Double Star Calculator - Orbit

Orbital Elements for STF1175
WDS: STF1175 WDS ID/Discoverer
P: 2929.333 Orbital period (years)
a: 7.98824 Semi-major axis (arcseconds)
i: 78.288 Inclination (degrees)
Ω: 164.495 Longitude of ascending node (degrees)
T: 2265.384 Epoch of periastron passage (year)
e: 0.74084 Eccentricity
ω: 220.04 Longitude of periastron (degrees)
Start-Year: 560.3336999999999 Year
End-Year: 3489.6663 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1175
Position: 080226.06+040907.5 Epoch-2000 right ascension and declination
WDS-ID: 08024+0409 WDS designation
Discoverer Code: STF1175 Discover designation and components
ADS number: 6532 Aitken Double Star catalog
HD number: 66177 HD catalog number
Hipparcos number: 39325 Hipparcos catalog number
V1: 7.89 Magnitude of the primary
V2: 9.13 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for STF1175



WDS 6th Orbit including measures of STF1175

-- 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 STF1175
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.473   291.43
--------------------------
560.33   11.492   172.12
570.33   11.475   172.20
580.33   11.456   172.28
590.33   11.437   172.37
600.33   11.416   172.45
610.33   11.395   172.53
620.33   11.373   172.61
630.33   11.349   172.69
640.33   11.325   172.78
650.33   11.299   172.86
660.33   11.273   172.95
670.33   11.245   173.03
680.33   11.217   173.11
690.33   11.187   173.20
700.33   11.157   173.29
710.33   11.126   173.37
720.33   11.094   173.46
730.33   11.060   173.55
740.33   11.026   173.63
750.33   10.991   173.72
760.33   10.955   173.81
770.33   10.918   173.90
780.33   10.880   173.99
790.33   10.842   174.08
800.33   10.802   174.17
810.33   10.761   174.26
820.33   10.720   174.36
830.33   10.677   174.45
840.33   10.634   174.54
850.33   10.590   174.64
860.33   10.545   174.73
870.33   10.499   174.83
880.33   10.452   174.93
890.33   10.404   175.03
900.33   10.355   175.13
910.33   10.306   175.23
920.33   10.255   175.33
930.33   10.204   175.43
940.33   10.152   175.53
950.33   10.099   175.64
960.33   10.045   175.74
970.33    9.990   175.85
980.33    9.934   175.96
990.33    9.878   176.07
1000.33    9.820   176.18
1010.33    9.762   176.29
1020.33    9.703   176.40
1030.33    9.643   176.51
1040.33    9.582   176.63
1050.33    9.521   176.75
1060.33    9.458   176.87
1070.33    9.395   176.99
1080.33    9.331   177.11
1090.33    9.266   177.23
1100.33    9.200   177.36
1110.33    9.133   177.48
1120.33    9.066   177.61
1130.33    8.998   177.75
1140.33    8.929   177.88
1150.33    8.859   178.01
1160.33    8.788   178.15
1170.33    8.716   178.29
1180.33    8.644   178.43
1190.33    8.571   178.58
1200.33    8.497   178.72
1210.33    8.422   178.87
1220.33    8.346   179.02
1230.33    8.270   179.18
1240.33    8.192   179.34
1250.33    8.114   179.50
1260.33    8.035   179.66
1270.33    7.956   179.83
1280.33    7.875   180.00
1290.33    7.794   180.17
1300.33    7.712   180.35
1310.33    7.629   180.53
1320.33    7.545   180.72
1330.33    7.461   180.91
1340.33    7.375   181.10
1350.33    7.289   181.30
1360.33    7.202   181.51
1370.33    7.115   181.72
1380.33    7.026   181.93
1390.33    6.937   182.15
1400.33    6.847   182.37
1410.33    6.757   182.61
1420.33    6.665   182.84
1430.33    6.573   183.09
1440.33    6.480   183.34
1450.33    6.386   183.60
1460.33    6.292   183.86
1470.33    6.197   184.14
1480.33    6.101   184.42
1490.33    6.004   184.71
1500.33    5.906   185.01
1510.33    5.808   185.32
1520.33    5.709   185.65
1530.33    5.610   185.98
1540.33    5.510   186.33
1550.33    5.409   186.69
1560.33    5.307   187.06
1570.33    5.205   187.44
1580.33    5.102   187.85
1590.33    4.998   188.27
1600.33    4.894   188.70
1610.33    4.789   189.16
1620.33    4.684   189.64
1630.33    4.578   190.14
1640.33    4.472   190.66
1650.33    4.365   191.21
1660.33    4.257   191.78
1670.33    4.149   192.39
1680.33    4.041   193.02
1690.33    3.932   193.70
1700.33    3.823   194.41
1710.33    3.714   195.16
1720.33    3.605   195.96
1730.33    3.495   196.81
1740.33    3.385   197.71
1750.33    3.275   198.68
1760.33    3.165   199.71
1770.33    3.056   200.81
1780.33    2.947   202.00
1790.33    2.838   203.28
1800.33    2.730   204.66
1810.33    2.623   206.15
1820.33    2.516   207.77
1830.33    2.411   209.54
1840.33    2.308   211.46
1850.33    2.206   213.56
1860.33    2.107   215.86
1870.33    2.011   218.38
1880.33    1.918   221.15
1890.33    1.829   224.20
1900.33    1.745   227.55
1910.33    1.667   231.23
1920.33    1.595   235.26
1930.33    1.531   239.64
1940.33    1.476   244.37
1950.33    1.431   249.44
1960.33    1.396   254.80
1970.33    1.373   260.39
1980.33    1.363   266.11
1990.33    1.365   271.86
2000.33    1.380   277.55
2010.33    1.407   283.06
2020.33    1.444   288.33
2030.33    1.492   293.30
2040.33    1.548   297.93
2050.33    1.612   302.22
2060.33    1.682   306.17
2070.33    1.756   309.79
2080.33    1.834   313.11
2090.33    1.914   316.16
2100.33    1.994   318.96
2110.33    2.075   321.54
2120.33    2.153   323.94
2130.33    2.229   326.16
2140.33    2.299   328.25
2150.33    2.364   330.21
2160.33    2.419   332.08
2170.33    2.464   333.88
2180.33    2.495   335.61
2190.33    2.508   337.32
2200.33    2.500   339.02
2210.33    2.467   340.75
2220.33    2.402   342.55
2230.33    2.300   344.49
2240.33    2.158   346.63
2250.33    1.970   349.14
2260.33    1.740   352.25
2270.33    1.470   356.41
2280.33    1.174     2.59
2290.33    0.872    13.06
2300.33    0.608    33.60
2310.33    0.494    71.86
2320.33    0.628   108.70
2330.33    0.903   127.87
2340.33    1.219   137.61
2350.33    1.545   143.28
2360.33    1.869   146.98
2370.33    2.186   149.60
2380.33    2.495   151.56
2390.33    2.794   153.09
2400.33    3.083   154.33
2410.33    3.362   155.36
2420.33    3.632   156.24
2430.33    3.893   157.00
2440.33    4.145   157.66
2450.33    4.388   158.25
2460.33    4.624   158.77
2470.33    4.852   159.25
2480.33    5.072   159.68
2490.33    5.286   160.08
2500.33    5.493   160.45
2510.33    5.693   160.79
2520.33    5.887   161.11
2530.33    6.076   161.41
2540.33    6.259   161.69
2550.33    6.436   161.96
2560.33    6.609   162.21
2570.33    6.776   162.45
2580.33    6.939   162.67
2590.33    7.097   162.89
2600.33    7.250   163.10
2610.33    7.399   163.30
2620.33    7.545   163.49
2630.33    7.686   163.67
2640.33    7.823   163.85
2650.33    7.957   164.02
2660.33    8.087   164.19
2670.33    8.213   164.35
2680.33    8.336   164.51
2690.33    8.456   164.66
2700.33    8.572   164.81
2710.33    8.685   164.95
2720.33    8.796   165.09
2730.33    8.903   165.23
2740.33    9.007   165.36
2750.33    9.109   165.49
2760.33    9.208   165.62
2770.33    9.304   165.74
2780.33    9.398   165.86
2790.33    9.489   165.98
2800.33    9.577   166.10
2810.33    9.663   166.22
2820.33    9.747   166.33
2830.33    9.828   166.44
2840.33    9.907   166.55
2850.33    9.984   166.66
2860.33   10.058   166.77
2870.33   10.131   166.87
2880.33   10.201   166.98
2890.33   10.269   167.08
2900.33   10.335   167.18
2910.33   10.399   167.28
2920.33   10.461   167.38
2930.33   10.522   167.47
2940.33   10.580   167.57
2950.33   10.636   167.66
2960.33   10.691   167.76
2970.33   10.744   167.85
2980.33   10.795   167.94
2990.33   10.844   168.03
3000.33   10.891   168.13
3010.33   10.937   168.22
3020.33   10.981   168.30
3030.33   11.024   168.39
3040.33   11.065   168.48
3050.33   11.104   168.57
3060.33   11.142   168.65
3070.33   11.178   168.74
3080.33   11.212   168.82
3090.33   11.245   168.91
3100.33   11.277   168.99
3110.33   11.307   169.08
3120.33   11.335   169.16
3130.33   11.363   169.24
3140.33   11.388   169.33
3150.33   11.413   169.41
3160.33   11.435   169.49
3170.33   11.457   169.57
3180.33   11.477   169.65
3190.33   11.496   169.73
3200.33   11.513   169.82
3210.33   11.529   169.90
3220.33   11.544   169.98
3230.33   11.558   170.06
3240.33   11.570   170.14
3250.33   11.581   170.22
3260.33   11.591   170.30
3270.33   11.599   170.38
3280.33   11.606   170.46
3290.33   11.612   170.53
3300.33   11.617   170.61
3310.33   11.621   170.69
3320.33   11.623   170.77
3330.33   11.624   170.85
3340.33   11.624   170.93
3350.33   11.623   171.01
3360.33   11.621   171.09
3370.33   11.618   171.17
3380.33   11.613   171.25
3390.33   11.607   171.33
3400.33   11.601   171.41
3410.33   11.593   171.49
3420.33   11.584   171.56
3430.33   11.574   171.64
3440.33   11.563   171.72
3450.33   11.550   171.80
3460.33   11.537   171.88
3470.33   11.523   171.97
3480.33   11.508   172.05






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 16:03:49



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