Double Star Calculator - Orbit

Orbital Elements for COU1346

WDS:	COU1346	WDS ID/Discoverer
P:	139.600	Orbital period (years)
a:	0.212	Semi-major axis (arcseconds)
i:	119.2	Inclination (degrees)
Ω:	62.9	Longitude of ascending node (degrees)
T:	2029.900	Epoch of periastron passage (year)
e:	0.479	Eccentricity
ω:	109.2	Longitude of periastron (degrees)
Start-Year:	1955.2	Year
End-Year:	2094.8	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1346
Position:	232352.41+345554.0	Epoch-2000 right ascension and declination
WDS-ID:	23239+3456	WDS designation
Discoverer Code:	COU1346	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.3	Magnitude of the primary
V2:	9.6	Magnitude of the secondary
Equinox:		Equinox
Date:	2008	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Ksr2021	Reference

Double Star Orbit for COU1346

WDS 6th Orbit including measures of COU1346

-- 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 COU1346

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.058   349.82
--------------------------
1955.20    0.166   125.63
1956.20    0.168   123.86
1957.20    0.171   122.13
1958.20    0.173   120.45
1959.20    0.175   118.82
1960.20    0.178   117.22
1961.20    0.180   115.67
1962.20    0.182   114.16
1963.20    0.185   112.69
1964.20    0.187   111.26
1965.20    0.190   109.86
1966.20    0.192   108.50
1967.20    0.194   107.17
1968.20    0.197   105.87
1969.20    0.199   104.61
1970.20    0.201   103.37
1971.20    0.204   102.16
1972.20    0.206   100.98
1973.20    0.208    99.82
1974.20    0.210    98.68
1975.20    0.212    97.57
1976.20    0.214    96.48
1977.20    0.216    95.41
1978.20    0.218    94.35
1979.20    0.220    93.31
1980.20    0.221    92.29
1981.20    0.223    91.29
1982.20    0.224    90.29
1983.20    0.225    89.31
1984.20    0.227    88.34
1985.20    0.228    87.38
1986.20    0.229    86.42
1987.20    0.230    85.48
1988.20    0.230    84.54
1989.20    0.231    83.60
1990.20    0.231    82.67
1991.20    0.231    81.74
1992.20    0.231    80.82
1993.20    0.231    79.89
1994.20    0.231    78.96
1995.20    0.230    78.02
1996.20    0.229    77.08
1997.20    0.228    76.14
1998.20    0.227    75.18
1999.20    0.226    74.21
2000.20    0.224    73.23
2001.20    0.222    72.24
2002.20    0.220    71.22
2003.20    0.217    70.18
2004.20    0.214    69.12
2005.20    0.211    68.02
2006.20    0.208    66.89
2007.20    0.204    65.72
2008.20    0.200    64.50
2009.20    0.195    63.23
2010.20    0.190    61.89
2011.20    0.185    60.48
2012.20    0.179    58.98
2013.20    0.172    57.37
2014.20    0.166    55.63
2015.20    0.158    53.74
2016.20    0.151    51.66
2017.20    0.142    49.34
2018.20    0.133    46.73
2019.20    0.124    43.73
2020.20    0.115    40.24
2021.20    0.105    36.10
2022.20    0.094    31.07
2023.20    0.084    24.84
2024.20    0.075    16.96
2025.20    0.066     6.88
2026.20    0.059   354.16
2027.20    0.055   338.94
2028.20    0.055   322.50
2029.20    0.058   306.93
2030.20    0.065   293.69
2031.20    0.073   283.10
2032.20    0.082   274.74
2033.20    0.091   268.07
2034.20    0.100   262.64
2035.20    0.109   258.10
2036.20    0.117   254.21
2037.20    0.124   250.80
2038.20    0.131   247.76
2039.20    0.137   244.99
2040.20    0.142   242.44
2041.20    0.146   240.06
2042.20    0.150   237.80
2043.20    0.153   235.65
2044.20    0.156   233.58
2045.20    0.158   231.57
2046.20    0.160   229.61
2047.20    0.161   227.69
2048.20    0.162   225.79
2049.20    0.163   223.91
2050.20    0.163   222.04
2051.20    0.163   220.17
2052.20    0.163   218.29
2053.20    0.162   216.41
2054.20    0.162   214.52
2055.20    0.161   212.61
2056.20    0.160   210.68
2057.20    0.159   208.73
2058.20    0.158   206.76
2059.20    0.157   204.75
2060.20    0.156   202.72
2061.20    0.154   200.66
2062.20    0.153   198.56
2063.20    0.152   196.43
2064.20    0.151   194.27
2065.20    0.150   192.07
2066.20    0.149   189.84
2067.20    0.148   187.58
2068.20    0.147   185.29
2069.20    0.146   182.97
2070.20    0.145   180.63
2071.20    0.144   178.26
2072.20    0.144   175.87
2073.20    0.144   173.47
2074.20    0.143   171.06
2075.20    0.143   168.63
2076.20    0.143   166.21
2077.20    0.143   163.78
2078.20    0.143   161.37
2079.20    0.144   158.96
2080.20    0.144   156.57
2081.20    0.145   154.20
2082.20    0.146   151.86
2083.20    0.147   149.54
2084.20    0.148   147.26
2085.20    0.149   145.01
2086.20    0.151   142.80
2087.20    0.152   140.63
2088.20    0.154   138.50
2089.20    0.155   136.42
2090.20    0.157   134.38
2091.20    0.159   132.40
2092.20    0.161   130.45
2093.20    0.163   128.56
2094.20    0.165   126.71

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 18:50:37