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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:41:41

Orbital Elements for RST3603
WDS: RST3603 WDS ID/Discoverer
P: 98.920 Orbital period (years)
a: 0.268 Semi-major axis (arcseconds)
i: 154.5 Inclination (degrees)
Ω: 155.5 Longitude of ascending node (degrees)
T: 1964.700 Epoch of periastron passage (year)
e: 0.393 Eccentricity
ω: 14.1 Longitude of periastron (degrees)
Start-Year: 1976.0 Year
End-Year: 2074.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST3603
Position: 084307.66-122519.0 Epoch-2000 right ascension and declination
WDS-ID: 08431-1225 WDS designation
Discoverer Code: RST3603 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 74333 HD catalog number
Hipparcos number: 42790 Hipparcos catalog number
V1: 7.80 Magnitude of the primary
V2: 9.61 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for RST3603



WDS 6th Orbit including measures of RST3603

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


Ephemeris of RST3603
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.350    304.9
-------------------------
1976.0     0.196     57.4
1977.0     0.203     51.9
1978.0     0.211     46.9
1979.0     0.218     42.1
1980.0     0.226     37.7
1981.0     0.234     33.6
1982.0     0.242     29.8
1983.0     0.250     26.2
1984.0     0.258     22.9
1985.0     0.265     19.7
1986.0     0.273     16.7
1987.0     0.280     13.8
1988.0     0.287     11.1
1989.0     0.294      8.6
1990.0     0.300      6.1
1991.0     0.306      3.7
1992.0     0.312      1.5
1993.0     0.318    359.3
1994.0     0.324    357.2
1995.0     0.329    355.2
1996.0     0.334    353.2
1997.0     0.338    351.2
1998.0     0.342    349.4
1999.0     0.346    347.5
2000.0     0.350    345.8
2001.0     0.353    344.0
2002.0     0.357    342.3
2003.0     0.359    340.6
2004.0     0.362    338.9
2005.0     0.364    337.3
2006.0     0.366    335.6
2007.0     0.368    334.0
2008.0     0.369    332.4
2009.0     0.370    330.8
2010.0     0.371    329.3
2011.0     0.371    327.7
2012.0     0.372    326.1
2013.0     0.372    324.5
2014.0     0.371    323.0
2015.0     0.371    321.4
2016.0     0.370    319.8
2017.0     0.369    318.2
2018.0     0.367    316.6
2019.0     0.366    315.0
2020.0     0.364    313.4
2021.0     0.362    311.7
2022.0     0.359    310.1
2023.0     0.356    308.4
2024.0     0.353    306.6
2025.0     0.350    304.9
2026.0     0.347    303.1
2027.0     0.343    301.3
2028.0     0.339    299.4
2029.0     0.335    297.5
2030.0     0.331    295.6
2031.0     0.326    293.5
2032.0     0.321    291.5
2033.0     0.316    289.3
2034.0     0.311    287.1
2035.0     0.305    284.8
2036.0     0.300    282.5
2037.0     0.294    280.0
2038.0     0.288    277.4
2039.0     0.282    274.8
2040.0     0.276    272.0
2041.0     0.269    269.0
2042.0     0.263    266.0
2043.0     0.256    262.7
2044.0     0.250    259.4
2045.0     0.243    255.8
2046.0     0.237    252.0
2047.0     0.230    248.0
2048.0     0.224    243.8
2049.0     0.217    239.3
2050.0     0.211    234.6
2051.0     0.206    229.6
2052.0     0.200    224.4
2053.0     0.195    218.8
2054.0     0.190    212.9
2055.0     0.185    206.7
2056.0     0.181    200.3
2057.0     0.177    193.5
2058.0     0.174    186.5
2059.0     0.171    179.2
2060.0     0.168    171.7
2061.0     0.166    163.9
2062.0     0.164    156.0
2063.0     0.163    147.8
2064.0     0.161    139.6
2065.0     0.161    131.2
2066.0     0.161    122.8
2067.0     0.161    114.4
2068.0     0.163    106.1
2069.0     0.165     98.1
2070.0     0.168     90.2
2071.0     0.173     82.8
2072.0     0.178     75.7
2073.0     0.183     69.0






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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