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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:52:54

Orbital Elements for GJ699AA1

WDS:	GJ699AA1	WDS ID/Discoverer
P:	12.000	Orbital period (years)
a:	0.0074	Semi-major axis (arcseconds)
i:	61.0	Inclination (degrees)
Ω:	90.0	Longitude of ascending node (degrees)
T:	1951.000	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	0.0	Longitude of periastron (degrees)
Start-Year:	2019.0	Year
End-Year:	2031.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for GJ699AA1

Position:	175748.49+044136.2	Epoch-2000 right ascension and declination
WDS-ID:	17578+0442	WDS designation
Discoverer Code:	GJ699AA1	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	87937	Hipparcos catalog number
V1:	9.54	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1968	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for GJ699AA1

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ValueError

Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:52:54 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 = [0.0037000000000000314, 1.472407516197871e-17, -0.0036999999999999607, -0.0064085879880048345, -0.0074, -0.006408587988004861, -0.0037000000000000084, -4.0107917753733374e-17, 0.0036999999999999846, 0.006408587988004848, 0.0074, 0.006408587988004849, 0.0037000000000000314], y_list = [0.003106945108779858, 0.0035875911898228946, 0.0031069451087798786, 0.0017937955949114577, 4.531193156845207e-19, -0.001793795594911434, -0.0031069451087798647, -0.0035875911898228946, -0.0031069451087798717, -0.0017937955949114462, -1.3638156816439068e-17, 0.0017937955949114447, 0.003106945108779858]

/var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.0037000000000000314, 1.472407516197871e-17, -0.0036999999999999607, -0.0064085879880048345, -0.0074, -0.006408587988004861, -0.0037000000000000084, -4.0107917753733374e-17, 0.0036999999999999846, 0.006408587988004848, 0.0074, 0.006408587988004849, 0.0037000000000000314], y_list=[0.003106945108779858, 0.0035875911898228946, 0.0031069451087798786, 0.0017937955949114577, 4.531193156845207e-19, -0.001793795594911434, -0.0031069451087798647, -0.0035875911898228946, -0.0031069451087798717, -0.0017937955949114462, -1.3638156816439068e-17, 0.0017937955949114447, 0.003106945108779858])

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([-6.40858799e-03, -3.70000000e-03, -4.0107...00e-03, -6.40858799e-03, -7.40000000e-03]), y = array([-1.79379559e-03, -3.10694511e-03, -3.5875...11e-03, 1.79379559e-03, 4.53119316e-19]), s undefined, per undefined

/usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-6.40858799e-03, -3.70000000e-03, -4.0107...00e-03, -6.40858799e-03, -7.40000000e-03]), array([-1.79379559e-03, -3.10694511e-03, -3.5875...11e-03, 1.79379559e-03, 4.53119316e-19])], 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([-6.40858799e-03, -3.70000000e-03, -4.0107...00e-03, -6.40858799e-03, -7.40000000e-03]), array([-1.79379559e-03, -3.10694511e-03, -3.5875...11e-03, 1.79379559e-03, 4.53119316e-19])], 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([[-6.40858799e-03, -3.70000000e-03, -4.010...e-03, 1.79379559e-03, -1.79379559e-03]]), w=array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u=array([0. , 0.08686836, 0.19454305, 0.302...2342, 0.80959811, 0.89646647, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=19, 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([[-6.40858799e-03, -3.70000000e-03, -4.010...e-03, 1.79379559e-03, -1.79379559e-03]]), w = array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u = array([0. , 0.08686836, 0.19454305, 0.302...2342, 0.80959811, 0.89646647, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 19, 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>