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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:13:26

Orbital Elements for A730
WDS: A730 WDS ID/Discoverer
P: 175.089 Orbital period (years)
a: 0.231 Semi-major axis (arcseconds)
i: 118.5 Inclination (degrees)
Ω: 152.2 Longitude of ascending node (degrees)
T: 2038.638 Epoch of periastron passage (year)
e: 0.005 Eccentricity
ω: 309.2 Longitude of periastron (degrees)
Start-Year: 1938.0 Year
End-Year: 2112.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A730
Position: 202505.00+593600.4 Epoch-2000 right ascension and declination
WDS-ID: 20251+5936 WDS designation
Discoverer Code: A730 Discover designation and components
ADS number: 13850 Aitken Double Star catalog
HD number: 194882 HD catalog number
Hipparcos number: 100714 Hipparcos catalog number
V1: 6.94 Magnitude of the primary
V2: 7.63 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for A730



WDS 6th Orbit including measures of A730

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


Ephemeris of A730
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.116    220.2
-------------------------
1938.0     0.119     37.2
1939.0     0.122     33.6
1940.0     0.125     30.2
1941.0     0.129     26.9
1942.0     0.132     23.8
1943.0     0.136     20.9
1944.0     0.140     18.2
1945.0     0.144     15.6
1946.0     0.148     13.1
1947.0     0.152     10.8
1948.0     0.157      8.6
1949.0     0.161      6.5
1950.0     0.165      4.6
1951.0     0.170      2.7
1952.0     0.174      0.9
1953.0     0.178    359.2
1954.0     0.182    357.6
1955.0     0.186    356.1
1956.0     0.190    354.6
1957.0     0.194    353.2
1958.0     0.197    351.8
1959.0     0.201    350.5
1960.0     0.204    349.2
1961.0     0.208    348.0
1962.0     0.211    346.8
1963.0     0.213    345.6
1964.0     0.216    344.5
1965.0     0.219    343.4
1966.0     0.221    342.3
1967.0     0.223    341.2
1968.0     0.225    340.2
1969.0     0.226    339.1
1970.0     0.228    338.1
1971.0     0.229    337.1
1972.0     0.230    336.1
1973.0     0.231    335.1
1974.0     0.231    334.2
1975.0     0.232    333.2
1976.0     0.232    332.2
1977.0     0.232    331.2
1978.0     0.231    330.3
1979.0     0.231    329.3
1980.0     0.230    328.3
1981.0     0.229    327.3
1982.0     0.227    326.3
1983.0     0.226    325.3
1984.0     0.224    324.2
1985.0     0.222    323.2
1986.0     0.220    322.1
1987.0     0.218    321.0
1988.0     0.215    319.9
1989.0     0.213    318.8
1990.0     0.210    317.6
1991.0     0.207    316.4
1992.0     0.203    315.1
1993.0     0.200    313.9
1994.0     0.196    312.5
1995.0     0.193    311.1
1996.0     0.189    309.7
1997.0     0.185    308.2
1998.0     0.181    306.6
1999.0     0.177    305.0
2000.0     0.172    303.3
2001.0     0.168    301.5
2002.0     0.164    299.6
2003.0     0.159    297.6
2004.0     0.155    295.4
2005.0     0.151    293.2
2006.0     0.146    290.8
2007.0     0.142    288.3
2008.0     0.138    285.6
2009.0     0.134    282.8
2010.0     0.130    279.8
2011.0     0.127    276.6
2012.0     0.123    273.3
2013.0     0.120    269.7
2014.0     0.118    266.0
2015.0     0.115    262.2
2016.0     0.113    258.1
2017.0     0.112    254.0
2018.0     0.111    249.8
2019.0     0.110    245.4
2020.0     0.110    241.1
2021.0     0.110    236.8
2022.0     0.111    232.5
2023.0     0.112    228.3
2024.0     0.114    224.2
2025.0     0.116    220.2
2026.0     0.119    216.4
2027.0     0.122    212.8
2028.0     0.125    209.4
2029.0     0.128    206.1
2030.0     0.132    203.0
2031.0     0.136    200.1
2032.0     0.140    197.3
2033.0     0.144    194.7
2034.0     0.148    192.3
2035.0     0.153    189.9
2036.0     0.157    187.8
2037.0     0.161    185.7
2038.0     0.166    183.7
2039.0     0.170    181.9
2040.0     0.174    180.1
2041.0     0.178    178.4
2042.0     0.182    176.8
2043.0     0.186    175.3
2044.0     0.190    173.8
2045.0     0.194    172.4
2046.0     0.198    171.0
2047.0     0.201    169.7
2048.0     0.204    168.4
2049.0     0.208    167.2
2050.0     0.211    166.0
2051.0     0.213    164.8
2052.0     0.216    163.7
2053.0     0.218    162.6
2054.0     0.220    161.5
2055.0     0.222    160.4
2056.0     0.224    159.4
2057.0     0.226    158.3
2058.0     0.227    157.3
2059.0     0.228    156.3
2060.0     0.229    155.3
2061.0     0.230    154.3
2062.0     0.230    153.3
2063.0     0.230    152.3
2064.0     0.230    151.3
2065.0     0.230    150.4
2066.0     0.229    149.4
2067.0     0.229    148.4
2068.0     0.228    147.4
2069.0     0.227    146.3
2070.0     0.225    145.3
2071.0     0.223    144.3
2072.0     0.222    143.2
2073.0     0.220    142.1
2074.0     0.217    141.0
2075.0     0.215    139.9
2076.0     0.212    138.8
2077.0     0.209    137.6
2078.0     0.206    136.4
2079.0     0.203    135.1
2080.0     0.200    133.8
2081.0     0.196    132.5
2082.0     0.193    131.1
2083.0     0.189    129.7
2084.0     0.185    128.2
2085.0     0.181    126.6
2086.0     0.177    125.0
2087.0     0.173    123.3
2088.0     0.168    121.5
2089.0     0.164    119.6
2090.0     0.160    117.6
2091.0     0.156    115.5
2092.0     0.151    113.2
2093.0     0.147    110.9
2094.0     0.143    108.4
2095.0     0.139    105.8
2096.0     0.135    103.0
2097.0     0.131    100.0
2098.0     0.128     96.9
2099.0     0.124     93.6
2100.0     0.121     90.1
2101.0     0.119     86.4
2102.0     0.116     82.6
2103.0     0.114     78.7
2104.0     0.113     74.6
2105.0     0.112     70.5
2106.0     0.111     66.2
2107.0     0.111     61.9
2108.0     0.111     57.7
2109.0     0.112     53.4
2110.0     0.113     49.3
2111.0     0.115     45.2






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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