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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:53:06

Orbital Elements for HU1185
WDS: HU1185 WDS ID/Discoverer
P: 240.000 Orbital period (years)
a: 0.383 Semi-major axis (arcseconds)
i: 49.1 Inclination (degrees)
Ω: 14.6 Longitude of ascending node (degrees)
T: 1951.400 Epoch of periastron passage (year)
e: 0.65 Eccentricity
ω: 324.2 Longitude of periastron (degrees)
Start-Year: 1905.0 Year
End-Year: 2145.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1185
Position: 175904.61+322826.3 Epoch-2000 right ascension and declination
WDS-ID: 17591+3228 WDS designation
Discoverer Code: HU1185 Discover designation and components
ADS number: 10954 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 88057 Hipparcos catalog number
V1: 9.81 Magnitude of the primary
V2: 10.48 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2009 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HU1185
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:53:06 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 = [0.12712488653093065, 0.1296124396214929, 0.1320429886335336, 0.1344132525154127, 0.13671973762714607, 0.1389587188480778, 0.14112621861980648, 0.14321798365681554, 0.14522945901778328, 0.14715575918466847, 0.14899163574335497, 0.150731441197628, 0.15236908837615057, 0.1538980048083207, 0.15531108134764515, 0.15660061426067448, 0.15775823950467296, 0.15877485886403747, 0.1596405556220604, 0.16034449907170895, ...], y_list = [-0.4308120655990293, -0.4242124249980124, -0.41742625382999904, -0.41044954564023717, -0.403278124110543, -0.39590763479884056, -0.3883335366170194, -0.3805510930986234, -0.37255536353016794, -0.3643411940489522, -0.35590320884807825, -0.34723580167866136, -0.3383331279032837, -0.3291890974381575, -0.31979736903006584, -0.310151346040967, -0.30024417694740135, -0.2900687556252401, -0.27961773048510075, -0.268883518551132, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.12712488653093065, 0.1296124396214929, 0.1320429886335336, 0.1344132525154127, 0.13671973762714607, 0.1389587188480778, 0.14112621861980648, 0.14321798365681554, 0.14522945901778328, 0.14715575918466847, 0.14899163574335497, 0.150731441197628, 0.15236908837615057, 0.1538980048083207, 0.15531108134764515, 0.15660061426067448, 0.15775823950467296, 0.15877485886403747, 0.1596405556220604, 0.16034449907170895, ...], y_list=[-0.4308120655990293, -0.4242124249980124, -0.41742625382999904, -0.41044954564023717, -0.403278124110543, -0.39590763479884056, -0.3883335366170194, -0.3805510930986234, -0.37255536353016794, -0.3643411940489522, -0.35590320884807825, -0.34723580167866136, -0.3383331279032837, -0.3291890974381575, -0.31979736903006584, -0.310151346040967, -0.30024417694740135, -0.2900687556252401, -0.27961773048510075, -0.268883518551132, ...])
    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([-0.20933935, -0.21282246, -0.2160622 , -0...9, -0.1972875 , -0.20158726, -0.2055992 ]), y = array([-0.00668396, -0.01592105, -0.02514006, -0...1, 0.02102744, 0.01180284, 0.00256121]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.20933935, -0.21282246, -0.2160622 , -0...9, -0.1972875 , -0.20158726, -0.2055992 ]), array([-0.00668396, -0.01592105, -0.02514006, -0...1, 0.02102744, 0.01180284, 0.00256121])], 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([-0.20933935, -0.21282246, -0.2160622 , -0...9, -0.1972875 , -0.20158726, -0.2055992 ]), array([-0.00668396, -0.01592105, -0.02514006, -0...1, 0.02102744, 0.01180284, 0.00256121])], 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([[-2.09339346e-01, -2.12822461e-01, -2.160...e-02, 1.18028386e-02, -6.68395693e-03]]), w=array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1..., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u=array([0. , 0.00547467, 0.01089372, 0.016...3748, 0.98323888, 0.98888297, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=247, 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([[-2.09339346e-01, -2.12822461e-01, -2.160...e-02, 1.18028386e-02, -6.68395693e-03]]), w = array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1..., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u = array([0. , 0.00547467, 0.01089372, 0.016...3748, 0.98323888, 0.98888297, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 247, 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>