Double Star Calculator - Orbit

Orbital Elements for AGC4
WDS: AGC4 WDS ID/Discoverer
P: 1137.488 Orbital period (years)
a: 3.45104 Semi-major axis (arcseconds)
i: 98.42 Inclination (degrees)
Ω: 66.554 Longitude of ascending node (degrees)
T: 1838.775 Epoch of periastron passage (year)
e: 0.87741 Eccentricity
ω: 112.884 Longitude of periastron (degrees)
Start-Year: 1456.2559999999999 Year
End-Year: 2593.744 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for AGC4
Position: 122645.88-001059.9 Epoch-2000 right ascension and declination
WDS-ID: 12268-0011 WDS designation
Discoverer Code: AGC4 Discover designation and components
ADS number: 8550 Aitken Double Star catalog
HD number: 108318 HD catalog number
Hipparcos number: 60726 Hipparcos catalog number
V1: 7.95 Magnitude of the primary
V2: 10.04 Magnitude of the secondary
Equinox: Equinox
Date: 1995 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: Izm2019 Reference

Double Star Orbit for AGC4



WDS 6th Orbit including measures of AGC4

-- 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 AGC4
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.649   145.64
--------------------------
1456.26    3.215    80.09
1466.26    3.229    79.83
1476.26    3.242    79.58
1486.26    3.253    79.33
1496.26    3.261    79.08
1506.26    3.268    78.83
1516.26    3.272    78.58
1526.26    3.275    78.34
1536.26    3.275    78.09
1546.26    3.272    77.84
1556.26    3.267    77.60
1566.26    3.260    77.35
1576.26    3.250    77.10
1586.26    3.236    76.84
1596.26    3.220    76.59
1606.26    3.201    76.33
1616.26    3.178    76.07
1626.26    3.151    75.81
1636.26    3.121    75.54
1646.26    3.087    75.27
1656.26    3.048    74.98
1666.26    3.004    74.69
1676.26    2.955    74.40
1686.26    2.901    74.09
1696.26    2.840    73.77
1706.26    2.773    73.43
1716.26    2.698    73.08
1726.26    2.614    72.70
1736.26    2.521    72.30
1746.26    2.416    71.87
1756.26    2.299    71.39
1766.26    2.166    70.86
1776.26    2.015    70.25
1786.26    1.839    69.54
1796.26    1.633    68.66
1806.26    1.383    67.50
1816.26    1.068    65.72
1826.26    0.642    61.97
1836.26    0.066   348.84
1846.26    0.559   247.33
1856.26    0.778   241.58
1866.26    0.854   237.67
1876.26    0.873   234.14
1886.26    0.864   230.65
1896.26    0.839   227.00
1906.26    0.807   223.10
1916.26    0.770   218.84
1926.26    0.732   214.13
1936.26    0.694   208.92
1946.26    0.660   203.14
1956.26    0.631   196.76
1966.26    0.607   189.84
1976.26    0.592   182.46
1986.26    0.585   174.79
1996.26    0.588   167.07
2006.26    0.599   159.53
2016.26    0.620   152.39
2026.26    0.649   145.80
2036.26    0.684   139.82
2046.26    0.725   134.47
2056.26    0.771   129.73
2066.26    0.820   125.53
2076.26    0.873   121.83
2086.26    0.927   118.56
2096.26    0.984   115.66
2106.26    1.042   113.07
2116.26    1.101   110.76
2126.26    1.160   108.69
2136.26    1.220   106.82
2146.26    1.280   105.12
2156.26    1.341   103.58
2166.26    1.401   102.17
2176.26    1.461   100.88
2186.26    1.521    99.68
2196.26    1.580    98.58
2206.26    1.639    97.56
2216.26    1.697    96.61
2226.26    1.755    95.72
2236.26    1.813    94.89
2246.26    1.869    94.10
2256.26    1.925    93.37
2266.26    1.980    92.67
2276.26    2.035    92.02
2286.26    2.089    91.39
2296.26    2.141    90.80
2306.26    2.193    90.24
2316.26    2.245    89.70
2326.26    2.295    89.19
2336.26    2.344    88.69
2346.26    2.393    88.22
2356.26    2.440    87.77
2366.26    2.486    87.33
2376.26    2.532    86.91
2386.26    2.576    86.51
2396.26    2.619    86.11
2406.26    2.662    85.73
2416.26    2.703    85.37
2426.26    2.743    85.01
2436.26    2.781    84.66
2446.26    2.819    84.32
2456.26    2.855    83.99
2466.26    2.890    83.67
2476.26    2.924    83.36
2486.26    2.957    83.05
2496.26    2.988    82.75
2506.26    3.018    82.46
2516.26    3.046    82.17
2526.26    3.073    81.89
2536.26    3.099    81.61
2546.26    3.123    81.34
2556.26    3.145    81.07
2566.26    3.166    80.80
2576.26    3.185    80.54
2586.26    3.203    80.28






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 16:46:12



www.stella-vega.de