Double Star Calculator - Orbit

Orbital Elements for HO467AB

WDS:	HO467AB	WDS ID/Discoverer
P:	1227.768	Orbital period (years)
a:	6.74276	Semi-major axis (arcseconds)
i:	71.298	Inclination (degrees)
Ω:	110.174	Longitude of ascending node (degrees)
T:	1855.477	Epoch of periastron passage (year)
e:	0.95965	Eccentricity
ω:	291.314	Longitude of periastron (degrees)
Start-Year:	1411.1161499999998	Year
End-Year:	2638.88385	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HO467AB
Position:	215037.14+221531.0	Epoch-2000 right ascension and declination
WDS-ID:	21506+2216	WDS designation
Discoverer Code:	HO467AB	Discover designation and components
ADS number:	15373	Aitken Double Star catalog
HD number:	207731	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	8.10	Magnitude of the primary
V2:	10.30	Magnitude of the secondary
Equinox:		Equinox
Date:	2010	Date of last observation
Orbit grade:	5	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 HO467AB

WDS 6th Orbit including measures of HO467AB

-- 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 HO467AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    2.887   224.97
--------------------------
1411.12    6.458   255.75
1421.12    6.452   256.04
1431.12    6.443   256.33
1441.12    6.432   256.62
1451.12    6.418   256.91
1461.12    6.402   257.21
1471.12    6.383   257.50
1481.12    6.361   257.80
1491.12    6.337   258.09
1501.12    6.309   258.39
1511.12    6.278   258.70
1521.12    6.244   259.00
1531.12    6.208   259.31
1541.12    6.167   259.63
1551.12    6.124   259.95
1561.12    6.076   260.27
1571.12    6.026   260.60
1581.12    5.971   260.93
1591.12    5.912   261.27
1601.12    5.850   261.62
1611.12    5.783   261.97
1621.12    5.711   262.34
1631.12    5.635   262.71
1641.12    5.553   263.10
1651.12    5.467   263.49
1661.12    5.375   263.90
1671.12    5.277   264.32
1681.12    5.172   264.77
1691.12    5.061   265.22
1701.12    4.942   265.70
1711.12    4.816   266.21
1721.12    4.680   266.74
1731.12    4.535   267.31
1741.12    4.380   267.91
1751.12    4.212   268.56
1761.12    4.032   269.27
1771.12    3.835   270.05
1781.12    3.621   270.91
1791.12    3.385   271.89
1801.12    3.122   273.03
1811.12    2.825   274.39
1821.12    2.481   276.10
1831.12    2.069   278.43
1841.12    1.536   282.15
1851.12    0.690   292.51
1861.12    0.635   127.15
1871.12    0.845   148.60
1881.12    0.977   163.12
1891.12    1.103   174.28
1901.12    1.232   183.13
1911.12    1.366   190.27
1921.12    1.502   196.14
1931.12    1.639   201.02
1941.12    1.776   205.15
1951.12    1.912   208.69
1961.12    2.048   211.76
1971.12    2.182   214.45
1981.12    2.314   216.83
1991.12    2.444   218.96
2001.12    2.572   220.87
2011.12    2.698   222.60
2021.12    2.822   224.18
2031.12    2.943   225.63
2041.12    3.062   226.96
2051.12    3.179   228.19
2061.12    3.293   229.34
2071.12    3.405   230.41
2081.12    3.515   231.42
2091.12    3.623   232.36
2101.12    3.729   233.25
2111.12    3.832   234.09
2121.12    3.933   234.89
2131.12    4.032   235.65
2141.12    4.129   236.37
2151.12    4.224   237.06
2161.12    4.317   237.72
2171.12    4.407   238.35
2181.12    4.496   238.96
2191.12    4.583   239.54
2201.12    4.667   240.10
2211.12    4.750   240.64
2221.12    4.831   241.17
2231.12    4.909   241.67
2241.12    4.986   242.16
2251.12    5.061   242.64
2261.12    5.134   243.10
2271.12    5.204   243.55
2281.12    5.273   243.99
2291.12    5.340   244.42
2301.12    5.406   244.83
2311.12    5.469   245.24
2321.12    5.530   245.64
2331.12    5.590   246.03
2341.12    5.647   246.41
2351.12    5.703   246.78
2361.12    5.757   247.15
2371.12    5.809   247.51
2381.12    5.859   247.86
2391.12    5.907   248.21
2401.12    5.953   248.55
2411.12    5.997   248.89
2421.12    6.040   249.22
2431.12    6.080   249.54
2441.12    6.118   249.87
2451.12    6.155   250.19
2461.12    6.190   250.50
2471.12    6.222   250.81
2481.12    6.253   251.12
2491.12    6.281   251.43
2501.12    6.308   251.73
2511.12    6.333   252.03
2521.12    6.355   252.33
2531.12    6.376   252.63
2541.12    6.394   252.92
2551.12    6.410   253.22
2561.12    6.424   253.51
2571.12    6.436   253.80
2581.12    6.446   254.09
2591.12    6.454   254.38
2601.12    6.459   254.67
2611.12    6.462   254.95
2621.12    6.463   255.24
2631.12    6.461   255.53

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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 18:32:52