Double Star Calculator - Orbit

Orbital Elements for RST792

WDS:	RST792	WDS ID/Discoverer
P:	174.000	Orbital period (years)
a:	0.396	Semi-major axis (arcseconds)
i:	76.0	Inclination (degrees)
Ω:	61.5	Longitude of ascending node (degrees)
T:	2018.450	Epoch of periastron passage (year)
e:	0.967	Eccentricity
ω:	257.6	Longitude of periastron (degrees)
Start-Year:	1938.0	Year
End-Year:	2112.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST792
Position:	154542.08-652907.6	Epoch-2000 right ascension and declination
WDS-ID:	15457-6529	WDS designation
Discoverer Code:	RST792	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	140081	HD catalog number
Hipparcos number:	77189	Hipparcos catalog number
V1:	8.96	Magnitude of the primary
V2:	9.72	Magnitude of the secondary
Equinox:		Equinox
Date:	2021	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2021f	Reference

Double Star Orbit for RST792

WDS 6th Orbit including measures of RST792

-- 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 RST792

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.151    81.15
--------------------------
1938.00    0.240   111.42
1939.00    0.239   111.77
1940.00    0.238   112.12
1941.00    0.236   112.48
1942.00    0.235   112.84
1943.00    0.233   113.20
1944.00    0.232   113.57
1945.00    0.230   113.95
1946.00    0.228   114.33
1947.00    0.227   114.72
1948.00    0.225   115.11
1949.00    0.223   115.50
1950.00    0.222   115.91
1951.00    0.220   116.32
1952.00    0.218   116.73
1953.00    0.216   117.16
1954.00    0.215   117.59
1955.00    0.213   118.03
1956.00    0.211   118.47
1957.00    0.209   118.93
1958.00    0.207   119.39
1959.00    0.205   119.86
1960.00    0.203   120.34
1961.00    0.201   120.83
1962.00    0.199   121.34
1963.00    0.197   121.85
1964.00    0.194   122.37
1965.00    0.192   122.91
1966.00    0.190   123.45
1967.00    0.188   124.01
1968.00    0.186   124.59
1969.00    0.183   125.17
1970.00    0.181   125.78
1971.00    0.179   126.39
1972.00    0.176   127.03
1973.00    0.174   127.68
1974.00    0.172   128.35
1975.00    0.169   129.04
1976.00    0.167   129.75
1977.00    0.164   130.48
1978.00    0.162   131.23
1979.00    0.159   132.01
1980.00    0.157   132.81
1981.00    0.154   133.64
1982.00    0.151   134.50
1983.00    0.149   135.38
1984.00    0.146   136.30
1985.00    0.144   137.25
1986.00    0.141   138.24
1987.00    0.138   139.27
1988.00    0.135   140.34
1989.00    0.133   141.45
1990.00    0.130   142.61
1991.00    0.127   143.82
1992.00    0.124   145.08
1993.00    0.122   146.40
1994.00    0.119   147.78
1995.00    0.116   149.23
1996.00    0.113   150.75
1997.00    0.110   152.35
1998.00    0.108   154.03
1999.00    0.105   155.81
2000.00    0.102   157.68
2001.00    0.099   159.65
2002.00    0.096   161.75
2003.00    0.094   163.97
2004.00    0.091   166.32
2005.00    0.088   168.83
2006.00    0.085   171.50
2007.00    0.082   174.35
2008.00    0.080   177.40
2009.00    0.077   180.67
2010.00    0.074   184.18
2011.00    0.071   187.97
2012.00    0.068   192.08
2013.00    0.065   196.56
2014.00    0.062   201.50
2015.00    0.058   207.05
2016.00    0.053   213.48
2017.00    0.046   221.52
2018.00    0.030   234.82
2019.00    0.038    63.33
2020.00    0.070    70.38
2021.00    0.090    73.53
2022.00    0.105    75.64
2023.00    0.118    77.26
2024.00    0.128    78.58
2025.00    0.138    79.71
2026.00    0.147    80.69
2027.00    0.154    81.58
2028.00    0.162    82.38
2029.00    0.168    83.11
2030.00    0.174    83.80
2031.00    0.180    84.44
2032.00    0.185    85.04
2033.00    0.190    85.60
2034.00    0.195    86.14
2035.00    0.199    86.66
2036.00    0.203    87.15
2037.00    0.207    87.63
2038.00    0.211    88.09
2039.00    0.214    88.53
2040.00    0.218    88.96
2041.00    0.221    89.37
2042.00    0.224    89.78
2043.00    0.227    90.17
2044.00    0.229    90.56
2045.00    0.232    90.93
2046.00    0.234    91.30
2047.00    0.237    91.66
2048.00    0.239    92.01
2049.00    0.241    92.36
2050.00    0.243    92.70
2051.00    0.245    93.04
2052.00    0.246    93.37
2053.00    0.248    93.70
2054.00    0.250    94.02
2055.00    0.251    94.34
2056.00    0.253    94.66
2057.00    0.254    94.97
2058.00    0.255    95.28
2059.00    0.256    95.58
2060.00    0.257    95.89
2061.00    0.258    96.19
2062.00    0.259    96.49
2063.00    0.260    96.78
2064.00    0.261    97.08
2065.00    0.262    97.37
2066.00    0.262    97.66
2067.00    0.263    97.95
2068.00    0.263    98.24
2069.00    0.264    98.53
2070.00    0.264    98.82
2071.00    0.265    99.10
2072.00    0.265    99.39
2073.00    0.265    99.67
2074.00    0.265    99.95
2075.00    0.266   100.24
2076.00    0.266   100.52
2077.00    0.266   100.81
2078.00    0.266   101.09
2079.00    0.266   101.37
2080.00    0.266   101.66
2081.00    0.265   101.94
2082.00    0.265   102.22
2083.00    0.265   102.51
2084.00    0.265   102.79
2085.00    0.264   103.08
2086.00    0.264   103.37
2087.00    0.264   103.65
2088.00    0.263   103.94
2089.00    0.263   104.23
2090.00    0.262   104.52
2091.00    0.261   104.81
2092.00    0.261   105.11
2093.00    0.260   105.40
2094.00    0.259   105.70
2095.00    0.259   106.00
2096.00    0.258   106.29
2097.00    0.257   106.60
2098.00    0.256   106.90
2099.00    0.255   107.21
2100.00    0.254   107.51
2101.00    0.253   107.82
2102.00    0.252   108.14
2103.00    0.251   108.45
2104.00    0.250   108.77
2105.00    0.249   109.09
2106.00    0.248   109.41
2107.00    0.247   109.74
2108.00    0.246   110.07
2109.00    0.244   110.40
2110.00    0.243   110.74
2111.00    0.242   111.08

Disclaimer

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 17:19:25