Double Star Calculator - Orbit

Orbital Elements for A1078

WDS:	A1078	WDS ID/Discoverer
P:	1304.000	Orbital period (years)
a:	3.099	Semi-major axis (arcseconds)
i:	66.8	Inclination (degrees)
Ω:	139.7	Longitude of ascending node (degrees)
T:	1999.610	Epoch of periastron passage (year)
e:	0.968	Eccentricity
ω:	256.2	Longitude of periastron (degrees)
Start-Year:	1373.0	Year
End-Year:	2677.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1078
Position:	084534.82+844135.8	Epoch-2000 right ascension and declination
WDS-ID:	08456+8442	WDS designation
Discoverer Code:	A1078	Discover designation and components
ADS number:	6902	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	42982	Hipparcos catalog number
V1:	9.92	Magnitude of the primary
V2:	9.97	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2001	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:	Lin2010c	Reference

Double Star Orbit for A1078

WDS 6th Orbit including measures of A1078

-- 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 A1078

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.877   161.51
--------------------------
1373.00    2.726   198.64
1383.00    2.716   199.00
1393.00    2.705   199.35
1403.00    2.693   199.71
1413.00    2.680   200.08
1423.00    2.667   200.44
1433.00    2.652   200.82
1443.00    2.638   201.19
1453.00    2.622   201.57
1463.00    2.606   201.95
1473.00    2.589   202.34
1483.00    2.571   202.73
1493.00    2.553   203.13
1503.00    2.533   203.54
1513.00    2.513   203.95
1523.00    2.493   204.37
1533.00    2.471   204.79
1543.00    2.449   205.23
1553.00    2.426   205.67
1563.00    2.403   206.12
1573.00    2.378   206.58
1583.00    2.353   207.05
1593.00    2.327   207.52
1603.00    2.300   208.01
1613.00    2.273   208.51
1623.00    2.245   209.03
1633.00    2.216   209.56
1643.00    2.186   210.10
1653.00    2.155   210.65
1663.00    2.123   211.23
1673.00    2.091   211.82
1683.00    2.058   212.43
1693.00    2.023   213.06
1703.00    1.988   213.71
1713.00    1.952   214.38
1723.00    1.915   215.08
1733.00    1.877   215.81
1743.00    1.839   216.57
1753.00    1.799   217.36
1763.00    1.758   218.19
1773.00    1.716   219.06
1783.00    1.673   219.97
1793.00    1.629   220.94
1803.00    1.583   221.95
1813.00    1.537   223.03
1823.00    1.489   224.17
1833.00    1.440   225.40
1843.00    1.390   226.71
1853.00    1.338   228.12
1863.00    1.285   229.64
1873.00    1.230   231.30
1883.00    1.173   233.12
1893.00    1.115   235.12
1903.00    1.055   237.35
1913.00    0.992   239.85
1923.00    0.928   242.70
1933.00    0.860   245.98
1943.00    0.790   249.83
1953.00    0.716   254.47
1963.00    0.637   260.21
1973.00    0.551   267.66
1983.00    0.451   278.15
1993.00    0.312   296.14
2003.00    0.261   140.22
2013.00    0.607   155.03
2023.00    0.817   160.23
2033.00    0.979   163.49
2043.00    1.115   165.88
2053.00    1.233   167.79
2063.00    1.338   169.37
2073.00    1.434   170.74
2083.00    1.521   171.94
2093.00    1.601   173.02
2103.00    1.676   173.99
2113.00    1.746   174.89
2123.00    1.811   175.72
2133.00    1.872   176.49
2143.00    1.930   177.21
2153.00    1.984   177.90
2163.00    2.035   178.55
2173.00    2.084   179.17
2183.00    2.130   179.76
2193.00    2.174   180.32
2203.00    2.215   180.87
2213.00    2.255   181.39
2223.00    2.292   181.90
2233.00    2.328   182.39
2243.00    2.362   182.86
2253.00    2.394   183.33
2263.00    2.424   183.78
2273.00    2.453   184.22
2283.00    2.481   184.65
2293.00    2.507   185.07
2303.00    2.531   185.49
2313.00    2.554   185.89
2323.00    2.576   186.29
2333.00    2.597   186.68
2343.00    2.617   187.07
2353.00    2.635   187.45
2363.00    2.652   187.82
2373.00    2.669   188.19
2383.00    2.684   188.56
2393.00    2.698   188.92
2403.00    2.711   189.28
2413.00    2.723   189.63
2423.00    2.734   189.99
2433.00    2.744   190.34
2443.00    2.753   190.68
2453.00    2.761   191.03
2463.00    2.768   191.37
2473.00    2.774   191.71
2483.00    2.780   192.05
2493.00    2.785   192.39
2503.00    2.788   192.73
2513.00    2.791   193.06
2523.00    2.793   193.40
2533.00    2.794   193.74
2543.00    2.795   194.07
2553.00    2.795   194.41
2563.00    2.793   194.74
2573.00    2.791   195.08
2583.00    2.789   195.42
2593.00    2.785   195.75
2603.00    2.781   196.09
2613.00    2.776   196.43
2623.00    2.770   196.77
2633.00    2.764   197.11
2643.00    2.756   197.46
2653.00    2.748   197.80
2663.00    2.740   198.15
2673.00    2.730   198.50

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 16:10:39