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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:40:36

Orbital Elements for BEU12AA,AB
WDS: BEU12AA,AB WDS ID/Discoverer
P: 66.000 Orbital period (years)
a: 0.977 Semi-major axis (arcseconds)
i: 78.3 Inclination (degrees)
Ω: 152.5 Longitude of ascending node (degrees)
T: 1993.290 Epoch of periastron passage (year)
e: 0.653 Eccentricity
ω: 273.7 Longitude of periastron (degrees)
Start-Year: 1992.0 Year
End-Year: 2058.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BEU12AA,AB
Position: 083137.58+192339.5 Epoch-2000 right ascension and declination
WDS-ID: 08317+1924 WDS designation
Discoverer Code: BEU12AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 41824 Hipparcos catalog number
V1: 11.89 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for BEU12AA,AB
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:40:36 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 = [0.052159601990886435, -0.04394784406981883, -0.13078004536248208, -0.1935305176158968, -0.23132248147013318, -0.2503814513212576, -0.25660341327806624, -0.2540563786381644, -0.24538899318720012, -0.2323438246260414, -0.21610071264671957, -0.19748423406271096, -0.17708826414455597, -0.15535232214088235, -0.1326097070334857, -0.1091187432042943, -0.0850836337653732, -0.060668738689864804, -0.036008581805851377, -0.011215014953725703, ...], y_list = [0.23107304002414808, 0.06446872228725863, -0.11457497543762653, -0.27336477944052967, -0.39761998802651705, -0.49007260340330727, -0.557608404583239, -0.606205970644064, -0.6402710315242948, -0.662960532071033, -0.6765583148853518, -0.6827505195393428, -0.6828102242541806, -0.6777195948916582, -0.6682515347752099, -0.6550252765912713, -0.6385450201464126, -0.6192273433111454, -0.5974210317393426, -0.5734216881226374, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.052159601990886435, -0.04394784406981883, -0.13078004536248208, -0.1935305176158968, -0.23132248147013318, -0.2503814513212576, -0.25660341327806624, -0.2540563786381644, -0.24538899318720012, -0.2323438246260414, -0.21610071264671957, -0.19748423406271096, -0.17708826414455597, -0.15535232214088235, -0.1326097070334857, -0.1091187432042943, -0.0850836337653732, -0.060668738689864804, -0.036008581805851377, -0.011215014953725703, ...], y_list=[0.23107304002414808, 0.06446872228725863, -0.11457497543762653, -0.27336477944052967, -0.39761998802651705, -0.49007260340330727, -0.557608404583239, -0.606205970644064, -0.6402710315242948, -0.662960532071033, -0.6765583148853518, -0.6827505195393428, -0.6828102242541806, -0.6777195948916582, -0.6682515347752099, -0.6550252765912713, -0.6385450201464126, -0.6192273433111454, -0.5974210317393426, -0.5734216881226374, ...])
    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([-0.13078005, -0.19353052, -0.23132248, -0...4, 0.0521596 , 0.0521596 , -0.04394784]), y = array([-0.11457498, -0.27336478, -0.39761999, -0...2, 0.23107304, 0.23107304, 0.06446872]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.13078005, -0.19353052, -0.23132248, -0...4, 0.0521596 , 0.0521596 , -0.04394784]), array([-0.11457498, -0.27336478, -0.39761999, -0...2, 0.23107304, 0.23107304, 0.06446872])], 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([-0.13078005, -0.19353052, -0.23132248, -0...4, 0.0521596 , 0.0521596 , -0.04394784]), array([-0.11457498, -0.27336478, -0.39761999, -0...2, 0.23107304, 0.23107304, 0.06446872])], 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([[-0.13078005, -0.19353052, -0.23132248, -... 0.23107304, 0.23107304, -0.11457498]]), 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. , 0.05334678, 0.09392583, 0.123...0545, 0.87781014, 0.87781014, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=73, 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([[-0.13078005, -0.19353052, -0.23132248, -... 0.23107304, 0.23107304, -0.11457498]]), 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. , 0.05334678, 0.09392583, 0.123...0545, 0.87781014, 0.87781014, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 73, 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>