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13031 Durance (1989 SN4)
Classification: Main-belt Asteroid          SPK-ID: 2013031
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326657559273247 6.5319e-08  
a 2.599044666436854 2.1993e-08 au
q 2.254240441075127 1.811e-07 au
i 4.259751299686562 5.8563e-06 deg
node 157.2086080004806 6.7794e-05 deg
peri 52.66734215722111 7.4876e-05 deg
M 310.7819750654775 4.1083e-05 deg
tp 2457809.738078397039
(2017-Feb-25.23807840)
0.00017663 JED
period 1530.4496335061
4.19
1.9426e-05
5.319e-08
d
yr
n .2352249901718606 2.9857e-09 deg/d
Q 2.94384889179858 2.4911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      13498 days (36.96 yr)  
   first obs. used      1979-04-24  
   last obs. used      2016-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49525  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:15:36  

Additional Information
 Earth MOID = 1.25193 au 
 Jupiter MOID = 2.02171 au 
 T_jup = 3.399 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO319247  

13031 Durance           Discovered 1989 Sept. 26 by E. W. Elst at the European Southern Observatory.
The Durance, a river in southeastern France, has its source in the Alps. Flowing through the départements of Haute-Alpes, Haute-Provence and Vaucluse, it passes the cities of Sisteron, Manosque and Cavaillon, finally meeting the Rhône river near Avignon.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080819/MPCPages.arcLast Updated: 2008-08-25

[ show close-approach data ]
Alternate Designations
 1989 SN4 = 1979 HH2 = 1996 KN4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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