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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:29:24

Orbital Elements for STT295
WDS: STT295 WDS ID/Discoverer
P: 233.000 Orbital period (years)
a: 0.487 Semi-major axis (arcseconds)
i: 41.7 Inclination (degrees)
Ω: 133.8 Longitude of ascending node (degrees)
T: 2021.000 Epoch of periastron passage (year)
e: 0.94 Eccentricity
ω: 173.3 Longitude of periastron (degrees)
Start-Year: 1909.0 Year
End-Year: 2141.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT295
Position: 151503.25+364948.9 Epoch-2000 right ascension and declination
WDS-ID: 15151+3650 WDS designation
Discoverer Code: STT295 Discover designation and components
ADS number: 9554 Aitken Double Star catalog
HD number: 135657 HD catalog number
Hipparcos number: 74643 Hipparcos catalog number
V1: 8.80 Magnitude of the primary
V2: 9.45 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2009 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for STT295



WDS 6th Orbit including measures of STT295

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


Ephemeris of STT295
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.126     86.8
-------------------------
1909.0     0.942    129.3
1910.0     0.941    129.4
1911.0     0.941    129.5
1912.0     0.940    129.6
1913.0     0.940    129.7
1914.0     0.939    129.8
1915.0     0.938    129.9
1916.0     0.937    130.0
1917.0     0.936    130.1
1918.0     0.935    130.2
1919.0     0.934    130.3
1920.0     0.933    130.4
1921.0     0.931    130.5
1922.0     0.930    130.6
1923.0     0.929    130.8
1924.0     0.927    130.9
1925.0     0.925    131.0
1926.0     0.923    131.1
1927.0     0.921    131.2
1928.0     0.919    131.3
1929.0     0.917    131.4
1930.0     0.915    131.5
1931.0     0.913    131.6
1932.0     0.910    131.7
1933.0     0.908    131.9
1934.0     0.905    132.0
1935.0     0.903    132.1
1936.0     0.900    132.2
1937.0     0.897    132.3
1938.0     0.894    132.4
1939.0     0.891    132.5
1940.0     0.888    132.7
1941.0     0.885    132.8
1942.0     0.881    132.9
1943.0     0.878    133.0
1944.0     0.874    133.1
1945.0     0.870    133.3
1946.0     0.866    133.4
1947.0     0.863    133.5
1948.0     0.859    133.6
1949.0     0.854    133.8
1950.0     0.850    133.9
1951.0     0.846    134.0
1952.0     0.841    134.2
1953.0     0.837    134.3
1954.0     0.832    134.4
1955.0     0.827    134.6
1956.0     0.822    134.7
1957.0     0.817    134.8
1958.0     0.812    135.0
1959.0     0.807    135.1
1960.0     0.801    135.3
1961.0     0.796    135.4
1962.0     0.790    135.6
1963.0     0.784    135.7
1964.0     0.778    135.9
1965.0     0.772    136.0
1966.0     0.766    136.2
1967.0     0.760    136.3
1968.0     0.753    136.5
1969.0     0.747    136.7
1970.0     0.740    136.8
1971.0     0.733    137.0
1972.0     0.726    137.2
1973.0     0.719    137.4
1974.0     0.711    137.5
1975.0     0.704    137.7
1976.0     0.696    137.9
1977.0     0.688    138.1
1978.0     0.680    138.3
1979.0     0.672    138.5
1980.0     0.664    138.7
1981.0     0.655    138.9
1982.0     0.646    139.2
1983.0     0.637    139.4
1984.0     0.628    139.6
1985.0     0.619    139.9
1986.0     0.609    140.1
1987.0     0.600    140.4
1988.0     0.590    140.6
1989.0     0.579    140.9
1990.0     0.569    141.2
1991.0     0.558    141.5
1992.0     0.548    141.8
1993.0     0.536    142.1
1994.0     0.525    142.4
1995.0     0.513    142.8
1996.0     0.501    143.1
1997.0     0.489    143.5
1998.0     0.476    143.9
1999.0     0.463    144.4
2000.0     0.450    144.8
2001.0     0.436    145.3
2002.0     0.422    145.8
2003.0     0.408    146.3
2004.0     0.393    146.9
2005.0     0.378    147.5
2006.0     0.362    148.2
2007.0     0.345    149.0
2008.0     0.328    149.8
2009.0     0.311    150.7
2010.0     0.292    151.7
2011.0     0.273    152.9
2012.0     0.253    154.2
2013.0     0.232    155.8
2014.0     0.210    157.7
2015.0     0.187    160.1
2016.0     0.162    163.2
2017.0     0.135    167.5
2018.0     0.106    174.0
2019.0     0.074    185.7
2020.0     0.042    215.8
2021.0     0.029    308.8
2022.0     0.042     33.9
2023.0     0.070     66.0
2024.0     0.099     79.4
2025.0     0.126     86.8
2026.0     0.152     91.7
2027.0     0.176     95.2
2028.0     0.198     97.9
2029.0     0.219    100.0
2030.0     0.240    101.8
2031.0     0.259    103.3
2032.0     0.278    104.6
2033.0     0.296    105.7
2034.0     0.313    106.7
2035.0     0.330    107.6
2036.0     0.346    108.4
2037.0     0.362    109.2
2038.0     0.377    109.9
2039.0     0.392    110.5
2040.0     0.406    111.1
2041.0     0.420    111.6
2042.0     0.434    112.2
2043.0     0.447    112.6
2044.0     0.460    113.1
2045.0     0.472    113.5
2046.0     0.485    113.9
2047.0     0.497    114.3
2048.0     0.508    114.7
2049.0     0.520    115.0
2050.0     0.531    115.4
2051.0     0.542    115.7
2052.0     0.553    116.0
2053.0     0.563    116.3
2054.0     0.573    116.6
2055.0     0.583    116.9
2056.0     0.593    117.1
2057.0     0.603    117.4
2058.0     0.612    117.7
2059.0     0.621    117.9
2060.0     0.631    118.1
2061.0     0.639    118.4
2062.0     0.648    118.6
2063.0     0.657    118.8
2064.0     0.665    119.0
2065.0     0.673    119.2
2066.0     0.681    119.4
2067.0     0.689    119.6
2068.0     0.696    119.8
2069.0     0.704    120.0
2070.0     0.711    120.2
2071.0     0.719    120.4
2072.0     0.726    120.6
2073.0     0.733    120.8
2074.0     0.739    120.9
2075.0     0.746    121.1
2076.0     0.753    121.3
2077.0     0.759    121.4
2078.0     0.765    121.6
2079.0     0.771    121.7
2080.0     0.777    121.9
2081.0     0.783    122.1
2082.0     0.789    122.2
2083.0     0.795    122.4
2084.0     0.800    122.5
2085.0     0.805    122.6
2086.0     0.811    122.8
2087.0     0.816    122.9
2088.0     0.821    123.1
2089.0     0.826    123.2
2090.0     0.831    123.3
2091.0     0.835    123.5
2092.0     0.840    123.6
2093.0     0.844    123.7
2094.0     0.849    123.9
2095.0     0.853    124.0
2096.0     0.857    124.1
2097.0     0.861    124.3
2098.0     0.865    124.4
2099.0     0.869    124.5
2100.0     0.872    124.6
2101.0     0.876    124.8
2102.0     0.880    124.9
2103.0     0.883    125.0
2104.0     0.886    125.1
2105.0     0.889    125.2
2106.0     0.893    125.3
2107.0     0.896    125.5
2108.0     0.899    125.6
2109.0     0.901    125.7
2110.0     0.904    125.8
2111.0     0.907    125.9
2112.0     0.909    126.0
2113.0     0.912    126.2
2114.0     0.914    126.3
2115.0     0.916    126.4
2116.0     0.918    126.5
2117.0     0.920    126.6
2118.0     0.922    126.7
2119.0     0.924    126.8
2120.0     0.926    126.9
2121.0     0.928    127.0
2122.0     0.929    127.1
2123.0     0.931    127.2
2124.0     0.932    127.4
2125.0     0.933    127.5
2126.0     0.935    127.6
2127.0     0.936    127.7
2128.0     0.937    127.8
2129.0     0.938    127.9
2130.0     0.938    128.0
2131.0     0.939    128.1
2132.0     0.940    128.2
2133.0     0.940    128.3
2134.0     0.941    128.4
2135.0     0.941    128.5
2136.0     0.942    128.6
2137.0     0.942    128.7
2138.0     0.942    128.8
2139.0     0.942    128.9
2140.0     0.942    129.1






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.


www.stella-vega.de