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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:37:00

Orbital Elements for DON1038
WDS: DON1038 WDS ID/Discoverer
P: 147.130 Orbital period (years)
a: 0.488 Semi-major axis (arcseconds)
i: 64.2 Inclination (degrees)
Ω: 9.9 Longitude of ascending node (degrees)
T: 1972.270 Epoch of periastron passage (year)
e: 0.556 Eccentricity
ω: 97.6 Longitude of periastron (degrees)
Start-Year: 1952.0 Year
End-Year: 2098.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for DON1038
Position: 225021.55-174420.3 Epoch-2000 right ascension and declination
WDS-ID: 22504-1744 WDS designation
Discoverer Code: DON1038 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.7 Magnitude of the primary
V2: 11.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2015 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for DON1038



WDS 6th Orbit including measures of DON1038

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


Ephemeris of DON1038
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.333    256.6
-------------------------
1952.0     0.427      1.7
1953.0     0.420      2.8
1954.0     0.411      4.1
1955.0     0.402      5.3
1956.0     0.391      6.7
1957.0     0.379      8.1
1958.0     0.366      9.6
1959.0     0.352     11.2
1960.0     0.337     13.0
1961.0     0.320     15.0
1962.0     0.301     17.2
1963.0     0.281     19.7
1964.0     0.259     22.6
1965.0     0.235     26.0
1966.0     0.210     30.3
1967.0     0.184     35.7
1968.0     0.158     43.0
1969.0     0.132     53.1
1970.0     0.111     67.6
1971.0     0.097     87.6
1972.0     0.096    110.9
1973.0     0.107    131.7
1974.0     0.128    147.2
1975.0     0.152    158.0
1976.0     0.178    165.8
1977.0     0.203    171.6
1978.0     0.227    176.2
1979.0     0.249    179.9
1980.0     0.269    183.1
1981.0     0.287    185.8
1982.0     0.303    188.2
1983.0     0.317    190.4
1984.0     0.330    192.4
1985.0     0.341    194.3
1986.0     0.351    196.0
1987.0     0.359    197.7
1988.0     0.366    199.3
1989.0     0.372    200.9
1990.0     0.377    202.4
1991.0     0.382    203.8
1992.0     0.385    205.3
1993.0     0.388    206.7
1994.0     0.390    208.1
1995.0     0.391    209.5
1996.0     0.392    210.8
1997.0     0.393    212.2
1998.0     0.393    213.6
1999.0     0.392    214.9
2000.0     0.391    216.3
2001.0     0.390    217.7
2002.0     0.389    219.1
2003.0     0.387    220.5
2004.0     0.385    221.9
2005.0     0.383    223.3
2006.0     0.381    224.8
2007.0     0.378    226.2
2008.0     0.376    227.7
2009.0     0.373    229.2
2010.0     0.371    230.7
2011.0     0.368    232.3
2012.0     0.365    233.9
2013.0     0.362    235.4
2014.0     0.359    237.1
2015.0     0.356    238.7
2016.0     0.354    240.4
2017.0     0.351    242.1
2018.0     0.348    243.8
2019.0     0.346    245.6
2020.0     0.343    247.3
2021.0     0.341    249.1
2022.0     0.339    251.0
2023.0     0.337    252.8
2024.0     0.335    254.7
2025.0     0.333    256.6
2026.0     0.331    258.5
2027.0     0.330    260.4
2028.0     0.329    262.4
2029.0     0.327    264.3
2030.0     0.327    266.3
2031.0     0.326    268.3
2032.0     0.326    270.3
2033.0     0.325    272.3
2034.0     0.326    274.2
2035.0     0.326    276.2
2036.0     0.326    278.2
2037.0     0.327    280.2
2038.0     0.328    282.2
2039.0     0.329    284.1
2040.0     0.331    286.0
2041.0     0.332    288.0
2042.0     0.334    289.9
2043.0     0.336    291.7
2044.0     0.338    293.6
2045.0     0.340    295.4
2046.0     0.343    297.2
2047.0     0.346    299.0
2048.0     0.349    300.8
2049.0     0.352    302.5
2050.0     0.355    304.2
2051.0     0.358    305.8
2052.0     0.362    307.5
2053.0     0.365    309.1
2054.0     0.369    310.6
2055.0     0.373    312.2
2056.0     0.376    313.7
2057.0     0.380    315.1
2058.0     0.384    316.6
2059.0     0.388    318.0
2060.0     0.392    319.4
2061.0     0.396    320.7
2062.0     0.400    322.1
2063.0     0.404    323.4
2064.0     0.408    324.6
2065.0     0.412    325.9
2066.0     0.416    327.1
2067.0     0.420    328.3
2068.0     0.424    329.5
2069.0     0.427    330.7
2070.0     0.431    331.8
2071.0     0.435    333.0
2072.0     0.438    334.1
2073.0     0.441    335.1
2074.0     0.445    336.2
2075.0     0.448    337.3
2076.0     0.450    338.3
2077.0     0.453    339.4
2078.0     0.456    340.4
2079.0     0.458    341.4
2080.0     0.460    342.4
2081.0     0.462    343.4
2082.0     0.463    344.4
2083.0     0.465    345.3
2084.0     0.466    346.3
2085.0     0.466    347.3
2086.0     0.467    348.3
2087.0     0.467    349.2
2088.0     0.466    350.2
2089.0     0.465    351.2
2090.0     0.464    352.1
2091.0     0.463    353.1
2092.0     0.460    354.1
2093.0     0.458    355.1
2094.0     0.454    356.1
2095.0     0.451    357.2
2096.0     0.446    358.2
2097.0     0.441    359.3






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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