Double Star Calculator - Orbit

Orbital Elements for RST4037
WDS: RST4037 WDS ID/Discoverer
P: 311.800 Orbital period (years)
a: 0.277 Semi-major axis (arcseconds)
i: 58.8 Inclination (degrees)
Ω: 57.6 Longitude of ascending node (degrees)
T: 2025.525 Epoch of periastron passage (year)
e: 0.256 Eccentricity
ω: 192.1 Longitude of periastron (degrees)
Start-Year: 1869.1 Year
End-Year: 2180.9 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for RST4037
Position: 192001.11-143441.5 Epoch-2000 right ascension and declination
WDS-ID: 19200-1435 WDS designation
Discoverer Code: RST4037 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 181191 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.5 Magnitude of the primary
V2: 9.5 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 RST4037



WDS 6th Orbit including measures of RST4037

-- 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 RST4037
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.202   245.00
--------------------------
1869.10    0.343    63.74
1870.10    0.342    64.12
1871.10    0.341    64.50
1872.10    0.340    64.88
1873.10    0.340    65.26
1874.10    0.339    65.65
1875.10    0.338    66.04
1876.10    0.337    66.43
1877.10    0.336    66.82
1878.10    0.335    67.21
1879.10    0.334    67.61
1880.10    0.332    68.01
1881.10    0.331    68.41
1882.10    0.330    68.82
1883.10    0.329    69.23
1884.10    0.327    69.64
1885.10    0.326    70.06
1886.10    0.324    70.48
1887.10    0.323    70.90
1888.10    0.321    71.33
1889.10    0.319    71.76
1890.10    0.318    72.20
1891.10    0.316    72.64
1892.10    0.314    73.09
1893.10    0.312    73.54
1894.10    0.310    74.00
1895.10    0.308    74.46
1896.10    0.306    74.93
1897.10    0.304    75.41
1898.10    0.302    75.89
1899.10    0.300    76.38
1900.10    0.298    76.87
1901.10    0.296    77.38
1902.10    0.294    77.89
1903.10    0.291    78.40
1904.10    0.289    78.93
1905.10    0.287    79.47
1906.10    0.284    80.01
1907.10    0.282    80.57
1908.10    0.279    81.13
1909.10    0.277    81.70
1910.10    0.274    82.29
1911.10    0.272    82.88
1912.10    0.269    83.49
1913.10    0.266    84.11
1914.10    0.264    84.74
1915.10    0.261    85.39
1916.10    0.258    86.05
1917.10    0.255    86.72
1918.10    0.253    87.41
1919.10    0.250    88.11
1920.10    0.247    88.83
1921.10    0.244    89.57
1922.10    0.241    90.32
1923.10    0.238    91.09
1924.10    0.235    91.89
1925.10    0.232    92.70
1926.10    0.229    93.53
1927.10    0.226    94.39
1928.10    0.223    95.27
1929.10    0.220    96.17
1930.10    0.217    97.09
1931.10    0.214    98.05
1932.10    0.211    99.03
1933.10    0.208   100.03
1934.10    0.205   101.07
1935.10    0.202   102.14
1936.10    0.199   103.24
1937.10    0.196   104.37
1938.10    0.194   105.54
1939.10    0.191   106.74
1940.10    0.188   107.98
1941.10    0.185   109.25
1942.10    0.182   110.57
1943.10    0.179   111.93
1944.10    0.177   113.33
1945.10    0.174   114.77
1946.10    0.171   116.26
1947.10    0.169   117.79
1948.10    0.166   119.37
1949.10    0.164   121.00
1950.10    0.162   122.67
1951.10    0.159   124.39
1952.10    0.157   126.16
1953.10    0.155   127.98
1954.10    0.153   129.84
1955.10    0.151   131.76
1956.10    0.150   133.71
1957.10    0.148   135.71
1958.10    0.147   137.75
1959.10    0.145   139.83
1960.10    0.144   141.95
1961.10    0.143   144.10
1962.10    0.142   146.29
1963.10    0.141   148.49
1964.10    0.141   150.72
1965.10    0.140   152.97
1966.10    0.140   155.23
1967.10    0.140   157.49
1968.10    0.140   159.76
1969.10    0.140   162.02
1970.10    0.140   164.28
1971.10    0.141   166.52
1972.10    0.141   168.75
1973.10    0.142   170.96
1974.10    0.143   173.14
1975.10    0.144   175.29
1976.10    0.145   177.41
1977.10    0.147   179.49
1978.10    0.148   181.54
1979.10    0.149   183.54
1980.10    0.151   185.51
1981.10    0.153   187.44
1982.10    0.154   189.32
1983.10    0.156   191.16
1984.10    0.158   192.95
1985.10    0.160   194.71
1986.10    0.162   196.42
1987.10    0.164   198.09
1988.10    0.166   199.71
1989.10    0.168   201.30
1990.10    0.170   202.85
1991.10    0.172   204.36
1992.10    0.175   205.84
1993.10    0.177   207.27
1994.10    0.179   208.68
1995.10    0.181   210.05
1996.10    0.183   211.40
1997.10    0.185   212.71
1998.10    0.187   214.00
1999.10    0.189   215.26
2000.10    0.190   216.49
2001.10    0.192   217.71
2002.10    0.194   218.90
2003.10    0.195   220.07
2004.10    0.197   221.22
2005.10    0.198   222.36
2006.10    0.200   223.47
2007.10    0.201   224.58
2008.10    0.202   225.67
2009.10    0.203   226.75
2010.10    0.204   227.82
2011.10    0.205   228.88
2012.10    0.206   229.93
2013.10    0.206   230.98
2014.10    0.207   232.01
2015.10    0.207   233.05
2016.10    0.207   234.08
2017.10    0.207   235.12
2018.10    0.207   236.15
2019.10    0.207   237.18
2020.10    0.207   238.22
2021.10    0.206   239.25
2022.10    0.206   240.30
2023.10    0.205   241.35
2024.10    0.204   242.41
2025.10    0.203   243.48
2026.10    0.202   244.56
2027.10    0.201   245.65
2028.10    0.199   246.76
2029.10    0.198   247.88
2030.10    0.196   249.02
2031.10    0.195   250.18
2032.10    0.193   251.37
2033.10    0.191   252.57
2034.10    0.189   253.80
2035.10    0.187   255.06
2036.10    0.185   256.34
2037.10    0.182   257.66
2038.10    0.180   259.01
2039.10    0.178   260.40
2040.10    0.175   261.83
2041.10    0.173   263.30
2042.10    0.170   264.81
2043.10    0.167   266.37
2044.10    0.165   267.98
2045.10    0.162   269.64
2046.10    0.160   271.36
2047.10    0.157   273.13
2048.10    0.154   274.96
2049.10    0.152   276.86
2050.10    0.149   278.82
2051.10    0.147   280.84
2052.10    0.144   282.93
2053.10    0.142   285.09
2054.10    0.140   287.32
2055.10    0.138   289.62
2056.10    0.136   291.99
2057.10    0.134   294.42
2058.10    0.132   296.92
2059.10    0.131   299.47
2060.10    0.130   302.09
2061.10    0.129   304.75
2062.10    0.128   307.45
2063.10    0.127   310.19
2064.10    0.126   312.96
2065.10    0.126   315.75
2066.10    0.126   318.54
2067.10    0.126   321.33
2068.10    0.126   324.11
2069.10    0.127   326.87
2070.10    0.128   329.61
2071.10    0.129   332.30
2072.10    0.130   334.94
2073.10    0.132   337.54
2074.10    0.133   340.07
2075.10    0.135   342.54
2076.10    0.137   344.94
2077.10    0.139   347.28
2078.10    0.141   349.53
2079.10    0.144   351.72
2080.10    0.146   353.83
2081.10    0.149   355.86
2082.10    0.152   357.83
2083.10    0.155   359.72
2084.10    0.158     1.54
2085.10    0.161     3.29
2086.10    0.164     4.98
2087.10    0.167     6.60
2088.10    0.170     8.16
2089.10    0.174     9.66
2090.10    0.177    11.10
2091.10    0.180    12.49
2092.10    0.184    13.83
2093.10    0.187    15.12
2094.10    0.191    16.37
2095.10    0.194    17.57
2096.10    0.198    18.72
2097.10    0.201    19.84
2098.10    0.205    20.92
2099.10    0.208    21.96
2100.10    0.211    22.97
2101.10    0.215    23.95
2102.10    0.218    24.89
2103.10    0.222    25.81
2104.10    0.225    26.70
2105.10    0.229    27.56
2106.10    0.232    28.40
2107.10    0.235    29.21
2108.10    0.239    30.00
2109.10    0.242    30.77
2110.10    0.245    31.52
2111.10    0.248    32.25
2112.10    0.251    32.96
2113.10    0.254    33.65
2114.10    0.258    34.33
2115.10    0.261    34.99
2116.10    0.264    35.64
2117.10    0.267    36.27
2118.10    0.269    36.89
2119.10    0.272    37.49
2120.10    0.275    38.08
2121.10    0.278    38.66
2122.10    0.281    39.23
2123.10    0.283    39.79
2124.10    0.286    40.34
2125.10    0.288    40.87
2126.10    0.291    41.40
2127.10    0.293    41.92
2128.10    0.296    42.43
2129.10    0.298    42.94
2130.10    0.301    43.43
2131.10    0.303    43.92
2132.10    0.305    44.40
2133.10    0.307    44.87
2134.10    0.309    45.34
2135.10    0.311    45.80
2136.10    0.313    46.26
2137.10    0.315    46.70
2138.10    0.317    47.15
2139.10    0.319    47.59
2140.10    0.321    48.02
2141.10    0.322    48.45
2142.10    0.324    48.88
2143.10    0.325    49.30
2144.10    0.327    49.71
2145.10    0.328    50.13
2146.10    0.330    50.54
2147.10    0.331    50.94
2148.10    0.332    51.35
2149.10    0.334    51.74
2150.10    0.335    52.14
2151.10    0.336    52.54
2152.10    0.337    52.93
2153.10    0.338    53.32
2154.10    0.339    53.70
2155.10    0.340    54.09
2156.10    0.341    54.47
2157.10    0.341    54.85
2158.10    0.342    55.23
2159.10    0.343    55.61
2160.10    0.343    55.99
2161.10    0.344    56.36
2162.10    0.344    56.74
2163.10    0.345    57.11
2164.10    0.345    57.48
2165.10    0.345    57.86
2166.10    0.346    58.23
2167.10    0.346    58.60
2168.10    0.346    58.97
2169.10    0.346    59.34
2170.10    0.346    59.71
2171.10    0.346    60.08
2172.10    0.346    60.45
2173.10    0.346    60.82
2174.10    0.346    61.19
2175.10    0.345    61.57
2176.10    0.345    61.94
2177.10    0.345    62.31
2178.10    0.344    62.69
2179.10    0.344    63.06
2180.10    0.343    63.44






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 18:03:08



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