Double Star Calculator - Orbit

Orbital Elements for STF2484
WDS: STF2484 WDS ID/Discoverer
P: 1500.437 Orbital period (years)
a: 4.31198 Semi-major axis (arcseconds)
i: 73.076 Inclination (degrees)
Ω: 79.874 Longitude of ascending node (degrees)
T: 2113.804 Epoch of periastron passage (year)
e: 0.88995 Eccentricity
ω: 272.338 Longitude of periastron (degrees)
Start-Year: 1274.7813999999998 Year
End-Year: 2775.2186 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF2484
Position: 191415.66+190350.3 Epoch-2000 right ascension and declination
WDS-ID: 19143+1904 WDS designation
Discoverer Code: STF2484 Discover designation and components
ADS number: 12201 Aitken Double Star catalog
HD number: 180054 HD catalog number
Hipparcos number: 94520 Hipparcos catalog number
V1: 7.93 Magnitude of the primary
V2: 9.51 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 4 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 STF2484



WDS 6th Orbit including measures of STF2484

-- 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 STF2484
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    2.019   241.65
--------------------------
1274.78    2.351   168.50
1284.78    2.355   169.57
1294.78    2.360   170.64
1304.78    2.364   171.70
1314.78    2.369   172.76
1324.78    2.373   173.81
1334.78    2.378   174.86
1344.78    2.383   175.91
1354.78    2.389   176.95
1364.78    2.394   177.98
1374.78    2.400   179.01
1384.78    2.406   180.04
1394.78    2.412   181.06
1404.78    2.418   182.07
1414.78    2.424   183.09
1424.78    2.430   184.09
1434.78    2.436   185.09
1444.78    2.443   186.09
1454.78    2.450   187.08
1464.78    2.456   188.06
1474.78    2.463   189.04
1484.78    2.470   190.01
1494.78    2.476   190.98
1504.78    2.483   191.94
1514.78    2.490   192.90
1524.78    2.497   193.86
1534.78    2.504   194.80
1544.78    2.510   195.74
1554.78    2.517   196.68
1564.78    2.524   197.61
1574.78    2.530   198.54
1584.78    2.537   199.46
1594.78    2.543   200.38
1604.78    2.549   201.30
1614.78    2.555   202.21
1624.78    2.561   203.11
1634.78    2.566   204.01
1644.78    2.571   204.91
1654.78    2.576   205.80
1664.78    2.581   206.69
1674.78    2.586   207.58
1684.78    2.590   208.47
1694.78    2.593   209.35
1704.78    2.596   210.23
1714.78    2.599   211.11
1724.78    2.601   211.98
1734.78    2.603   212.86
1744.78    2.604   213.73
1754.78    2.605   214.60
1764.78    2.605   215.48
1774.78    2.604   216.35
1784.78    2.603   217.22
1794.78    2.600   218.10
1804.78    2.597   218.97
1814.78    2.593   219.85
1824.78    2.587   220.74
1834.78    2.581   221.62
1844.78    2.574   222.51
1854.78    2.565   223.41
1864.78    2.554   224.32
1874.78    2.543   225.23
1884.78    2.529   226.15
1894.78    2.514   227.08
1904.78    2.497   228.02
1914.78    2.478   228.98
1924.78    2.456   229.95
1934.78    2.432   230.94
1944.78    2.405   231.96
1954.78    2.375   232.99
1964.78    2.342   234.06
1974.78    2.304   235.15
1984.78    2.262   236.29
1994.78    2.214   237.47
2004.78    2.161   238.71
2014.78    2.100   240.01
2024.78    2.032   241.40
2034.78    1.953   242.89
2044.78    1.862   244.52
2054.78    1.754   246.33
2064.78    1.626   248.40
2074.78    1.469   250.87
2084.78    1.268   254.03
2094.78    0.995   258.66
2104.78    0.586   268.42
2114.78    0.165    23.94
2124.78    0.697    75.69
2134.78    1.042    83.59
2144.78    1.270    88.01
2154.78    1.435    91.25
2164.78    1.563    93.88
2174.78    1.666    96.15
2184.78    1.751    98.17
2194.78    1.822   100.03
2204.78    1.882   101.76
2214.78    1.934   103.38
2224.78    1.979   104.93
2234.78    2.019   106.41
2244.78    2.053   107.84
2254.78    2.084   109.22
2264.78    2.110   110.57
2274.78    2.134   111.88
2284.78    2.155   113.17
2294.78    2.173   114.43
2304.78    2.190   115.68
2314.78    2.204   116.91
2324.78    2.217   118.12
2334.78    2.229   119.32
2344.78    2.239   120.50
2354.78    2.248   121.68
2364.78    2.255   122.85
2374.78    2.262   124.01
2384.78    2.268   125.16
2394.78    2.274   126.31
2404.78    2.278   127.45
2414.78    2.282   128.59
2424.78    2.286   129.73
2434.78    2.289   130.86
2444.78    2.292   131.99
2454.78    2.294   133.12
2464.78    2.296   134.24
2474.78    2.298   135.36
2484.78    2.299   136.48
2494.78    2.300   137.60
2504.78    2.302   138.72
2514.78    2.303   139.84
2524.78    2.304   140.96
2534.78    2.304   142.07
2544.78    2.305   143.19
2554.78    2.306   144.30
2564.78    2.307   145.41
2574.78    2.308   146.53
2584.78    2.309   147.64
2594.78    2.310   148.75
2604.78    2.311   149.86
2614.78    2.312   150.97
2624.78    2.313   152.07
2634.78    2.314   153.18
2644.78    2.316   154.29
2654.78    2.318   155.39
2664.78    2.319   156.49
2674.78    2.321   157.59
2684.78    2.324   158.69
2694.78    2.326   159.78
2704.78    2.328   160.88
2714.78    2.331   161.97
2724.78    2.334   163.06
2734.78    2.337   164.14
2744.78    2.340   165.23
2754.78    2.344   166.31
2764.78    2.347   167.38
2774.78    2.351   168.46






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 18:02:04



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