Double Star Calculator - Orbit

Orbital Elements for RST3708
WDS: RST3708 WDS ID/Discoverer
P: 153.510 Orbital period (years)
a: 0.412 Semi-major axis (arcseconds)
i: 44.4 Inclination (degrees)
Ω: 194.3 Longitude of ascending node (degrees)
T: 1968.180 Epoch of periastron passage (year)
e: 0.449 Eccentricity
ω: 9.6 Longitude of periastron (degrees)
Start-Year: 1948.245 Year
End-Year: 2101.755 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for RST3708
Position: 103727.57-093154.2 Epoch-2000 right ascension and declination
WDS-ID: 10375-0932 WDS designation
Discoverer Code: RST3708 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 92015 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.9 Magnitude of the primary
V2: 10.2 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2023 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: Tok2023a Reference

Double Star Orbit for RST3708



WDS 6th Orbit including measures of RST3708

-- 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 RST3708
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.568     7.60
--------------------------
1948.24    0.252   105.98
1949.24    0.246   110.08
1950.24    0.241   114.36
1951.24    0.237   118.81
1952.24    0.234   123.40
1953.24    0.231   128.11
1954.24    0.229   132.93
1955.24    0.227   137.83
1956.24    0.226   142.78
1957.24    0.226   147.75
1958.24    0.226   152.72
1959.24    0.227   157.67
1960.24    0.227   162.60
1961.24    0.228   167.50
1962.24    0.229   172.36
1963.24    0.230   177.19
1964.24    0.230   182.01
1965.24    0.229   186.83
1966.24    0.229   191.67
1967.24    0.227   196.56
1968.24    0.225   201.52
1969.24    0.223   206.58
1970.24    0.220   211.76
1971.24    0.217   217.10
1972.24    0.213   222.59
1973.24    0.210   228.27
1974.24    0.207   234.10
1975.24    0.205   240.09
1976.24    0.203   246.20
1977.24    0.203   252.37
1978.24    0.203   258.56
1979.24    0.205   264.68
1980.24    0.207   270.68
1981.24    0.211   276.49
1982.24    0.216   282.06
1983.24    0.222   287.35
1984.24    0.229   292.34
1985.24    0.237   297.02
1986.24    0.246   301.38
1987.24    0.255   305.45
1988.24    0.264   309.23
1989.24    0.274   312.75
1990.24    0.284   316.02
1991.24    0.294   319.05
1992.24    0.305   321.88
1993.24    0.315   324.53
1994.24    0.326   327.00
1995.24    0.337   329.31
1996.24    0.347   331.49
1997.24    0.358   333.54
1998.24    0.368   335.47
1999.24    0.378   337.30
2000.24    0.388   339.03
2001.24    0.398   340.68
2002.24    0.407   342.24
2003.24    0.417   343.74
2004.24    0.426   345.17
2005.24    0.435   346.54
2006.24    0.444   347.86
2007.24    0.452   349.12
2008.24    0.461   350.34
2009.24    0.469   351.52
2010.24    0.476   352.66
2011.24    0.484   353.76
2012.24    0.491   354.83
2013.24    0.498   355.87
2014.24    0.505   356.88
2015.24    0.512   357.86
2016.24    0.518   358.82
2017.24    0.524   359.75
2018.24    0.530     0.67
2019.24    0.535     1.56
2020.24    0.541     2.44
2021.24    0.546     3.30
2022.24    0.551     4.15
2023.24    0.555     4.98
2024.24    0.559     5.80
2025.24    0.563     6.60
2026.24    0.567     7.40
2027.24    0.571     8.18
2028.24    0.574     8.96
2029.24    0.577     9.73
2030.24    0.580    10.49
2031.24    0.582    11.24
2032.24    0.585    11.99
2033.24    0.587    12.73
2034.24    0.588    13.46
2035.24    0.590    14.20
2036.24    0.591    14.92
2037.24    0.592    15.65
2038.24    0.593    16.37
2039.24    0.594    17.09
2040.24    0.594    17.81
2041.24    0.594    18.53
2042.24    0.594    19.25
2043.24    0.594    19.97
2044.24    0.593    20.69
2045.24    0.593    21.41
2046.24    0.592    22.14
2047.24    0.590    22.87
2048.24    0.589    23.60
2049.24    0.587    24.33
2050.24    0.585    25.07
2051.24    0.583    25.82
2052.24    0.581    26.57
2053.24    0.578    27.33
2054.24    0.575    28.09
2055.24    0.572    28.86
2056.24    0.569    29.64
2057.24    0.565    30.43
2058.24    0.561    31.23
2059.24    0.558    32.05
2060.24    0.553    32.87
2061.24    0.549    33.71
2062.24    0.544    34.56
2063.24    0.540    35.42
2064.24    0.534    36.30
2065.24    0.529    37.20
2066.24    0.524    38.12
2067.24    0.518    39.06
2068.24    0.512    40.01
2069.24    0.506    40.99
2070.24    0.500    42.00
2071.24    0.493    43.03
2072.24    0.487    44.09
2073.24    0.480    45.17
2074.24    0.473    46.29
2075.24    0.466    47.45
2076.24    0.458    48.64
2077.24    0.451    49.87
2078.24    0.443    51.14
2079.24    0.435    52.46
2080.24    0.427    53.83
2081.24    0.419    55.25
2082.24    0.411    56.72
2083.24    0.402    58.26
2084.24    0.394    59.86
2085.24    0.385    61.54
2086.24    0.376    63.29
2087.24    0.368    65.13
2088.24    0.359    67.06
2089.24    0.350    69.08
2090.24    0.341    71.21
2091.24    0.332    73.45
2092.24    0.324    75.81
2093.24    0.315    78.30
2094.24    0.307    80.93
2095.24    0.298    83.71
2096.24    0.290    86.64
2097.24    0.282    89.75
2098.24    0.275    93.02
2099.24    0.268    96.48
2100.24    0.261   100.12
2101.24    0.255   103.95






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 16:29:08



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