Double Star Calculator - Orbit

Orbital Elements for RST4340
WDS: RST4340 WDS ID/Discoverer
P: 132.250 Orbital period (years)
a: 0.284 Semi-major axis (arcseconds)
i: 56.9 Inclination (degrees)
Ω: 91.2 Longitude of ascending node (degrees)
T: 2013.280 Epoch of periastron passage (year)
e: 0.112 Eccentricity
ω: 149.4 Longitude of periastron (degrees)
Start-Year: 1958.875 Year
End-Year: 2091.125 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for RST4340
Position: 070904.73-590520.3 Epoch-2000 right ascension and declination
WDS-ID: 07091-5905 WDS designation
Discoverer Code: RST4340 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 55377 HD catalog number
Hipparcos number: 34510 Hipparcos catalog number
V1: 10.06 Magnitude of the primary
V2: 10.64 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 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 RST4340



WDS 6th Orbit including measures of RST4340

-- 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 RST4340
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.254   278.87
--------------------------
1958.88    0.311    88.60
1959.88    0.311    89.84
1960.88    0.310    91.07
1961.88    0.310    92.31
1962.88    0.308    93.56
1963.88    0.306    94.82
1964.88    0.304    96.10
1965.88    0.302    97.39
1966.88    0.299    98.71
1967.88    0.296   100.06
1968.88    0.292   101.44
1969.88    0.288   102.86
1970.88    0.284   104.31
1971.88    0.279   105.82
1972.88    0.274   107.38
1973.88    0.268   109.00
1974.88    0.263   110.69
1975.88    0.257   112.45
1976.88    0.251   114.30
1977.88    0.244   116.25
1978.88    0.237   118.31
1979.88    0.230   120.49
1980.88    0.223   122.81
1981.88    0.216   125.27
1982.88    0.209   127.91
1983.88    0.202   130.74
1984.88    0.195   133.77
1985.88    0.188   137.03
1986.88    0.181   140.55
1987.88    0.174   144.33
1988.88    0.168   148.39
1989.88    0.163   152.75
1990.88    0.158   157.40
1991.88    0.153   162.34
1992.88    0.150   167.54
1993.88    0.147   172.96
1994.88    0.145   178.55
1995.88    0.145   184.22
1996.88    0.145   189.91
1997.88    0.146   195.53
1998.88    0.149   201.01
1999.88    0.152   206.30
2000.88    0.156   211.34
2001.88    0.160   216.11
2002.88    0.166   220.59
2003.88    0.171   224.79
2004.88    0.177   228.71
2005.88    0.184   232.38
2006.88    0.190   235.80
2007.88    0.196   238.99
2008.88    0.203   241.99
2009.88    0.209   244.81
2010.88    0.215   247.46
2011.88    0.221   249.98
2012.88    0.226   252.37
2013.88    0.231   254.65
2014.88    0.236   256.83
2015.88    0.240   258.94
2016.88    0.244   260.97
2017.88    0.247   262.95
2018.88    0.250   264.87
2019.88    0.252   266.76
2020.88    0.254   268.62
2021.88    0.255   270.45
2022.88    0.256   272.27
2023.88    0.256   274.09
2024.88    0.256   275.90
2025.88    0.255   277.72
2026.88    0.254   279.56
2027.88    0.252   281.42
2028.88    0.250   283.32
2029.88    0.247   285.25
2030.88    0.244   287.22
2031.88    0.240   289.26
2032.88    0.237   291.35
2033.88    0.232   293.52
2034.88    0.228   295.77
2035.88    0.223   298.11
2036.88    0.218   300.55
2037.88    0.213   303.11
2038.88    0.208   305.79
2039.88    0.203   308.60
2040.88    0.198   311.56
2041.88    0.193   314.67
2042.88    0.188   317.95
2043.88    0.184   321.40
2044.88    0.179   325.02
2045.88    0.175   328.81
2046.88    0.172   332.77
2047.88    0.169   336.89
2048.88    0.166   341.15
2049.88    0.164   345.52
2050.88    0.163   349.99
2051.88    0.162   354.51
2052.88    0.162   359.04
2053.88    0.163     3.56
2054.88    0.164     8.01
2055.88    0.166    12.38
2056.88    0.169    16.61
2057.88    0.172    20.71
2058.88    0.176    24.63
2059.88    0.180    28.39
2060.88    0.185    31.96
2061.88    0.190    35.35
2062.88    0.195    38.56
2063.88    0.201    41.59
2064.88    0.207    44.46
2065.88    0.212    47.18
2066.88    0.218    49.74
2067.88    0.224    52.18
2068.88    0.230    54.48
2069.88    0.236    56.67
2070.88    0.242    58.75
2071.88    0.248    60.73
2072.88    0.254    62.63
2073.88    0.259    64.44
2074.88    0.264    66.18
2075.88    0.270    67.85
2076.88    0.274    69.46
2077.88    0.279    71.02
2078.88    0.283    72.52
2079.88    0.288    73.98
2080.88    0.291    75.40
2081.88    0.295    76.79
2082.88    0.298    78.15
2083.88    0.301    79.47
2084.88    0.303    80.78
2085.88    0.306    82.06
2086.88    0.307    83.33
2087.88    0.309    84.58
2088.88    0.310    85.83
2089.88    0.311    87.06
2090.88    0.311    88.30



 

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 15:54:50


www.stella-vega.de