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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:01:14

Orbital Elements for RST2720
WDS: RST2720 WDS ID/Discoverer
P: 156.050 Orbital period (years)
a: 0.214 Semi-major axis (arcseconds)
i: 55.4 Inclination (degrees)
Ω: 51.6 Longitude of ascending node (degrees)
T: 2029.460 Epoch of periastron passage (year)
e: 0.0 Eccentricity
ω: 0.0 Longitude of periastron (degrees)
Start-Year: 1947.0 Year
End-Year: 2103.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST2720
Position: 105931.94-413028.2 Epoch-2000 right ascension and declination
WDS-ID: 10595-4130 WDS designation
Discoverer Code: RST2720 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.5 Magnitude of the primary
V2: 10.5 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for RST2720



WDS 6th Orbit including measures of RST2720

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


Ephemeris of RST2720
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.212     45.7
-------------------------
1947.0     0.212    225.7
1948.0     0.213    227.1
1949.0     0.213    228.4
1950.0     0.214    229.7
1951.0     0.214    231.0
1952.0     0.214    232.3
1953.0     0.214    233.7
1954.0     0.213    235.0
1955.0     0.213    236.3
1956.0     0.212    237.6
1957.0     0.210    239.0
1958.0     0.209    240.3
1959.0     0.207    241.7
1960.0     0.206    243.1
1961.0     0.204    244.6
1962.0     0.201    246.0
1963.0     0.199    247.5
1964.0     0.196    249.1
1965.0     0.193    250.6
1966.0     0.191    252.3
1967.0     0.187    254.0
1968.0     0.184    255.7
1969.0     0.181    257.5
1970.0     0.177    259.4
1971.0     0.174    261.3
1972.0     0.170    263.3
1973.0     0.166    265.5
1974.0     0.163    267.7
1975.0     0.159    270.0
1976.0     0.155    272.4
1977.0     0.152    275.0
1978.0     0.148    277.6
1979.0     0.145    280.4
1980.0     0.141    283.4
1981.0     0.138    286.4
1982.0     0.135    289.7
1983.0     0.132    293.0
1984.0     0.130    296.5
1985.0     0.127    300.2
1986.0     0.126    303.9
1987.0     0.124    307.8
1988.0     0.123    311.7
1989.0     0.122    315.7
1990.0     0.122    319.8
1991.0     0.122    323.8
1992.0     0.122    327.9
1993.0     0.123    331.9
1994.0     0.124    335.8
1995.0     0.126    339.7
1996.0     0.128    343.4
1997.0     0.130    347.0
1998.0     0.132    350.5
1999.0     0.135    353.9
2000.0     0.138    357.1
2001.0     0.142      0.1
2002.0     0.145      3.1
2003.0     0.148      5.9
2004.0     0.152      8.5
2005.0     0.156     11.1
2006.0     0.159     13.5
2007.0     0.163     15.8
2008.0     0.167     18.0
2009.0     0.171     20.1
2010.0     0.174     22.1
2011.0     0.178     24.0
2012.0     0.181     25.9
2013.0     0.185     27.7
2014.0     0.188     29.4
2015.0     0.191     31.1
2016.0     0.194     32.7
2017.0     0.197     34.3
2018.0     0.199     35.8
2019.0     0.202     37.3
2020.0     0.204     38.8
2021.0     0.206     40.2
2022.0     0.208     41.6
2023.0     0.209     43.0
2024.0     0.211     44.4
2025.0     0.212     45.7
2026.0     0.213     47.0
2027.0     0.213     48.4
2028.0     0.214     49.7
2029.0     0.214     51.0
2030.0     0.214     52.3
2031.0     0.214     53.6
2032.0     0.213     54.9
2033.0     0.213     56.3
2034.0     0.212     57.6
2035.0     0.210     58.9
2036.0     0.209     60.3
2037.0     0.207     61.7
2038.0     0.206     63.1
2039.0     0.204     64.5
2040.0     0.201     66.0
2041.0     0.199     67.5
2042.0     0.196     69.0
2043.0     0.194     70.6
2044.0     0.191     72.2
2045.0     0.187     73.9
2046.0     0.184     75.6
2047.0     0.181     77.4
2048.0     0.177     79.3
2049.0     0.174     81.3
2050.0     0.170     83.3
2051.0     0.167     85.4
2052.0     0.163     87.6
2053.0     0.159     89.9
2054.0     0.155     92.3
2055.0     0.152     94.9
2056.0     0.148     97.6
2057.0     0.145    100.4
2058.0     0.141    103.3
2059.0     0.138    106.4
2060.0     0.135    109.6
2061.0     0.132    112.9
2062.0     0.130    116.4
2063.0     0.127    120.1
2064.0     0.126    123.8
2065.0     0.124    127.7
2066.0     0.123    131.6
2067.0     0.122    135.6
2068.0     0.122    139.7
2069.0     0.122    143.7
2070.0     0.122    147.8
2071.0     0.123    151.8
2072.0     0.124    155.7
2073.0     0.126    159.6
2074.0     0.128    163.3
2075.0     0.130    167.0
2076.0     0.132    170.4
2077.0     0.135    173.8
2078.0     0.138    177.0
2079.0     0.141    180.1
2080.0     0.145    183.0
2081.0     0.148    185.8
2082.0     0.152    188.5
2083.0     0.156    191.0
2084.0     0.159    193.4
2085.0     0.163    195.7
2086.0     0.167    197.9
2087.0     0.170    200.0
2088.0     0.174    202.1
2089.0     0.178    204.0
2090.0     0.181    205.9
2091.0     0.184    207.7
2092.0     0.188    209.4
2093.0     0.191    211.1
2094.0     0.194    212.7
2095.0     0.196    214.3
2096.0     0.199    215.8
2097.0     0.201    217.3
2098.0     0.204    218.8
2099.0     0.206    220.2
2100.0     0.208    221.6
2101.0     0.209    223.0
2102.0     0.210    224.3



 

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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