Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:19:40

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:	1941.0	Year
End-Year:	2109.0	Year
Epoch:	2025.0	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' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU506

WDS 6th Orbit including measures of HU506

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)

Ephemeris of HU506

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.126    154.9
-------------------------
1941.0     0.079    299.4
1942.0     0.079    306.0
1943.0     0.080    312.5
1944.0     0.082    318.7
1945.0     0.084    324.7
1946.0     0.087    330.2
1947.0     0.091    335.4
1948.0     0.095    340.1
1949.0     0.100    344.4
1950.0     0.104    348.3
1951.0     0.109    351.9
1952.0     0.115    355.1
1953.0     0.120    358.1
1954.0     0.125      0.8
1955.0     0.130      3.3
1956.0     0.135      5.7
1957.0     0.140      7.8
1958.0     0.145      9.8
1959.0     0.149     11.7
1960.0     0.154     13.5
1961.0     0.158     15.2
1962.0     0.162     16.7
1963.0     0.165     18.3
1964.0     0.169     19.7
1965.0     0.172     21.1
1966.0     0.175     22.5
1967.0     0.177     23.8
1968.0     0.179     25.1
1969.0     0.181     26.3
1970.0     0.183     27.6
1971.0     0.184     28.8
1972.0     0.185     30.0
1973.0     0.186     31.2
1974.0     0.186     32.3
1975.0     0.186     33.5
1976.0     0.186     34.7
1977.0     0.186     35.9
1978.0     0.185     37.0
1979.0     0.184     38.2
1980.0     0.183     39.4
1981.0     0.182     40.7
1982.0     0.180     41.9
1983.0     0.178     43.2
1984.0     0.176     44.5
1985.0     0.174     45.8
1986.0     0.172     47.2
1987.0     0.169     48.6
1988.0     0.166     50.0
1989.0     0.163     51.5
1990.0     0.160     53.1
1991.0     0.157     54.7
1992.0     0.154     56.4
1993.0     0.151     58.1
1994.0     0.148     59.9
1995.0     0.144     61.8
1996.0     0.141     63.8
1997.0     0.138     65.9
1998.0     0.134     68.1
1999.0     0.131     70.5
2000.0     0.128     72.9
2001.0     0.125     75.4
2002.0     0.122     78.1
2003.0     0.119     80.9
2004.0     0.116     83.9
2005.0     0.114     86.9
2006.0     0.112     90.1
2007.0     0.110     93.5
2008.0     0.108     96.9
2009.0     0.106    100.5
2010.0     0.105    104.1
2011.0     0.104    107.8
2012.0     0.104    111.6
2013.0     0.104    115.3
2014.0     0.104    119.1
2015.0     0.105    122.9
2016.0     0.105    126.6
2017.0     0.107    130.2
2018.0     0.108    133.7
2019.0     0.110    137.1
2020.0     0.112    140.4
2021.0     0.115    143.6
2022.0     0.117    146.6
2023.0     0.120    149.5
2024.0     0.123    152.3
2025.0     0.126    154.9
2026.0     0.130    157.4
2027.0     0.133    159.7
2028.0     0.137    162.0
2029.0     0.140    164.1
2030.0     0.144    166.1
2031.0     0.148    168.1
2032.0     0.151    169.9
2033.0     0.155    171.6
2034.0     0.159    173.3
2035.0     0.163    174.9
2036.0     0.166    176.4
2037.0     0.170    177.8
2038.0     0.174    179.2
2039.0     0.177    180.5
2040.0     0.181    181.8
2041.0     0.184    183.0
2042.0     0.188    184.2
2043.0     0.191    185.3
2044.0     0.194    186.4
2045.0     0.198    187.5
2046.0     0.201    188.5
2047.0     0.204    189.5
2048.0     0.206    190.5
2049.0     0.209    191.4
2050.0     0.212    192.3
2051.0     0.214    193.2
2052.0     0.217    194.1
2053.0     0.219    195.0
2054.0     0.221    195.8
2055.0     0.223    196.6
2056.0     0.224    197.4
2057.0     0.226    198.2
2058.0     0.227    199.0
2059.0     0.229    199.8
2060.0     0.230    200.6
2061.0     0.231    201.4
2062.0     0.231    202.1
2063.0     0.232    202.9
2064.0     0.232    203.6
2065.0     0.232    204.4
2066.0     0.232    205.2
2067.0     0.232    205.9
2068.0     0.232    206.7
2069.0     0.231    207.4
2070.0     0.230    208.2
2071.0     0.229    209.0
2072.0     0.228    209.7
2073.0     0.227    210.5
2074.0     0.225    211.3
2075.0     0.224    212.1
2076.0     0.222    212.9
2077.0     0.219    213.8
2078.0     0.217    214.6
2079.0     0.214    215.5
2080.0     0.211    216.4
2081.0     0.208    217.3
2082.0     0.205    218.3
2083.0     0.202    219.3
2084.0     0.198    220.3
2085.0     0.194    221.4
2086.0     0.190    222.5
2087.0     0.186    223.6
2088.0     0.181    224.8
2089.0     0.177    226.1
2090.0     0.172    227.4
2091.0     0.167    228.9
2092.0     0.162    230.4
2093.0     0.157    232.0
2094.0     0.152    233.7
2095.0     0.146    235.5
2096.0     0.141    237.5
2097.0     0.135    239.6
2098.0     0.130    242.0
2099.0     0.124    244.5
2100.0     0.118    247.3
2101.0     0.113    250.3
2102.0     0.108    253.7
2103.0     0.103    257.4
2104.0     0.098    261.4
2105.0     0.093    265.9
2106.0     0.089    270.8
2107.0     0.086    276.2
2108.0     0.083    281.9

Disclaimer

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.