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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:31:40

Orbital Elements for RST4340
WDS: RST4340 WDS ID/Discoverer
P: 132.250 Orbital period (years)
a: 0.284 Semi-major axis (arcseconds)
i: 56.9 Inclination (degrees)
Ω: 91.2 Longitude of ascending node (degrees)
T: 2013.280 Epoch of periastron passage (year)
e: 0.112 Eccentricity
ω: 149.4 Longitude of periastron (degrees)
Start-Year: 1959.0 Year
End-Year: 2091.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST4340
Position: 070904.73-590520.3 Epoch-2000 right ascension and declination
WDS-ID: 07091-5905 WDS designation
Discoverer Code: RST4340 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 55377 HD catalog number
Hipparcos number: 34510 Hipparcos catalog number
V1: 10.06 Magnitude of the primary
V2: 10.64 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for RST4340



WDS 6th Orbit including measures of RST4340

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


Ephemeris of RST4340
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.256    276.1
-------------------------
1959.0     0.311     88.8
1960.0     0.311     90.0
1961.0     0.310     91.2
1962.0     0.309     92.5
1963.0     0.308     93.7
1964.0     0.306     95.0
1965.0     0.304     96.3
1966.0     0.302     97.6
1967.0     0.299     98.9
1968.0     0.295    100.2
1969.0     0.292    101.6
1970.0     0.288    103.0
1971.0     0.283    104.5
1972.0     0.278    106.0
1973.0     0.273    107.6
1974.0     0.268    109.2
1975.0     0.262    110.9
1976.0     0.256    112.7
1977.0     0.250    114.5
1978.0     0.243    116.5
1979.0     0.236    118.6
1980.0     0.230    120.8
1981.0     0.222    123.1
1982.0     0.215    125.6
1983.0     0.208    128.3
1984.0     0.201    131.1
1985.0     0.194    134.2
1986.0     0.187    137.5
1987.0     0.180    141.0
1988.0     0.174    144.8
1989.0     0.167    148.9
1990.0     0.162    153.3
1991.0     0.157    158.0
1992.0     0.153    163.0
1993.0     0.149    168.2
1994.0     0.147    173.7
1995.0     0.145    179.3
1996.0     0.145    184.9
1997.0     0.145    190.6
1998.0     0.147    196.2
1999.0     0.149    201.7
2000.0     0.152    206.9
2001.0     0.156    211.9
2002.0     0.161    216.7
2003.0     0.166    221.1
2004.0     0.172    225.3
2005.0     0.178    229.2
2006.0     0.184    232.8
2007.0     0.191    236.2
2008.0     0.197    239.4
2009.0     0.203    242.4
2010.0     0.210    245.1
2011.0     0.216    247.8
2012.0     0.221    250.3
2013.0     0.227    252.7
2014.0     0.232    254.9
2015.0     0.236    257.1
2016.0     0.241    259.2
2017.0     0.244    261.2
2018.0     0.248    263.2
2019.0     0.250    265.1
2020.0     0.253    267.0
2021.0     0.254    268.8
2022.0     0.256    270.7
2023.0     0.256    272.5
2024.0     0.256    274.3
2025.0     0.256    276.1
2026.0     0.255    278.0
2027.0     0.254    279.8
2028.0     0.252    281.7
2029.0     0.249    283.6
2030.0     0.247    285.5
2031.0     0.243    287.5
2032.0     0.240    289.5
2033.0     0.236    291.6
2034.0     0.232    293.8
2035.0     0.227    296.1
2036.0     0.223    298.4
2037.0     0.218    300.9
2038.0     0.213    303.4
2039.0     0.208    306.1
2040.0     0.203    309.0
2041.0     0.198    311.9
2042.0     0.193    315.1
2043.0     0.188    318.4
2044.0     0.183    321.8
2045.0     0.179    325.5
2046.0     0.175    329.3
2047.0     0.171    333.3
2048.0     0.168    337.4
2049.0     0.166    341.7
2050.0     0.164    346.1
2051.0     0.163    350.6
2052.0     0.162    355.1
2053.0     0.162    359.6
2054.0     0.163      4.1
2055.0     0.165      8.6
2056.0     0.167     12.9
2057.0     0.169     17.1
2058.0     0.173     21.2
2059.0     0.177     25.1
2060.0     0.181     28.8
2061.0     0.186     32.4
2062.0     0.191     35.8
2063.0     0.196     38.9
2064.0     0.202     42.0
2065.0     0.207     44.8
2066.0     0.213     47.5
2067.0     0.219     50.1
2068.0     0.225     52.5
2069.0     0.231     54.8
2070.0     0.237     56.9
2071.0     0.243     59.0
2072.0     0.249     61.0
2073.0     0.254     62.9
2074.0     0.260     64.7
2075.0     0.265     66.4
2076.0     0.270     68.1
2077.0     0.275     69.7
2078.0     0.280     71.2
2079.0     0.284     72.7
2080.0     0.288     74.2
2081.0     0.292     75.6
2082.0     0.295     77.0
2083.0     0.298     78.3
2084.0     0.301     79.6
2085.0     0.304     80.9
2086.0     0.306     82.2
2087.0     0.308     83.5
2088.0     0.309     84.7
2089.0     0.310     86.0
2090.0     0.311     87.2






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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