Double Star Calculator - Orbit

Orbital Elements for A1274

WDS:	A1274	WDS ID/Discoverer
P:	1282.730	Orbital period (years)
a:	0.825	Semi-major axis (arcseconds)
i:	66.9	Inclination (degrees)
Ω:	9.4	Longitude of ascending node (degrees)
T:	1697.160	Epoch of periastron passage (year)
e:	0.732	Eccentricity
ω:	116.2	Longitude of periastron (degrees)
Start-Year:	1383.635	Year
End-Year:	2666.365	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1274
Position:	021920.24+533820.8	Epoch-2000 right ascension and declination
WDS-ID:	02193+5338	WDS designation
Discoverer Code:	A1274	Discover designation and components
ADS number:	1769	Aitken Double Star catalog
HD number:	14174	HD catalog number
Hipparcos number:	10824	Hipparcos catalog number
V1:	9.34	Magnitude of the primary
V2:	11.02	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1991	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Mnt2005a	Reference

Double Star Orbit for A1274

WDS 6th Orbit including measures of A1274

-- 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 A1274

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.469   288.64
--------------------------
1383.63    0.934   351.33
1393.63    0.930   351.92
1403.63    0.924   352.51
1413.63    0.918   353.11
1423.63    0.911   353.73
1433.63    0.903   354.35
1443.63    0.895   354.98
1453.63    0.885   355.62
1463.63    0.874   356.28
1473.63    0.862   356.96
1483.63    0.849   357.66
1493.63    0.835   358.38
1503.63    0.820   359.12
1513.63    0.803   359.90
1523.63    0.784     0.71
1533.63    0.764     1.56
1543.63    0.742     2.46
1553.63    0.718     3.42
1563.63    0.691     4.45
1573.63    0.663     5.56
1583.63    0.632     6.78
1593.63    0.597     8.13
1603.63    0.559     9.66
1613.63    0.518    11.42
1623.63    0.472    13.51
1633.63    0.421    16.07
1643.63    0.364    19.40
1653.63    0.301    24.05
1663.63    0.231    31.36
1673.63    0.158    45.33
1683.63    0.098    79.69
1693.63    0.105   137.07
1703.63    0.167   166.74
1713.63    0.230   179.92
1723.63    0.279   187.80
1733.63    0.315   193.57
1743.63    0.341   198.30
1753.63    0.359   202.47
1763.63    0.371   206.30
1773.63    0.379   209.93
1783.63    0.384   213.43
1793.63    0.388   216.85
1803.63    0.390   220.23
1813.63    0.391   223.58
1823.63    0.391   226.93
1833.63    0.391   230.27
1843.63    0.390   233.62
1853.63    0.390   236.97
1863.63    0.390   240.32
1873.63    0.391   243.67
1883.63    0.392   247.00
1893.63    0.393   250.32
1903.63    0.395   253.60
1913.63    0.398   256.85
1923.63    0.401   260.06
1933.63    0.405   263.20
1943.63    0.409   266.29
1953.63    0.414   269.30
1963.63    0.420   272.23
1973.63    0.427   275.08
1983.63    0.433   277.84
1993.63    0.441   280.51
2003.63    0.449   283.09
2013.63    0.457   285.58
2023.63    0.466   287.97
2033.63    0.476   290.28
2043.63    0.485   292.49
2053.64    0.495   294.61
2063.64    0.505   296.65
2073.64    0.516   298.61
2083.64    0.527   300.49
2093.64    0.538   302.29
2103.64    0.549   304.02
2113.64    0.560   305.68
2123.64    0.571   307.28
2133.64    0.583   308.81
2143.64    0.594   310.29
2153.64    0.606   311.70
2163.64    0.618   313.07
2173.64    0.629   314.38
2183.64    0.641   315.65
2193.64    0.652   316.87
2203.64    0.664   318.05
2213.64    0.675   319.19
2223.64    0.686   320.29
2233.64    0.698   321.36
2243.64    0.709   322.39
2253.64    0.720   323.39
2263.64    0.731   324.36
2273.64    0.741   325.30
2283.64    0.752   326.22
2293.64    0.762   327.11
2303.64    0.773   327.98
2313.64    0.783   328.82
2323.64    0.793   329.64
2333.64    0.802   330.45
2343.64    0.812   331.23
2353.64    0.821   332.00
2363.64    0.830   332.75
2373.64    0.839   333.48
2383.64    0.847   334.20
2393.64    0.855   334.91
2403.64    0.863   335.60
2413.64    0.871   336.28
2423.64    0.878   336.94
2433.64    0.885   337.60
2443.64    0.892   338.25
2453.64    0.898   338.88
2463.64    0.904   339.51
2473.64    0.910   340.13
2483.64    0.916   340.75
2493.64    0.921   341.35
2503.64    0.925   341.95
2513.64    0.929   342.54
2523.64    0.933   343.13
2533.64    0.937   343.72
2543.64    0.940   344.30
2553.64    0.942   344.87
2563.64    0.944   345.45
2573.64    0.946   346.02
2583.64    0.947   346.59
2593.64    0.947   347.16
2603.64    0.947   347.73
2613.64    0.947   348.30
2623.64    0.946   348.87
2633.64    0.944   349.44
2643.64    0.942   350.01
2653.64    0.939   350.59
2663.64    0.935   351.17

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 14:59:15