Double Star Calculator - Orbit

Orbital Elements for STT410AB

WDS:	STT410AB	WDS ID/Discoverer
P:	1152.586	Orbital period (years)
a:	2.00279	Semi-major axis (arcseconds)
i:	94.48	Inclination (degrees)
Ω:	178.714	Longitude of ascending node (degrees)
T:	2087.667	Epoch of periastron passage (year)
e:	0.796	Eccentricity
ω:	254.834	Longitude of periastron (degrees)
Start-Year:	1448.7068	Year
End-Year:	2601.2932	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT410AB
Position:	203933.31+403446.8	Epoch-2000 right ascension and declination
WDS-ID:	20396+4035	WDS designation
Discoverer Code:	STT410AB	Discover designation and components
ADS number:	14126	Aitken Double Star catalog
HD number:	197018	HD catalog number
Hipparcos number:	101949	Hipparcos catalog number
V1:	6.73	Magnitude of the primary
V2:	6.83	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:		Flags
Ephemerides:		Ephemerides
Code:	Izm2019	Reference

Double Star Orbit for STT410AB

WDS 6th Orbit including measures of STT410AB

-- 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 STT410AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.854     2.76
--------------------------
1448.71    1.183   165.83
1458.71    1.152   165.40
1468.71    1.120   164.94
1478.71    1.088   164.45
1488.71    1.055   163.94
1498.71    1.022   163.39
1508.71    0.988   162.80
1518.71    0.954   162.17
1528.71    0.920   161.50
1538.71    0.885   160.77
1548.71    0.850   159.98
1558.71    0.815   159.13
1568.71    0.779   158.20
1578.71    0.744   157.18
1588.71    0.708   156.05
1598.71    0.672   154.81
1608.71    0.636   153.42
1618.71    0.600   151.87
1628.71    0.565   150.12
1638.71    0.529   148.14
1648.71    0.494   145.88
1658.71    0.460   143.27
1668.71    0.426   140.25
1678.71    0.394   136.72
1688.71    0.363   132.58
1698.71    0.334   127.70
1708.71    0.308   121.94
1718.71    0.285   115.19
1728.71    0.267   107.39
1738.71    0.254    98.63
1748.71    0.247    89.17
1758.71    0.248    79.46
1768.71    0.255    70.03
1778.71    0.268    61.32
1788.71    0.286    53.58
1798.71    0.309    46.88
1808.71    0.335    41.16
1818.71    0.364    36.31
1828.71    0.395    32.18
1838.71    0.427    28.66
1848.71    0.459    25.64
1858.71    0.493    23.02
1868.71    0.526    20.74
1878.71    0.560    18.73
1888.71    0.593    16.95
1898.71    0.626    15.35
1908.71    0.658    13.91
1918.71    0.690    12.61
1928.71    0.720    11.42
1938.71    0.748    10.32
1948.71    0.775     9.30
1958.71    0.800     8.34
1968.71    0.822     7.44
1978.71    0.841     6.58
1988.71    0.855     5.76
1998.71    0.865     4.96
2008.71    0.869     4.17
2018.71    0.864     3.39
2028.71    0.849     2.58
2038.71    0.820     1.73
2048.71    0.770     0.80
2058.71    0.690   359.69
2068.71    0.562   358.19
2078.71    0.362   355.37
2088.71    0.081   335.76
2098.71    0.240   186.32
2108.71    0.503   181.54
2118.71    0.711   179.91
2128.71    0.877   178.97
2138.71    1.012   178.30
2148.71    1.123   177.78
2158.71    1.217   177.35
2168.71    1.297   176.98
2178.71    1.365   176.64
2188.71    1.424   176.34
2198.71    1.474   176.05
2208.71    1.517   175.79
2218.71    1.555   175.54
2228.71    1.587   175.30
2238.71    1.614   175.07
2248.71    1.637   174.84
2258.71    1.656   174.63
2268.71    1.672   174.41
2278.71    1.684   174.20
2288.71    1.694   173.99
2298.71    1.700   173.79
2308.71    1.705   173.58
2318.71    1.706   173.38
2328.71    1.706   173.18
2338.71    1.704   172.97
2348.71    1.700   172.77
2358.71    1.694   172.56
2368.71    1.686   172.36
2378.71    1.677   172.15
2388.71    1.666   171.93
2398.71    1.654   171.72
2408.71    1.640   171.50
2418.71    1.625   171.28
2428.71    1.609   171.05
2438.71    1.592   170.82
2448.71    1.573   170.58
2458.71    1.554   170.34
2468.71    1.534   170.09
2478.71    1.512   169.84
2488.71    1.490   169.57
2498.71    1.466   169.30
2508.71    1.442   169.02
2518.71    1.417   168.73
2528.71    1.391   168.43
2538.71    1.365   168.12
2548.71    1.337   167.80
2558.71    1.310   167.46
2568.71    1.281   167.11
2578.71    1.252   166.74
2588.71    1.222   166.35
2598.71    1.191   165.94

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 18:17:18