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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:02:20

Orbital Elements for A1840AB
WDS: A1840AB WDS ID/Discoverer
P: 247.000 Orbital period (years)
a: 0.267 Semi-major axis (arcseconds)
i: 145.3 Inclination (degrees)
Ω: 118.2 Longitude of ascending node (degrees)
T: 1996.200 Epoch of periastron passage (year)
e: 0.404 Eccentricity
ω: 53.8 Longitude of periastron (degrees)
Start-Year: 1902.0 Year
End-Year: 2148.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1840AB
Position: 043609.34+081332.8 Epoch-2000 right ascension and declination
WDS-ID: 04362+0814 WDS designation
Discoverer Code: A1840AB Discover designation and components
ADS number: 3326 Aitken Double Star catalog
HD number: 29196 HD catalog number
Hipparcos number: 21434 Hipparcos catalog number
V1: 8.37 Magnitude of the primary
V2: 8.91 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 A1840AB



WDS 6th Orbit including measures of A1840AB

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


Ephemeris of A1840AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.202    333.0
-------------------------
1902.0     0.301    227.2
1903.0     0.300    226.4
1904.0     0.298    225.5
1905.0     0.297    224.6
1906.0     0.295    223.7
1907.0     0.294    222.8
1908.0     0.293    221.9
1909.0     0.291    221.0
1910.0     0.290    220.1
1911.0     0.288    219.1
1912.0     0.287    218.2
1913.0     0.286    217.2
1914.0     0.284    216.3
1915.0     0.283    215.3
1916.0     0.281    214.3
1917.0     0.280    213.3
1918.0     0.278    212.3
1919.0     0.277    211.3
1920.0     0.275    210.3
1921.0     0.274    209.2
1922.0     0.273    208.2
1923.0     0.271    207.1
1924.0     0.270    206.1
1925.0     0.268    205.0
1926.0     0.267    203.9
1927.0     0.265    202.8
1928.0     0.264    201.7
1929.0     0.262    200.5
1930.0     0.261    199.4
1931.0     0.259    198.2
1932.0     0.258    197.1
1933.0     0.257    195.9
1934.0     0.255    194.7
1935.0     0.254    193.5
1936.0     0.252    192.3
1937.0     0.251    191.0
1938.0     0.249    189.8
1939.0     0.248    188.5
1940.0     0.247    187.2
1941.0     0.245    186.0
1942.0     0.244    184.6
1943.0     0.242    183.3
1944.0     0.241    182.0
1945.0     0.240    180.6
1946.0     0.238    179.3
1947.0     0.237    177.9
1948.0     0.236    176.5
1949.0     0.234    175.1
1950.0     0.233    173.6
1951.0     0.231    172.2
1952.0     0.230    170.7
1953.0     0.229    169.2
1954.0     0.227    167.7
1955.0     0.226    166.2
1956.0     0.224    164.7
1957.0     0.223    163.1
1958.0     0.221    161.5
1959.0     0.220    159.9
1960.0     0.219    158.3
1961.0     0.217    156.6
1962.0     0.216    155.0
1963.0     0.214    153.3
1964.0     0.213    151.6
1965.0     0.211    149.8
1966.0     0.209    148.0
1967.0     0.208    146.2
1968.0     0.206    144.4
1969.0     0.204    142.6
1970.0     0.202    140.7
1971.0     0.201    138.7
1972.0     0.199    136.8
1973.0     0.197    134.8
1974.0     0.195    132.8
1975.0     0.193    130.7
1976.0     0.191    128.6
1977.0     0.189    126.4
1978.0     0.186    124.2
1979.0     0.184    121.9
1980.0     0.182    119.5
1981.0     0.179    117.2
1982.0     0.177    114.7
1983.0     0.174    112.2
1984.0     0.172    109.5
1985.0     0.169    106.9
1986.0     0.166    104.1
1987.0     0.164    101.2
1988.0     0.161     98.2
1989.0     0.158     95.2
1990.0     0.156     92.0
1991.0     0.153     88.7
1992.0     0.151     85.3
1993.0     0.148     81.8
1994.0     0.146     78.2
1995.0     0.144     74.5
1996.0     0.142     70.7
1997.0     0.140     66.7
1998.0     0.138     62.7
1999.0     0.137     58.6
2000.0     0.136     54.4
2001.0     0.136     50.2
2002.0     0.136     45.9
2003.0     0.136     41.7
2004.0     0.136     37.4
2005.0     0.137     33.3
2006.0     0.138     29.1
2007.0     0.140     25.1
2008.0     0.142     21.1
2009.0     0.144     17.3
2010.0     0.146     13.6
2011.0     0.149     10.0
2012.0     0.152      6.5
2013.0     0.155      3.2
2014.0     0.159      0.1
2015.0     0.162    357.0
2016.0     0.166    354.1
2017.0     0.170    351.3
2018.0     0.174    348.7
2019.0     0.177    346.1
2020.0     0.181    343.7
2021.0     0.186    341.4
2022.0     0.190    339.2
2023.0     0.194    337.0
2024.0     0.198    335.0
2025.0     0.202    333.0
2026.0     0.206    331.2
2027.0     0.210    329.4
2028.0     0.214    327.6
2029.0     0.218    326.0
2030.0     0.222    324.3
2031.0     0.226    322.8
2032.0     0.230    321.3
2033.0     0.234    319.8
2034.0     0.237    318.4
2035.0     0.241    317.1
2036.0     0.245    315.7
2037.0     0.248    314.4
2038.0     0.252    313.2
2039.0     0.255    312.0
2040.0     0.258    310.8
2041.0     0.262    309.6
2042.0     0.265    308.5
2043.0     0.268    307.4
2044.0     0.271    306.3
2045.0     0.274    305.3
2046.0     0.277    304.2
2047.0     0.280    303.2
2048.0     0.282    302.2
2049.0     0.285    301.3
2050.0     0.288    300.3
2051.0     0.290    299.4
2052.0     0.293    298.5
2053.0     0.295    297.6
2054.0     0.297    296.7
2055.0     0.300    295.8
2056.0     0.302    294.9
2057.0     0.304    294.1
2058.0     0.306    293.2
2059.0     0.308    292.4
2060.0     0.310    291.6
2061.0     0.312    290.8
2062.0     0.314    290.0
2063.0     0.316    289.2
2064.0     0.317    288.4
2065.0     0.319    287.6
2066.0     0.320    286.9
2067.0     0.322    286.1
2068.0     0.323    285.4
2069.0     0.325    284.6
2070.0     0.326    283.9
2071.0     0.327    283.2
2072.0     0.328    282.4
2073.0     0.330    281.7
2074.0     0.331    281.0
2075.0     0.332    280.3
2076.0     0.333    279.6
2077.0     0.334    278.9
2078.0     0.335    278.2
2079.0     0.335    277.5
2080.0     0.336    276.8
2081.0     0.337    276.1
2082.0     0.338    275.4
2083.0     0.338    274.7
2084.0     0.339    274.0
2085.0     0.339    273.4
2086.0     0.340    272.7
2087.0     0.340    272.0
2088.0     0.341    271.3
2089.0     0.341    270.7
2090.0     0.341    270.0
2091.0     0.342    269.3
2092.0     0.342    268.6
2093.0     0.342    268.0
2094.0     0.342    267.3
2095.0     0.342    266.6
2096.0     0.342    266.0
2097.0     0.342    265.3
2098.0     0.342    264.6
2099.0     0.342    264.0
2100.0     0.342    263.3
2101.0     0.342    262.6
2102.0     0.342    262.0
2103.0     0.342    261.3
2104.0     0.341    260.6
2105.0     0.341    260.0
2106.0     0.341    259.3
2107.0     0.340    258.6
2108.0     0.340    257.9
2109.0     0.340    257.3
2110.0     0.339    256.6
2111.0     0.339    255.9
2112.0     0.338    255.2
2113.0     0.337    254.5
2114.0     0.337    253.8
2115.0     0.336    253.2
2116.0     0.336    252.5
2117.0     0.335    251.8
2118.0     0.334    251.1
2119.0     0.334    250.4
2120.0     0.333    249.7
2121.0     0.332    249.0
2122.0     0.331    248.2
2123.0     0.330    247.5
2124.0     0.329    246.8
2125.0     0.329    246.1
2126.0     0.328    245.4
2127.0     0.327    244.6
2128.0     0.326    243.9
2129.0     0.325    243.2
2130.0     0.324    242.4
2131.0     0.323    241.7
2132.0     0.322    240.9
2133.0     0.321    240.2
2134.0     0.319    239.4
2135.0     0.318    238.6
2136.0     0.317    237.9
2137.0     0.316    237.1
2138.0     0.315    236.3
2139.0     0.314    235.5
2140.0     0.312    234.7
2141.0     0.311    233.9
2142.0     0.310    233.1
2143.0     0.309    232.3
2144.0     0.307    231.4
2145.0     0.306    230.6
2146.0     0.305    229.8
2147.0     0.304    228.9






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.


www.stella-vega.de