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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 16:59:07

Orbital Elements for SMN9AB
WDS: SMN9AB WDS ID/Discoverer
P: 271.000 Orbital period (years)
a: 0.272 Semi-major axis (arcseconds)
i: 19.7 Inclination (degrees)
Ω: 18.0 Longitude of ascending node (degrees)
T: 2035.730 Epoch of periastron passage (year)
e: 0.168 Eccentricity
ω: 138.0 Longitude of periastron (degrees)
Start-Year: 1890.0 Year
End-Year: 2160.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SMN9AB
Position: 042202.14+265731.2 Epoch-2000 right ascension and declination
WDS-ID: 04220+2658 WDS designation
Discoverer Code: SMN9AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 14.1 Magnitude of the primary
V2: 16.8 Magnitude of the secondary
Equinox: Equinox
Date: 2001 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for SMN9AB



WDS 6th Orbit including measures of SMN9AB

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


Ephemeris of SMN9AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.218    137.3
-------------------------
1890.0     0.305    327.9
1891.0     0.306    328.8
1892.0     0.306    329.8
1893.0     0.307    330.8
1894.0     0.307    331.7
1895.0     0.308    332.7
1896.0     0.308    333.7
1897.0     0.308    334.6
1898.0     0.309    335.6
1899.0     0.309    336.5
1900.0     0.309    337.5
1901.0     0.310    338.4
1902.0     0.310    339.4
1903.0     0.310    340.3
1904.0     0.311    341.3
1905.0     0.311    342.2
1906.0     0.311    343.2
1907.0     0.311    344.1
1908.0     0.311    345.1
1909.0     0.311    346.0
1910.0     0.312    346.9
1911.0     0.312    347.9
1912.0     0.312    348.8
1913.0     0.312    349.8
1914.0     0.312    350.7
1915.0     0.312    351.6
1916.0     0.312    352.6
1917.0     0.312    353.5
1918.0     0.312    354.5
1919.0     0.312    355.4
1920.0     0.311    356.3
1921.0     0.311    357.3
1922.0     0.311    358.2
1923.0     0.311    359.2
1924.0     0.311      0.1
1925.0     0.311      1.0
1926.0     0.310      2.0
1927.0     0.310      2.9
1928.0     0.310      3.9
1929.0     0.309      4.8
1930.0     0.309      5.8
1931.0     0.309      6.8
1932.0     0.308      7.7
1933.0     0.308      8.7
1934.0     0.307      9.6
1935.0     0.307     10.6
1936.0     0.306     11.6
1937.0     0.306     12.6
1938.0     0.305     13.5
1939.0     0.304     14.5
1940.0     0.304     15.5
1941.0     0.303     16.5
1942.0     0.302     17.5
1943.0     0.302     18.5
1944.0     0.301     19.5
1945.0     0.300     20.5
1946.0     0.299     21.5
1947.0     0.299     22.5
1948.0     0.298     23.6
1949.0     0.297     24.6
1950.0     0.296     25.6
1951.0     0.295     26.7
1952.0     0.294     27.7
1953.0     0.293     28.8
1954.0     0.292     29.9
1955.0     0.291     30.9
1956.0     0.290     32.0
1957.0     0.289     33.1
1958.0     0.288     34.2
1959.0     0.287     35.3
1960.0     0.286     36.4
1961.0     0.284     37.5
1962.0     0.283     38.7
1963.0     0.282     39.8
1964.0     0.281     41.0
1965.0     0.280     42.1
1966.0     0.278     43.3
1967.0     0.277     44.5
1968.0     0.276     45.7
1969.0     0.274     46.9
1970.0     0.273     48.1
1971.0     0.272     49.3
1972.0     0.270     50.6
1973.0     0.269     51.8
1974.0     0.268     53.1
1975.0     0.266     54.4
1976.0     0.265     55.7
1977.0     0.264     57.0
1978.0     0.262     58.3
1979.0     0.261     59.6
1980.0     0.259     61.0
1981.0     0.258     62.3
1982.0     0.256     63.7
1983.0     0.255     65.1
1984.0     0.254     66.5
1985.0     0.252     67.9
1986.0     0.251     69.4
1987.0     0.249     70.8
1988.0     0.248     72.3
1989.0     0.247     73.8
1990.0     0.245     75.3
1991.0     0.244     76.8
1992.0     0.243     78.4
1993.0     0.241     79.9
1994.0     0.240     81.5
1995.0     0.239     83.1
1996.0     0.237     84.7
1997.0     0.236     86.3
1998.0     0.235     88.0
1999.0     0.234     89.6
2000.0     0.233     91.3
2001.0     0.232     93.0
2002.0     0.231     94.7
2003.0     0.230     96.4
2004.0     0.228     98.2
2005.0     0.228     99.9
2006.0     0.227    101.7
2007.0     0.226    103.5
2008.0     0.225    105.3
2009.0     0.224    107.1
2010.0     0.223    108.9
2011.0     0.223    110.8
2012.0     0.222    112.6
2013.0     0.221    114.5
2014.0     0.221    116.3
2015.0     0.220    118.2
2016.0     0.220    120.1
2017.0     0.219    122.0
2018.0     0.219    123.9
2019.0     0.219    125.8
2020.0     0.218    127.7
2021.0     0.218    129.6
2022.0     0.218    131.5
2023.0     0.218    133.4
2024.0     0.218    135.4
2025.0     0.218    137.3
2026.0     0.218    139.2
2027.0     0.218    141.1
2028.0     0.218    143.0
2029.0     0.218    144.9
2030.0     0.219    146.9
2031.0     0.219    148.8
2032.0     0.219    150.7
2033.0     0.219    152.6
2034.0     0.220    154.5
2035.0     0.220    156.3
2036.0     0.221    158.2
2037.0     0.221    160.1
2038.0     0.222    162.0
2039.0     0.222    163.8
2040.0     0.223    165.7
2041.0     0.223    167.5
2042.0     0.224    169.3
2043.0     0.224    171.1
2044.0     0.225    172.9
2045.0     0.226    174.7
2046.0     0.226    176.5
2047.0     0.227    178.3
2048.0     0.228    180.1
2049.0     0.228    181.8
2050.0     0.229    183.6
2051.0     0.230    185.3
2052.0     0.230    187.0
2053.0     0.231    188.7
2054.0     0.232    190.5
2055.0     0.232    192.1
2056.0     0.233    193.8
2057.0     0.234    195.5
2058.0     0.235    197.2
2059.0     0.235    198.8
2060.0     0.236    200.5
2061.0     0.237    202.1
2062.0     0.237    203.7
2063.0     0.238    205.3
2064.0     0.239    206.9
2065.0     0.240    208.5
2066.0     0.240    210.1
2067.0     0.241    211.7
2068.0     0.242    213.2
2069.0     0.242    214.8
2070.0     0.243    216.3
2071.0     0.244    217.9
2072.0     0.244    219.4
2073.0     0.245    220.9
2074.0     0.246    222.4
2075.0     0.247    224.0
2076.0     0.247    225.5
2077.0     0.248    226.9
2078.0     0.249    228.4
2079.0     0.249    229.9
2080.0     0.250    231.4
2081.0     0.251    232.8
2082.0     0.251    234.3
2083.0     0.252    235.7
2084.0     0.253    237.1
2085.0     0.253    238.6
2086.0     0.254    240.0
2087.0     0.255    241.4
2088.0     0.255    242.8
2089.0     0.256    244.2
2090.0     0.257    245.6
2091.0     0.257    247.0
2092.0     0.258    248.3
2093.0     0.259    249.7
2094.0     0.259    251.1
2095.0     0.260    252.4
2096.0     0.261    253.8
2097.0     0.261    255.1
2098.0     0.262    256.4
2099.0     0.263    257.8
2100.0     0.263    259.1
2101.0     0.264    260.4
2102.0     0.265    261.7
2103.0     0.265    263.0
2104.0     0.266    264.3
2105.0     0.267    265.6
2106.0     0.268    266.9
2107.0     0.268    268.1
2108.0     0.269    269.4
2109.0     0.270    270.7
2110.0     0.270    271.9
2111.0     0.271    273.1
2112.0     0.272    274.4
2113.0     0.273    275.6
2114.0     0.273    276.8
2115.0     0.274    278.1
2116.0     0.275    279.3
2117.0     0.276    280.5
2118.0     0.276    281.7
2119.0     0.277    282.9
2120.0     0.278    284.0
2121.0     0.279    285.2
2122.0     0.279    286.4
2123.0     0.280    287.6
2124.0     0.281    288.7
2125.0     0.282    289.9
2126.0     0.282    291.0
2127.0     0.283    292.2
2128.0     0.284    293.3
2129.0     0.285    294.4
2130.0     0.285    295.6
2131.0     0.286    296.7
2132.0     0.287    297.8
2133.0     0.288    298.9
2134.0     0.288    300.0
2135.0     0.289    301.1
2136.0     0.290    302.2
2137.0     0.290    303.3
2138.0     0.291    304.3
2139.0     0.292    305.4
2140.0     0.293    306.5
2141.0     0.293    307.5
2142.0     0.294    308.6
2143.0     0.295    309.6
2144.0     0.295    310.7
2145.0     0.296    311.7
2146.0     0.297    312.8
2147.0     0.297    313.8
2148.0     0.298    314.8
2149.0     0.299    315.9
2150.0     0.299    316.9
2151.0     0.300    317.9
2152.0     0.301    318.9
2153.0     0.301    319.9
2154.0     0.302    320.9
2155.0     0.302    321.9
2156.0     0.303    322.9
2157.0     0.303    323.9
2158.0     0.304    324.9
2159.0     0.304    325.9



 

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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