos catalog number
V1: 5.95 Magnitude of the primary
V2: 6.84 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2004 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: Hmn2018 Reference

Double Star Orbit for HU506



WDS 6th Orbit including measures of HU506

-- 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 HU506
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.131   158.58
--------------------------
1940.12    0.079   293.64
1941.12    0.079   300.18
1942.12    0.079   306.75
1943.12    0.080   313.22
1944.12    0.082   319.46
1945.12    0.084   325.37
1946.12    0.088   330.89
1947.12    0.091   335.98
1948.12    0.096   340.64
1949.12    0.100   344.89
1950.12    0.105   348.76
1951.12    0.110   352.29
1952.12    0.115   355.50
1953.12    0.120   358.44
1954.12    0.126     1.14
1955.12    0.131     3.62
1956.12    0.136     5.92
1957.12    0.141     8.05
1958.12    0.145    10.05
1959.12    0.150    11.92
1960.12    0.154    13.68
1961.12    0.158    15.35
1962.12    0.162    16.93
1963.12    0.166    18.45
1964.12    0.169    19.90
1965.12    0.172    21.30
1966.12    0.175    22.65
1967.12    0.177    23.96
1968.12    0.180    25.24
1969.12    0.181    26.49
1970.12    0.183    27.71
1971.12    0.184    28.92
1972.12    0.185    30.11
1973.12    0.186    31.29
1974.12    0.186    32.47
1975.12    0.186    33.64
1976.12    0.186    34.82
1977.12    0.186    35.99
1978.12    0.185    37.18
1979.12    0.184    38.37
1980.12    0.183    39.58
1981.12    0.182    40.81
1982.12    0.180    42.05
1983.12    0.178    43.33
1984.12    0.176    44.63
1985.12    0.174    45.96
1986.12    0.171    47.33
1987.12    0.169    48.74
1988.12    0.166    50.20
1989.12    0.163    51.70
1990.12    0.160    53.26
1991.12    0.157    54.88
1992.12    0.154    56.57
1993.12    0.151    58.33
1994.12    0.147    60.16
1995.12    0.144    62.08
1996.12    0.141    64.09
1997.12    0.137    66.20
1998.12    0.134    68.42
1999.12    0.131    70.74
2000.12    0.128    73.18
2001.12    0.125    75.75
2002.12    0.122    78.44
2003.12    0.119    81.26
2004.12    0.116    84.22
2005.12    0.114    87.31
2006.12    0.111    90.53
2007.12    0.109    93.87
2008.12    0.108    97.34
2009.12    0.106   100.90
2010.12    0.105   104.55
2011.12    0.104   108.26
2012.12    0.104   112.02
2013.12    0.104   115.80
2014.12    0.104   119.57
2015.12    0.105   123.31
2016.12    0.106   127.00
2017.12    0.107   130.61
2018.12    0.108   134.12
2019.12    0.110   137.53
2020.12    0.113   140.81
2021.12    0.115   143.96
2022.12    0.118   146.97
2023.12    0.120   149.85
2024.12    0.123   152.59
2025.12    0.127   155.20
2026.12    0.130   157.67
2027.12    0.133   160.02
2028.12    0.137   162.25
2029.12    0.141   164.37
2030.12    0.144   166.38
2031.12    0.148   168.29
2032.12    0.152   170.10
2033.12    0.156   171.83
2034.12    0.159   173.47
2035.12    0.163   175.04
2036.12    0.167   176.54
2037.12    0.171   177.97
2038.12    0.174   179.34
2039.12    0.178   180.66
2040.12    0.181   181.92
2041.12    0.185   183.14
2042.12    0.188   184.31
2043.12    0.192   185.44
2044.12    0.195   186.53
2045.12    0.198   187.58
2046.12    0.201   188.61
2047.12    0.204   189.60
2048.12    0.207   190.57
2049.12    0.209   191.51
2050.12    0.212   192.42
2051.12    0.214   193.32
2052.12    0.217   194.19
2053.12    0.219   195.05
2054.12    0.221   195.89
2055.12    0.223   196.72
2056.12    0.225   197.54
2057.12    0.226   198.34
2058.12    0.228   199.13
2059.12    0.229   199.91
2060.12    0.230   200.69
2061.12    0.231   201.46
2062.12    0.231   202.22
2063.12    0.232   202.98
2064.12    0.232   203.73
2065.12    0.232   204.49
2066.12    0.232   205.24
2067.12    0.232   206.00
2068.12    0.232   206.75
2069.12    0.231   207.51
2070.12    0.230   208.28
2071.12    0.229   209.05
2072.12    0.228   209.83
2073.12    0.227   210.62
2074.12    0.225   211.41
2075.12    0.223   212.22
2076.12    0.221   213.05
2077.12    0.219   213.89
2078.12    0.217   214.75
2079.12    0.214   215.63
2080.12    0.211   216.53
2081.12    0.208   217.46
2082.12    0.205   218.42
2083.12    0.201   219.41
2084.12    0.198   220.43
2085.12    0.194   221.50
2086.12    0.190   222.61
2087.12    0.185   223.77
2088.12    0.181   224.98
2089.12    0.176   226.26
2090.12    0.171   227.61
2091.12    0.167   229.03
2092.12    0.161   230.55
2093.12    0.156   232.16
2094.12    0.151   233.89
2095.12    0.145   235.75
2096.12    0.140   237.75
2097.12    0.134   239.91
2098.12    0.129   242.27
2099.12    0.123   244.83
2100.12    0.118   247.64
2101.12    0.112   250.72
2102.12    0.107   254.11
2103.12    0.102   257.85
2104.12    0.097   261.96
2105.12    0.093   266.49
2106.12    0.089   271.44
2107.12    0.085   276.83
2108.12    0.082   282.63
2109.12    0.080   288.78






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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 14:38:56



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