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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:05:03

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: 1922.0 Year
End-Year: 2128.0 Year
Epoch: 2025.0 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' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HU337



WDS 6th Orbit including measures of HU337

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


Ephemeris of HU337
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.232     75.2
-------------------------
1922.0     0.230    231.7
1923.0     0.228    231.0
1924.0     0.225    230.3
1925.0     0.222    229.6
1926.0     0.219    228.8
1927.0     0.216    228.0
1928.0     0.213    227.2
1929.0     0.210    226.4
1930.0     0.207    225.6
1931.0     0.204    224.7
1932.0     0.200    223.8
1933.0     0.197    222.9
1934.0     0.194    222.0
1935.0     0.190    221.0
1936.0     0.187    220.0
1937.0     0.184    218.9
1938.0     0.180    217.8
1939.0     0.177    216.7
1940.0     0.173    215.5
1941.0     0.170    214.2
1942.0     0.166    213.0
1943.0     0.163    211.6
1944.0     0.160    210.2
1945.0     0.156    208.8
1946.0     0.153    207.2
1947.0     0.150    205.6
1948.0     0.146    204.0
1949.0     0.143    202.2
1950.0     0.140    200.4
1951.0     0.137    198.5
1952.0     0.134    196.6
1953.0     0.132    194.5
1954.0     0.129    192.4
1955.0     0.126    190.1
1956.0     0.124    187.8
1957.0     0.122    185.4
1958.0     0.120    182.9
1959.0     0.118    180.3
1960.0     0.116    177.7
1961.0     0.115    174.9
1962.0     0.113    172.1
1963.0     0.112    169.3
1964.0     0.112    166.4
1965.0     0.111    163.4
1966.0     0.111    160.5
1967.0     0.111    157.5
1968.0     0.111    154.6
1969.0     0.112    151.6
1970.0     0.112    148.7
1971.0     0.113    145.9
1972.0     0.114    143.0
1973.0     0.116    140.3
1974.0     0.117    137.6
1975.0     0.119    135.0
1976.0     0.121    132.5
1977.0     0.123    130.0
1978.0     0.126    127.7
1979.0     0.128    125.4
1980.0     0.131    123.2
1981.0     0.133    121.2
1982.0     0.136    119.1
1983.0     0.139    117.2
1984.0     0.142    115.4
1985.0     0.145    113.6
1986.0     0.148    111.9
1987.0     0.151    110.3
1988.0     0.155    108.7
1989.0     0.158    107.3
1990.0     0.161    105.8
1991.0     0.164    104.4
1992.0     0.168    103.1
1993.0     0.171    101.9
1994.0     0.174    100.6
1995.0     0.178     99.5
1996.0     0.181     98.3
1997.0     0.184     97.2
1998.0     0.187     96.2
1999.0     0.190     95.1
2000.0     0.193     94.2
2001.0     0.196     93.2
2002.0     0.199     92.3
2003.0     0.202     91.4
2004.0     0.205     90.5
2005.0     0.207     89.6
2006.0     0.210     88.8
2007.0     0.212     88.0
2008.0     0.215     87.2
2009.0     0.217     86.4
2010.0     0.219     85.6
2011.0     0.221     84.9
2012.0     0.223     84.1
2013.0     0.225     83.4
2014.0     0.226     82.7
2015.0     0.227     82.0
2016.0     0.229     81.3
2017.0     0.230     80.6
2018.0     0.231     79.9
2019.0     0.231     79.2
2020.0     0.232     78.5
2021.0     0.232     77.9
2022.0     0.232     77.2
2023.0     0.232     76.5
2024.0     0.232     75.8
2025.0     0.232     75.2
2026.0     0.231     74.5
2027.0     0.230     73.8
2028.0     0.229     73.1
2029.0     0.227     72.4
2030.0     0.225     71.7
2031.0     0.223     71.0
2032.0     0.221     70.2
2033.0     0.218     69.5
2034.0     0.216     68.7
2035.0     0.212     67.9
2036.0     0.209     67.1
2037.0     0.205     66.2
2038.0     0.201     65.4
2039.0     0.197     64.4
2040.0     0.192     63.5
2041.0     0.187     62.5
2042.0     0.182     61.4
2043.0     0.177     60.3
2044.0     0.171     59.1
2045.0     0.165     57.8
2046.0     0.158     56.4
2047.0     0.152     54.9
2048.0     0.145     53.2
2049.0     0.138     51.4
2050.0     0.131     49.4
2051.0     0.124     47.1
2052.0     0.116     44.6
2053.0     0.109     41.7
2054.0     0.101     38.4
2055.0     0.094     34.6
2056.0     0.087     30.1
2057.0     0.080     24.9
2058.0     0.074     18.8
2059.0     0.069     11.7
2060.0     0.065      3.5
2061.0     0.062    354.3
2062.0     0.060    344.6
2063.0     0.061    334.6
2064.0     0.063    325.0
2065.0     0.066    316.1
2066.0     0.071    308.3
2067.0     0.076    301.5
2068.0     0.082    295.7
2069.0     0.089    290.7
2070.0     0.096    286.5
2071.0     0.104    282.9
2072.0     0.111    279.7
2073.0     0.119    277.0
2074.0     0.127    274.6
2075.0     0.134    272.4
2076.0     0.141    270.5
2077.0     0.149    268.8
2078.0     0.156    267.2
2079.0     0.163    265.8
2080.0     0.169    264.4
2081.0     0.176    263.2
2082.0     0.182    262.1
2083.0     0.188    261.0
2084.0     0.194    260.0
2085.0     0.199    259.1
2086.0     0.204    258.2
2087.0     0.209    257.3
2088.0     0.214    256.5
2089.0     0.219    255.7
2090.0     0.223    255.0
2091.0     0.227    254.3
2092.0     0.231    253.6
2093.0     0.234    252.9
2094.0     0.237    252.3
2095.0     0.240    251.6
2096.0     0.243    251.0
2097.0     0.246    250.4
2098.0     0.248    249.8
2099.0     0.250    249.2
2100.0     0.252    248.6
2101.0     0.254    248.0
2102.0     0.255    247.5
2103.0     0.256    246.9
2104.0     0.257    246.4
2105.0     0.258    245.8
2106.0     0.259    245.3
2107.0     0.259    244.7
2108.0     0.260    244.2
2109.0     0.260    243.7
2110.0     0.260    243.1
2111.0     0.259    242.6
2112.0     0.259    242.0
2113.0     0.258    241.5
2114.0     0.258    241.0
2115.0     0.257    240.4
2116.0     0.256    239.9
2117.0     0.255    239.3
2118.0     0.253    238.7
2119.0     0.252    238.2
2120.0     0.250    237.6
2121.0     0.249    237.0
2122.0     0.247    236.4
2123.0     0.245    235.8
2124.0     0.243    235.2
2125.0     0.241    234.6
2126.0     0.239    233.9
2127.0     0.236    233.3






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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