Double Star Calculator - Orbit

Orbital Elements for GAMUMA

WDS:	GAMUMA	WDS ID/Discoverer
P:	20.500	Orbital period (years)
a:	0.46	Semi-major axis (arcseconds)
i:	51.0	Inclination (degrees)
Ω:	6.0	Longitude of ascending node (degrees)
T:	1984.000	Epoch of periastron passage (year)
e:	0.3	Eccentricity
ω:	185.0	Longitude of periastron (degrees)
Start-Year:	2014.75	Year
End-Year:	2035.25	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for GAMUMA
Position:	115349.84+534141.1	Epoch-2000 right ascension and declination
WDS-ID:	11538+5342	WDS designation
Discoverer Code:	GAMUMA	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	103287	HD catalog number
Hipparcos number:	58001	Hipparcos catalog number
V1:	2.4	Magnitude of the primary
V2:	6. >	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:		Flags
Ephemerides:		Ephemerides
Code:	Gon2010	Reference

Double Star Orbit for GAMUMA

WDS 6th Orbit including measures of GAMUMA

-- 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 GAMUMA

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.273   226.39
--------------------------
2014.75    0.597     9.15
2014.85    0.596     9.78
2014.95    0.595    10.41
2015.05    0.594    11.04
2015.15    0.593    11.67
2015.25    0.592    12.31
2015.35    0.590    12.95
2015.45    0.588    13.59
2015.55    0.586    14.24
2015.65    0.584    14.89
2015.75    0.582    15.54
2015.85    0.580    16.20
2015.95    0.577    16.87
2016.05    0.574    17.54
2016.15    0.571    18.22
2016.25    0.568    18.91
2016.35    0.565    19.61
2016.45    0.561    20.31
2016.55    0.558    21.02
2016.65    0.554    21.74
2016.75    0.550    22.48
2016.85    0.546    23.22
2016.95    0.541    23.97
2017.05    0.537    24.74
2017.15    0.532    25.52
2017.25    0.528    26.32
2017.35    0.523    27.12
2017.45    0.518    27.95
2017.55    0.512    28.79
2017.65    0.507    29.65
2017.75    0.502    30.52
2017.85    0.496    31.42
2017.95    0.490    32.34
2018.05    0.484    33.28
2018.15    0.478    34.24
2018.25    0.472    35.23
2018.35    0.466    36.24
2018.45    0.459    37.29
2018.55    0.453    38.36
2018.65    0.446    39.46
2018.75    0.440    40.60
2018.85    0.433    41.77
2018.95    0.426    42.98
2019.05    0.419    44.22
2019.15    0.413    45.51
2019.25    0.406    46.85
2019.35    0.399    48.23
2019.45    0.392    49.66
2019.55    0.384    51.14
2019.65    0.377    52.67
2019.75    0.370    54.27
2019.85    0.363    55.93
2019.95    0.357    57.65
2020.05    0.350    59.44
2020.15    0.343    61.30
2020.25    0.336    63.23
2020.35    0.330    65.25
2020.45    0.323    67.34
2020.55    0.317    69.51
2020.65    0.311    71.78
2020.75    0.305    74.12
2020.85    0.300    76.56
2020.95    0.295    79.09
2021.05    0.290    81.70
2021.15    0.285    84.41
2021.25    0.281    87.20
2021.35    0.277    90.07
2021.45    0.273    93.01
2021.55    0.270    96.03
2021.65    0.268    99.11
2021.75    0.266   102.24
2021.85    0.264   105.42
2021.95    0.263   108.63
2022.05    0.263   111.86
2022.15    0.262   115.10
2022.25    0.263   118.33
2022.35    0.264   121.56
2022.45    0.265   124.75
2022.55    0.266   127.92
2022.65    0.268   131.04
2022.75    0.271   134.11
2022.85    0.273   137.12
2022.95    0.276   140.08
2023.05    0.279   142.97
2023.15    0.283   145.79
2023.25    0.286   148.54
2023.35    0.290   151.24
2023.45    0.293   153.86
2023.55    0.297   156.42
2023.65    0.300   158.93
2023.75    0.304   161.38
2023.85    0.307   163.77
2023.95    0.310   166.12
2024.05    0.312   168.42
2024.15    0.315   170.69
2024.25    0.317   172.92
2024.35    0.319   175.13
2024.45    0.320   177.31
2024.55    0.322   179.48
2024.65    0.322   181.63
2024.75    0.322   183.78
2024.85    0.322   185.92
2024.95    0.322   188.07
2025.05    0.321   190.23
2025.15    0.319   192.41
2025.25    0.317   194.61
2025.35    0.315   196.84
2025.45    0.313   199.10
2025.55    0.310   201.41
2025.65    0.306   203.76
2025.75    0.303   206.16
2025.85    0.299   208.62
2025.95    0.295   211.15
2026.05    0.291   213.74
2026.15    0.287   216.41
2026.25    0.283   219.15
2026.35    0.279   221.98
2026.45    0.275   224.90
2026.55    0.271   227.90
2026.65    0.267   230.98
2026.75    0.263   234.16
2026.85    0.260   237.41
2026.95    0.257   240.74
2027.05    0.255   244.15
2027.15    0.253   247.61
2027.25    0.251   251.12
2027.35    0.250   254.66
2027.45    0.250   258.23
2027.55    0.250   261.80
2027.65    0.251   265.35
2027.75    0.252   268.88
2027.85    0.254   272.36
2027.95    0.257   275.79
2028.05    0.260   279.14
2028.15    0.263   282.41
2028.25    0.267   285.58
2028.35    0.272   288.65
2028.45    0.277   291.62
2028.55    0.282   294.48
2028.65    0.288   297.24
2028.75    0.294   299.88
2028.85    0.300   302.41
2028.95    0.307   304.84
2029.05    0.313   307.16
2029.15    0.320   309.38
2029.25    0.327   311.51
2029.35    0.335   313.54
2029.45    0.342   315.49
2029.55    0.350   317.35
2029.65    0.357   319.14
2029.75    0.365   320.85
2029.85    0.372   322.50
2029.95    0.380   324.07
2030.05    0.387   325.59
2030.15    0.395   327.05
2030.25    0.403   328.45
2030.35    0.410   329.80
2030.45    0.417   331.10
2030.55    0.425   332.36
2030.65    0.432   333.58
2030.75    0.439   334.76
2030.85    0.446   335.90
2030.95    0.453   337.00
2031.05    0.460   338.07
2031.15    0.466   339.11
2031.25    0.473   340.12
2031.35    0.479   341.11
2031.45    0.486   342.07
2031.55    0.492   343.00
2031.65    0.498   343.91
2031.75    0.503   344.80
2031.85    0.509   345.67
2031.95    0.515   346.53
2032.05    0.520   347.36
2032.15    0.525   348.18
2032.25    0.530   348.98
2032.35    0.535   349.76
2032.45    0.540   350.54
2032.55    0.544   351.30
2032.65    0.548   352.05
2032.75    0.552   352.78
2032.85    0.556   353.51
2032.95    0.560   354.22
2033.05    0.564   354.93
2033.15    0.567   355.63
2033.25    0.571   356.32
2033.35    0.574   357.00
2033.45    0.576   357.67
2033.55    0.579   358.34
2033.65    0.582   359.00
2033.75    0.584   359.66
2033.85    0.586     0.31
2033.95    0.588     0.96
2034.05    0.590     1.60
2034.15    0.591     2.24
2034.25    0.593     2.88
2034.35    0.594     3.51
2034.45    0.595     4.14
2034.55    0.596     4.77
2034.65    0.597     5.40
2034.75    0.597     6.02
2034.85    0.597     6.65
2034.95    0.597     7.27
2035.05    0.597     7.90
2035.15    0.597     8.53

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 16:42:13