Double Star Calculator - Orbit

Orbital Elements for COU1241

WDS:	COU1241	WDS ID/Discoverer
P:	26.300	Orbital period (years)
a:	0.181	Semi-major axis (arcseconds)
i:	120.2	Inclination (degrees)
Ω:	89.7	Longitude of ascending node (degrees)
T:	1993.100	Epoch of periastron passage (year)
e:	0.563	Eccentricity
ω:	263.9	Longitude of periastron (degrees)
Start-Year:	2011.85	Year
End-Year:	2038.15	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1241
Position:	065947.73+314053.7	Epoch-2000 right ascension and declination
WDS-ID:	06598+3141	WDS designation
Discoverer Code:	COU1241	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	267337	HD catalog number
Hipparcos number:	33678	Hipparcos catalog number
V1:	9.8	Magnitude of the primary
V2:	9.8	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1991	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:	Mnt1999b	Reference

Double Star Orbit for COU1241

WDS 6th Orbit including measures of COU1241

-- 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 COU1241

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.173    56.49
--------------------------
2011.85    0.147   320.27
2011.95    0.147   319.41
2012.05    0.148   318.55
2012.15    0.148   317.70
2012.25    0.148   316.85
2012.35    0.149   316.01
2012.45    0.149   315.16
2012.55    0.149   314.33
2012.65    0.150   313.49
2012.75    0.150   312.66
2012.85    0.150   311.83
2012.95    0.150   311.00
2013.05    0.151   310.18
2013.15    0.151   309.36
2013.25    0.151   308.54
2013.35    0.151   307.72
2013.45    0.151   306.91
2013.55    0.152   306.10
2013.65    0.152   305.29
2013.75    0.152   304.48
2013.85    0.152   303.67
2013.95    0.152   302.86
2014.05    0.152   302.05
2014.15    0.152   301.24
2014.25    0.152   300.44
2014.35    0.152   299.63
2014.45    0.152   298.82
2014.55    0.152   298.01
2014.65    0.152   297.20
2014.75    0.151   296.39
2014.85    0.151   295.57
2014.95    0.151   294.76
2015.05    0.151   293.94
2015.15    0.150   293.11
2015.25    0.150   292.28
2015.35    0.149   291.45
2015.45    0.149   290.61
2015.55    0.148   289.76
2015.65    0.147   288.90
2015.75    0.147   288.04
2015.85    0.146   287.17
2015.95    0.145   286.29
2016.05    0.144   285.39
2016.15    0.143   284.48
2016.25    0.142   283.56
2016.35    0.140   282.62
2016.45    0.139   281.67
2016.55    0.138   280.69
2016.65    0.136   279.70
2016.75    0.134   278.68
2016.85    0.132   277.63
2016.95    0.130   276.55
2017.05    0.128   275.44
2017.15    0.126   274.29
2017.25    0.124   273.09
2017.35    0.121   271.85
2017.45    0.118   270.55
2017.55    0.116   269.19
2017.65    0.112   267.76
2017.75    0.109   266.24
2017.85    0.106   264.62
2017.95    0.102   262.90
2018.05    0.098   261.03
2018.15    0.094   259.01
2018.25    0.090   256.81
2018.35    0.085   254.37
2018.45    0.081   251.66
2018.55    0.076   248.60
2018.65    0.071   245.13
2018.75    0.066   241.12
2018.85    0.061   236.46
2018.95    0.056   230.97
2019.05    0.051   224.47
2019.15    0.047   216.75
2019.25    0.044   207.68
2019.35    0.041   197.29
2019.45    0.040   185.92
2019.55    0.040   174.23
2019.65    0.042   162.98
2019.75    0.044   152.80
2019.85    0.048   143.96
2019.95    0.052   136.47
2020.05    0.057   130.17
2020.15    0.062   124.86
2020.25    0.067   120.36
2020.35    0.072   116.51
2020.45    0.077   113.16
2020.55    0.082   110.23
2020.65    0.087   107.64
2020.75    0.092   105.32
2020.85    0.097   103.22
2020.95    0.101   101.31
2021.05    0.105    99.56
2021.15    0.109    97.94
2021.25    0.113    96.44
2021.35    0.117    95.03
2021.45    0.121    93.71
2021.55    0.124    92.46
2021.65    0.127    91.28
2021.75    0.130    90.16
2021.85    0.133    89.08
2021.95    0.136    88.05
2022.05    0.139    87.06
2022.15    0.141    86.11
2022.25    0.143    85.19
2022.35    0.146    84.30
2022.45    0.148    83.43
2022.55    0.150    82.59
2022.65    0.152    81.77
2022.75    0.154    80.97
2022.85    0.155    80.18
2022.95    0.157    79.42
2023.05    0.158    78.67
2023.15    0.160    77.93
2023.25    0.161    77.21
2023.35    0.162    76.49
2023.45    0.163    75.79
2023.55    0.165    75.10
2023.65    0.166    74.41
2023.75    0.167    73.74
2023.85    0.167    73.07
2023.95    0.168    72.41
2024.05    0.169    71.75
2024.15    0.170    71.10
2024.25    0.170    70.45
2024.35    0.171    69.81
2024.45    0.171    69.18
2024.55    0.172    68.54
2024.65    0.172    67.92
2024.75    0.173    67.29
2024.85    0.173    66.67
2024.95    0.173    66.04
2025.05    0.174    65.42
2025.15    0.174    64.81
2025.25    0.174    64.19
2025.35    0.174    63.57
2025.45    0.174    62.96
2025.55    0.174    62.34
2025.65    0.174    61.73
2025.75    0.174    61.12
2025.85    0.174    60.50
2025.95    0.174    59.89
2026.05    0.174    59.27
2026.15    0.174    58.66
2026.25    0.174    58.04
2026.35    0.174    57.42
2026.45    0.173    56.80
2026.55    0.173    56.18
2026.65    0.173    55.56
2026.75    0.173    54.93
2026.85    0.172    54.31
2026.95    0.172    53.68
2027.05    0.172    53.05
2027.15    0.171    52.41
2027.25    0.171    51.78
2027.35    0.171    51.14
2027.45    0.170    50.49
2027.55    0.170    49.85
2027.65    0.169    49.20
2027.75    0.169    48.55
2027.85    0.168    47.89
2027.95    0.168    47.23
2028.05    0.167    46.57
2028.15    0.167    45.91
2028.25    0.167    45.23
2028.35    0.166    44.56
2028.45    0.165    43.88
2028.55    0.165    43.20
2028.65    0.164    42.51
2028.75    0.164    41.82
2028.85    0.163    41.12
2028.95    0.163    40.42
2029.05    0.162    39.72
2029.15    0.162    39.01
2029.25    0.161    38.29
2029.35    0.161    37.57
2029.45    0.160    36.84
2029.55    0.159    36.11
2029.65    0.159    35.38
2029.75    0.158    34.64
2029.85    0.158    33.89
2029.95    0.157    33.14
2030.05    0.157    32.38
2030.15    0.156    31.62
2030.25    0.156    30.85
2030.35    0.155    30.08
2030.45    0.154    29.30
2030.55    0.154    28.51
2030.65    0.153    27.72
2030.75    0.153    26.93
2030.85    0.152    26.13
2030.95    0.152    25.32
2031.05    0.151    24.51
2031.15    0.151    23.69
2031.25    0.150    22.87
2031.35    0.150    22.04
2031.45    0.149    21.21
2031.55    0.149    20.37
2031.65    0.148    19.52
2031.75    0.148    18.67
2031.85    0.147    17.82
2031.95    0.147    16.96
2032.05    0.147    16.09
2032.15    0.146    15.22
2032.25    0.146    14.35
2032.35    0.145    13.47
2032.45    0.145    12.58
2032.55    0.145    11.69
2032.65    0.144    10.80
2032.75    0.144     9.90
2032.85    0.144     9.00
2032.95    0.143     8.10
2033.05    0.143     7.19
2033.15    0.143     6.28
2033.25    0.143     5.36
2033.35    0.142     4.44
2033.45    0.142     3.52
2033.55    0.142     2.59
2033.65    0.142     1.67
2033.75    0.141     0.73
2033.85    0.141   359.80
2033.95    0.141   358.87
2034.05    0.141   357.93
2034.15    0.141   356.99
2034.25    0.141   356.05
2034.35    0.141   355.11
2034.45    0.141   354.17
2034.55    0.141   353.23
2034.65    0.141   352.28
2034.75    0.141   351.34
2034.85    0.141   350.39
2034.95    0.141   349.45
2035.05    0.141   348.50
2035.15    0.141   347.56
2035.25    0.141   346.62
2035.35    0.141   345.68
2035.45    0.141   344.73
2035.55    0.141   343.79
2035.65    0.141   342.86
2035.75    0.141   341.92
2035.85    0.141   340.98
2035.95    0.141   340.05
2036.05    0.142   339.12
2036.15    0.142   338.19
2036.25    0.142   337.26
2036.35    0.142   336.34
2036.45    0.142   335.42
2036.55    0.143   334.50
2036.65    0.143   333.59
2036.75    0.143   332.67
2036.85    0.143   331.76
2036.95    0.144   330.86
2037.05    0.144   329.96
2037.15    0.144   329.06
2037.25    0.144   328.16
2037.35    0.145   327.27
2037.45    0.145   326.38
2037.55    0.145   325.50
2037.65    0.146   324.62
2037.75    0.146   323.74
2037.85    0.146   322.86
2037.95    0.147   321.99
2038.05    0.147   321.13
2038.15    0.147   320.27

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 15:53:25