Double Star Calculator - Orbit

Orbital Elements for STF2934

WDS:	STF2934	WDS ID/Discoverer
P:	1210.200	Orbital period (years)
a:	5.80451	Semi-major axis (arcseconds)
i:	98.325	Inclination (degrees)
Ω:	5.502	Longitude of ascending node (degrees)
T:	1800.279	Epoch of periastron passage (year)
e:	0.85683	Eccentricity
ω:	119.298	Longitude of periastron (degrees)
Start-Year:	1419.8998000000001	Year
End-Year:	2630.1002	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF2934
Position:	224151.68+212553.0	Epoch-2000 right ascension and declination
WDS-ID:	22419+2126	WDS designation
Discoverer Code:	STF2934	Discover designation and components
ADS number:	16185	Aitken Double Star catalog
HD number:	215013	HD catalog number
Hipparcos number:	112063	Hipparcos catalog number
V1:	8.64	Magnitude of the primary
V2:	9.55	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 STF2934

WDS 6th Orbit including measures of STF2934

-- 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 STF2934

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.571    50.22
--------------------------
1419.90    6.367    15.30
1429.90    6.373    15.12
1439.90    6.375    14.93
1449.90    6.374    14.75
1459.90    6.369    14.57
1469.90    6.360    14.38
1479.90    6.346    14.20
1489.90    6.328    14.01
1499.90    6.306    13.82
1509.90    6.279    13.63
1519.90    6.247    13.44
1529.90    6.210    13.25
1539.90    6.167    13.05
1549.90    6.119    12.86
1559.90    6.065    12.65
1569.90    6.005    12.45
1579.90    5.938    12.24
1589.90    5.864    12.02
1599.90    5.783    11.80
1609.90    5.694    11.58
1619.90    5.596    11.34
1629.90    5.488    11.10
1639.90    5.371    10.84
1649.90    5.243    10.58
1659.90    5.103    10.30
1669.90    4.950    10.00
1679.90    4.783     9.69
1689.90    4.598     9.35
1699.90    4.396     8.98
1709.90    4.172     8.57
1719.90    3.923     8.11
1729.90    3.644     7.59
1739.90    3.329     6.97
1749.90    2.969     6.22
1759.90    2.550     5.24
1769.90    2.049     3.81
1779.90    1.430     1.30
1789.90    0.634   353.32
1799.90    0.386   201.72
1809.90    1.079   185.62
1819.90    1.356   180.70
1829.90    1.438   176.92
1839.90    1.435   173.32
1849.90    1.387   169.58
1859.90    1.317   165.49
1869.90    1.236   160.90
1879.90    1.151   155.64
1889.90    1.068   149.55
1899.90    0.993   142.49
1909.90    0.930   134.37
1919.90    0.885   125.24
1929.90    0.860   115.37
1939.90    0.860   105.22
1949.90    0.884    95.34
1959.90    0.931    86.22
1969.90    0.997    78.13
1979.90    1.078    71.16
1989.90    1.171    65.22
1999.90    1.273    60.20
2009.90    1.382    55.94
2019.90    1.495    52.32
2029.90    1.611    49.21
2039.90    1.730    46.53
2049.90    1.850    44.19
2059.90    1.971    42.14
2069.90    2.093    40.33
2079.90    2.215    38.71
2089.90    2.336    37.26
2099.90    2.457    35.96
2109.90    2.577    34.78
2119.90    2.696    33.70
2129.90    2.814    32.72
2139.90    2.931    31.81
2149.90    3.047    30.97
2159.90    3.162    30.20
2169.90    3.275    29.47
2179.90    3.387    28.80
2189.90    3.497    28.17
2199.90    3.606    27.57
2209.90    3.713    27.01
2219.90    3.819    26.49
2229.90    3.923    25.99
2239.90    4.025    25.51
2249.90    4.126    25.06
2259.90    4.224    24.63
2269.90    4.321    24.22
2279.90    4.417    23.83
2289.90    4.510    23.46
2299.90    4.602    23.10
2309.90    4.691    22.75
2319.90    4.779    22.42
2329.90    4.865    22.09
2339.90    4.949    21.78
2349.90    5.030    21.48
2359.90    5.110    21.19
2369.90    5.188    20.91
2379.90    5.264    20.64
2389.90    5.337    20.37
2399.90    5.409    20.11
2409.90    5.478    19.86
2419.90    5.545    19.61
2429.90    5.610    19.37
2439.90    5.673    19.14
2449.90    5.733    18.91
2459.90    5.791    18.68
2469.90    5.846    18.46
2479.90    5.899    18.24
2489.90    5.950    18.03
2499.90    5.998    17.82
2509.90    6.044    17.61
2519.90    6.086    17.41
2529.90    6.127    17.21
2539.90    6.164    17.01
2549.90    6.199    16.81
2559.90    6.231    16.62
2569.90    6.259    16.43
2579.90    6.285    16.24
2589.90    6.308    16.05
2599.90    6.328    15.86
2609.90    6.344    15.68
2619.90    6.357    15.49
2629.90    6.367    15.31

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 18:43:20