Double Star Calculator - Orbit

Orbital Elements for HJ4935AC

WDS:	HJ4935AC	WDS ID/Discoverer
P:	2055.785	Orbital period (years)
a:	71.57805	Semi-major axis (arcseconds)
i:	74.5799	Inclination (degrees)
Ω:	99.0314	Longitude of ascending node (degrees)
T:	1717.195	Epoch of periastron passage (year)
e:	0.907526	Eccentricity
ω:	273.7521	Longitude of periastron (degrees)
Start-Year:	997.1073019999999	Year
End-Year:	3052.892698	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HJ4935AC
Position:	171857.16-345923.1	Epoch-2000 right ascension and declination
WDS-ID:	17190-3459	WDS designation
Discoverer Code:	HJ4935AC	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	156384	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	6.37	Magnitude of the primary
V2:	10.27	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	Kpp2020f	Reference

Double Star Orbit for HJ4935AC

WDS 6th Orbit including measures of HJ4935AC

-- 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 HJ4935AC

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50   32.619   142.64
--------------------------
997.11   40.633   223.20
1007.11   40.727   223.80
1017.11   40.818   224.41
1027.11   40.906   225.01
1037.11   40.993   225.60
1047.11   41.077   226.20
1057.11   41.158   226.79
1067.11   41.236   227.38
1077.11   41.311   227.97
1087.11   41.384   228.56
1097.11   41.452   229.14
1107.11   41.518   229.72
1117.11   41.579   230.30
1127.11   41.637   230.88
1137.11   41.691   231.46
1147.11   41.741   232.03
1157.11   41.786   232.61
1167.11   41.826   233.18
1177.11   41.862   233.75
1187.11   41.892   234.32
1197.11   41.917   234.90
1207.11   41.937   235.47
1217.11   41.951   236.03
1227.11   41.958   236.60
1237.11   41.960   237.17
1247.11   41.954   237.74
1257.11   41.942   238.31
1267.11   41.922   238.88
1277.11   41.894   239.45
1287.11   41.859   240.02
1297.11   41.814   240.60
1307.11   41.761   241.17
1317.11   41.699   241.74
1327.11   41.627   242.32
1337.11   41.544   242.90
1347.11   41.451   243.48
1357.11   41.346   244.07
1367.11   41.230   244.66
1377.11   41.100   245.25
1387.11   40.957   245.84
1397.11   40.800   246.44
1407.11   40.628   247.05
1417.11   40.441   247.66
1427.11   40.236   248.27
1437.11   40.013   248.89
1447.11   39.771   249.52
1457.11   39.509   250.16
1467.11   39.225   250.81
1477.11   38.918   251.46
1487.11   38.585   252.13
1497.11   38.225   252.81
1507.11   37.836   253.50
1517.11   37.415   254.21
1527.11   36.959   254.93
1537.11   36.466   255.68
1547.11   35.930   256.44
1557.11   35.349   257.23
1567.11   34.716   258.05
1577.11   34.026   258.90
1587.11   33.271   259.78
1597.11   32.442   260.71
1607.11   31.529   261.69
1617.11   30.517   262.73
1627.11   29.389   263.84
1637.11   28.121   265.06
1647.11   26.682   266.39
1657.11   25.025   267.89
1667.11   23.085   269.62
1677.11   20.754   271.70
1687.11   17.850   274.39
1697.11   14.019   278.34
1707.11    8.490   286.48
1717.11    1.791    20.19
1727.11    8.813    93.68
1737.11   13.763   101.65
1747.11   17.006   105.88
1757.11   19.362   108.90
1767.11   21.186   111.33
1777.11   22.658   113.42
1787.11   23.881   115.27
1797.11   24.915   116.95
1807.11   25.805   118.50
1817.11   26.578   119.96
1827.11   27.256   121.35
1837.11   27.856   122.67
1847.11   28.389   123.93
1857.11   28.865   125.15
1867.11   29.293   126.34
1877.11   29.677   127.49
1887.11   30.025   128.62
1897.11   30.340   129.72
1907.11   30.626   130.79
1917.11   30.885   131.85
1927.11   31.122   132.90
1937.11   31.338   133.92
1947.11   31.535   134.94
1957.11   31.716   135.94
1967.11   31.881   136.93
1977.11   32.032   137.91
1987.11   32.171   138.88
1997.11   32.299   139.85
2007.11   32.416   140.80
2017.11   32.525   141.75
2027.11   32.624   142.70
2037.11   32.717   143.64
2047.11   32.802   144.57
2057.11   32.881   145.50
2067.11   32.954   146.42
2077.11   33.022   147.34
2087.11   33.086   148.26
2097.11   33.146   149.17
2107.11   33.202   150.09
2117.11   33.254   150.99
2127.11   33.304   151.90
2137.11   33.351   152.80
2147.11   33.396   153.70
2157.11   33.440   154.60
2167.11   33.481   155.49
2177.11   33.521   156.38
2187.11   33.561   157.27
2197.11   33.599   158.16
2207.11   33.637   159.05
2217.11   33.674   159.93
2227.11   33.711   160.82
2237.11   33.748   161.70
2247.11   33.785   162.58
2257.11   33.823   163.45
2267.11   33.860   164.33
2277.11   33.899   165.20
2287.11   33.938   166.07
2297.11   33.978   166.94
2307.11   34.018   167.81
2317.11   34.060   168.67
2327.11   34.103   169.53
2337.11   34.147   170.39
2347.11   34.192   171.25
2357.11   34.239   172.11
2367.11   34.287   172.96
2377.11   34.336   173.81
2387.11   34.387   174.66
2397.11   34.440   175.51
2407.11   34.494   176.35
2417.11   34.550   177.19
2427.11   34.608   178.03
2437.11   34.667   178.87
2447.11   34.728   179.70
2457.11   34.791   180.53
2467.11   34.855   181.35
2477.11   34.921   182.18
2487.11   34.990   183.00
2497.11   35.059   183.81
2507.11   35.131   184.63
2517.11   35.205   185.44
2527.11   35.280   186.24
2537.11   35.357   187.05
2547.11   35.436   187.85
2557.11   35.516   188.64
2567.11   35.599   189.43
2577.11   35.683   190.22
2587.11   35.768   191.01
2597.11   35.855   191.79
2607.11   35.944   192.57
2617.11   36.035   193.34
2627.11   36.127   194.11
2637.11   36.220   194.88
2647.11   36.315   195.64
2657.11   36.412   196.40
2667.11   36.509   197.15
2677.11   36.608   197.90
2687.11   36.709   198.64
2697.11   36.810   199.39
2707.11   36.913   200.12
2717.11   37.017   200.86
2727.11   37.121   201.59
2737.11   37.227   202.31
2747.11   37.334   203.03
2757.11   37.441   203.75
2767.11   37.550   204.46
2777.11   37.659   205.17
2787.11   37.768   205.87
2797.11   37.879   206.57
2807.11   37.989   207.27
2817.11   38.101   207.96
2827.11   38.212   208.65
2837.11   38.324   209.34
2847.11   38.436   210.02
2857.11   38.548   210.69
2867.11   38.660   211.36
2877.11   38.773   212.03
2887.11   38.885   212.70
2897.11   38.996   213.36
2907.11   39.108   214.01
2917.11   39.219   214.67
2927.11   39.329   215.32
2937.11   39.439   215.96
2947.11   39.548   216.61
2957.11   39.657   217.24
2967.11   39.764   217.88
2977.11   39.871   218.51
2987.11   39.976   219.14
2997.11   40.080   219.77
3007.11   40.183   220.39
3017.11   40.284   221.01
3027.11   40.384   221.62
3037.11   40.482   222.24
3047.11   40.578   222.85

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 17:36:43