Double Star Calculator - Orbit

Orbital Elements for COU1067

WDS:	COU1067	WDS ID/Discoverer
P:	133.900	Orbital period (years)
a:	0.239	Semi-major axis (arcseconds)
i:	77.2	Inclination (degrees)
Ω:	20.2	Longitude of ascending node (degrees)
T:	1980.500	Epoch of periastron passage (year)
e:	0.554	Eccentricity
ω:	271.2	Longitude of periastron (degrees)
Start-Year:	1958.05	Year
End-Year:	2091.95	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1067
Position:	020902.07+354029.5	Epoch-2000 right ascension and declination
WDS-ID:	02090+3540	WDS designation
Discoverer Code:	COU1067	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	13102	HD catalog number
Hipparcos number:	10022	Hipparcos catalog number
V1:	8.94	Magnitude of the primary
V2:	9.44	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	BAE2021	Reference

Double Star Orbit for COU1067

WDS 6th Orbit including measures of COU1067

-- 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 COU1067

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.134    52.64
--------------------------
1958.05    0.204   191.65
1959.05    0.204   192.33
1960.05    0.203   193.02
1961.05    0.201   193.71
1962.05    0.199   194.42
1963.05    0.197   195.14
1964.05    0.194   195.88
1965.05    0.190   196.65
1966.05    0.186   197.45
1967.05    0.181   198.29
1968.05    0.175   199.18
1969.05    0.168   200.14
1970.05    0.160   201.20
1971.05    0.151   202.37
1972.05    0.141   203.70
1973.05    0.129   205.25
1974.05    0.116   207.12
1975.05    0.102   209.50
1976.05    0.087   212.68
1977.05    0.070   217.33
1978.05    0.053   224.97
1979.05    0.036   239.86
1980.05    0.025   273.27
1981.05    0.027   320.51
1982.05    0.041   346.62
1983.05    0.058   358.49
1984.05    0.075     4.94
1985.05    0.092     9.04
1986.05    0.107    11.93
1987.05    0.120    14.14
1988.05    0.132    15.92
1989.05    0.143    17.41
1990.05    0.153    18.70
1991.05    0.161    19.85
1992.05    0.169    20.89
1993.05    0.175    21.85
1994.05    0.180    22.75
1995.05    0.185    23.60
1996.05    0.188    24.41
1997.05    0.192    25.20
1998.05    0.194    25.96
1999.05    0.196    26.70
2000.05    0.197    27.44
2001.05    0.198    28.16
2002.05    0.198    28.88
2003.05    0.198    29.60
2004.05    0.198    30.32
2005.05    0.197    31.05
2006.05    0.196    31.78
2007.05    0.195    32.52
2008.05    0.193    33.27
2009.05    0.191    34.03
2010.05    0.189    34.81
2011.05    0.187    35.61
2012.05    0.184    36.44
2013.05    0.182    37.28
2014.05    0.179    38.15
2015.05    0.176    39.05
2016.05    0.173    39.98
2017.05    0.169    40.95
2018.05    0.166    41.96
2019.05    0.163    43.01
2020.05    0.159    44.10
2021.05    0.155    45.25
2022.05    0.152    46.46
2023.05    0.148    47.72
2024.05    0.144    49.05
2025.05    0.140    50.46
2026.05    0.136    51.95
2027.05    0.132    53.52
2028.05    0.128    55.19
2029.05    0.124    56.96
2030.05    0.121    58.85
2031.05    0.117    60.86
2032.05    0.113    63.00
2033.05    0.110    65.28
2034.05    0.106    67.72
2035.05    0.103    70.31
2036.05    0.100    73.08
2037.05    0.097    76.03
2038.05    0.094    79.15
2039.05    0.091    82.46
2040.05    0.089    85.95
2041.05    0.087    89.61
2042.05    0.085    93.42
2043.05    0.084    97.38
2044.05    0.083   101.44
2045.05    0.082   105.58
2046.05    0.082   109.76
2047.05    0.082   113.94
2048.05    0.083   118.08
2049.05    0.084   122.14
2050.05    0.085   126.10
2051.05    0.087   129.92
2052.05    0.089   133.59
2053.05    0.091   137.08
2054.05    0.094   140.40
2055.05    0.097   143.53
2056.05    0.100   146.48
2057.05    0.103   149.25
2058.05    0.106   151.85
2059.05    0.110   154.29
2060.05    0.113   156.57
2061.05    0.117   158.72
2062.05    0.121   160.73
2063.05    0.124   162.61
2064.05    0.128   164.39
2065.05    0.132   166.05
2066.05    0.136   167.63
2067.05    0.140   169.11
2068.05    0.144   170.51
2069.05    0.148   171.84
2070.05    0.152   173.10
2071.05    0.156   174.30
2072.05    0.159   175.45
2073.05    0.163   176.54
2074.05    0.167   177.58
2075.05    0.170   178.58
2076.05    0.174   179.54
2077.05    0.177   180.46
2078.05    0.180   181.35
2079.05    0.183   182.21
2080.05    0.186   183.04
2081.05    0.189   183.84
2082.05    0.191   184.63
2083.05    0.194   185.39
2084.05    0.196   186.14
2085.05    0.198   186.87
2086.05    0.200   187.59
2087.05    0.201   188.29
2088.05    0.202   188.99
2089.05    0.203   189.68
2090.05    0.204   190.36
2091.05    0.204   191.04

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 14:57:09