Double Star Calculator - Orbit

Orbital Elements for HJ663AB
WDS: HJ663AB WDS ID/Discoverer
P: 1420.000 Orbital period (years)
a: 6.77 Semi-major axis (arcseconds)
i: 114.1 Inclination (degrees)
Ω: 84.13 Longitude of ascending node (degrees)
T: 1982.000 Epoch of periastron passage (year)
e: 0.26 Eccentricity
ω: 247.74 Longitude of periastron (degrees)
Start-Year: 1315.0 Year
End-Year: 2735.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HJ663AB
Position: 031246.32-011145.4 Epoch-2000 right ascension and declination
WDS-ID: 03128-0112 WDS designation
Discoverer Code: HJ663AB Discover designation and components
ADS number: 2406 Aitken Double Star catalog
HD number: 19994 HD catalog number
Hipparcos number: 14954 Hipparcos catalog number
V1: 5.06 Magnitude of the primary
V2: 11.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1990 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Hle1994 Reference

Double Star Orbit for HJ663AB



WDS 6th Orbit including measures of HJ663AB

-- 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 HJ663AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    2.081   180.30
--------------------------
1315.00    4.056    28.53
1325.00    3.950    25.67
1335.00    3.851    22.65
1345.00    3.759    19.49
1355.00    3.675    16.17
1365.00    3.600    12.71
1375.00    3.536     9.11
1385.00    3.482     5.38
1395.00    3.440     1.56
1405.00    3.410   357.65
1415.00    3.393   353.69
1425.00    3.388   349.70
1435.00    3.396   345.72
1445.00    3.417   341.77
1455.00    3.450   337.88
1465.00    3.495   334.08
1475.00    3.551   330.38
1485.00    3.617   326.81
1495.00    3.692   323.38
1505.00    3.775   320.09
1515.00    3.866   316.95
1525.00    3.963   313.96
1535.00    4.066   311.12
1545.00    4.172   308.42
1555.00    4.283   305.85
1565.00    4.395   303.42
1575.00    4.509   301.11
1585.00    4.624   298.91
1595.00    4.738   296.82
1605.00    4.851   294.82
1615.00    4.963   292.92
1625.00    5.072   291.10
1635.00    5.178   289.36
1645.00    5.279   287.68
1655.00    5.376   286.07
1665.00    5.468   284.51
1675.00    5.554   283.00
1685.00    5.632   281.54
1695.00    5.704   280.11
1705.00    5.767   278.72
1715.00    5.822   277.35
1725.00    5.867   276.01
1735.00    5.902   274.69
1745.00    5.927   273.38
1755.00    5.940   272.08
1765.00    5.941   270.78
1775.00    5.929   269.48
1785.00    5.905   268.17
1795.00    5.866   266.85
1805.00    5.814   265.51
1815.00    5.747   264.14
1825.00    5.665   262.73
1835.00    5.567   261.28
1845.00    5.454   259.77
1855.00    5.326   258.20
1865.00    5.182   256.54
1875.00    5.022   254.78
1885.00    4.848   252.90
1895.00    4.659   250.87
1905.00    4.457   248.66
1915.00    4.243   246.24
1925.00    4.018   243.55
1935.00    3.785   240.54
1945.00    3.546   237.13
1955.00    3.305   233.22
1965.00    3.066   228.70
1975.00    2.834   223.42
1985.00    2.618   217.24
1995.00    2.424   210.01
2005.00    2.263   201.63
2015.00    2.147   192.17
2025.00    2.085   181.89
2035.00    2.083   171.29
2045.00    2.142   160.97
2055.00    2.256   151.45
2065.00    2.416   143.02
2075.00    2.610   135.74
2085.00    2.830   129.53
2095.00    3.067   124.25
2105.00    3.314   119.74
2115.00    3.567   115.87
2125.00    3.820   112.50
2135.00    4.072   109.56
2145.00    4.319   106.95
2155.00    4.561   104.63
2165.00    4.794   102.53
2175.00    5.020   100.63
2185.00    5.236    98.89
2195.00    5.441    97.28
2205.00    5.637    95.79
2215.00    5.821    94.39
2225.00    5.994    93.08
2235.00    6.156    91.84
2245.00    6.306    90.66
2255.00    6.446    89.53
2265.00    6.574    88.45
2275.00    6.690    87.41
2285.00    6.796    86.40
2295.00    6.890    85.42
2305.00    6.974    84.47
2315.00    7.047    83.54
2325.00    7.110    82.62
2335.00    7.163    81.72
2345.00    7.206    80.84
2355.00    7.239    79.96
2365.00    7.262    79.09
2375.00    7.276    78.22
2385.00    7.282    77.36
2395.00    7.278    76.49
2405.00    7.267    75.63
2415.00    7.247    74.76
2425.00    7.219    73.88
2435.00    7.183    73.00
2445.00    7.140    72.10
2455.00    7.090    71.20
2465.00    7.033    70.28
2475.00    6.970    69.35
2485.00    6.900    68.39
2495.00    6.824    67.42
2505.00    6.743    66.43
2515.00    6.656    65.40
2525.00    6.563    64.36
2535.00    6.466    63.28
2545.00    6.365    62.16
2555.00    6.259    61.01
2565.00    6.149    59.82
2575.00    6.035    58.59
2585.00    5.918    57.31
2595.00    5.798    55.97
2605.00    5.676    54.58
2615.00    5.551    53.12
2625.00    5.424    51.60
2635.00    5.296    50.01
2645.00    5.167    48.33
2655.00    5.038    46.57
2665.00    4.909    44.72
2675.00    4.780    42.77
2685.00    4.653    40.71
2695.00    4.527    38.53
2705.00    4.404    36.24
2715.00    4.283    33.81
2725.00    4.167    31.24






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.


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Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:08:44



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