Double Star Calculator - Orbit

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: 1495.3352 Year
End-Year: 2554.6648 Year
Epoch: 2026.5 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
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for A927



WDS 6th Orbit including measures of A927

-- 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 A927
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    2.259    12.28
--------------------------
1495.34    2.970   290.08
1505.34    2.971   291.54
1515.34    2.972   293.00
1525.34    2.973   294.46
1535.34    2.974   295.92
1545.34    2.975   297.37
1555.34    2.976   298.83
1565.34    2.977   300.29
1575.34    2.978   301.74
1585.34    2.980   303.19
1595.34    2.981   304.64
1605.34    2.983   306.09
1615.34    2.984   307.54
1625.34    2.986   308.99
1635.34    2.988   310.44
1645.34    2.989   311.88
1655.34    2.991   313.32
1665.34    2.993   314.76
1675.34    2.994   316.20
1685.34    2.996   317.64
1695.34    2.997   319.07
1705.34    2.998   320.51
1715.34    2.999   321.94
1725.34    3.000   323.38
1735.34    3.000   324.81
1745.34    3.000   326.24
1755.34    3.000   327.67
1765.34    2.999   329.11
1775.34    2.997   330.54
1785.34    2.995   331.98
1795.34    2.992   333.42
1805.34    2.988   334.86
1815.34    2.984   336.30
1825.34    2.978   337.76
1835.34    2.971   339.21
1845.34    2.963   340.68
1855.34    2.954   342.15
1865.34    2.943   343.63
1875.34    2.930   345.13
1885.34    2.915   346.64
1895.34    2.898   348.16
1905.34    2.878   349.71
1915.34    2.856   351.28
1925.34    2.831   352.87
1935.34    2.802   354.50
1945.34    2.769   356.16
1955.34    2.732   357.86
1965.34    2.689   359.62
1975.34    2.641     1.43
1985.34    2.586     3.32
1995.34    2.523     5.29
2005.34    2.451     7.38
2015.34    2.368     9.60
2025.34    2.271    11.99
2035.34    2.158    14.62
2045.34    2.024    17.57
2055.34    1.863    20.98
2065.34    1.665    25.12
2075.34    1.417    30.55
2085.34    1.098    38.74
2095.34    0.692    55.45
2105.34    0.355   115.57
2115.34    0.648   183.13
2125.34    1.059   201.66
2135.34    1.383   210.36
2145.34    1.632   216.04
2155.34    1.830   220.33
2165.34    1.990   223.87
2175.34    2.123   226.91
2185.34    2.234   229.63
2195.34    2.329   232.10
2205.34    2.410   234.40
2215.34    2.480   236.55
2225.34    2.541   238.60
2235.34    2.595   240.55
2245.34    2.641   242.43
2255.34    2.683   244.25
2265.34    2.719   246.02
2275.34    2.751   247.74
2285.34    2.779   249.43
2295.34    2.804   251.08
2305.34    2.825   252.71
2315.34    2.845   254.31
2325.34    2.862   255.90
2335.34    2.877   257.46
2345.34    2.890   259.02
2355.34    2.901   260.55
2365.34    2.911   262.08
2375.34    2.920   263.60
2385.34    2.927   265.10
2395.34    2.934   266.61
2405.34    2.939   268.10
2415.34    2.944   269.59
2425.34    2.948   271.08
2435.34    2.952   272.56
2445.34    2.955   274.03
2455.34    2.958   275.51
2465.34    2.960   276.98
2475.34    2.962   278.45
2485.34    2.963   279.92
2495.34    2.964   281.39
2505.34    2.966   282.86
2515.34    2.967   284.32
2525.34    2.968   285.79
2535.34    2.968   287.25
2545.34    2.969   288.71






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 14:46:27



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