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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:45:04

Orbital Elements for G139-29
WDS: G139-29 WDS ID/Discoverer
P: 10.000 Orbital period (years)
a: 0.056 Semi-major axis (arcseconds)
i: 120.0 Inclination (degrees)
Ω: 30.0 Longitude of ascending node (degrees)
T: 1975.500 Epoch of periastron passage (year)
e: 0.2 Eccentricity
ω: 20.0 Longitude of periastron (degrees)
Start-Year: 2020.0 Year
End-Year: 2030.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for G139-29
Position: 171744.18+114010.8 Epoch-2000 right ascension and declination
WDS-ID: 17177+1140 WDS designation
Discoverer Code: G139-29 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 15.1 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: 1978 Date of last observation
Orbit grade: 9 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for G139-29
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:45:04 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 = [0.029227342094587355, 0.012782937438607731, -0.006559412287413894, -0.023985498479135496, -0.03278109783177443, -0.025122138447381634, -0.0009971490638349498, 0.02437690712743902, 0.03821630356743559, 0.038895387370842874, 0.029227342094587355], y_list = [-0.05958240725137856, -0.057838827070712605, -0.04278072998852964, -0.016590383430923866, 0.014775303671949794, 0.037781454015914845, 0.03522351079888065, 0.008714910079223884, -0.023185564680654993, -0.047600246988888775, -0.05958240725137856]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.029227342094587355, 0.012782937438607731, -0.006559412287413894, -0.023985498479135496, -0.03278109783177443, -0.025122138447381634, -0.0009971490638349498, 0.02437690712743902, 0.03821630356743559, 0.038895387370842874, 0.029227342094587355], y_list=[-0.05958240725137856, -0.057838827070712605, -0.04278072998852964, -0.016590383430923866, 0.014775303671949794, 0.037781454015914845, 0.03522351079888065, 0.008714910079223884, -0.023185564680654993, -0.047600246988888775, -0.05958240725137856])
    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([-0.0239855 , -0.00655941, 0.01278294, 0...1, -0.00099715, -0.02512214, -0.0327811 ]), y = array([-0.01659038, -0.04278073, -0.05783883, -0...1, 0.03522351, 0.03778145, 0.0147753 ]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.0239855 , -0.00655941, 0.01278294, 0...1, -0.00099715, -0.02512214, -0.0327811 ]), array([-0.01659038, -0.04278073, -0.05783883, -0...1, 0.03522351, 0.03778145, 0.0147753 ])], 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([-0.0239855 , -0.00655941, 0.01278294, 0...1, -0.00099715, -0.02512214, -0.0327811 ]), array([-0.01659038, -0.04278073, -0.05783883, -0...1, 0.03522351, 0.03778145, 0.0147753 ])], 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([[-0.0239855 , -0.00655941, 0.01278294, ... 0.03522351, 0.03778145, -0.01659038]]), w=array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u=array([0. , 0.11986723, 0.21327033, 0.276...1174, 0.70033553, 0.79277654, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=17, 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([[-0.0239855 , -0.00655941, 0.01278294, ... 0.03522351, 0.03778145, -0.01659038]]), w = array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u = array([0. , 0.11986723, 0.21327033, 0.276...1174, 0.70033553, 0.79277654, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 17, 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>