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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:42:07

Orbital Elements for A1078
WDS: A1078 WDS ID/Discoverer
P: 1304.000 Orbital period (years)
a: 3.099 Semi-major axis (arcseconds)
i: 66.8 Inclination (degrees)
Ω: 139.7 Longitude of ascending node (degrees)
T: 1999.610 Epoch of periastron passage (year)
e: 0.968 Eccentricity
ω: 256.2 Longitude of periastron (degrees)
Start-Year: 1373.0 Year
End-Year: 2677.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1078
Position: 084534.82+844135.8 Epoch-2000 right ascension and declination
WDS-ID: 08456+8442 WDS designation
Discoverer Code: A1078 Discover designation and components
ADS number: 6902 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 42982 Hipparcos catalog number
V1: 9.92 Magnitude of the primary
V2: 9.97 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2001 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A1078
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:42:07 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 = [0.8715454702362682, 0.8728103891172783, 0.8740726412114991, 0.8753322220257698, 0.8765891270492795, 0.8778433517534812, 0.8790948915919766, 0.8803437420003909, 0.881589898396281, 0.8828333561789861, 0.8840741107295508, 0.8853121574105797, 0.8865474915661385, 0.8877801085216349, 0.8890100035836773, 0.8902371720399844, 0.8914616091592625, 0.8926833101910517, 0.8939022703656538, 0.8951184848939672, ...], y_list = [-2.583193149862504, -2.581693291739724, -2.580185545507214, -2.5786699138931097, -2.5771463995813173, -2.5756150052115436, -2.5740757333793516, -2.572528586636227, -2.570973567489602, -2.569410678402943, -2.5678399217957635, -2.566261300043694, -2.5646748154785146, -2.5630804703882015, -2.561478267016991, -2.559868207565394, -2.5582502941902434, -2.556624529004761, -2.5549909140785525, -2.5533494514376867, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.8715454702362682, 0.8728103891172783, 0.8740726412114991, 0.8753322220257698, 0.8765891270492795, 0.8778433517534812, 0.8790948915919766, 0.8803437420003909, 0.881589898396281, 0.8828333561789861, 0.8840741107295508, 0.8853121574105797, 0.8865474915661385, 0.8877801085216349, 0.8890100035836773, 0.8902371720399844, 0.8914616091592625, 0.8926833101910517, 0.8939022703656538, 0.8951184848939672, ...], y_list=[-2.583193149862504, -2.581693291739724, -2.580185545507214, -2.5786699138931097, -2.5771463995813173, -2.5756150052115436, -2.5740757333793516, -2.572528586636227, -2.570973567489602, -2.569410678402943, -2.5678399217957635, -2.566261300043694, -2.5646748154785146, -2.5630804703882015, -2.561478267016991, -2.559868207565394, -2.5582502941902434, -2.556624529004761, -2.5549909140785525, -2.5533494514376867, ...])
    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([-0.10416497, -0.14157441, -0.16703056, ..., 0.10381421, 0.03605927, -0.0443375 ]), y = array([-0.07354894, -0.14292506, -0.20063848, ..., 0.12144126, 0.08405168, 0.00984161]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.10416497, -0.14157441, -0.16703056, ..., 0.10381421, 0.03605927, -0.0443375 ]), array([-0.07354894, -0.14292506, -0.20063848, ..., 0.12144126, 0.08405168, 0.00984161])], 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([-0.10416497, -0.14157441, -0.16703056, ..., 0.10381421, 0.03605927, -0.0443375 ]), array([-0.07354894, -0.14292506, -0.20063848, ..., 0.12144126, 0.08405168, 0.00984161])], 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([[-0.10416497, -0.14157441, -0.16703056, .... 0.12144126, 0.08405168, -0.07354894]]), w=array([1., 1., 1., ..., 1., 1., 1.]), u=array([0. , 0.01151512, 0.02073051, ..., 0.95787519, 0.96918099, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=1311, 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([[-0.10416497, -0.14157441, -0.16703056, .... 0.12144126, 0.08405168, -0.07354894]]), w = array([1., 1., 1., ..., 1., 1., 1.]), u = array([0. , 0.01151512, 0.02073051, ..., 0.95787519, 0.96918099, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 1311, 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>