Double Star Calculator - Orbit

Orbital Elements for STF1883

WDS:	STF1883	WDS ID/Discoverer
P:	225.512	Orbital period (years)
a:	0.81664	Semi-major axis (arcseconds)
i:	106.002	Inclination (degrees)
Ω:	99.665	Longitude of ascending node (degrees)
T:	1964.799	Epoch of periastron passage (year)
e:	0.61358	Eccentricity
ω:	41.537	Longitude of periastron (degrees)
Start-Year:	1912.2441	Year
End-Year:	2137.7559	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF1883
Position:	144853.22+055715.9	Epoch-2000 right ascension and declination
WDS-ID:	14489+0557	WDS designation
Discoverer Code:	STF1883	Discover designation and components
ADS number:	9392	Aitken Double Star catalog
HD number:	130604	HD catalog number
Hipparcos number:	72447	Hipparcos catalog number
V1:	7.02	Magnitude of the primary
V2:	8.95	Magnitude of the secondary
Equinox:		Equinox
Date:	2015	Date of last observation
Orbit grade:	2	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Izm2019	Reference

Double Star Orbit for STF1883

WDS 6th Orbit including measures of STF1883

-- 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 STF1883

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.086   275.75
--------------------------
1912.24    0.375   232.23
1913.24    0.363   230.53
1914.24    0.351   228.71
1915.24    0.339   226.76
1916.24    0.328   224.67
1917.24    0.317   222.44
1918.24    0.306   220.05
1919.24    0.296   217.48
1920.24    0.286   214.74
1921.24    0.277   211.81
1922.24    0.268   208.68
1923.24    0.260   205.35
1924.24    0.253   201.83
1925.24    0.247   198.11
1926.24    0.241   194.22
1927.24    0.237   190.17
1928.24    0.234   185.99
1929.24    0.232   181.71
1930.24    0.231   177.37
1931.24    0.231   173.02
1932.24    0.232   168.69
1933.24    0.235   164.44
1934.24    0.238   160.29
1935.24    0.243   156.28
1936.24    0.248   152.42
1937.24    0.254   148.74
1938.24    0.261   145.25
1939.24    0.268   141.94
1940.24    0.276   138.81
1941.24    0.285   135.87
1942.24    0.293   133.09
1943.24    0.302   130.48
1944.24    0.311   128.01
1945.24    0.320   125.68
1946.24    0.328   123.47
1947.24    0.337   121.37
1948.24    0.344   119.38
1949.24    0.352   117.46
1950.24    0.358   115.63
1951.24    0.364   113.85
1952.24    0.369   112.12
1953.24    0.372   110.43
1954.24    0.374   108.77
1955.24    0.374   107.11
1956.24    0.372   105.45
1957.24    0.368   103.76
1958.24    0.362   102.02
1959.24    0.352   100.20
1960.24    0.340    98.27
1961.24    0.324    96.17
1962.24    0.305    93.83
1963.24    0.283    91.15
1964.24    0.258    87.99
1965.24    0.231    84.10
1966.24    0.201    79.12
1967.24    0.172    72.41
1968.24    0.143    62.93
1969.24    0.118    49.11
1970.24    0.102    29.65
1971.24    0.100     6.53
1972.24    0.113   345.70
1973.24    0.136   330.50
1974.24    0.165   320.16
1975.24    0.197   313.01
1976.24    0.229   307.87
1977.24    0.262   304.01
1978.24    0.295   301.02
1979.24    0.327   298.62
1980.24    0.359   296.65
1981.24    0.390   294.99
1982.24    0.420   293.57
1983.24    0.449   292.34
1984.24    0.477   291.26
1985.24    0.504   290.30
1986.24    0.531   289.43
1987.24    0.556   288.64
1988.24    0.581   287.93
1989.24    0.605   287.27
1990.24    0.628   286.66
1991.24    0.651   286.09
1992.24    0.673   285.56
1993.24    0.694   285.07
1994.24    0.714   284.60
1995.24    0.733   284.16
1996.24    0.752   283.74
1997.24    0.771   283.34
1998.24    0.788   282.96
1999.24    0.805   282.59
2000.24    0.822   282.24
2001.24    0.838   281.90
2002.24    0.853   281.58
2003.24    0.868   281.27
2004.24    0.882   280.96
2005.24    0.896   280.67
2006.24    0.909   280.38
2007.24    0.922   280.11
2008.24    0.934   279.84
2009.24    0.946   279.58
2010.24    0.957   279.32
2011.24    0.968   279.07
2012.24    0.978   278.83
2013.24    0.988   278.59
2014.24    0.998   278.35
2015.24    1.007   278.12
2016.24    1.016   277.89
2017.24    1.025   277.67
2018.24    1.033   277.45
2019.24    1.040   277.24
2020.24    1.048   277.02
2021.24    1.055   276.81
2022.24    1.061   276.61
2023.24    1.068   276.40
2024.24    1.073   276.20
2025.24    1.079   276.00
2026.24    1.084   275.80
2027.24    1.089   275.61
2028.24    1.094   275.41
2029.24    1.098   275.22
2030.24    1.102   275.03
2031.24    1.106   274.84
2032.24    1.110   274.65
2033.24    1.113   274.46
2034.24    1.116   274.27
2035.24    1.118   274.09
2036.24    1.121   273.90
2037.24    1.123   273.72
2038.24    1.124   273.54
2039.24    1.126   273.35
2040.24    1.127   273.17
2041.24    1.128   272.99
2042.24    1.129   272.81
2043.24    1.130   272.62
2044.24    1.130   272.44
2045.24    1.130   272.26
2046.24    1.130   272.08
2047.24    1.129   271.90
2048.24    1.128   271.72
2049.24    1.128   271.53
2050.24    1.126   271.35
2051.24    1.125   271.17
2052.24    1.123   270.99
2053.24    1.122   270.80
2054.24    1.120   270.62
2055.24    1.117   270.43
2056.24    1.115   270.25
2057.24    1.112   270.06
2058.24    1.109   269.87
2059.24    1.106   269.68
2060.24    1.103   269.49
2061.24    1.099   269.30
2062.24    1.096   269.11
2063.24    1.092   268.92
2064.24    1.088   268.72
2065.24    1.083   268.52
2066.24    1.079   268.33
2067.24    1.074   268.13
2068.24    1.069   267.92
2069.24    1.064   267.72
2070.24    1.059   267.51
2071.24    1.054   267.31
2072.24    1.048   267.10
2073.24    1.042   266.88
2074.24    1.036   266.67
2075.24    1.030   266.45
2076.24    1.024   266.23
2077.24    1.017   266.01
2078.24    1.011   265.79
2079.24    1.004   265.56
2080.24    0.997   265.33
2081.24    0.990   265.09
2082.24    0.982   264.85
2083.24    0.975   264.61
2084.24    0.967   264.36
2085.24    0.959   264.12
2086.24    0.951   263.86
2087.24    0.943   263.60
2088.24    0.935   263.34
2089.24    0.927   263.07
2090.24    0.918   262.80
2091.24    0.909   262.52
2092.24    0.900   262.24
2093.24    0.891   261.95
2094.24    0.882   261.66
2095.24    0.873   261.35
2096.24    0.863   261.05
2097.24    0.853   260.73
2098.24    0.844   260.41
2099.24    0.834   260.08
2100.24    0.824   259.74
2101.24    0.813   259.40
2102.24    0.803   259.04
2103.24    0.793   258.68
2104.24    0.782   258.30
2105.24    0.771   257.92
2106.24    0.760   257.52
2107.24    0.749   257.12
2108.24    0.738   256.70
2109.24    0.727   256.27
2110.24    0.716   255.82
2111.24    0.704   255.36
2112.24    0.693   254.89
2113.24    0.681   254.40
2114.24    0.669   253.89
2115.24    0.657   253.36
2116.24    0.645   252.81
2117.24    0.633   252.25
2118.24    0.621   251.66
2119.24    0.609   251.04
2120.24    0.596   250.40
2121.24    0.584   249.74
2122.24    0.571   249.04
2123.24    0.559   248.32
2124.24    0.546   247.56
2125.24    0.533   246.76
2126.24    0.521   245.93
2127.24    0.508   245.05
2128.24    0.495   244.13
2129.24    0.482   243.16
2130.24    0.470   242.14
2131.24    0.457   241.06
2132.24    0.444   239.91
2133.24    0.431   238.70
2134.24    0.419   237.42
2135.24    0.406   236.06
2136.24    0.394   234.61
2137.24    0.381   233.06

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 17:08:52