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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 19:01:03

Orbital Elements for MUG10AA,AB
WDS: MUG10AA,AB WDS ID/Discoverer
P: 1256.000 Orbital period (years)
a: 2.4 Semi-major axis (arcseconds)
i: 104.0 Inclination (degrees)
Ω: 47.6 Longitude of ascending node (degrees)
T: 2001.300 Epoch of periastron passage (year)
e: 0.991 Eccentricity
ω: 160.9 Longitude of periastron (degrees)
Start-Year: 1397.0 Year
End-Year: 2653.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MUG10AA,AB
Position: 185305.87-501049.8 Epoch-2000 right ascension and declination
WDS-ID: 18531-5011 WDS designation
Discoverer Code: MUG10AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 174429 HD catalog number
Hipparcos number: 92680 Hipparcos catalog number
V1: 6.38k Magnitude of the primary
V2: 11.42k Magnitude of the secondary
Equinox: Equinox
Date: 2012 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for MUG10AA,AB
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 19:01:03 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 = [-3.587919846890124, -3.5877148051218875, -3.5874983546929875, -3.5872704935768907, -3.587031219674906, -3.586780530816119, -3.586518424757314, -3.5862448991828995, -3.5859599517048344, -3.5856635798625462, -3.585355781122846, -3.5850365528798496, -3.5847058924548847, -3.5843637970964033, -3.5840102639798914, -3.5836452902077696, -3.5832688728092994, -3.582881008740484, -3.5824816948839633, -3.5820709280489145, ...], y_list = [2.770361444292678, 2.77046320111681, 2.770556148078252, 2.770640282784814, 2.7707156027881834, 2.770782105583845, 2.770839788610996, 2.7708886492524805, 2.770928684834696, 2.770959892627523, 2.7709822698442177, 2.770995813641356, 2.7710005211187188, 2.7709963893192087, 2.770983415228768, 2.7709615957762628, 2.7709309278334047, 2.7708914082146427, 2.7708430336770644, 2.7707858009202946, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-3.587919846890124, -3.5877148051218875, -3.5874983546929875, -3.5872704935768907, -3.587031219674906, -3.586780530816119, -3.586518424757314, -3.5862448991828995, -3.5859599517048344, -3.5856635798625462, -3.585355781122846, -3.5850365528798496, -3.5847058924548847, -3.5843637970964033, -3.5840102639798914, -3.5836452902077696, -3.5832688728092994, -3.582881008740484, -3.5824816948839633, -3.5820709280489145, ...], y_list=[2.770361444292678, 2.77046320111681, 2.770556148078252, 2.770640282784814, 2.7707156027881834, 2.770782105583845, 2.770839788610996, 2.7708886492524805, 2.770928684834696, 2.770959892627523, 2.7709822698442177, 2.770995813641356, 2.7710005211187188, 2.7709963893192087, 2.770983415228768, 2.7709615957762628, 2.7709309278334047, 2.7708914082146427, 2.7708430336770644, 2.7707858009202946, ...])
    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([-0.01848799, -0.00215123, -0.06581642, ..., -0.14791459, -0.11062076, -0.06862893]), y = array([-0.00760368, 0.01488087, 0.08005869, ..., 0.0693361 , 0.04557635, 0.01993337]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.01848799, -0.00215123, -0.06581642, ..., -0.14791459, -0.11062076, -0.06862893]), array([-0.00760368, 0.01488087, 0.08005869, ..., 0.0693361 , 0.04557635, 0.01993337])], 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([-0.01848799, -0.00215123, -0.06581642, ..., -0.14791459, -0.11062076, -0.06862893]), array([-0.00760368, 0.01488087, 0.08005869, ..., 0.0693361 , 0.04557635, 0.01993337])], 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([[-0.01848799, -0.00215123, -0.06581642, .... 0.0693361 , 0.04557635, -0.00760368]]), w=array([1., 1., 1., ..., 1., 1., 1.]), u=array([0. , 0.00305744, 0.01308049, ..., 0.98343294, 0.98829743, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=1263, 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([[-0.01848799, -0.00215123, -0.06581642, .... 0.0693361 , 0.04557635, -0.00760368]]), w = array([1., 1., 1., ..., 1., 1., 1.]), u = array([0. , 0.00305744, 0.01308049, ..., 0.98343294, 0.98829743, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 1263, 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>