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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 16:45:13

Orbital Elements for A2414
WDS: A2414 WDS ID/Discoverer
P: 256.000 Orbital period (years)
a: 0.432 Semi-major axis (arcseconds)
i: 53.0 Inclination (degrees)
Ω: 22.7 Longitude of ascending node (degrees)
T: 1906.000 Epoch of periastron passage (year)
e: 0.3 Eccentricity
ω: 269.0 Longitude of periastron (degrees)
Start-Year: 1897.0 Year
End-Year: 2153.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A2414
Position: 030215.57+181945.0 Epoch-2000 right ascension and declination
WDS-ID: 03023+1820 WDS designation
Discoverer Code: A2414 Discover designation and components
ADS number: 2301 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 14132 Hipparcos catalog number
V1: 10.54 Magnitude of the primary
V2: 10.41 Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for A2414
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 16:45:13 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 = [0.20586868944620587, 0.20320378573556125, 0.2001992620363951, 0.19685633107093473, 0.19317732586594313, 0.18916572019997552, 0.1848261356483158, 0.18016433678605326, 0.17518721312342836, 0.16990274796571916, 0.16431997449741403, 0.15844891972033662, 0.1523005371887395, 0.14588662976714892, 0.13921976387640017, 0.13231317687984706, 0.1251806798996713, 0.11783655562352918, 0.11029545752489907, 0.10257230714981223, ...], y_list = [-0.056890742363878775, -0.043384614251688484, -0.029806019537689275, -0.0161770818138204, -0.0025205609134428784, 0.01114026932951905, 0.024781759261224036, 0.038380026761294615, 0.05191110787677485, 0.06535111127647555, 0.07867637386218809, 0.09186361479595435, 0.1048900852182288, 0.11773371104049844, 0.1303732263930586, 0.14278829558450334, 0.15495962091962423, 0.1668690388628125, 0.17849959565040366, 0.1898356106832993, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.20586868944620587, 0.20320378573556125, 0.2001992620363951, 0.19685633107093473, 0.19317732586594313, 0.18916572019997552, 0.1848261356483158, 0.18016433678605326, 0.17518721312342836, 0.16990274796571916, 0.16431997449741403, 0.15844891972033662, 0.1523005371887395, 0.14588662976714892, 0.13921976387640017, 0.13231317687984706, 0.1251806798996713, 0.11783655562352918, 0.11029545752489907, 0.10257230714981223, ...], y_list=[-0.056890742363878775, -0.043384614251688484, -0.029806019537689275, -0.0161770818138204, -0.0025205609134428784, 0.01114026932951905, 0.024781759261224036, 0.038380026761294615, 0.05191110787677485, 0.06535111127647555, 0.07867637386218809, 0.09186361479595435, 0.1048900852182288, 0.11773371104049844, 0.1303732263930586, 0.14278829558450334, 0.15495962091962423, 0.1668690388628125, 0.17849959565040366, 0.1898356106832993, ...])
    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([-0.35074179, -0.34925189, -0.34766352, -0...3, -0.35461265, -0.35342297, -0.35213242]), y = array([-0.0031365 , -0.0106201 , -0.01810071, -0...4, 0.01931111, 0.01183123, 0.00434798]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.35074179, -0.34925189, -0.34766352, -0...3, -0.35461265, -0.35342297, -0.35213242]), array([-0.0031365 , -0.0106201 , -0.01810071, -0...4, 0.01931111, 0.01183123, 0.00434798])], 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([-0.35074179, -0.34925189, -0.34766352, -0...3, -0.35461265, -0.35342297, -0.35213242]), array([-0.0031365 , -0.0106201 , -0.01810071, -0...4, 0.01931111, 0.01183123, 0.00434798])], 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([[-0.35074179, -0.34925189, -0.34766352, -... 0.01931111, 0.01183123, -0.0031365 ]]), 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. , 0.00356814, 0.00714419, 0.010...1577, 0.98934774, 0.99288942, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=263, 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([[-0.35074179, -0.34925189, -0.34766352, -... 0.01931111, 0.01183123, -0.0031365 ]]), 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. , 0.00356814, 0.00714419, 0.010...1577, 0.98934774, 0.99288942, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 263, 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>