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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323218224784021 7.4264e-08  
a 2.59864024245491 3.0399e-08 AU
q 2.25478342960756 2.0869e-07 AU
i 4.259646640170284 7.3527e-06 deg
node 157.207014866199 7.9729e-05 deg
peri 52.81380093340152 8.6013e-05 deg
M 169.4319102862673 4.1094e-05 deg
tp 2456280.370879969469
(2012-Dec-18.87087997)
0.00016644 JED
period 1530.092429300808
4.19
2.6849e-05
7.351e-08
d
yr
n .2352799040803736 4.1285e-09 deg/d
Q 2.942497055302261 3.4422e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      12852 days (35.19 yr)  
   first obs. used      1979-04-24  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50924  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:29:42  

Additional Information
 Earth MOID = 1.25427 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 13.3 mag n/a MPO236465  

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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