Double Star Calculator - Orbit

Orbital Elements for STN22
WDS: STN22 WDS ID/Discoverer
P: 1028.091 Orbital period (years)
a: 6.53275 Semi-major axis (arcseconds)
i: 49.315 Inclination (degrees)
Ω: 141.264 Longitude of ascending node (degrees)
T: 2072.548 Epoch of periastron passage (year)
e: 0.34836 Eccentricity
ω: 267.212 Longitude of periastron (degrees)
Start-Year: 1510.9542999999999 Year
End-Year: 2539.0457 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STN22
Position: 112126.67-202713.6 Epoch-2000 right ascension and declination
WDS-ID: 11214-2027 WDS designation
Discoverer Code: STN22 Discover designation and components
ADS number: 8138 Aitken Double Star catalog
HD number: 98712 HD catalog number
Hipparcos number: 55454 Hipparcos catalog number
V1: 8.88 Magnitude of the primary
V2: 11.27 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 STN22



WDS 6th Orbit including measures of STN22

-- 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 STN22
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    3.556     1.84
--------------------------
1510.95    5.857   214.07
1520.95    5.827   216.74
1530.95    5.801   219.44
1540.95    5.779   222.17
1550.95    5.762   224.91
1560.95    5.749   227.67
1570.95    5.740   230.44
1580.95    5.736   233.21
1590.95    5.737   235.99
1600.95    5.743   238.76
1610.95    5.753   241.52
1620.95    5.767   244.27
1630.95    5.786   247.01
1640.95    5.809   249.73
1650.95    5.835   252.42
1660.95    5.864   255.09
1670.95    5.896   257.73
1680.95    5.931   260.34
1690.95    5.968   262.92
1700.95    6.006   265.47
1710.95    6.045   267.99
1720.95    6.084   270.47
1730.95    6.124   272.92
1740.95    6.162   275.34
1750.95    6.198   277.73
1760.95    6.233   280.09
1770.95    6.265   282.43
1780.95    6.292   284.75
1790.95    6.316   287.05
1800.95    6.334   289.33
1810.95    6.346   291.60
1820.95    6.352   293.87
1830.95    6.349   296.13
1840.95    6.338   298.40
1850.95    6.317   300.68
1860.95    6.286   302.98
1870.95    6.243   305.30
1880.95    6.187   307.67
1890.95    6.118   310.08
1900.95    6.034   312.55
1910.95    5.934   315.10
1920.95    5.817   317.74
1930.95    5.683   320.50
1940.95    5.531   323.41
1950.95    5.359   326.49
1960.95    5.169   329.78
1970.95    4.959   333.34
1980.95    4.732   337.23
1990.95    4.488   341.53
2000.95    4.232   346.33
2010.95    3.967   351.77
2020.95    3.701   357.99
2030.95    3.443     5.16
2040.95    3.207    13.45
2050.95    3.007    22.94
2060.95    2.861    33.60
2070.95    2.785    45.11
2080.95    2.788    56.93
2090.95    2.870    68.40
2100.95    3.021    78.97
2110.95    3.226    88.37
2120.95    3.467    96.54
2130.95    3.729   103.61
2140.95    4.000   109.74
2150.95    4.270   115.08
2160.95    4.533   119.80
2170.95    4.783   124.01
2180.95    5.019   127.81
2190.95    5.237   131.28
2200.95    5.438   134.49
2210.95    5.620   137.47
2220.95    5.784   140.28
2230.95    5.930   142.94
2240.95    6.058   145.48
2250.95    6.170   147.93
2260.95    6.266   150.29
2270.95    6.347   152.58
2280.95    6.414   154.82
2290.95    6.468   157.02
2300.95    6.510   159.19
2310.95    6.540   161.34
2320.95    6.560   163.46
2330.95    6.571   165.58
2340.95    6.572   167.70
2350.95    6.566   169.81
2360.95    6.553   171.93
2370.95    6.533   174.07
2380.95    6.508   176.21
2390.95    6.477   178.38
2400.95    6.443   180.57
2410.95    6.404   182.78
2420.95    6.363   185.02
2430.95    6.320   187.29
2440.95    6.275   189.60
2450.95    6.228   191.93
2460.95    6.181   194.30
2470.95    6.135   196.71
2480.95    6.089   199.16
2490.95    6.043   201.64
2500.95    6.000   204.16
2510.95    5.959   206.71
2520.95    5.920   209.30
2530.95    5.884   211.92






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 16:37:04



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