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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:47:53

Orbital Elements for A2757
WDS: A2757 WDS ID/Discoverer
P: 251.200 Orbital period (years)
a: 0.322 Semi-major axis (arcseconds)
i: 132.4 Inclination (degrees)
Ω: 58.7 Longitude of ascending node (degrees)
T: 2065.500 Epoch of periastron passage (year)
e: 0.192 Eccentricity
ω: 99.8 Longitude of periastron (degrees)
Start-Year: 1900.0 Year
End-Year: 2150.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A2757
Position: 093451.06+051451.5 Epoch-2000 right ascension and declination
WDS-ID: 09349+0515 WDS designation
Discoverer Code: A2757 Discover designation and components
ADS number: 7435 Aitken Double Star catalog
HD number: 82867 HD catalog number
Hipparcos number: 47008 Hipparcos catalog number
V1: 9.42 Magnitude of the primary
V2: 10.11 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2017 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A2757



WDS 6th Orbit including measures of A2757

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


Ephemeris of A2757
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.289     44.3
-------------------------
1900.0     0.281    190.7
1901.0     0.280    189.4
1902.0     0.278    188.2
1903.0     0.277    186.9
1904.0     0.276    185.6
1905.0     0.274    184.3
1906.0     0.273    183.0
1907.0     0.272    181.7
1908.0     0.271    180.3
1909.0     0.270    179.0
1910.0     0.268    177.6
1911.0     0.267    176.3
1912.0     0.266    174.9
1913.0     0.265    173.5
1914.0     0.264    172.1
1915.0     0.263    170.7
1916.0     0.263    169.2
1917.0     0.262    167.8
1918.0     0.261    166.4
1919.0     0.260    164.9
1920.0     0.260    163.5
1921.0     0.259    162.0
1922.0     0.259    160.6
1923.0     0.259    159.1
1924.0     0.258    157.6
1925.0     0.258    156.1
1926.0     0.258    154.7
1927.0     0.258    153.2
1928.0     0.258    151.7
1929.0     0.258    150.2
1930.0     0.258    148.7
1931.0     0.258    147.3
1932.0     0.258    145.8
1933.0     0.259    144.3
1934.0     0.259    142.8
1935.0     0.260    141.4
1936.0     0.260    139.9
1937.0     0.261    138.5
1938.0     0.262    137.0
1939.0     0.263    135.6
1940.0     0.263    134.2
1941.0     0.264    132.8
1942.0     0.265    131.4
1943.0     0.266    130.0
1944.0     0.267    128.6
1945.0     0.269    127.2
1946.0     0.270    125.9
1947.0     0.271    124.5
1948.0     0.272    123.2
1949.0     0.274    121.9
1950.0     0.275    120.6
1951.0     0.277    119.3
1952.0     0.278    118.0
1953.0     0.279    116.7
1954.0     0.281    115.5
1955.0     0.283    114.2
1956.0     0.284    113.0
1957.0     0.286    111.8
1958.0     0.287    110.6
1959.0     0.289    109.4
1960.0     0.291    108.3
1961.0     0.292    107.1
1962.0     0.294    106.0
1963.0     0.296    104.8
1964.0     0.297    103.7
1965.0     0.299    102.6
1966.0     0.301    101.5
1967.0     0.302    100.4
1968.0     0.304     99.3
1969.0     0.305     98.3
1970.0     0.307     97.2
1971.0     0.309     96.2
1972.0     0.310     95.2
1973.0     0.312     94.2
1974.0     0.313     93.1
1975.0     0.314     92.2
1976.0     0.316     91.2
1977.0     0.317     90.2
1978.0     0.319     89.2
1979.0     0.320     88.2
1980.0     0.321     87.3
1981.0     0.322     86.3
1982.0     0.323     85.4
1983.0     0.324     84.5
1984.0     0.325     83.5
1985.0     0.326     82.6
1986.0     0.327     81.7
1987.0     0.328     80.8
1988.0     0.329     79.8
1989.0     0.329     78.9
1990.0     0.330     78.0
1991.0     0.330     77.1
1992.0     0.331     76.2
1993.0     0.331     75.3
1994.0     0.331     74.4
1995.0     0.332     73.5
1996.0     0.332     72.6
1997.0     0.332     71.8
1998.0     0.332     70.9
1999.0     0.331     70.0
2000.0     0.331     69.1
2001.0     0.331     68.2
2002.0     0.330     67.3
2003.0     0.330     66.4
2004.0     0.329     65.5
2005.0     0.328     64.6
2006.0     0.327     63.6
2007.0     0.326     62.7
2008.0     0.325     61.8
2009.0     0.324     60.9
2010.0     0.322     59.9
2011.0     0.321     59.0
2012.0     0.319     58.0
2013.0     0.318     57.0
2014.0     0.316     56.1
2015.0     0.314     55.1
2016.0     0.312     54.1
2017.0     0.310     53.0
2018.0     0.308     52.0
2019.0     0.305     51.0
2020.0     0.303     49.9
2021.0     0.300     48.8
2022.0     0.297     47.7
2023.0     0.295     46.6
2024.0     0.292     45.4
2025.0     0.289     44.3
2026.0     0.285     43.1
2027.0     0.282     41.9
2028.0     0.279     40.6
2029.0     0.275     39.3
2030.0     0.272     38.0
2031.0     0.268     36.7
2032.0     0.265     35.3
2033.0     0.261     33.9
2034.0     0.257     32.4
2035.0     0.253     30.9
2036.0     0.249     29.3
2037.0     0.245     27.7
2038.0     0.241     26.1
2039.0     0.237     24.3
2040.0     0.233     22.6
2041.0     0.229     20.7
2042.0     0.225     18.8
2043.0     0.221     16.9
2044.0     0.217     14.8
2045.0     0.214     12.7
2046.0     0.210     10.5
2047.0     0.206      8.2
2048.0     0.203      5.9
2049.0     0.199      3.4
2050.0     0.196      0.9
2051.0     0.193    358.3
2052.0     0.190    355.6
2053.0     0.187    352.8
2054.0     0.185    350.0
2055.0     0.183    347.1
2056.0     0.181    344.1
2057.0     0.179    341.1
2058.0     0.178    338.0
2059.0     0.177    334.9
2060.0     0.176    331.7
2061.0     0.176    328.5
2062.0     0.176    325.3
2063.0     0.176    322.2
2064.0     0.177    319.0
2065.0     0.178    315.9
2066.0     0.179    312.8
2067.0     0.181    309.8
2068.0     0.183    306.8
2069.0     0.185    303.9
2070.0     0.187    301.0
2071.0     0.190    298.3
2072.0     0.193    295.6
2073.0     0.196    293.0
2074.0     0.199    290.4
2075.0     0.202    288.0
2076.0     0.206    285.6
2077.0     0.209    283.3
2078.0     0.213    281.1
2079.0     0.217    279.0
2080.0     0.220    276.9
2081.0     0.224    274.9
2082.0     0.228    273.0
2083.0     0.232    271.2
2084.0     0.236    269.4
2085.0     0.239    267.6
2086.0     0.243    265.9
2087.0     0.247    264.3
2088.0     0.250    262.7
2089.0     0.254    261.1
2090.0     0.257    259.6
2091.0     0.261    258.2
2092.0     0.264    256.8
2093.0     0.267    255.4
2094.0     0.271    254.0
2095.0     0.274    252.7
2096.0     0.276    251.4
2097.0     0.279    250.1
2098.0     0.282    248.8
2099.0     0.284    247.6
2100.0     0.287    246.4
2101.0     0.289    245.2
2102.0     0.291    244.1
2103.0     0.294    242.9
2104.0     0.296    241.8
2105.0     0.297    240.7
2106.0     0.299    239.6
2107.0     0.301    238.5
2108.0     0.302    237.4
2109.0     0.303    236.3
2110.0     0.305    235.2
2111.0     0.306    234.2
2112.0     0.307    233.1
2113.0     0.308    232.1
2114.0     0.308    231.1
2115.0     0.309    230.0
2116.0     0.310    229.0
2117.0     0.310    228.0
2118.0     0.310    227.0
2119.0     0.311    225.9
2120.0     0.311    224.9
2121.0     0.311    223.9
2122.0     0.311    222.9
2123.0     0.310    221.9
2124.0     0.310    220.8
2125.0     0.310    219.8
2126.0     0.309    218.8
2127.0     0.309    217.8
2128.0     0.308    216.7
2129.0     0.308    215.7
2130.0     0.307    214.6
2131.0     0.306    213.6
2132.0     0.305    212.6
2133.0     0.304    211.5
2134.0     0.303    210.4
2135.0     0.302    209.4
2136.0     0.301    208.3
2137.0     0.300    207.2
2138.0     0.299    206.1
2139.0     0.298    205.0
2140.0     0.296    203.9
2141.0     0.295    202.7
2142.0     0.294    201.6
2143.0     0.293    200.5
2144.0     0.291    199.3
2145.0     0.290    198.2
2146.0     0.288    197.0
2147.0     0.287    195.8
2148.0     0.286    194.6
2149.0     0.284    193.4






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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