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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:01:13

Orbital Elements for I212
WDS: I212 WDS ID/Discoverer
P: 246.000 Orbital period (years)
a: 0.599 Semi-major axis (arcseconds)
i: 49.2 Inclination (degrees)
Ω: 191.1 Longitude of ascending node (degrees)
T: 2002.000 Epoch of periastron passage (year)
e: 0.51 Eccentricity
ω: 118.8 Longitude of periastron (degrees)
Start-Year: 1902.0 Year
End-Year: 2148.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I212
Position: 105913.89-813322.8 Epoch-2000 right ascension and declination
WDS-ID: 10592-8133 WDS designation
Discoverer Code: I212 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 95788 HD catalog number
Hipparcos number: 53700 Hipparcos catalog number
V1: 7.57 Magnitude of the primary
V2: 7.58 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2013 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I212
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:01:13 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 = [-0.3088608920424421, -0.3030162987726895, -0.2971091918233695, -0.2911403353026696, -0.2851105010594408, -0.2790204695749437, -0.27287103089234155, -0.266662985586825, -0.26039714577946615, -0.25407433619810843, -0.24769539528884535, -0.24126117638188507, -0.2347725489158897, -0.22823039972517803, -0.22163563439450626, -0.21498917868651662, -0.20829198004731536, -0.2015450091961015, -0.19474926180519722, -0.18790576027737746, ...], y_list = [-0.6582515201574919, -0.6624716963402819, -0.6665551972894289, -0.670500160466607, -0.6743046862493804, -0.6779668364591283, -0.6814846328397097, -0.6848560554841527, -0.6880790412065215, -0.691151481855994, -0.694071222570055, -0.6968360599635719, -0.6994437402503763, -0.7018919572938221, -0.7041783505826454, -0.7063005031282681, -0.7082559392795458, -0.7100421224507514, -0.7116564527584439, -0.7130962645626523, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.3088608920424421, -0.3030162987726895, -0.2971091918233695, -0.2911403353026696, -0.2851105010594408, -0.2790204695749437, -0.27287103089234155, -0.266662985586825, -0.26039714577946615, -0.25407433619810843, -0.24769539528884535, -0.24126117638188507, -0.2347725489158897, -0.22823039972517803, -0.22163563439450626, -0.21498917868651662, -0.20829198004731536, -0.2015450091961015, -0.19474926180519722, -0.18790576027737746, ...], y_list=[-0.6582515201574919, -0.6624716963402819, -0.6665551972894289, -0.670500160466607, -0.6743046862493804, -0.6779668364591283, -0.6814846328397097, -0.6848560554841527, -0.6880790412065215, -0.691151481855994, -0.694071222570055, -0.6968360599635719, -0.6994437402503763, -0.7018919572938221, -0.7041783505826454, -0.7063005031282681, -0.7082559392795458, -0.7100421224507514, -0.7116564527584439, -0.7130962645626523, ...])
    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([-0.4999674 , -0.50212659, -0.50412779, -0...3, -0.49251573, -0.49516467, -0.49764764]), y = array([-0.00940334, -0.01974575, -0.03008196, -0...5, 0.02162847, 0.01128717, 0.00094208]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.4999674 , -0.50212659, -0.50412779, -0...3, -0.49251573, -0.49516467, -0.49764764]), array([-0.00940334, -0.01974575, -0.03008196, -0...5, 0.02162847, 0.01128717, 0.00094208])], 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([-0.4999674 , -0.50212659, -0.50412779, -0...3, -0.49251573, -0.49516467, -0.49764764]), array([-0.00940334, -0.01974575, -0.03008196, -0...5, 0.02162847, 0.01128717, 0.00094208])], 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([[-0.4999674 , -0.50212659, -0.50412779, -... 0.02162847, 0.01128717, -0.00940334]]), 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. , 0.0036514 , 0.00728994, 0.010...6812, 0.98896989, 0.99265924, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=253, 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([[-0.4999674 , -0.50212659, -0.50412779, -... 0.02162847, 0.01128717, -0.00940334]]), 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. , 0.0036514 , 0.00728994, 0.010...6812, 0.98896989, 0.99265924, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 253, 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>