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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321595685700639 7.6122e-08  
a 2.599063353329151 2.9873e-08 AU
q 2.255572261866907 2.1264e-07 AU
i 4.25932560981796 7.6201e-06 deg
node 157.2049070177709 8.3405e-05 deg
peri 52.84954741698276 8.951e-05 deg
M 122.3495212928594 4.0601e-05 deg
tp 2456280.356112530560
(2012-Dec-18.85611253)
0.00016695 JED
period 1530.466139224091
4.19
2.6387e-05
7.224e-08
d
yr
n .2352224533255673 4.0554e-09 deg/d
Q 2.942554444791396 3.3821e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      12073 days (33.05 yr)  
   first obs. used      1979-04-24  
   last obs. used      2012-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56099  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:26:06  

Additional Information
 Earth MOID = 1.25396 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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