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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:34:12

Orbital Elements for RST4855
WDS: RST4855 WDS ID/Discoverer
P: 116.700 Orbital period (years)
a: 0.212 Semi-major axis (arcseconds)
i: 34.6 Inclination (degrees)
Ω: 168.8 Longitude of ascending node (degrees)
T: 1991.280 Epoch of periastron passage (year)
e: 0.832 Eccentricity
ω: 44.6 Longitude of periastron (degrees)
Start-Year: 1967.0 Year
End-Year: 2083.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST4855
Position: 073222.28-355740.3 Epoch-2000 right ascension and declination
WDS-ID: 07324-3558 WDS designation
Discoverer Code: RST4855 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 60312 HD catalog number
Hipparcos number: 36657 Hipparcos catalog number
V1: 6.7 Magnitude of the primary
V2: 7.8 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2013 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for RST4855



WDS 6th Orbit including measures of RST4855

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


Ephemeris of RST4855
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.326     15.0
-------------------------
1967.0     0.251     49.8
1968.0     0.245     50.9
1969.0     0.239     52.0
1970.0     0.232     53.1
1971.0     0.226     54.3
1972.0     0.219     55.6
1973.0     0.212     57.0
1974.0     0.204     58.4
1975.0     0.197     60.0
1976.0     0.189     61.7
1977.0     0.181     63.6
1978.0     0.172     65.6
1979.0     0.164     67.8
1980.0     0.155     70.3
1981.0     0.146     73.1
1982.0     0.136     76.3
1983.0     0.126     80.0
1984.0     0.116     84.4
1985.0     0.105     89.6
1986.0     0.094     96.0
1987.0     0.082    104.2
1988.0     0.071    115.0
1989.0     0.059    130.2
1990.0     0.047    153.2
1991.0     0.035    192.3
1992.0     0.033    252.7
1993.0     0.048    294.9
1994.0     0.067    314.8
1995.0     0.085    325.9
1996.0     0.102    333.2
1997.0     0.118    338.4
1998.0     0.132    342.4
1999.0     0.146    345.7
2000.0     0.158    348.5
2001.0     0.170    350.8
2002.0     0.181    352.9
2003.0     0.192    354.7
2004.0     0.201    356.3
2005.0     0.211    357.8
2006.0     0.220    359.2
2007.0     0.228      0.4
2008.0     0.236      1.6
2009.0     0.244      2.7
2010.0     0.251      3.8
2011.0     0.258      4.7
2012.0     0.264      5.7
2013.0     0.270      6.6
2014.0     0.276      7.4
2015.0     0.282      8.2
2016.0     0.287      9.0
2017.0     0.293      9.7
2018.0     0.298     10.5
2019.0     0.302     11.2
2020.0     0.307     11.9
2021.0     0.311     12.5
2022.0     0.315     13.2
2023.0     0.319     13.8
2024.0     0.322     14.4
2025.0     0.326     15.0
2026.0     0.329     15.6
2027.0     0.332     16.2
2028.0     0.335     16.8
2029.0     0.337     17.3
2030.0     0.340     17.9
2031.0     0.342     18.4
2032.0     0.344     19.0
2033.0     0.346     19.5
2034.0     0.348     20.0
2035.0     0.350     20.5
2036.0     0.351     21.1
2037.0     0.352     21.6
2038.0     0.354     22.1
2039.0     0.355     22.6
2040.0     0.355     23.1
2041.0     0.356     23.6
2042.0     0.357     24.1
2043.0     0.357     24.6
2044.0     0.357     25.1
2045.0     0.357     25.6
2046.0     0.357     26.1
2047.0     0.357     26.6
2048.0     0.357     27.1
2049.0     0.357     27.6
2050.0     0.356     28.1
2051.0     0.355     28.6
2052.0     0.354     29.1
2053.0     0.353     29.6
2054.0     0.352     30.1
2055.0     0.351     30.6
2056.0     0.349     31.1
2057.0     0.348     31.6
2058.0     0.346     32.1
2059.0     0.344     32.7
2060.0     0.342     33.2
2061.0     0.340     33.8
2062.0     0.338     34.3
2063.0     0.336     34.9
2064.0     0.333     35.4
2065.0     0.330     36.0
2066.0     0.327     36.6
2067.0     0.324     37.2
2068.0     0.321     37.8
2069.0     0.318     38.4
2070.0     0.314     39.1
2071.0     0.311     39.7
2072.0     0.307     40.4
2073.0     0.303     41.0
2074.0     0.299     41.7
2075.0     0.295     42.5
2076.0     0.290     43.2
2077.0     0.286     44.0
2078.0     0.281     44.7
2079.0     0.276     45.6
2080.0     0.271     46.4
2081.0     0.266     47.3
2082.0     0.260     48.2






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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