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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:22:45

Orbital Elements for STT124
WDS: STT124 WDS ID/Discoverer
P: 140.000 Orbital period (years)
a: 0.3 Semi-major axis (arcseconds)
i: 80.0 Inclination (degrees)
Ω: 120.5 Longitude of ascending node (degrees)
T: 1912.000 Epoch of periastron passage (year)
e: 0.56 Eccentricity
ω: 350.0 Longitude of periastron (degrees)
Start-Year: 1955.0 Year
End-Year: 2095.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT124
Position: 055853.23+124829.8 Epoch-2000 right ascension and declination
WDS-ID: 05589+1248 WDS designation
Discoverer Code: STT124 Discover designation and components
ADS number: 4562 Aitken Double Star catalog
HD number: 40369 HD catalog number
Hipparcos number: 28302 Hipparcos catalog number
V1: 6.11 Magnitude of the primary
V2: 7.37 Magnitude of the secondary
Equinox: Equinox
Date: 1983 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for STT124
--> -->
 
 
ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:22:45 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 = [0.31305074222329893, 0.31933873019914705, 0.3253923376925742, 0.3312133068885093, 0.3368033037461444, 0.3421639172748447, 0.3472966576572371, 0.3522029557376892, 0.35688416260768663, 0.3613415494446, 0.3655763075447183, 0.3695895485015606, 0.37338230448881876, 0.3769555286141489, 0.3803100953157005, 0.38344680077794063, 0.38636636334719043, 0.38906942393047683, 0.39155654636392595, 0.39382821773909554, ...], y_list = [0.13562696832961763, 0.14020722199797223, 0.1446845757693021, 0.1490584932094722, 0.15332846927334465, 0.1574940239331958, 0.1615546953782409, 0.1655100346395247, 0.16935960065362743, 0.17310295584890906, 0.17673966218025983, 0.18026927754857167, 0.1836913525497919, 0.18700542750572743, 0.19021102973495707, 0.19330767102745594, 0.19629484529097982, 0.19917202634104594, 0.20193866580954356, 0.20459419114973423, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.31305074222329893, 0.31933873019914705, 0.3253923376925742, 0.3312133068885093, 0.3368033037461444, 0.3421639172748447, 0.3472966576572371, 0.3522029557376892, 0.35688416260768663, 0.3613415494446, 0.3655763075447183, 0.3695895485015606, 0.37338230448881876, 0.3769555286141489, 0.3803100953157005, 0.38344680077794063, 0.38636636334719043, 0.38906942393047683, 0.39155654636392595, 0.39382821773909554, ...], y_list=[0.13562696832961763, 0.14020722199797223, 0.1446845757693021, 0.1490584932094722, 0.15332846927334465, 0.1574940239331958, 0.1615546953782409, 0.1655100346395247, 0.16935960065362743, 0.17310295584890906, 0.17673966218025983, 0.18026927754857167, 0.1836913525497919, 0.18700542750572743, 0.19021102973495707, 0.19330767102745594, 0.19629484529097982, 0.19917202634104594, 0.20193866580954356, 0.20459419114973423, ...])
    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([-0.06420201, -0.07673338, -0.08805987, -0...7, -0.02240515, -0.03678754, -0.05079451]), y = array([-0.00813843, -0.0187561 , -0.02907655, -0...9, 0.02387036, 0.01329771, 0.00259329]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.06420201, -0.07673338, -0.08805987, -0...7, -0.02240515, -0.03678754, -0.05079451]), array([-0.00813843, -0.0187561 , -0.02907655, -0...9, 0.02387036, 0.01329771, 0.00259329])], 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([-0.06420201, -0.07673338, -0.08805987, -0...7, -0.02240515, -0.03678754, -0.05079451]), array([-0.00813843, -0.0187561 , -0.02907655, -0...9, 0.02387036, 0.01329771, 0.00259329])], 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([[-0.06420201, -0.07673338, -0.08805987, -... 0.02387036, 0.01329771, -0.00813843]]), 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. , 0.01335574, 0.02581582, 0.037...3944, 0.95718712, 0.97170212, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=147, 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([[-0.06420201, -0.07673338, -0.08805987, -... 0.02387036, 0.01329771, -0.00813843]]), 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. , 0.01335574, 0.02581582, 0.037...3944, 0.95718712, 0.97170212, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 147, 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>