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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323218302195384 6.6867e-08  
a 2.598640239041315 2.4536e-08 AU
q 2.254783406529229 1.8343e-07 AU
i 4.259645937669043 6.8401e-06 deg
node 157.2070239632596 7.0998e-05 deg
peri 52.81379097222354 7.7905e-05 deg
M 169.431912931403 4.0356e-05 deg
tp 2456280.370870145914
(2012-Dec-18.87087015)
0.00016446 JED
period 1530.092426285895
4.19
2.1671e-05
5.933e-08
d
yr
n .2352799045439721 3.3322e-09 deg/d
Q 2.9424970715534 2.7783e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      13063 days (35.76 yr)  
   first obs. used      1979-04-24  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49284  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:33:21  

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 13.4 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

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