Double Star Calculator - Orbit

Orbital Elements for HO216
WDS: HO216 WDS ID/Discoverer
P: 1040.738 Orbital period (years)
a: 2.47564 Semi-major axis (arcseconds)
i: 67.639 Inclination (degrees)
Ω: 134.565 Longitude of ascending node (degrees)
T: 1849.609 Epoch of periastron passage (year)
e: 0.85739 Eccentricity
ω: 97.035 Longitude of periastron (degrees)
Start-Year: 1504.6309 Year
End-Year: 2545.3691 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HO216
Position: 022700.99+311717.3 Epoch-2000 right ascension and declination
WDS-ID: 02270+3117 WDS designation
Discoverer Code: HO216 Discover designation and components
ADS number: 1851 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 7.90 Magnitude of the primary
V2: 9.44 Magnitude of the secondary
Equinox: Equinox
Date: 2013 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 HO216



WDS 6th Orbit including measures of HO216

-- 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 HO216
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.426     8.00
--------------------------
1504.63    1.965    82.61
1514.63    1.969    83.68
1524.63    1.971    84.75
1534.63    1.973    85.82
1544.63    1.973    86.89
1554.63    1.973    87.95
1564.63    1.972    89.02
1574.63    1.969    90.09
1584.63    1.966    91.16
1594.63    1.961    92.24
1604.63    1.955    93.32
1614.63    1.947    94.41
1624.63    1.938    95.51
1634.63    1.927    96.62
1644.63    1.915    97.75
1654.63    1.900    98.89
1664.63    1.883   100.05
1674.63    1.864   101.23
1684.63    1.842   102.44
1694.63    1.817   103.68
1704.63    1.790   104.95
1714.63    1.758   106.27
1724.63    1.722   107.64
1734.63    1.682   109.07
1744.63    1.636   110.58
1754.63    1.585   112.18
1764.63    1.525   113.90
1774.63    1.457   115.76
1784.63    1.378   117.83
1794.63    1.284   120.17
1804.63    1.172   122.92
1814.63    1.033   126.33
1824.63    0.855   130.99
1834.63    0.609   138.80
1844.63    0.251   164.71
1854.63    0.310   295.41
1864.63    0.619   315.78
1874.63    0.805   323.94
1884.63    0.929   329.45
1894.63    1.019   333.81
1904.63    1.089   337.54
1914.63    1.145   340.87
1924.63    1.191   343.91
1934.63    1.229   346.74
1944.63    1.262   349.42
1954.63    1.291   351.96
1964.63    1.316   354.41
1974.63    1.338   356.77
1984.63    1.358   359.05
1994.63    1.377     1.27
2004.63    1.393     3.43
2014.63    1.409     5.55
2024.63    1.424     7.62
2034.63    1.438     9.64
2044.63    1.451    11.63
2054.63    1.464    13.59
2064.63    1.476    15.51
2074.63    1.488    17.40
2084.63    1.500    19.26
2094.63    1.511    21.09
2104.63    1.523    22.89
2114.63    1.534    24.67
2124.63    1.545    26.42
2134.63    1.556    28.15
2144.63    1.568    29.85
2154.63    1.579    31.53
2164.63    1.590    33.18
2174.63    1.601    34.81
2184.63    1.613    36.42
2194.63    1.624    38.00
2204.63    1.636    39.56
2214.63    1.647    41.11
2224.63    1.659    42.62
2234.63    1.670    44.12
2244.63    1.682    45.60
2254.63    1.693    47.06
2264.63    1.705    48.50
2274.63    1.717    49.91
2284.63    1.728    51.31
2294.63    1.740    52.69
2304.63    1.752    54.06
2314.63    1.763    55.40
2324.63    1.775    56.73
2334.63    1.786    58.04
2344.63    1.797    59.33
2354.63    1.808    60.61
2364.63    1.819    61.87
2374.63    1.830    63.11
2384.63    1.841    64.35
2394.63    1.851    65.56
2404.63    1.862    66.77
2414.63    1.872    67.96
2424.63    1.881    69.14
2434.63    1.891    70.31
2444.63    1.900    71.46
2454.63    1.908    72.61
2464.63    1.917    73.74
2474.63    1.925    74.87
2484.63    1.932    75.98
2494.63    1.939    77.09
2504.63    1.945    78.19
2514.63    1.951    79.28
2524.63    1.957    80.37
2534.63    1.961    81.45
2544.63    1.965    82.53






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 15:00:23



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