Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:13:26
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
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
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
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
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 .
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 .
www.stella-vega.de