Double Star Calculator - Orbit

Orbital Elements for STT484AB
WDS: STT484AB WDS ID/Discoverer
P: 142.600 Orbital period (years)
a: 0.366 Semi-major axis (arcseconds)
i: 111.4 Inclination (degrees)
Ω: 142.2 Longitude of ascending node (degrees)
T: 1937.710 Epoch of periastron passage (year)
e: 0.866 Eccentricity
ω: 247.7 Longitude of periastron (degrees)
Start-Year: 1953.7 Year
End-Year: 2096.3 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for STT484AB
Position: 225613.13+725014.5 Epoch-2000 right ascension and declination
WDS-ID: 22562+7250 WDS designation
Discoverer Code: STT484AB Discover designation and components
ADS number: 16393 Aitken Double Star catalog
HD number: 217085 HD catalog number
Hipparcos number: 113273 Hipparcos catalog number
V1: 7.57 Magnitude of the primary
V2: 9.47 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2007 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Sca2014a Reference

Double Star Orbit for STT484AB



WDS 6th Orbit including measures of STT484AB

-- 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 STT484AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.291    89.97
--------------------------
1953.70    0.301   126.46
1954.70    0.308   125.79
1955.70    0.315   125.15
1956.70    0.321   124.54
1957.70    0.326   123.95
1958.70    0.332   123.38
1959.70    0.337   122.83
1960.70    0.341   122.30
1961.70    0.346   121.77
1962.70    0.350   121.26
1963.70    0.353   120.76
1964.70    0.357   120.27
1965.70    0.360   119.79
1966.70    0.363   119.32
1967.70    0.366   118.86
1968.70    0.368   118.40
1969.70    0.370   117.95
1970.70    0.372   117.50
1971.70    0.374   117.06
1972.70    0.376   116.62
1973.70    0.378   116.18
1974.70    0.379   115.75
1975.70    0.380   115.32
1976.70    0.381   114.90
1977.70    0.382   114.47
1978.70    0.382   114.05
1979.70    0.383   113.63
1980.70    0.383   113.21
1981.70    0.384   112.79
1982.70    0.384   112.37
1983.70    0.384   111.95
1984.70    0.383   111.53
1985.70    0.383   111.11
1986.70    0.383   110.69
1987.70    0.382   110.27
1988.70    0.382   109.85
1989.70    0.381   109.42
1990.70    0.380   109.00
1991.70    0.379   108.57
1992.70    0.378   108.14
1993.70    0.377   107.70
1994.70    0.375   107.27
1995.70    0.374   106.83
1996.70    0.373   106.38
1997.70    0.371   105.94
1998.70    0.369   105.49
1999.70    0.367   105.03
2000.70    0.366   104.57
2001.70    0.364   104.11
2002.70    0.362   103.64
2003.70    0.360   103.17
2004.70    0.357   102.69
2005.70    0.355   102.20
2006.70    0.353   101.71
2007.70    0.350   101.21
2008.70    0.348   100.70
2009.70    0.345   100.19
2010.70    0.342    99.66
2011.70    0.340    99.13
2012.70    0.337    98.59
2013.70    0.334    98.05
2014.70    0.331    97.49
2015.70    0.328    96.92
2016.70    0.325    96.34
2017.70    0.322    95.75
2018.70    0.318    95.15
2019.70    0.315    94.53
2020.70    0.312    93.90
2021.70    0.308    93.26
2022.70    0.305    92.61
2023.70    0.301    91.93
2024.70    0.298    91.25
2025.70    0.294    90.54
2026.70    0.290    89.82
2027.70    0.287    89.08
2028.70    0.283    88.32
2029.70    0.279    87.54
2030.70    0.275    86.73
2031.70    0.271    85.91
2032.70    0.267    85.05
2033.70    0.263    84.18
2034.70    0.259    83.27
2035.70    0.255    82.34
2036.70    0.251    81.38
2037.70    0.247    80.38
2038.70    0.243    79.35
2039.70    0.238    78.29
2040.70    0.234    77.18
2041.70    0.230    76.04
2042.70    0.226    74.85
2043.70    0.222    73.61
2044.70    0.217    72.33
2045.70    0.213    71.00
2046.70    0.209    69.61
2047.70    0.204    68.16
2048.70    0.200    66.66
2049.70    0.196    65.08
2050.70    0.192    63.44
2051.70    0.188    61.72
2052.70    0.183    59.93
2053.70    0.179    58.05
2054.70    0.175    56.09
2055.70    0.171    54.04
2056.70    0.167    51.89
2057.70    0.164    49.63
2058.70    0.160    47.28
2059.70    0.156    44.81
2060.70    0.153    42.22
2061.70    0.149    39.52
2062.70    0.146    36.69
2063.70    0.143    33.74
2064.70    0.140    30.66
2065.70    0.137    27.44
2066.70    0.134    24.09
2067.70    0.132    20.61
2068.70    0.129    16.99
2069.70    0.127    13.23
2070.70    0.125     9.33
2071.70    0.122     5.27
2072.70    0.119     1.04
2073.70    0.117   356.62
2074.70    0.113   351.94
2075.70    0.109   346.93
2076.70    0.102   341.40
2077.70    0.093   334.98
2078.70    0.078   326.58
2079.70    0.049   311.22
2080.70    0.019   220.79
2081.70    0.059   158.75
2082.70    0.097   148.25
2083.70    0.128   143.33
2084.70    0.153   140.19
2085.70    0.174   137.88
2086.70    0.193   136.05
2087.70    0.209   134.52
2088.70    0.224   133.21
2089.70    0.237   132.04
2090.70    0.249   131.00
2091.70    0.260   130.05
2092.70    0.270   129.17
2093.70    0.280   128.36
2094.70    0.288   127.59
2095.70    0.296   126.87



 

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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 18:45:27


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