Double Star Calculator - Orbit

Orbital Elements for RST4454AB
WDS: RST4454AB WDS ID/Discoverer
P: 164.550 Orbital period (years)
a: 0.273 Semi-major axis (arcseconds)
i: 86.9 Inclination (degrees)
Ω: 221.3 Longitude of ascending node (degrees)
T: 1957.190 Epoch of periastron passage (year)
e: 0.306 Eccentricity
ω: 243.1 Longitude of periastron (degrees)
Start-Year: 1942.725 Year
End-Year: 2107.275 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for RST4454AB
Position: 101817.75-032626.0 Epoch-2000 right ascension and declination
WDS-ID: 10183-0326 WDS designation
Discoverer Code: RST4454AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 89334 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.9 Magnitude of the primary
V2: 9.9 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2010 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Hrt2011d Reference

Double Star Orbit for RST4454AB



WDS 6th Orbit including measures of RST4454AB

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of RST4454AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.239   224.63
--------------------------
1942.72    0.212    41.59
1943.72    0.207    41.78
1944.72    0.202    41.98
1945.72    0.197    42.19
1946.72    0.190    42.42
1947.72    0.183    42.66
1948.72    0.176    42.92
1949.72    0.167    43.20
1950.72    0.158    43.52
1951.72    0.149    43.88
1952.72    0.138    44.29
1953.72    0.128    44.76
1954.72    0.116    45.33
1955.72    0.104    46.02
1956.72    0.092    46.89
1957.72    0.079    48.04
1958.72    0.066    49.63
1959.72    0.053    52.00
1960.72    0.040    55.94
1961.72    0.027    63.73
1962.72    0.015    84.64
1963.72    0.011   146.57
1964.72    0.020   189.09
1965.72    0.032   202.24
1966.72    0.046   207.92
1967.72    0.059   211.04
1968.72    0.072   213.02
1969.72    0.085   214.38
1970.72    0.098   215.39
1971.72    0.110   216.17
1972.72    0.122   216.79
1973.72    0.134   217.30
1974.72    0.146   217.73
1975.72    0.157   218.10
1976.72    0.167   218.42
1977.72    0.177   218.70
1978.72    0.187   218.95
1979.72    0.197   219.18
1980.72    0.206   219.39
1981.72    0.214   219.58
1982.72    0.222   219.76
1983.72    0.230   219.92
1984.72    0.237   220.08
1985.72    0.244   220.22
1986.72    0.250   220.36
1987.72    0.256   220.49
1988.72    0.262   220.62
1989.72    0.267   220.74
1990.72    0.271   220.85
1991.72    0.276   220.96
1992.72    0.280   221.07
1993.72    0.283   221.18
1994.72    0.287   221.28
1995.72    0.290   221.38
1996.72    0.292   221.48
1997.72    0.294   221.58
1998.72    0.296   221.68
1999.72    0.298   221.77
2000.72    0.299   221.87
2001.72    0.300   221.96
2002.72    0.300   222.05
2003.72    0.300   222.15
2004.72    0.300   222.24
2005.72    0.300   222.33
2006.72    0.299   222.43
2007.72    0.299   222.52
2008.72    0.297   222.61
2009.72    0.296   222.71
2010.72    0.294   222.81
2011.72    0.292   222.90
2012.72    0.290   223.00
2013.72    0.288   223.10
2014.72    0.285   223.20
2015.72    0.282   223.31
2016.72    0.279   223.41
2017.72    0.276   223.52
2018.72    0.273   223.64
2019.72    0.269   223.75
2020.72    0.265   223.87
2021.72    0.261   223.99
2022.72    0.257   224.11
2023.72    0.252   224.24
2024.72    0.248   224.38
2025.72    0.243   224.52
2026.72    0.238   224.66
2027.72    0.233   224.81
2028.72    0.228   224.97
2029.72    0.222   225.14
2030.72    0.217   225.31
2031.72    0.211   225.50
2032.72    0.205   225.69
2033.72    0.199   225.90
2034.72    0.193   226.12
2035.72    0.187   226.35
2036.72    0.180   226.60
2037.72    0.174   226.87
2038.72    0.167   227.16
2039.72    0.160   227.47
2040.72    0.154   227.81
2041.72    0.147   228.18
2042.72    0.140   228.59
2043.72    0.133   229.04
2044.72    0.126   229.55
2045.72    0.118   230.11
2046.72    0.111   230.75
2047.72    0.104   231.48
2048.72    0.096   232.31
2049.72    0.089   233.29
2050.72    0.082   234.45
2051.72    0.074   235.84
2052.72    0.067   237.54
2053.72    0.059   239.68
2054.72    0.052   242.42
2055.72    0.045   246.07
2056.72    0.037   251.11
2057.72    0.031   258.40
2058.72    0.025   269.39
2059.72    0.020   286.12
2060.72    0.018   309.03
2061.72    0.020   332.84
2062.72    0.024   351.11
2063.72    0.029     3.25
2064.72    0.036    11.24
2065.72    0.043    16.70
2066.72    0.050    20.62
2067.72    0.057    23.55
2068.72    0.065    25.80
2069.72    0.072    27.60
2070.72    0.080    29.06
2071.72    0.087    30.27
2072.72    0.094    31.29
2073.72    0.102    32.16
2074.72    0.109    32.92
2075.72    0.116    33.59
2076.72    0.123    34.17
2077.72    0.130    34.70
2078.72    0.137    35.17
2079.72    0.143    35.60
2080.72    0.150    35.99
2081.72    0.156    36.35
2082.72    0.162    36.68
2083.72    0.168    36.99
2084.72    0.174    37.27
2085.72    0.180    37.54
2086.72    0.185    37.79
2087.72    0.190    38.03
2088.72    0.195    38.26
2089.72    0.199    38.48
2090.72    0.203    38.68
2091.72    0.207    38.88
2092.72    0.211    39.07
2093.72    0.214    39.26
2094.72    0.217    39.44
2095.72    0.219    39.62
2096.72    0.221    39.79
2097.72    0.223    39.96
2098.72    0.224    40.13
2099.72    0.225    40.29
2100.72    0.225    40.46
2101.72    0.224    40.63
2102.72    0.224    40.79
2103.72    0.222    40.96
2104.72    0.220    41.13
2105.72    0.217    41.31
2106.72    0.214    41.49






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This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 16:26:15



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