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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:10:07

Orbital Elements for FIN195
WDS: FIN195 WDS ID/Discoverer
P: 280.000 Orbital period (years)
a: 0.322 Semi-major axis (arcseconds)
i: 60.0 Inclination (degrees)
Ω: 96.1 Longitude of ascending node (degrees)
T: 2032.740 Epoch of periastron passage (year)
e: 0.754 Eccentricity
ω: 44.6 Longitude of periastron (degrees)
Start-Year: 1885.0 Year
End-Year: 2165.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN195
Position: 121544.74-804704.9 Epoch-2000 right ascension and declination
WDS-ID: 12157-8047 WDS designation
Discoverer Code: FIN195 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 106508 HD catalog number
Hipparcos number: 59798 Hipparcos catalog number
V1: 8.41 Magnitude of the primary
V2: 9.15 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2019 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for FIN195
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:10:07 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 = [0.3931379424055838, 0.39140736265455867, 0.3896400823313643, 0.3878363152739504, 0.38599627061566555, 0.38412015281414497, 0.3822081617664043, 0.3802604929199009, 0.37827733737988883, 0.3762588820134315, 0.3742053095504819, 0.372116798682483, 0.36999352415898, 0.36783565688277775, 0.3656433640042174, 0.36341680901518275, 0.36115615165368276, 0.35886154851969443, 0.35653315252613105, 0.3541711133338811, ...], y_list = [0.23337750196231669, 0.23429390436998265, 0.23518833803145855, 0.2360607482060867, 0.23691107766596278, 0.23773926671244866, 0.23854525314313102, 0.2393289722179702, 0.24009035662437778, 0.24082933644099103, 0.2415458390999367, 0.24223978934740112, 0.2429111092023542, 0.24355971791329611, 0.24418553191292677, 0.24478846477066443, 0.24536842719033714, 0.24592532682256, 0.2464590683771811, 0.24696955347577224, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.3931379424055838, 0.39140736265455867, 0.3896400823313643, 0.3878363152739504, 0.38599627061566555, 0.38412015281414497, 0.3822081617664043, 0.3802604929199009, 0.37827733737988883, 0.3762588820134315, 0.3742053095504819, 0.372116798682483, 0.36999352415898, 0.36783565688277775, 0.3656433640042174, 0.36341680901518275, 0.36115615165368276, 0.35886154851969443, 0.35653315252613105, 0.3541711133338811, ...], y_list=[0.23337750196231669, 0.23429390436998265, 0.23518833803145855, 0.2360607482060867, 0.23691107766596278, 0.23773926671244866, 0.23854525314313102, 0.2393289722179702, 0.24009035662437778, 0.24082933644099103, 0.2415458390999367, 0.24223978934740112, 0.2429111092023542, 0.24355971791329611, 0.24418553191292677, 0.24478846477066443, 0.24536842719033714, 0.24592532682256, 0.2464590683771811, 0.24696955347577224, ...])
    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([-0.09144265, -0.08420626, -0.07478193, -0...7, -0.10236444, -0.100248 , -0.0966992 ]), y = array([-7.72679143e-03, -1.54388137e-02, -2.2743...06e-02, 8.04584948e-03, 1.58474609e-04]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.09144265, -0.08420626, -0.07478193, -0...7, -0.10236444, -0.100248 , -0.0966992 ]), array([-7.72679143e-03, -1.54388137e-02, -2.2743...06e-02, 8.04584948e-03, 1.58474609e-04])], 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([-0.09144265, -0.08420626, -0.07478193, -0...7, -0.10236444, -0.100248 , -0.0966992 ]), array([-7.72679143e-03, -1.54388137e-02, -2.2743...06e-02, 8.04584948e-03, 1.58474609e-04])], 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([[-0.09144265, -0.08420626, -0.07478193, -... 0.01582214, 0.00804585, -0.00772679]]), 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. , 0.00807037, 0.01716947, 0.027...2444, 0.9800648 , 0.98621492, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=287, 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([[-0.09144265, -0.08420626, -0.07478193, -... 0.01582214, 0.00804585, -0.00772679]]), 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. , 0.00807037, 0.01716947, 0.027...2444, 0.9800648 , 0.98621492, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 287, 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>