Double Star Calculator - Orbit

Orbital Elements for BSO1AB

WDS:	BSO1AB	WDS ID/Discoverer
P:	6255.900	Orbital period (years)
a:	11.5	Semi-major axis (arcseconds)
i:	41.2	Inclination (degrees)
Ω:	226.6	Longitude of ascending node (degrees)
T:	694.000	Epoch of periastron passage (year)
e:	0.63	Eccentricity
ω:	175.0	Longitude of periastron (degrees)
Start-Year:	-1102.9499999999998	Year
End-Year:	5152.95	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BSO1AB
Position:	024414.51-252943.9	Epoch-2000 right ascension and declination
WDS-ID:	02442-2530	WDS designation
Discoverer Code:	BSO1AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	17134	HD catalog number
Hipparcos number:	12780	Hipparcos catalog number
V1:	7.04	Magnitude of the primary
V2:	8.50	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		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:	Kiy2017	Reference

Double Star Orbit for BSO1AB

WDS 6th Orbit including measures of BSO1AB

-- 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 BSO1AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50   12.624   192.87
--------------------------
-1102.95   15.827   241.63
-1092.95   15.780   241.81
-1082.95   15.732   241.99
-1072.95   15.684   242.17
-1062.95   15.635   242.35
-1052.95   15.586   242.53
-1042.95   15.537   242.71
-1032.95   15.487   242.90
-1022.95   15.437   243.08
-1012.95   15.386   243.27
-1002.95   15.335   243.46
-992.95   15.284   243.65
-982.95   15.232   243.84
-972.95   15.180   244.03
-962.95   15.127   244.23
-952.95   15.074   244.42
-942.95   15.020   244.62
-932.95   14.966   244.82
-922.95   14.912   245.01
-912.95   14.857   245.22
-902.95   14.801   245.42
-892.95   14.745   245.62
-882.95   14.689   245.83
-872.95   14.633   246.03
-862.95   14.575   246.24
-852.95   14.518   246.45
-842.95   14.460   246.66
-832.95   14.401   246.88
-822.95   14.342   247.09
-812.95   14.283   247.31
-802.95   14.223   247.53
-792.95   14.163   247.75
-782.95   14.102   247.97
-772.95   14.041   248.20
-762.95   13.980   248.42
-752.95   13.918   248.65
-742.95   13.855   248.88
-732.95   13.792   249.12
-722.95   13.729   249.35
-712.95   13.665   249.59
-702.95   13.600   249.83
-692.95   13.536   250.07
-682.95   13.470   250.31
-672.95   13.405   250.56
-662.95   13.338   250.81
-652.95   13.272   251.06
-642.95   13.205   251.31
-632.95   13.137   251.57
-622.95   13.069   251.83
-612.95   13.000   252.09
-602.95   12.931   252.35
-592.95   12.862   252.62
-582.95   12.792   252.89
-572.95   12.722   253.16
-562.95   12.651   253.44
-552.95   12.579   253.72
-542.95   12.507   254.00
-532.95   12.435   254.29
-522.95   12.362   254.58
-512.95   12.289   254.87
-502.95   12.215   255.17
-492.95   12.141   255.47
-482.95   12.066   255.77
-472.95   11.991   256.08
-462.95   11.916   256.39
-452.95   11.839   256.70
-442.95   11.763   257.02
-432.95   11.686   257.35
-422.95   11.608   257.67
-412.95   11.530   258.01
-402.95   11.452   258.34
-392.95   11.373   258.69
-382.95   11.293   259.03
-372.95   11.213   259.38
-362.95   11.133   259.74
-352.95   11.052   260.10
-342.95   10.971   260.47
-332.95   10.889   260.84
-322.95   10.807   261.22
-312.95   10.724   261.60
-302.95   10.641   261.99
-292.95   10.557   262.39
-282.95   10.473   262.79
-272.95   10.388   263.20
-262.95   10.303   263.61
-252.95   10.218   264.04
-242.95   10.132   264.46
-232.95   10.045   264.90
-222.95    9.958   265.35
-212.95    9.871   265.80
-202.95    9.784   266.26
-192.95    9.695   266.73
-182.95    9.607   267.21
-172.95    9.518   267.69
-162.95    9.429   268.19
-152.95    9.339   268.69
-142.95    9.249   269.21
-132.95    9.158   269.73
-122.95    9.067   270.27
-112.95    8.976   270.81
-102.95    8.885   271.37
-92.95    8.793   271.94
-82.95    8.700   272.52
-72.95    8.608   273.12
-62.95    8.515   273.72
-52.95    8.422   274.34
-42.95    8.328   274.98
-32.95    8.235   275.63
-22.95    8.141   276.29
-12.95    8.047   276.97
-2.95    7.952   277.66
7.05    7.858   278.37
17.05    7.763   279.10
27.05    7.668   279.85
37.05    7.574   280.62
47.05    7.479   281.40
57.05    7.384   282.21
67.05    7.289   283.03
77.05    7.194   283.88
87.05    7.099   284.75
97.05    7.004   285.65
107.05    6.910   286.56
117.05    6.815   287.51
127.05    6.721   288.48
137.05    6.627   289.48
147.05    6.534   290.51
157.05    6.441   291.56
167.05    6.348   292.65
177.05    6.256   293.77
187.05    6.164   294.92
197.05    6.074   296.11
207.05    5.984   297.33
217.05    5.895   298.60
227.05    5.806   299.89
237.05    5.719   301.23
247.05    5.633   302.61
257.05    5.548   304.04
267.05    5.465   305.50
277.05    5.383   307.02
287.05    5.302   308.57
297.05    5.224   310.18
307.05    5.147   311.83
317.05    5.072   313.54
327.05    4.999   315.29
337.05    4.928   317.10
347.05    4.859   318.95
357.05    4.793   320.86
367.05    4.730   322.83
377.05    4.670   324.84
387.05    4.612   326.90
397.05    4.557   329.02
407.05    4.506   331.19
417.05    4.457   333.40
427.05    4.412   335.66
437.05    4.371   337.97
447.05    4.333   340.32
457.05    4.298   342.70
467.05    4.267   345.13
477.05    4.239   347.59
487.05    4.215   350.08
497.05    4.195   352.59
507.05    4.178   355.13
517.05    4.164   357.69
527.05    4.154     0.26
537.05    4.146     2.84
547.05    4.142     5.43
557.05    4.140     8.02
567.05    4.140    10.62
577.05    4.143    13.21
587.05    4.147    15.80
597.05    4.154    18.38
607.05    4.161    20.96
617.05    4.170    23.52
627.05    4.180    26.07
637.05    4.190    28.61
647.05    4.200    31.14
657.05    4.211    33.65
667.05    4.221    36.15
677.05    4.232    38.64
687.05    4.241    41.12
697.05    4.251    43.58
707.05    4.259    46.04
717.05    4.267    48.49
727.05    4.275    50.93
737.05    4.281    53.35
747.05    4.288    55.78
757.05    4.293    58.19
767.05    4.299    60.60
777.05    4.304    63.01
787.05    4.309    65.40
797.05    4.314    67.80
807.05    4.320    70.18
817.05    4.326    72.56
827.05    4.333    74.94
837.05    4.341    77.30
847.05    4.350    79.65
857.05    4.361    82.00
867.05    4.373    84.33
877.05    4.386    86.65
887.05    4.402    88.95
897.05    4.419    91.24
907.05    4.439    93.51
917.05    4.461    95.75
927.05    4.485    97.97
937.05    4.512   100.17
947.05    4.541   102.34
957.05    4.573   104.48
967.05    4.607   106.60
977.05    4.643   108.67
987.05    4.682   110.72
997.05    4.724   112.73
1007.05    4.768   114.71
1017.05    4.814   116.64
1027.05    4.863   118.54
1037.05    4.914   120.40
1047.05    4.967   122.23
1057.05    5.023   124.01
1067.05    5.080   125.75
1077.05    5.140   127.45
1087.05    5.201   129.12
1097.05    5.264   130.74
1107.05    5.329   132.33
1117.05    5.396   133.87
1127.05    5.464   135.38
1137.05    5.534   136.85
1147.05    5.605   138.29
1157.05    5.678   139.68
1167.05    5.751   141.05
1177.05    5.826   142.37
1187.05    5.902   143.67
1197.05    5.980   144.93
1207.05    6.058   146.15
1217.05    6.137   147.35
1227.05    6.216   148.52
1237.05    6.297   149.65
1247.05    6.378   150.76
1257.05    6.460   151.84
1267.05    6.543   152.89
1277.05    6.626   153.92
1287.05    6.709   154.92
1297.05    6.793   155.89
1307.05    6.878   156.84
1317.05    6.962   157.77
1327.05    7.047   158.68
1337.05    7.133   159.56
1347.05    7.218   160.43
1357.05    7.304   161.27
1367.05    7.390   162.10
1377.05    7.476   162.90
1387.05    7.562   163.69
1397.05    7.649   164.46
1407.05    7.735   165.21
1417.05    7.821   165.94
1427.05    7.908   166.66
1437.05    7.994   167.36
1447.05    8.080   168.05
1457.05    8.166   168.73
1467.05    8.253   169.39
1477.05    8.339   170.03
1487.05    8.424   170.67
1497.05    8.510   171.29
1507.05    8.596   171.89
1517.05    8.681   172.49
1527.05    8.766   173.07
1537.05    8.851   173.65
1547.05    8.936   174.21
1557.05    9.021   174.76
1567.05    9.105   175.30
1577.05    9.189   175.83
1587.05    9.273   176.36
1597.05    9.357   176.87
1607.05    9.440   177.37
1617.05    9.523   177.87
1627.05    9.606   178.35
1637.05    9.689   178.83
1647.05    9.771   179.30
1657.05    9.853   179.76
1667.05    9.934   180.22
1677.05   10.015   180.66
1687.05   10.096   181.10
1697.05   10.177   181.54
1707.05   10.257   181.96
1717.05   10.337   182.38
1727.05   10.417   182.79
1737.05   10.496   183.20
1747.05   10.575   183.60
1757.05   10.653   184.00
1767.05   10.731   184.39
1777.05   10.809   184.77
1787.05   10.886   185.15
1797.05   10.963   185.52
1807.05   11.040   185.89
1817.05   11.116   186.25
1827.05   11.192   186.61
1837.05   11.268   186.96
1847.05   11.343   187.31
1857.05   11.417   187.65
1867.05   11.492   187.99
1877.05   11.566   188.32
1887.05   11.639   188.65
1897.05   11.712   188.98
1907.05   11.785   189.30
1917.05   11.858   189.62
1927.05   11.930   189.94
1937.05   12.001   190.25
1947.05   12.072   190.55
1957.05   12.143   190.86
1967.05   12.214   191.16
1977.05   12.284   191.45
1987.05   12.353   191.75
1997.05   12.422   192.04
2007.05   12.491   192.32
2017.05   12.560   192.61
2027.05   12.628   192.89
2037.05   12.695   193.16
2047.05   12.762   193.44
2057.05   12.829   193.71
2067.05   12.896   193.98
2077.05   12.962   194.24
2087.05   13.027   194.51
2097.05   13.092   194.77
2107.05   13.157   195.03
2117.05   13.222   195.28
2127.05   13.286   195.54
2137.05   13.349   195.79
2147.05   13.412   196.03
2157.05   13.475   196.28
2167.05   13.537   196.52
2177.05   13.599   196.77
2187.05   13.661   197.01
2197.05   13.722   197.24
2207.05   13.783   197.48
2217.05   13.843   197.71
2227.05   13.903   197.94
2237.05   13.963   198.17
2247.05   14.022   198.40
2257.05   14.081   198.62
2267.05   14.139   198.85
2277.05   14.197   199.07
2287.05   14.255   199.29
2297.05   14.312   199.51
2307.05   14.369   199.72
2317.05   14.426   199.94
2327.05   14.482   200.15
2337.05   14.537   200.36
2347.05   14.592   200.57
2357.05   14.647   200.78
2367.05   14.702   200.98
2377.05   14.756   201.19
2387.05   14.810   201.39
2397.05   14.863   201.60
2407.05   14.916   201.80
2417.05   14.968   201.99
2427.05   15.020   202.19
2437.05   15.072   202.39
2447.05   15.123   202.58
2457.05   15.174   202.78
2467.05   15.225   202.97
2477.05   15.275   203.16
2487.05   15.325   203.35
2497.05   15.374   203.54
2507.05   15.423   203.73
2517.05   15.472   203.91
2527.05   15.520   204.10
2537.05   15.568   204.28
2547.05   15.616   204.47
2557.05   15.663   204.65
2567.05   15.710   204.83
2577.05   15.756   205.01
2587.05   15.802   205.19
2597.05   15.848   205.36
2607.05   15.893   205.54
2617.05   15.938   205.72
2627.05   15.982   205.89
2637.05   16.026   206.07
2647.05   16.070   206.24
2657.05   16.113   206.41
2667.05   16.156   206.58
2677.05   16.199   206.75
2687.05   16.241   206.92
2697.05   16.283   207.09
2707.05   16.325   207.25
2717.05   16.366   207.42
2727.05   16.406   207.59
2737.05   16.447   207.75
2747.05   16.487   207.92
2757.05   16.526   208.08
2767.05   16.566   208.24
2777.05   16.605   208.40
2787.05   16.643   208.56
2797.05   16.681   208.72
2807.05   16.719   208.88
2817.05   16.757   209.04
2827.05   16.794   209.20
2837.05   16.830   209.36
2847.05   16.867   209.51
2857.05   16.903   209.67
2867.05   16.938   209.83
2877.05   16.974   209.98
2887.05   17.008   210.13
2897.05   17.043   210.29
2907.05   17.077   210.44
2917.05   17.111   210.59
2927.05   17.144   210.74
2937.05   17.177   210.90
2947.05   17.210   211.05
2957.05   17.242   211.20
2967.05   17.274   211.34
2977.05   17.306   211.49
2987.05   17.337   211.64
2997.05   17.368   211.79
3007.05   17.399   211.94
3017.05   17.429   212.08
3027.05   17.459   212.23
3037.05   17.488   212.37
3047.05   17.518   212.52
3057.05   17.546   212.66
3067.05   17.575   212.81
3077.05   17.603   212.95
3087.05   17.631   213.10
3097.05   17.658   213.24
3107.05   17.685   213.38
3117.05   17.712   213.52
3127.05   17.738   213.66
3137.05   17.764   213.81
3147.05   17.789   213.95
3157.05   17.815   214.09
3167.05   17.840   214.23
3177.05   17.864   214.37
3187.05   17.888   214.51
3197.05   17.912   214.64
3207.05   17.936   214.78
3217.05   17.959   214.92
3227.05   17.981   215.06
3237.05   18.004   215.20
3247.05   18.026   215.33
3257.05   18.048   215.47
3267.05   18.069   215.61
3277.05   18.090   215.74
3287.05   18.111   215.88
3297.05   18.131   216.01
3307.05   18.151   216.15
3317.05   18.171   216.28
3327.05   18.190   216.42
3337.05   18.209   216.55
3347.05   18.228   216.69
3357.05   18.246   216.82
3367.05   18.264   216.95
3377.05   18.281   217.09
3387.05   18.299   217.22
3397.05   18.316   217.35
3407.05   18.332   217.48
3417.05   18.348   217.62
3427.05   18.364   217.75
3437.05   18.380   217.88
3447.05   18.395   218.01
3457.05   18.409   218.14
3467.05   18.424   218.27
3477.05   18.438   218.41
3487.05   18.452   218.54
3497.05   18.465   218.67
3507.05   18.478   218.80
3517.05   18.491   218.93
3527.05   18.503   219.06
3537.05   18.515   219.19
3547.05   18.527   219.32
3557.05   18.539   219.45
3567.05   18.550   219.57
3577.05   18.560   219.70
3587.05   18.571   219.83
3597.05   18.580   219.96
3607.05   18.590   220.09
3617.05   18.599   220.22
3627.05   18.608   220.35
3637.05   18.617   220.48
3647.05   18.625   220.60
3657.05   18.633   220.73
3667.05   18.641   220.86
3677.05   18.648   220.99
3687.05   18.655   221.12
3697.05   18.661   221.24
3707.05   18.668   221.37
3717.05   18.673   221.50
3727.05   18.679   221.63
3737.05   18.684   221.75
3747.05   18.689   221.88
3757.05   18.693   222.01
3767.05   18.698   222.14
3777.05   18.701   222.26
3787.05   18.705   222.39
3797.05   18.708   222.52
3807.05   18.711   222.64
3817.05   18.713   222.77
3827.05   18.715   222.90
3837.05   18.717   223.03
3847.05   18.718   223.15
3857.05   18.719   223.28
3867.05   18.720   223.41
3877.05   18.720   223.53
3887.05   18.720   223.66
3897.05   18.720   223.79
3907.05   18.719   223.91
3917.05   18.718   224.04
3927.05   18.717   224.17
3937.05   18.715   224.29
3947.05   18.713   224.42
3957.05   18.711   224.55
3967.05   18.708   224.68
3977.05   18.705   224.80
3987.05   18.701   224.93
3997.05   18.698   225.06
4007.05   18.693   225.18
4017.05   18.689   225.31
4027.05   18.684   225.44
4037.05   18.679   225.57
4047.05   18.673   225.69
4057.05   18.668   225.82
4067.05   18.661   225.95
4077.05   18.655   226.08
4087.05   18.648   226.20
4097.05   18.641   226.33
4107.05   18.633   226.46
4117.05   18.625   226.59
4127.05   18.617   226.72
4137.05   18.608   226.85
4147.05   18.599   226.97
4157.05   18.590   227.10
4167.05   18.580   227.23
4177.05   18.570   227.36
4187.05   18.560   227.49
4197.05   18.549   227.62
4207.05   18.538   227.75
4217.05   18.526   227.88
4227.05   18.514   228.01
4237.05   18.502   228.14
4247.05   18.490   228.27
4257.05   18.477   228.40
4267.05   18.464   228.53
4277.05   18.450   228.66
4287.05   18.436   228.79
4297.05   18.422   228.92
4307.05   18.407   229.05
4317.05   18.392   229.18
4327.05   18.377   229.31
4337.05   18.361   229.45
4347.05   18.345   229.58
4357.05   18.329   229.71
4367.05   18.312   229.84
4377.05   18.295   229.97
4387.05   18.277   230.11
4397.05   18.259   230.24
4407.05   18.241   230.37
4417.05   18.223   230.51
4427.05   18.204   230.64
4437.05   18.184   230.78
4447.05   18.165   230.91
4457.05   18.145   231.05
4467.05   18.124   231.18
4477.05   18.103   231.32
4487.05   18.082   231.45
4497.05   18.061   231.59
4507.05   18.039   231.73
4517.05   18.017   231.86
4527.05   17.994   232.00
4537.05   17.971   232.14
4547.05   17.948   232.27
4557.05   17.924   232.41
4567.05   17.900   232.55
4577.05   17.876   232.69
4587.05   17.851   232.83
4597.05   17.826   232.97
4607.05   17.801   233.11
4617.05   17.775   233.25
4627.05   17.748   233.39
4637.05   17.722   233.53
4647.05   17.695   233.67
4657.05   17.668   233.82
4667.05   17.640   233.96
4677.05   17.612   234.10
4687.05   17.583   234.25
4697.05   17.554   234.39
4707.05   17.525   234.53
4717.05   17.495   234.68
4727.05   17.465   234.83
4737.05   17.435   234.97
4747.05   17.404   235.12
4757.05   17.373   235.26
4767.05   17.342   235.41
4777.05   17.310   235.56
4787.05   17.278   235.71
4797.05   17.245   235.86
4807.05   17.212   236.01
4817.05   17.178   236.16
4827.05   17.145   236.31
4837.05   17.110   236.46
4847.05   17.076   236.61
4857.05   17.041   236.77
4867.05   17.006   236.92
4877.05   16.970   237.07
4887.05   16.934   237.23
4897.05   16.897   237.38
4907.05   16.860   237.54
4917.05   16.823   237.70
4927.05   16.785   237.85
4937.05   16.747   238.01
4947.05   16.709   238.17
4957.05   16.670   238.33
4967.05   16.630   238.49
4977.05   16.591   238.65
4987.05   16.551   238.81
4997.05   16.510   238.98
5007.05   16.469   239.14
5017.05   16.428   239.31
5027.05   16.386   239.47
5037.05   16.344   239.64
5047.05   16.302   239.80
5057.05   16.259   239.97
5067.05   16.216   240.14
5077.05   16.172   240.31
5087.05   16.128   240.48
5097.05   16.083   240.65
5107.05   16.038   240.82
5117.05   15.993   241.00
5127.05   15.947   241.17
5137.05   15.901   241.35
5147.05   15.854   241.52

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 15:04:07