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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:25:24

Orbital Elements for A927
WDS: A927 WDS ID/Discoverer
P: 1059.330 Orbital period (years)
a: 3.69479 Semi-major axis (arcseconds)
i: 63.199 Inclination (degrees)
Ω: 30.599 Longitude of ascending node (degrees)
T: 2105.950 Epoch of periastron passage (year)
e: 0.78748 Eccentricity
ω: 90.577 Longitude of periastron (degrees)
Start-Year: 1496.0 Year
End-Year: 2554.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A927
Position: 010146.46+463514.9 Epoch-2000 right ascension and declination
WDS-ID: 01017+4635 WDS designation
Discoverer Code: A927 Discover designation and components
ADS number: 845 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.51 Magnitude of the primary
V2: 10.32 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for A927



WDS 6th Orbit including measures of A927

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


Ephemeris of A927
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     2.275     11.9
-------------------------
1496.0     2.970    290.2
1506.0     2.971    291.6
1516.0     2.972    293.1
1526.0     2.973    294.6
1536.0     2.974    296.0
1546.0     2.975    297.5
1556.0     2.976    298.9
1566.0     2.977    300.4
1576.0     2.978    301.8
1586.0     2.980    303.3
1596.0     2.981    304.7
1606.0     2.983    306.2
1616.0     2.984    307.6
1626.0     2.986    309.1
1636.0     2.988    310.5
1646.0     2.989    312.0
1656.0     2.991    313.4
1666.0     2.993    314.9
1676.0     2.994    316.3
1686.0     2.996    317.7
1696.0     2.997    319.2
1706.0     2.998    320.6
1716.0     2.999    322.0
1726.0     3.000    323.5
1736.0     3.000    324.9
1746.0     3.000    326.3
1756.0     3.000    327.8
1766.0     2.999    329.2
1776.0     2.997    330.6
1786.0     2.995    332.1
1796.0     2.992    333.5
1806.0     2.988    335.0
1816.0     2.984    336.4
1826.0     2.978    337.9
1836.0     2.971    339.3
1846.0     2.963    340.8
1856.0     2.953    342.2
1866.0     2.942    343.7
1876.0     2.929    345.2
1886.0     2.914    346.7
1896.0     2.897    348.3
1906.0     2.877    349.8
1916.0     2.854    351.4
1926.0     2.829    353.0
1936.0     2.800    354.6
1946.0     2.767    356.3
1956.0     2.729    358.0
1966.0     2.686    359.7
1976.0     2.637      1.6
1986.0     2.582      3.4
1996.0     2.519      5.4
2006.0     2.446      7.5
2016.0     2.362      9.7
2026.0     2.264     12.2
2036.0     2.150     14.8
2046.0     2.014     17.8
2056.0     1.851     21.2
2066.0     1.650     25.4
2076.0     1.398     31.0
2086.0     1.074     39.5
2096.0     0.663     57.3
2106.0     0.354    122.4
2116.0     0.677    185.1
2126.0     1.083    202.4
2136.0     1.401    210.8
2146.0     1.647    216.4
2156.0     1.842    220.6
2166.0     2.000    224.1
2176.0     2.131    227.1
2186.0     2.241    229.8
2196.0     2.334    232.3
2206.0     2.415    234.5
2216.0     2.485    236.7
2226.0     2.545    238.7
2236.0     2.598    240.7
2246.0     2.644    242.6
2256.0     2.685    244.4
2266.0     2.721    246.1
2276.0     2.753    247.9
2286.0     2.781    249.5
2296.0     2.805    251.2
2306.0     2.827    252.8
2316.0     2.846    254.4
2326.0     2.863    256.0
2336.0     2.877    257.6
2346.0     2.890    259.1
2356.0     2.902    260.7
2366.0     2.912    262.2
2376.0     2.920    263.7
2386.0     2.928    265.2
2396.0     2.934    266.7
2406.0     2.940    268.2
2416.0     2.945    269.7
2426.0     2.949    271.2
2436.0     2.952    272.7
2446.0     2.955    274.1
2456.0     2.958    275.6
2466.0     2.960    277.1
2476.0     2.962    278.6
2486.0     2.963    280.0
2496.0     2.965    281.5
2506.0     2.966    283.0
2516.0     2.967    284.4
2526.0     2.968    285.9
2536.0     2.968    287.3
2546.0     2.969    288.8






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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