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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:28:02

Orbital Elements for COU1136
WDS: COU1136 WDS ID/Discoverer
P: 250.000 Orbital period (years)
a: 0.431 Semi-major axis (arcseconds)
i: 109.8 Inclination (degrees)
Ω: 76.9 Longitude of ascending node (degrees)
T: 2009.500 Epoch of periastron passage (year)
e: 0.835 Eccentricity
ω: 65.9 Longitude of periastron (degrees)
Start-Year: 1900.0 Year
End-Year: 2150.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1136
Position: 145849.32+355058.7 Epoch-2000 right ascension and declination
WDS-ID: 14588+3551 WDS designation
Discoverer Code: COU1136 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 132583 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.9 Magnitude of the primary
V2: 10.5 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: n Flags

Double Star Orbit for COU1136
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:28:02 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 = [0.20976913681532747, 0.20639248263019305, 0.20299397355720378, 0.19957387380554087, 0.19613244686034914, 0.1926699556818999, 0.1891866629081243, 0.18568283106098335, 0.18215872275714776, 0.17861460092350495, 0.17505072901800683, 0.17146737125643116, 0.16786479284564582, 0.16424326022398983, 0.16060304130944725, 0.1569444057563136, 0.15326762522109685, 0.14957297363847272, 0.14586072750812337, 0.1421311661933979, ...], y_list = [-0.30392729548497277, -0.30318326604187174, -0.30240713222016485, -0.3015988336710151, -0.3007583047915166, -0.299885474663304, -0.2989802669861238, -0.29804260000622673, -0.2970723864394185, -0.2960695333886019, -0.29503394225562163, -0.29396550864721444, -0.29286412227485104, -0.2917296668482342, -0.2905620199622101, -0.28936105297682296, -0.2881266308902271, -0.2868586122041523, -0.28555684878158977, -0.2842211856963497, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.20976913681532747, 0.20639248263019305, 0.20299397355720378, 0.19957387380554087, 0.19613244686034914, 0.1926699556818999, 0.1891866629081243, 0.18568283106098335, 0.18215872275714776, 0.17861460092350495, 0.17505072901800683, 0.17146737125643116, 0.16786479284564582, 0.16424326022398983, 0.16060304130944725, 0.1569444057563136, 0.15326762522109685, 0.14957297363847272, 0.14586072750812337, 0.1421311661933979, ...], y_list=[-0.30392729548497277, -0.30318326604187174, -0.30240713222016485, -0.3015988336710151, -0.3007583047915166, -0.299885474663304, -0.2989802669861238, -0.29804260000622673, -0.2970723864394185, -0.2960695333886019, -0.29503394225562163, -0.29396550864721444, -0.29286412227485104, -0.2917296668482342, -0.2905620199622101, -0.28936105297682296, -0.2881266308902271, -0.2868586122041523, -0.28555684878158977, -0.2842211856963497, ...])
    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([-0.13098539, -0.13538968, -0.13845062, -0...5, -0.10481625, -0.11639088, -0.1248413 ]), y = array([-0.00121978, -0.00789168, -0.0144882 , -0...3, 0.01827725, 0.01203878, 0.00546375]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.13098539, -0.13538968, -0.13845062, -0...5, -0.10481625, -0.11639088, -0.1248413 ]), array([-0.00121978, -0.00789168, -0.0144882 , -0...3, 0.01827725, 0.01203878, 0.00546375])], 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([-0.13098539, -0.13538968, -0.13845062, -0...5, -0.10481625, -0.11639088, -0.1248413 ]), array([-0.00121978, -0.00789168, -0.0144882 , -0...3, 0.01827725, 0.01203878, 0.00546375])], 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([[-0.13098539, -0.13538968, -0.13845062, -... 0.01827725, 0.01203878, -0.00121978]]), 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. , 0.00599785, 0.01145372, 0.016...6429, 0.97534199, 0.98520683, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=257, 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([[-0.13098539, -0.13538968, -0.13845062, -... 0.01827725, 0.01203878, -0.00121978]]), 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. , 0.00599785, 0.01145372, 0.016...6429, 0.97534199, 0.98520683, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 257, 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>