Double Star Calculator - Orbit

Orbital Elements for A1146
WDS: A1146 WDS ID/Discoverer
P: 133.810 Orbital period (years)
a: 0.411 Semi-major axis (arcseconds)
i: 102.0 Inclination (degrees)
Ω: 117.6 Longitude of ascending node (degrees)
T: 2024.050 Epoch of periastron passage (year)
e: 0.055 Eccentricity
ω: 80.3 Longitude of periastron (degrees)
Start-Year: 1958.095 Year
End-Year: 2091.905 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for A1146
Position: 170338.52+694753.4 Epoch-2000 right ascension and declination
WDS-ID: 17036+6948 WDS designation
Discoverer Code: A1146 Discover designation and components
ADS number: 10340 Aitken Double Star catalog
HD number: 155090 HD catalog number
Hipparcos number: 83477 Hipparcos catalog number
V1: 8.15 Magnitude of the primary
V2: 9.80 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2004 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: USN2007b Reference

Double Star Orbit for A1146



WDS 6th Orbit including measures of A1146

-- 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 A1146
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.082    38.68
--------------------------
1958.10    0.105   239.62
1959.10    0.097   230.39
1960.10    0.092   219.82
1961.10    0.090   208.38
1962.10    0.092   196.87
1963.10    0.096   186.12
1964.10    0.104   176.67
1965.10    0.114   168.68
1966.10    0.125   162.06
1967.10    0.138   156.61
1968.10    0.151   152.09
1969.10    0.165   148.32
1970.10    0.180   145.14
1971.10    0.194   142.43
1972.10    0.208   140.10
1973.10    0.222   138.06
1974.10    0.236   136.27
1975.10    0.250   134.67
1976.10    0.264   133.24
1977.10    0.277   131.95
1978.10    0.289   130.77
1979.10    0.302   129.69
1980.10    0.313   128.69
1981.10    0.324   127.77
1982.10    0.335   126.90
1983.10    0.345   126.08
1984.10    0.354   125.31
1985.10    0.363   124.58
1986.10    0.371   123.88
1987.10    0.378   123.20
1988.10    0.384   122.55
1989.10    0.390   121.92
1990.10    0.395   121.31
1991.10    0.399   120.71
1992.10    0.402   120.13
1993.10    0.404   119.55
1994.10    0.406   118.97
1995.10    0.407   118.40
1996.10    0.406   117.83
1997.10    0.405   117.26
1998.10    0.403   116.68
1999.10    0.400   116.09
2000.10    0.396   115.50
2001.10    0.392   114.89
2002.10    0.386   114.27
2003.10    0.380   113.63
2004.10    0.372   112.96
2005.10    0.364   112.26
2006.10    0.355   111.53
2007.10    0.345   110.77
2008.10    0.335   109.95
2009.10    0.323   109.08
2010.10    0.311   108.14
2011.10    0.299   107.13
2012.10    0.285   106.02
2013.10    0.271   104.80
2014.10    0.257   103.45
2015.10    0.242   101.93
2016.10    0.226   100.20
2017.10    0.210    98.21
2018.10    0.194    95.90
2019.10    0.178    93.16
2020.10    0.162    89.88
2021.10    0.146    85.87
2022.10    0.130    80.89
2023.10    0.116    74.61
2024.10    0.102    66.62
2025.10    0.092    56.53
2026.10    0.084    44.21
2027.10    0.081    30.22
2028.10    0.082    15.93
2029.10    0.089     2.92
2030.10    0.098   352.05
2031.10    0.111   343.37
2032.10    0.125   336.55
2033.10    0.140   331.16
2034.10    0.156   326.84
2035.10    0.172   323.33
2036.10    0.189   320.43
2037.10    0.205   317.98
2038.10    0.221   315.89
2039.10    0.236   314.09
2040.10    0.252   312.50
2041.10    0.267   311.10
2042.10    0.281   309.84
2043.10    0.295   308.70
2044.10    0.308   307.66
2045.10    0.320   306.70
2046.10    0.332   305.82
2047.10    0.343   304.99
2048.10    0.354   304.21
2049.10    0.363   303.48
2050.10    0.372   302.78
2051.10    0.380   302.12
2052.10    0.387   301.48
2053.10    0.394   300.86
2054.10    0.399   300.26
2055.10    0.404   299.67
2056.10    0.408   299.10
2057.10    0.411   298.54
2058.10    0.413   297.98
2059.10    0.414   297.43
2060.10    0.414   296.88
2061.10    0.414   296.33
2062.10    0.412   295.78
2063.10    0.410   295.22
2064.10    0.407   294.65
2065.10    0.403   294.08
2066.10    0.399   293.49
2067.10    0.393   292.89
2068.10    0.387   292.27
2069.10    0.381   291.63
2070.10    0.373   290.97
2071.10    0.365   290.28
2072.10    0.356   289.55
2073.10    0.346   288.78
2074.10    0.336   287.97
2075.10    0.325   287.11
2076.10    0.314   286.18
2077.10    0.302   285.19
2078.10    0.290   284.11
2079.10    0.277   282.93
2080.10    0.264   281.64
2081.10    0.250   280.21
2082.10    0.236   278.61
2083.10    0.222   276.81
2084.10    0.208   274.77
2085.10    0.193   272.42
2086.10    0.179   269.70
2087.10    0.165   266.51
2088.10    0.151   262.71
2089.10    0.138   258.17
2090.10    0.125   252.68
2091.10    0.114   246.01



 

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 17:33:17


www.stella-vega.de