Double Star Calculator - Orbit

Orbital Elements for HWE10

WDS:	HWE10	WDS ID/Discoverer
P:	1326.481	Orbital period (years)
a:	2.43751	Semi-major axis (arcseconds)
i:	60.987	Inclination (degrees)
Ω:	55.518	Longitude of ascending node (degrees)
T:	2085.390	Epoch of periastron passage (year)
e:	0.79984	Eccentricity
ω:	115.748	Longitude of periastron (degrees)
Start-Year:	1361.75935	Year
End-Year:	2688.2406499999997	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HWE10
Position:	041300.58-283225.8	Epoch-2000 right ascension and declination
WDS-ID:	04130-2832	WDS designation
Discoverer Code:	HWE10	Discover designation and components
ADS number:	3069	Aitken Double Star catalog
HD number:	26770	HD catalog number
Hipparcos number:	19684	Hipparcos catalog number
V1:	8.20	Magnitude of the primary
V2:	8.27	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 HWE10

WDS 6th Orbit including measures of HWE10

-- 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 HWE10

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.240    57.58
--------------------------
1361.76    2.578     6.29
1371.76    2.600     7.00
1381.76    2.622     7.68
1391.76    2.643     8.36
1401.76    2.663     9.03
1411.76    2.683     9.69
1421.76    2.702    10.33
1431.76    2.720    10.97
1441.76    2.738    11.60
1451.76    2.755    12.22
1461.76    2.771    12.84
1471.76    2.787    13.45
1481.76    2.801    14.05
1491.76    2.815    14.64
1501.76    2.828    15.23
1511.76    2.841    15.82
1521.76    2.852    16.40
1531.76    2.862    16.97
1541.76    2.872    17.54
1551.76    2.881    18.11
1561.76    2.889    18.67
1571.76    2.896    19.23
1581.76    2.902    19.79
1591.76    2.906    20.35
1601.76    2.910    20.90
1611.76    2.913    21.46
1621.76    2.915    22.01
1631.76    2.916    22.56
1641.76    2.916    23.11
1651.76    2.914    23.67
1661.76    2.911    24.22
1671.76    2.907    24.78
1681.76    2.902    25.33
1691.76    2.896    25.89
1701.76    2.888    26.45
1711.76    2.879    27.02
1721.76    2.868    27.58
1731.76    2.856    28.16
1741.76    2.842    28.74
1751.76    2.827    29.32
1761.76    2.810    29.91
1771.76    2.792    30.51
1781.76    2.771    31.12
1791.76    2.749    31.73
1801.76    2.725    32.36
1811.76    2.699    33.00
1821.76    2.670    33.65
1831.76    2.640    34.31
1841.76    2.607    35.00
1851.76    2.571    35.70
1861.76    2.533    36.42
1871.76    2.492    37.16
1881.76    2.448    37.93
1891.76    2.401    38.73
1901.76    2.350    39.56
1911.76    2.296    40.43
1921.76    2.237    41.34
1931.76    2.174    42.31
1941.76    2.107    43.33
1951.76    2.034    44.43
1961.76    1.955    45.61
1971.76    1.870    46.89
1981.76    1.777    48.30
1991.76    1.677    49.88
2001.76    1.566    51.66
2011.76    1.444    53.73
2021.76    1.309    56.21
2031.76    1.158    59.30
2041.76    0.987    63.39
2051.76    0.793    69.36
2061.76    0.574    79.62
2071.76    0.345   103.52
2081.76    0.254   167.59
2091.76    0.425   214.01
2101.76    0.607   231.92
2111.76    0.737   242.29
2121.76    0.826   249.95
2131.76    0.892   256.30
2141.76    0.941   261.88
2151.76    0.982   266.95
2161.76    1.016   271.65
2171.76    1.046   276.07
2181.76    1.075   280.24
2191.76    1.102   284.20
2201.76    1.128   287.98
2211.76    1.154   291.59
2221.76    1.180   295.04
2231.76    1.207   298.33
2241.76    1.234   301.48
2251.76    1.262   304.50
2261.76    1.290   307.38
2271.76    1.319   310.14
2281.76    1.349   312.78
2291.76    1.379   315.30
2301.76    1.410   317.71
2311.76    1.441   320.02
2321.76    1.473   322.23
2331.76    1.505   324.35
2341.76    1.537   326.38
2351.76    1.570   328.33
2361.76    1.603   330.19
2371.76    1.636   331.98
2381.76    1.669   333.70
2391.76    1.702   335.35
2401.76    1.736   336.94
2411.76    1.769   338.47
2421.76    1.802   339.94
2431.76    1.836   341.36
2441.76    1.869   342.73
2451.76    1.902   344.05
2461.76    1.934   345.32
2471.76    1.967   346.56
2481.76    1.999   347.75
2491.76    2.031   348.91
2501.76    2.063   350.03
2511.76    2.094   351.11
2521.76    2.125   352.17
2531.76    2.156   353.19
2541.76    2.187   354.19
2551.76    2.217   355.16
2561.76    2.246   356.10
2571.76    2.275   357.02
2581.76    2.304   357.91
2591.76    2.332   358.79
2601.76    2.360   359.64
2611.76    2.387     0.47
2621.76    2.414     1.29
2631.76    2.440     2.08
2641.76    2.466     2.86
2651.76    2.491     3.63
2661.76    2.515     4.38
2671.76    2.539     5.11
2681.76    2.563     5.83

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 15:18:54