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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:13:06

Orbital Elements for FIN65AB
WDS: FIN65AB WDS ID/Discoverer
P: 200.000 Orbital period (years)
a: 0.404 Semi-major axis (arcseconds)
i: 111.3 Inclination (degrees)
Ω: 48.7 Longitude of ascending node (degrees)
T: 1952.750 Epoch of periastron passage (year)
e: 0.518 Eccentricity
ω: 143.7 Longitude of periastron (degrees)
Start-Year: 1925.0 Year
End-Year: 2125.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN65AB
Position: 124434.99-571712.8 Epoch-2000 right ascension and declination
WDS-ID: 12446-5717 WDS designation
Discoverer Code: FIN65AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 110698 HD catalog number
Hipparcos number: 62179 Hipparcos catalog number
V1: 6.99 Magnitude of the primary
V2: 8.18 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2010 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for FIN65AB
--> -->
 
 
ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:13:06 2025

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /var/www/cgi-bin/ds_orbit.py in <module>
    891 
    892 # Smooth curve if necessary
=>  893 x_smooth, y_smooth = Q_get_smoothed_orbit(x_list, y_list)
    894 plt.plot(x_smooth, y_smooth, label=f'Orbit of {wds}', color='#528B8B')
    895 
x_smooth undefined, y_smooth undefined, Q_get_smoothed_orbit = <function Q_get_smoothed_orbit>, x_list = [-0.1846318965256575, -0.17360810721447, -0.16233649010912574, -0.15081836286591202, -0.13905612654881866, -0.12705349763630425, -0.11481578498513634, -0.10235021974302017, -0.08966634715526411, -0.07677648997769239, -0.06369629355581669, -0.05044536219375894, -0.03704799466423785, -0.023534022803871193, -0.00993974999013579, 0.0036910255333248215, 0.017305935745597682, 0.030842975999717227, 0.044229541316592895, 0.05738170837183797, ...], y_list = [0.25641203695722514, 0.24972972518153508, 0.2426907880106516, 0.2352831653174377, 0.2274945367308034, 0.2193124066280242, 0.2107242208933362, 0.2017175241399137, 0.19228016815120988, 0.1824005846993547, 0.17206813860225734, 0.1612735797608131, 0.15000961570187224, 0.13827162833959009, 0.12605855940857238, 0.11337398697797788, 0.10022740865327771, 0.08663573282221503, 0.07262495467758204, 0.05823195182052096, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.1846318965256575, -0.17360810721447, -0.16233649010912574, -0.15081836286591202, -0.13905612654881866, -0.12705349763630425, -0.11481578498513634, -0.10235021974302017, -0.08966634715526411, -0.07677648997769239, -0.06369629355581669, -0.05044536219375894, -0.03704799466423785, -0.023534022803871193, -0.00993974999013579, 0.0036910255333248215, 0.017305935745597682, 0.030842975999717227, 0.044229541316592895, 0.05738170837183797, ...], y_list=[0.25641203695722514, 0.24972972518153508, 0.2426907880106516, 0.2352831653174377, 0.2274945367308034, 0.2193124066280242, 0.2107242208933362, 0.2017175241399137, 0.19228016815120988, 0.1824005846993547, 0.17206813860225734, 0.1612735797608131, 0.15000961570187224, 0.13827162833959009, 0.12605855940857238, 0.11337398697797788, 0.10022740865327771, 0.08663573282221503, 0.07262495467758204, 0.05823195182052096, ...])
    272     # Nur wenn ausreichend Punkte vorhanden sind
    273     if len(x) >= 4:
=>  274         tck, u = splprep([x, y], s=0.0, per=True) # per=True für geschlossene Kurve (Orbit)
    275         u_fine = np.linspace(0, 1, 300)           # Feinere Parameterwerte
    276         return splev(u_fine, tck)
tck undefined, u undefined, splprep = <function splprep>, x = array([-0.26773893, -0.26063584, -0.25341574, -0...3, -0.28834203, -0.2815924 , -0.27472458]), y = array([-0.001796 , -0.00769861, -0.01359774, -0...4, 0.01590651, 0.01000905, 0.0041074 ]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.26773893, -0.26063584, -0.25341574, -0...3, -0.28834203, -0.2815924 , -0.27472458]), array([-0.001796 , -0.00769861, -0.01359774, -0...4, 0.01590651, 0.01000905, 0.0041074 ])], w=None, u=None, ub=None, ue=None, k=3, task=0, s=0.0, t=None, full_output=0, nest=None, per=True, quiet=1)
    153     """
    154 
=>  155     res = _impl.splprep(x, w, u, ub, ue, k, task, s, t, full_output, nest, per,
=>  156                         quiet)
    157     return res
res undefined, global _impl = <module 'scipy.interpolate._fitpack_impl' from '...ist-packages/scipy/interpolate/_fitpack_impl.py'>, _impl.splprep = <function splprep>, x = [array([-0.26773893, -0.26063584, -0.25341574, -0...3, -0.28834203, -0.2815924 , -0.27472458]), array([-0.001796 , -0.00769861, -0.01359774, -0...4, 0.01590651, 0.01000905, 0.0041074 ])], w = None, u = None, ub = None, ue = None, k = 3, task = 0, s = 0.0, t = None, full_output = 0, nest = None, per = True, quiet = 1
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_impl.py in splprep(x=array([[-0.26773893, -0.26063584, -0.25341574, -... 0.01590651, 0.01000905, -0.001796 ]]), w=array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1... 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u=array([0. , 0.00536138, 0.01077389, 0.016...8162, 0.98423073, 0.98943398, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=207, per=True, quiet=1)
    172     wrk = _parcur_cache['wrk']
    173     iwrk = _parcur_cache['iwrk']
=>  174     t, c, o = _fitpack._parcur(ravel(transpose(x)), w, u, ub, ue, k,
=>  175                                task, ipar, s, t, nest, wrk, iwrk, per)
    176     _parcur_cache['u'] = o['u']
t = array([], dtype=float64), c undefined, o undefined, global _fitpack = <module 'scipy.interpolate._fitpack' from '/usr/...polate/_fitpack.cpython-312-x86_64-linux-gnu.so'>, _fitpack._parcur = <built-in function _parcur>, global ravel = <function ravel>, global transpose = <function transpose>, x = array([[-0.26773893, -0.26063584, -0.25341574, -... 0.01590651, 0.01000905, -0.001796 ]]), w = array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1... 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u = array([0. , 0.00536138, 0.01077389, 0.016...8162, 0.98423073, 0.98943398, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 207, wrk = array([], dtype=float64), iwrk = array([], dtype=int32), per = True

ValueError: Invalid inputs.
      add_note = <built-in method add_note of ValueError object>
      args = ('Invalid inputs.',)
      with_traceback = <built-in method with_traceback of ValueError object>