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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 16:45:55

Orbital Elements for FIN361AA,AB
WDS: FIN361AA,AB WDS ID/Discoverer
P: 200.000 Orbital period (years)
a: 0.224 Semi-major axis (arcseconds)
i: 62.9 Inclination (degrees)
Ω: 89.0 Longitude of ascending node (degrees)
T: 2000.960 Epoch of periastron passage (year)
e: 0.4 Eccentricity
ω: 257.9 Longitude of periastron (degrees)
Start-Year: 1925.0 Year
End-Year: 2125.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN361AA,AB
Position: 031003.26-635449.1 Epoch-2000 right ascension and declination
WDS-ID: 03101-6355 WDS designation
Discoverer Code: FIN361AA,AB Discover designation and components
ADS number: 20060 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 14709 Hipparcos catalog number
V1: 7.35 Magnitude of the primary
V2: 7.59 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for FIN361AA,AB
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 16:45:55 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 = [0.04318315901771713, 0.04777408361725098, 0.052345259231257, 0.05689454281643187, 0.06141974078376199, 0.0659186058516407, 0.07038883374801874, 0.07482805975133465, 0.07923385505940647, 0.0836037229748258, 0.0879350948947647, 0.09222532609242347, 0.09647169127665892, 0.10067137991563421, 0.1048214913095875, 0.10891902939713015, 0.11296089727874224, 0.11694389144047236, 0.12086469566019048, 0.12471987457817178, ...], y_list = [-0.13609284281181447, -0.13532169476626346, -0.13449461787335487, -0.1336113025738608, -0.13267143467713322, -0.1316746955681448, -0.13062076245239665, -0.12950930864288668, -0.12834000389382652, -0.1271125147863523, -0.12582650517209037, -0.12448163668113614, -0.1230775693017778, -0.12161396204016646, -0.12009047366910969, -0.11850676357625685, -0.11686249272317142, -0.11515732472816076, -0.11339092708727935, -0.11156297254965497, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.04318315901771713, 0.04777408361725098, 0.052345259231257, 0.05689454281643187, 0.06141974078376199, 0.0659186058516407, 0.07038883374801874, 0.07482805975133465, 0.07923385505940647, 0.0836037229748258, 0.0879350948947647, 0.09222532609242347, 0.09647169127665892, 0.10067137991563421, 0.1048214913095875, 0.10891902939713015, 0.11296089727874224, 0.11694389144047236, 0.12086469566019048, 0.12471987457817178, ...], y_list=[-0.13609284281181447, -0.13532169476626346, -0.13449461787335487, -0.1336113025738608, -0.13267143467713322, -0.1316746955681448, -0.13062076245239665, -0.12950930864288668, -0.12834000389382652, -0.1271125147863523, -0.12582650517209037, -0.12448163668113614, -0.1230775693017778, -0.12161396204016646, -0.12009047366910969, -0.11850676357625685, -0.11686249272317142, -0.11515732472816076, -0.11339092708727935, -0.11156297254965497, ...])
    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([-0.20871583, -0.21134918, -0.21373577, -0...8, -0.19926033, -0.202679 , -0.20582829]), y = array([-6.60677984e-05, -3.21954626e-03, -6.3692...12e-03, 6.23703942e-03, 3.08746376e-03]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.20871583, -0.21134918, -0.21373577, -0...8, -0.19926033, -0.202679 , -0.20582829]), array([-6.60677984e-05, -3.21954626e-03, -6.3692...12e-03, 6.23703942e-03, 3.08746376e-03])], 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([-0.20871583, -0.21134918, -0.21373577, -0...8, -0.19926033, -0.202679 , -0.20582829]), array([-6.60677984e-05, -3.21954626e-03, -6.3692...12e-03, 6.23703942e-03, 3.08746376e-03])], 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([[-2.08715829e-01, -2.11349175e-01, -2.137...37829312e-03, 6.23703942e-03, -6.60677984e-05]]), 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. , 0.00412885, 0.00810032, 0.011...9704, 0.98656305, 0.99122887, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=207, 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([[-2.08715829e-01, -2.11349175e-01, -2.137...37829312e-03, 6.23703942e-03, -6.60677984e-05]]), 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. , 0.00412885, 0.00810032, 0.011...9704, 0.98656305, 0.99122887, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 207, 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>