Double Star Calculator - Orbit

Orbital Elements for TUUMA

WDS:	TUUMA	WDS ID/Discoverer
P:	23.269	Orbital period (years)
a:	0.0178	Semi-major axis (arcseconds)
i:	160.0	Inclination (degrees)
Ω:	358.0	Longitude of ascending node (degrees)
T:	1987.897	Epoch of periastron passage (year)
e:	0.686	Eccentricity
ω:	184.0	Longitude of periastron (degrees)
Start-Year:	2013.365254578516	Year
End-Year:	2036.634745421484	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TUUMA
Position:	112948.48+300402.3	Epoch-2000 right ascension and declination
WDS-ID:	11295+3004	WDS designation
Discoverer Code:	TUUMA	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	56088	Hipparcos catalog number
V1:	9.26	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	9	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Krv2019a	Reference

Double Star Orbit for TUUMA

WDS 6th Orbit including measures of TUUMA

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Ephemeris of TUUMA

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.028   339.69
--------------------------
2013.37    0.013    54.51
2013.47    0.014    52.67
2013.57    0.014    50.93
2013.67    0.014    49.28
2013.77    0.015    47.72
2013.87    0.015    46.24
2013.97    0.016    44.83
2014.07    0.016    43.49
2014.17    0.016    42.21
2014.27    0.017    40.98
2014.37    0.017    39.80
2014.47    0.017    38.67
2014.57    0.018    37.58
2014.67    0.018    36.54
2014.77    0.018    35.53
2014.87    0.019    34.55
2014.97    0.019    33.61
2015.07    0.019    32.70
2015.17    0.020    31.81
2015.27    0.020    30.96
2015.37    0.020    30.13
2015.47    0.021    29.32
2015.57    0.021    28.53
2015.67    0.021    27.77
2015.77    0.021    27.02
2015.87    0.022    26.29
2015.97    0.022    25.58
2016.07    0.022    24.89
2016.17    0.022    24.21
2016.27    0.023    23.55
2016.37    0.023    22.90
2016.47    0.023    22.26
2016.57    0.023    21.64
2016.67    0.024    21.03
2016.77    0.024    20.43
2016.87    0.024    19.84
2016.97    0.024    19.27
2017.07    0.024    18.70
2017.17    0.025    18.14
2017.27    0.025    17.59
2017.37    0.025    17.05
2017.47    0.025    16.52
2017.57    0.025    16.00
2017.67    0.026    15.48
2017.77    0.026    14.97
2017.87    0.026    14.47
2017.97    0.026    13.97
2018.07    0.026    13.49
2018.17    0.026    13.00
2018.27    0.027    12.53
2018.37    0.027    12.05
2018.47    0.027    11.59
2018.57    0.027    11.13
2018.67    0.027    10.67
2018.77    0.027    10.22
2018.87    0.027     9.77
2018.97    0.028     9.33
2019.07    0.028     8.89
2019.17    0.028     8.46
2019.27    0.028     8.03
2019.37    0.028     7.60
2019.47    0.028     7.18
2019.57    0.028     6.76
2019.67    0.028     6.34
2019.77    0.029     5.93
2019.87    0.029     5.52
2019.97    0.029     5.11
2020.07    0.029     4.70
2020.17    0.029     4.30
2020.27    0.029     3.90
2020.37    0.029     3.50
2020.47    0.029     3.11
2020.57    0.029     2.71
2020.67    0.029     2.32
2020.77    0.029     1.93
2020.87    0.029     1.54
2020.97    0.029     1.16
2021.07    0.030     0.77
2021.17    0.030     0.39
2021.27    0.030     0.00
2021.37    0.030   359.62
2021.47    0.030   359.24
2021.57    0.030   358.87
2021.67    0.030   358.49
2021.77    0.030   358.11
2021.87    0.030   357.73
2021.97    0.030   357.36
2022.07    0.030   356.99
2022.17    0.030   356.61
2022.27    0.030   356.24
2022.37    0.030   355.86
2022.47    0.030   355.49
2022.57    0.030   355.12
2022.67    0.030   354.75
2022.77    0.030   354.37
2022.87    0.030   354.00
2022.97    0.030   353.63
2023.07    0.030   353.26
2023.17    0.030   352.88
2023.27    0.030   352.51
2023.37    0.030   352.14
2023.47    0.030   351.76
2023.57    0.030   351.39
2023.67    0.030   351.01
2023.77    0.030   350.64
2023.87    0.030   350.26
2023.97    0.030   349.88
2024.07    0.030   349.50
2024.17    0.030   349.12
2024.27    0.030   348.74
2024.37    0.030   348.36
2024.47    0.030   347.98
2024.57    0.029   347.59
2024.67    0.029   347.20
2024.77    0.029   346.81
2024.87    0.029   346.42
2024.97    0.029   346.03
2025.07    0.029   345.64
2025.17    0.029   345.24
2025.27    0.029   344.84
2025.37    0.029   344.44
2025.47    0.029   344.04
2025.57    0.029   343.63
2025.67    0.029   343.22
2025.77    0.028   342.81
2025.87    0.028   342.40
2025.97    0.028   341.98
2026.07    0.028   341.56
2026.17    0.028   341.13
2026.27    0.028   340.71
2026.37    0.028   340.28
2026.47    0.028   339.84
2026.57    0.028   339.40
2026.67    0.027   338.96
2026.77    0.027   338.51
2026.87    0.027   338.06
2026.97    0.027   337.60
2027.07    0.027   337.14
2027.17    0.027   336.67
2027.27    0.027   336.20
2027.37    0.026   335.72
2027.47    0.026   335.24
2027.57    0.026   334.75
2027.67    0.026   334.25
2027.77    0.026   333.75
2027.87    0.026   333.24
2027.97    0.025   332.72
2028.07    0.025   332.20
2028.17    0.025   331.67
2028.27    0.025   331.13
2028.37    0.025   330.58
2028.47    0.024   330.02
2028.57    0.024   329.45
2028.67    0.024   328.87
2028.77    0.024   328.28
2028.87    0.024   327.68
2028.97    0.023   327.07
2029.07    0.023   326.45
2029.17    0.023   325.82
2029.27    0.023   325.17
2029.37    0.022   324.51
2029.47    0.022   323.83
2029.57    0.022   323.14
2029.67    0.022   322.43
2029.77    0.021   321.70
2029.87    0.021   320.96
2029.97    0.021   320.19
2030.07    0.021   319.41
2030.17    0.020   318.60
2030.27    0.020   317.78
2030.37    0.020   316.92
2030.47    0.019   316.04
2030.57    0.019   315.14
2030.67    0.019   314.20
2030.77    0.018   313.23
2030.87    0.018   312.23
2030.97    0.018   311.20
2031.07    0.017   310.12
2031.17    0.017   309.00
2031.27    0.017   307.84
2031.37    0.016   306.63
2031.47    0.016   305.36
2031.57    0.016   304.04
2031.67    0.015   302.65
2031.77    0.015   301.20
2031.87    0.015   299.68
2031.97    0.014   298.07
2032.07    0.014   296.37
2032.17    0.013   294.57
2032.27    0.013   292.67
2032.37    0.013   290.64
2032.47    0.012   288.48
2032.57    0.012   286.17
2032.67    0.011   283.69
2032.77    0.011   281.01
2032.87    0.011   278.13
2032.97    0.010   275.00
2033.07    0.010   271.60
2033.17    0.009   267.88
2033.27    0.009   263.81
2033.37    0.008   259.34
2033.47    0.008   254.40
2033.57    0.008   248.94
2033.67    0.007   242.91
2033.77    0.007   236.23
2033.87    0.007   228.85
2033.97    0.006   220.75
2034.07    0.006   211.92
2034.17    0.006   202.41
2034.27    0.006   192.32
2034.37    0.006   181.81
2034.47    0.006   171.10
2034.57    0.006   160.42
2034.67    0.006   150.03
2034.77    0.006   140.11
2034.87    0.006   130.84
2034.97    0.006   122.29
2035.07    0.007   114.49
2035.17    0.007   107.43
2035.27    0.007   101.06
2035.37    0.008    95.32
2035.47    0.008    90.15
2035.57    0.009    85.48
2035.67    0.009    81.25
2035.77    0.010    77.40
2035.87    0.010    73.89
2035.97    0.010    70.67
2036.07    0.011    67.72
2036.17    0.011    64.99
2036.27    0.012    62.46
2036.37    0.012    60.11
2036.47    0.013    57.92
2036.57    0.013    55.86

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 16:38:57