Double Star Calculator - Orbit

Orbital Elements for COU1511

WDS:	COU1511	WDS ID/Discoverer
P:	22.180	Orbital period (years)
a:	0.124	Semi-major axis (arcseconds)
i:	147.0	Inclination (degrees)
Ω:	217.2	Longitude of ascending node (degrees)
T:	1988.640	Epoch of periastron passage (year)
e:	0.474	Eccentricity
ω:	287.0	Longitude of periastron (degrees)
Start-Year:	2013.91	Year
End-Year:	2036.09	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1511
Position:	024128.89+405250.8	Epoch-2000 right ascension and declination
WDS-ID:	02415+4053	WDS designation
Discoverer Code:	COU1511	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	16656	HD catalog number
Hipparcos number:	12552	Hipparcos catalog number
V1:	8.7	Magnitude of the primary
V2:	8.7	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1996	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:	Hrt2001b	Reference

Double Star Orbit for COU1511

WDS 6th Orbit including measures of COU1511

Error: Connection error while accessing WDS 6th Orbit image.

Ephemeris of COU1511

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.149    72.27
--------------------------
2013.91    0.105   188.85
2014.01    0.107   187.21
2014.11    0.108   185.61
2014.21    0.109   184.04
2014.31    0.110   182.51
2014.41    0.111   181.00
2014.51    0.112   179.53
2014.61    0.113   178.09
2014.71    0.115   176.67
2014.81    0.116   175.27
2014.91    0.117   173.91
2015.01    0.118   172.56
2015.11    0.118   171.24
2015.21    0.119   169.94
2015.31    0.120   168.65
2015.41    0.121   167.39
2015.51    0.122   166.15
2015.61    0.123   164.92
2015.71    0.124   163.71
2015.81    0.125   162.52
2015.91    0.126   161.34
2016.01    0.126   160.18
2016.11    0.127   159.03
2016.21    0.128   157.90
2016.31    0.129   156.78
2016.41    0.129   155.68
2016.51    0.130   154.58
2016.61    0.131   153.50
2016.71    0.132   152.43
2016.81    0.132   151.38
2016.91    0.133   150.33
2017.01    0.134   149.30
2017.11    0.135   148.27
2017.21    0.135   147.26
2017.31    0.136   146.26
2017.41    0.136   145.26
2017.51    0.137   144.28
2017.61    0.138   143.30
2017.71    0.138   142.34
2017.81    0.139   141.38
2017.91    0.140   140.43
2018.01    0.140   139.49
2018.11    0.141   138.55
2018.21    0.141   137.63
2018.31    0.142   136.71
2018.41    0.142   135.80
2018.51    0.143   134.89
2018.61    0.144   134.00
2018.71    0.144   133.10
2018.81    0.145   132.22
2018.91    0.145   131.34
2019.01    0.146   130.47
2019.11    0.146   129.61
2019.21    0.147   128.75
2019.31    0.147   127.89
2019.41    0.148   127.04
2019.51    0.148   126.20
2019.61    0.148   125.36
2019.71    0.149   124.53
2019.81    0.149   123.70
2019.91    0.150   122.87
2020.01    0.150   122.05
2020.11    0.151   121.24
2020.21    0.151   120.43
2020.31    0.151   119.62
2020.41    0.152   118.82
2020.51    0.152   118.02
2020.61    0.152   117.22
2020.71    0.153   116.43
2020.81    0.153   115.65
2020.91    0.153   114.86
2021.01    0.154   114.08
2021.11    0.154   113.30
2021.21    0.154   112.53
2021.31    0.155   111.75
2021.41    0.155   110.98
2021.51    0.155   110.22
2021.61    0.155   109.45
2021.71    0.156   108.69
2021.81    0.156   107.93
2021.91    0.156   107.17
2022.01    0.156   106.42
2022.11    0.156   105.66
2022.21    0.157   104.91
2022.31    0.157   104.16
2022.41    0.157   103.41
2022.51    0.157   102.66
2022.61    0.157   101.91
2022.71    0.157   101.17
2022.81    0.157   100.42
2022.91    0.157    99.68
2023.01    0.158    98.94
2023.11    0.158    98.19
2023.21    0.158    97.45
2023.31    0.158    96.71
2023.41    0.158    95.97
2023.51    0.158    95.23
2023.61    0.158    94.48
2023.71    0.158    93.74
2023.81    0.158    93.00
2023.91    0.157    92.26
2024.01    0.157    91.51
2024.11    0.157    90.77
2024.21    0.157    90.03
2024.31    0.157    89.28
2024.41    0.157    88.53
2024.51    0.157    87.78
2024.61    0.157    87.03
2024.71    0.156    86.28
2024.81    0.156    85.52
2024.91    0.156    84.77
2025.01    0.156    84.01
2025.11    0.155    83.25
2025.21    0.155    82.48
2025.31    0.155    81.72
2025.41    0.154    80.94
2025.51    0.154    80.17
2025.61    0.154    79.39
2025.71    0.153    78.61
2025.81    0.153    77.83
2025.91    0.152    77.04
2026.01    0.152    76.24
2026.11    0.152    75.44
2026.21    0.151    74.64
2026.31    0.151    73.83
2026.41    0.150    73.01
2026.51    0.149    72.19
2026.61    0.149    71.36
2026.71    0.148    70.52
2026.81    0.147    69.68
2026.91    0.147    68.83
2027.01    0.146    67.97
2027.11    0.145    67.10
2027.21    0.145    66.22
2027.31    0.144    65.33
2027.41    0.143    64.44
2027.51    0.142    63.53
2027.61    0.141    62.61
2027.71    0.140    61.68
2027.81    0.139    60.74
2027.91    0.138    59.78
2028.01    0.137    58.81
2028.11    0.136    57.82
2028.21    0.135    56.82
2028.31    0.134    55.80
2028.41    0.133    54.77
2028.51    0.132    53.71
2028.61    0.130    52.64
2028.71    0.129    51.55
2028.81    0.128    50.43
2028.91    0.126    49.29
2029.01    0.125    48.12
2029.11    0.124    46.93
2029.21    0.122    45.71
2029.31    0.121    44.45
2029.41    0.119    43.17
2029.51    0.117    41.85
2029.61    0.116    40.49
2029.71    0.114    39.09
2029.81    0.112    37.65
2029.91    0.110    36.16
2030.01    0.108    34.62
2030.11    0.107    33.03
2030.21    0.105    31.37
2030.31    0.103    29.66
2030.41    0.101    27.87
2030.51    0.098    26.01
2030.61    0.096    24.06
2030.71    0.094    22.03
2030.81    0.092    19.89
2030.91    0.090    17.65
2031.01    0.087    15.29
2031.11    0.085    12.80
2031.21    0.083    10.17
2031.31    0.080     7.39
2031.41    0.078     4.43
2031.51    0.075     1.29
2031.61    0.073   357.95
2031.71    0.071   354.38
2031.81    0.069   350.58
2031.91    0.066   346.52
2032.01    0.064   342.20
2032.11    0.062   337.59
2032.21    0.061   332.71
2032.31    0.059   327.55
2032.41    0.058   322.13
2032.51    0.057   316.48
2032.61    0.056   310.64
2032.71    0.055   304.66
2032.81    0.055   298.61
2032.91    0.055   292.56
2033.01    0.056   286.58
2033.11    0.056   280.72
2033.21    0.057   275.04
2033.31    0.059   269.57
2033.41    0.060   264.35
2033.51    0.062   259.39
2033.61    0.063   254.69
2033.71    0.065   250.25
2033.81    0.067   246.05
2033.91    0.069   242.09
2034.01    0.071   238.34
2034.11    0.073   234.80
2034.21    0.075   231.44
2034.31    0.077   228.26
2034.41    0.079   225.23
2034.51    0.081   222.35
2034.61    0.083   219.60
2034.71    0.085   216.97
2034.81    0.086   214.45
2034.91    0.088   212.03
2035.01    0.090   209.70
2035.11    0.091   207.45
2035.21    0.093   205.29
2035.31    0.095   203.20
2035.41    0.096   201.17
2035.51    0.098   199.21
2035.61    0.099   197.30
2035.71    0.100   195.45
2035.81    0.102   193.65
2035.91    0.103   191.89
2036.01    0.104   190.18

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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 15:03:06