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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 19:34:30

Orbital Elements for COU234
WDS: COU234 WDS ID/Discoverer
P: 300.000 Orbital period (years)
a: 0.513 Semi-major axis (arcseconds)
i: 115.3 Inclination (degrees)
Ω: 133.9 Longitude of ascending node (degrees)
T: 1987.560 Epoch of periastron passage (year)
e: 0.693 Eccentricity
ω: 176.2 Longitude of periastron (degrees)
Start-Year: 1875.0 Year
End-Year: 2175.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU234
Position: 223042.61+175828.0 Epoch-2000 right ascension and declination
WDS-ID: 22307+1758 WDS designation
Discoverer Code: COU234 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 213392 HD catalog number
Hipparcos number: 111125 Hipparcos catalog number
V1: 9.68 Magnitude of the primary
V2: 9.13 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2007 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for COU234
--> -->
 
 
ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 19:34:30 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 = [-0.6259869300366415, -0.625316196457367, -0.6245801841341424, -0.623778453739801, -0.6229105544990519, -0.6219760238865786, -0.6209743873131356, -0.6199051577991057, -0.6187678355738749, -0.6175619079383928, -0.6162868486045037, -0.6149421174906654, -0.6135271602820103, -0.6120414080150841, -0.6104842766452349, -0.6088551665957974, -0.6071534622881826, -0.6053785316519161, -0.6035297256136288, -0.601606377563929, ...], y_list = [-0.5351926947894876, -0.5319064946750055, -0.5285647675207661, -0.5251674253820797, -0.5217143752061071, -0.5182055188075397, -0.5146407528433625, -0.5110199687867875, -0.5073430527073559, -0.5036098859378025, -0.49982034409339604, -0.4959742976297069, -0.49207161167740543, -0.48811214601337294, -0.4840957550319386, -0.4800222877164473, -0.47589158761138584, -0.4717034927953328, -0.4674578358550017, -0.46315444386070376, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.6259869300366415, -0.625316196457367, -0.6245801841341424, -0.623778453739801, -0.6229105544990519, -0.6219760238865786, -0.6209743873131356, -0.6199051577991057, -0.6187678355738749, -0.6175619079383928, -0.6162868486045037, -0.6149421174906654, -0.6135271602820103, -0.6120414080150841, -0.6104842766452349, -0.6088551665957974, -0.6071534622881826, -0.6053785316519161, -0.6035297256136288, -0.601606377563929, ...], y_list=[-0.5351926947894876, -0.5319064946750055, -0.5285647675207661, -0.5251674253820797, -0.5217143752061071, -0.5182055188075397, -0.5146407528433625, -0.5110199687867875, -0.5073430527073559, -0.5036098859378025, -0.49982034409339604, -0.4959742976297069, -0.49207161167740543, -0.48811214601337294, -0.4840957550319386, -0.4800222877164473, -0.47589158761138584, -0.4717034927953328, -0.4674578358550017, -0.46315444386070376, ...])
    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([-2.05126169e-01, -2.16377785e-01, -2.2736...70e-01, -1.81814217e-01, -1.93607200e-01]), y = array([-0.00589196, -0.01449211, -0.02307494, -0...7, 0.01990538, 0.01131938, 0.00271572]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-2.05126169e-01, -2.16377785e-01, -2.2736...70e-01, -1.81814217e-01, -1.93607200e-01]), array([-0.00589196, -0.01449211, -0.02307494, -0...7, 0.01990538, 0.01131938, 0.00271572])], 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([-2.05126169e-01, -2.16377785e-01, -2.2736...70e-01, -1.81814217e-01, -1.93607200e-01]), array([-0.00589196, -0.01449211, -0.02307494, -0...7, 0.01990538, 0.01131938, 0.00271572])], 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([[-2.05126169e-01, -2.16377785e-01, -2.273...e-02, 1.13193837e-02, -5.89196464e-03]]), 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. , 0.00627554, 0.01245502, 0.018...344 , 0.98059454, 0.98715946, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=307, 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([[-2.05126169e-01, -2.16377785e-01, -2.273...e-02, 1.13193837e-02, -5.89196464e-03]]), 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. , 0.00627554, 0.01245502, 0.018...344 , 0.98059454, 0.98715946, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 307, 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>