Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:35:45

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: 1505.0 Year
End-Year: 2545.0 Year
Epoch: 2025.0 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' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HO216



WDS 6th Orbit including measures of HO216

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of HO216
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.424      7.7
-------------------------
1505.0     1.966     82.6
1515.0     1.969     83.7
1525.0     1.971     84.8
1535.0     1.973     85.9
1545.0     1.973     86.9
1555.0     1.973     88.0
1565.0     1.972     89.1
1575.0     1.969     90.1
1585.0     1.966     91.2
1595.0     1.961     92.3
1605.0     1.955     93.4
1615.0     1.947     94.5
1625.0     1.938     95.6
1635.0     1.927     96.7
1645.0     1.914     97.8
1655.0     1.899     98.9
1665.0     1.883    100.1
1675.0     1.863    101.3
1685.0     1.841    102.5
1695.0     1.817    103.7
1705.0     1.788    105.0
1715.0     1.757    106.3
1725.0     1.721    107.7
1735.0     1.681    109.1
1745.0     1.635    110.6
1755.0     1.583    112.2
1765.0     1.523    114.0
1775.0     1.454    115.8
1785.0     1.375    117.9
1795.0     1.280    120.3
1805.0     1.167    123.0
1815.0     1.028    126.5
1825.0     0.847    131.2
1835.0     0.598    139.2
1845.0     0.237    167.3
1855.0     0.325    296.9
1865.0     0.628    316.2
1875.0     0.810    324.2
1885.0     0.933    329.6
1895.0     1.022    334.0
1905.0     1.091    337.7
1915.0     1.147    341.0
1925.0     1.192    344.0
1935.0     1.230    346.8
1945.0     1.263    349.5
1955.0     1.291    352.1
1965.0     1.316    354.5
1975.0     1.339    356.9
1985.0     1.359    359.1
1995.0     1.377      1.3
2005.0     1.394      3.5
2015.0     1.410      5.6
2025.0     1.424      7.7
2035.0     1.438      9.7
2045.0     1.451     11.7
2055.0     1.464     13.7
2065.0     1.476     15.6
2075.0     1.488     17.5
2085.0     1.500     19.3
2095.0     1.512     21.2
2105.0     1.523     23.0
2115.0     1.534     24.7
2125.0     1.546     26.5
2135.0     1.557     28.2
2145.0     1.568     29.9
2155.0     1.579     31.6
2165.0     1.591     33.2
2175.0     1.602     34.9
2185.0     1.613     36.5
2195.0     1.625     38.1
2205.0     1.636     39.6
2215.0     1.647     41.2
2225.0     1.659     42.7
2235.0     1.671     44.2
2245.0     1.682     45.7
2255.0     1.694     47.1
2265.0     1.705     48.5
2275.0     1.717     50.0
2285.0     1.729     51.4
2295.0     1.740     52.7
2305.0     1.752     54.1
2315.0     1.764     55.4
2325.0     1.775     56.8
2335.0     1.786     58.1
2345.0     1.798     59.4
2355.0     1.809     60.7
2365.0     1.820     61.9
2375.0     1.831     63.2
2385.0     1.841     64.4
2395.0     1.852     65.6
2405.0     1.862     66.8
2415.0     1.872     68.0
2425.0     1.882     69.2
2435.0     1.891     70.3
2445.0     1.900     71.5
2455.0     1.909     72.6
2465.0     1.917     73.8
2475.0     1.925     74.9
2485.0     1.932     76.0
2495.0     1.939     77.1
2505.0     1.946     78.2
2515.0     1.951     79.3
2525.0     1.957     80.4
2535.0     1.961     81.5






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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