Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:36:15

Orbital Elements for STF2934
WDS: STF2934 WDS ID/Discoverer
P: 1210.200 Orbital period (years)
a: 5.80451 Semi-major axis (arcseconds)
i: 98.325 Inclination (degrees)
Ω: 5.502 Longitude of ascending node (degrees)
T: 1800.279 Epoch of periastron passage (year)
e: 0.85683 Eccentricity
ω: 119.298 Longitude of periastron (degrees)
Start-Year: 1420.0 Year
End-Year: 2630.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF2934
Position: 224151.68+212553.0 Epoch-2000 right ascension and declination
WDS-ID: 22419+2126 WDS designation
Discoverer Code: STF2934 Discover designation and components
ADS number: 16185 Aitken Double Star catalog
HD number: 215013 HD catalog number
Hipparcos number: 112063 Hipparcos catalog number
V1: 8.64 Magnitude of the primary
V2: 9.55 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for STF2934



WDS 6th Orbit including measures of STF2934

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of STF2934
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.554     50.7
-------------------------
1420.0     6.367     15.3
1430.0     6.373     15.1
1440.0     6.375     14.9
1450.0     6.374     14.7
1460.0     6.369     14.6
1470.0     6.359     14.4
1480.0     6.346     14.2
1490.0     6.328     14.0
1500.0     6.306     13.8
1510.0     6.279     13.6
1520.0     6.247     13.4
1530.0     6.209     13.2
1540.0     6.167     13.1
1550.0     6.119     12.9
1560.0     6.065     12.7
1570.0     6.004     12.4
1580.0     5.937     12.2
1590.0     5.864     12.0
1600.0     5.782     11.8
1610.0     5.693     11.6
1620.0     5.595     11.3
1630.0     5.487     11.1
1640.0     5.370     10.8
1650.0     5.242     10.6
1660.0     5.102     10.3
1670.0     4.949     10.0
1680.0     4.781      9.7
1690.0     4.597      9.3
1700.0     4.394      9.0
1710.0     4.169      8.6
1720.0     3.920      8.1
1730.0     3.641      7.6
1740.0     3.326      7.0
1750.0     2.965      6.2
1760.0     2.545      5.2
1770.0     2.044      3.8
1780.0     1.423      1.3
1790.0     0.625    353.1
1800.0     0.395    201.2
1810.0     1.083    185.6
1820.0     1.357    180.7
1830.0     1.439    176.9
1840.0     1.434    173.3
1850.0     1.387    169.5
1860.0     1.317    165.4
1870.0     1.235    160.9
1880.0     1.150    155.6
1890.0     1.068    149.5
1900.0     0.992    142.4
1910.0     0.930    134.3
1920.0     0.884    125.1
1930.0     0.860    115.3
1940.0     0.860    105.1
1950.0     0.885     95.2
1960.0     0.932     86.1
1970.0     0.998     78.1
1980.0     1.079     71.1
1990.0     1.172     65.2
2000.0     1.274     60.2
2010.0     1.383     55.9
2020.0     1.496     52.3
2030.0     1.612     49.2
2040.0     1.731     46.5
2050.0     1.852     44.2
2060.0     1.973     42.1
2070.0     2.094     40.3
2080.0     2.216     38.7
2090.0     2.337     37.3
2100.0     2.458     35.9
2110.0     2.578     34.8
2120.0     2.697     33.7
2130.0     2.815     32.7
2140.0     2.933     31.8
2150.0     3.048     31.0
2160.0     3.163     30.2
2170.0     3.276     29.5
2180.0     3.388     28.8
2190.0     3.498     28.2
2200.0     3.607     27.6
2210.0     3.714     27.0
2220.0     3.820     26.5
2230.0     3.924     26.0
2240.0     4.026     25.5
2250.0     4.127     25.1
2260.0     4.225     24.6
2270.0     4.322     24.2
2280.0     4.418     23.8
2290.0     4.511     23.5
2300.0     4.602     23.1
2310.0     4.692     22.7
2320.0     4.780     22.4
2330.0     4.866     22.1
2340.0     4.949     21.8
2350.0     5.031     21.5
2360.0     5.111     21.2
2370.0     5.189     20.9
2380.0     5.264     20.6
2390.0     5.338     20.4
2400.0     5.409     20.1
2410.0     5.479     19.9
2420.0     5.546     19.6
2430.0     5.611     19.4
2440.0     5.673     19.1
2450.0     5.733     18.9
2460.0     5.791     18.7
2470.0     5.847     18.5
2480.0     5.900     18.2
2490.0     5.950     18.0
2500.0     5.998     17.8
2510.0     6.044     17.6
2520.0     6.087     17.4
2530.0     6.127     17.2
2540.0     6.164     17.0
2550.0     6.199     16.8
2560.0     6.231     16.6
2570.0     6.260     16.4
2580.0     6.286     16.2
2590.0     6.308     16.0
2600.0     6.328     15.9
2610.0     6.344     15.7
2620.0     6.357     15.5






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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