Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:46:33

Orbital Elements for STT201AB
WDS: STT201AB WDS ID/Discoverer
P: 1883.000 Orbital period (years)
a: 1.392 Semi-major axis (arcseconds)
i: 140.3 Inclination (degrees)
Ω: 29.4 Longitude of ascending node (degrees)
T: 2288.000 Epoch of periastron passage (year)
e: 0.274 Eccentricity
ω: 268.2 Longitude of periastron (degrees)
Start-Year: 1084.0 Year
End-Year: 2966.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT201AB
Position: 092354.55+275354.9 Epoch-2000 right ascension and declination
WDS-ID: 09239+2754 WDS designation
Discoverer Code: STT201AB Discover designation and components
ADS number: 7344 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.48 Magnitude of the primary
V2: 9.48 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for STT201AB



WDS 6th Orbit including measures of STT201AB

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of STT201AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.222    202.9
-------------------------
1084.0     1.419    339.1
1094.0     1.417    337.8
1104.0     1.414    336.4
1114.0     1.412    335.0
1124.0     1.409    333.6
1134.0     1.406    332.3
1144.0     1.404    330.9
1154.0     1.401    329.5
1164.0     1.398    328.1
1174.0     1.396    326.7
1184.0     1.393    325.3
1194.0     1.391    323.8
1204.0     1.388    322.4
1214.0     1.386    321.0
1224.0     1.383    319.6
1234.0     1.381    318.1
1244.0     1.379    316.7
1254.0     1.377    315.3
1264.0     1.375    313.8
1274.0     1.373    312.4
1284.0     1.372    310.9
1294.0     1.370    309.4
1304.0     1.369    308.0
1314.0     1.368    306.5
1324.0     1.367    305.0
1334.0     1.366    303.6
1344.0     1.365    302.1
1354.0     1.365    300.6
1364.0     1.364    299.2
1374.0     1.364    297.7
1384.0     1.364    296.2
1394.0     1.364    294.7
1404.0     1.364    293.3
1414.0     1.365    291.8
1424.0     1.365    290.3
1434.0     1.366    288.9
1444.0     1.367    287.4
1454.0     1.368    285.9
1464.0     1.369    284.5
1474.0     1.371    283.0
1484.0     1.372    281.5
1494.0     1.374    280.1
1504.0     1.375    278.6
1514.0     1.377    277.2
1524.0     1.379    275.7
1534.0     1.381    274.3
1544.0     1.383    272.9
1554.0     1.385    271.4
1564.0     1.387    270.0
1574.0     1.389    268.6
1584.0     1.391    267.2
1594.0     1.393    265.8
1604.0     1.395    264.3
1614.0     1.398    262.9
1624.0     1.400    261.5
1634.0     1.402    260.1
1644.0     1.403    258.7
1654.0     1.405    257.4
1664.0     1.407    256.0
1674.0     1.408    254.6
1684.0     1.410    253.2
1694.0     1.411    251.8
1704.0     1.412    250.5
1714.0     1.413    249.1
1724.0     1.414    247.7
1734.0     1.414    246.3
1744.0     1.414    245.0
1754.0     1.414    243.6
1764.0     1.413    242.2
1774.0     1.413    240.9
1784.0     1.411    239.5
1794.0     1.410    238.1
1804.0     1.408    236.7
1814.0     1.406    235.3
1824.0     1.403    233.9
1834.0     1.400    232.5
1844.0     1.396    231.1
1854.0     1.392    229.7
1864.0     1.387    228.3
1874.0     1.382    226.9
1884.0     1.376    225.4
1894.0     1.369    224.0
1904.0     1.362    222.5
1914.0     1.354    221.0
1924.0     1.346    219.5
1934.0     1.337    218.0
1944.0     1.327    216.5
1954.0     1.317    214.9
1964.0     1.306    213.3
1974.0     1.294    211.7
1984.0     1.281    210.0
1994.0     1.268    208.3
2004.0     1.254    206.6
2014.0     1.239    204.8
2024.0     1.224    203.0
2034.0     1.207    201.2
2044.0     1.190    199.3
2054.0     1.173    197.3
2064.0     1.154    195.3
2074.0     1.135    193.2
2084.0     1.116    191.0
2094.0     1.096    188.8
2104.0     1.075    186.5
2114.0     1.054    184.0
2124.0     1.033    181.5
2134.0     1.011    178.9
2144.0     0.990    176.2
2154.0     0.968    173.3
2164.0     0.947    170.3
2174.0     0.926    167.2
2184.0     0.905    163.9
2194.0     0.886    160.5
2204.0     0.867    156.9
2214.0     0.850    153.2
2224.0     0.833    149.3
2234.0     0.819    145.3
2244.0     0.806    141.2
2254.0     0.796    136.9
2264.0     0.788    132.5
2274.0     0.782    128.1
2284.0     0.778    123.6
2294.0     0.778    119.0
2304.0     0.780    114.5
2314.0     0.784    110.0
2324.0     0.791    105.6
2334.0     0.800    101.2
2344.0     0.811     97.0
2354.0     0.825     92.9
2364.0     0.840     89.0
2374.0     0.857     85.2
2384.0     0.875     81.5
2394.0     0.894     78.0
2404.0     0.915     74.7
2414.0     0.936     71.5
2424.0     0.957     68.4
2434.0     0.979     65.5
2444.0     1.001     62.7
2454.0     1.022     60.0
2464.0     1.044     57.4
2474.0     1.066     55.0
2484.0     1.087     52.6
2494.0     1.108     50.3
2504.0     1.128     48.1
2514.0     1.148     46.0
2524.0     1.168     44.0
2534.0     1.186     42.0
2544.0     1.204     40.1
2554.0     1.222     38.2
2564.0     1.238     36.4
2574.0     1.254     34.6
2584.0     1.269     32.9
2594.0     1.284     31.2
2604.0     1.297     29.6
2614.0     1.310     28.0
2624.0     1.322     26.4
2634.0     1.334     24.8
2644.0     1.345     23.3
2654.0     1.355     21.8
2664.0     1.364     20.3
2674.0     1.373     18.8
2684.0     1.381     17.4
2694.0     1.388     16.0
2704.0     1.395     14.6
2714.0     1.401     13.1
2724.0     1.407     11.8
2734.0     1.412     10.4
2744.0     1.417      9.0
2754.0     1.421      7.6
2764.0     1.424      6.3
2774.0     1.427      4.9
2784.0     1.430      3.6
2794.0     1.432      2.3
2804.0     1.433      0.9
2814.0     1.435    359.6
2824.0     1.436    358.3
2834.0     1.436    356.9
2844.0     1.436    355.6
2854.0     1.436    354.3
2864.0     1.436    352.9
2874.0     1.435    351.6
2884.0     1.434    350.3
2894.0     1.433    349.0
2904.0     1.432    347.6
2914.0     1.430    346.3
2924.0     1.428    344.9
2934.0     1.427    343.6
2944.0     1.424    342.2
2954.0     1.422    340.9
2964.0     1.420    339.5






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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