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11499 Duras (1989 RL)
Classification: Main-belt Asteroid          SPK-ID: 2011499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814152400225518 3.6303e-08  
a 2.22222728744405 5.5251e-09 au
q 1.819081390707723 8.0198e-08 au
i 3.096577421329325 4.6226e-06 deg
node 176.7431288366139 6.3973e-05 deg
peri 155.6141361682301 6.5093e-05 deg
M 102.401804926973 1.2105e-05 deg
tp 2458656.319507377829
(2019-Jun-21.81950738)
4.0586e-05 TDB
period 1209.988216832148
3.31
4.5125e-06
1.235e-08
d
yr
n .2975235584876277 1.1096e-09 deg/d
Q 2.625373184180376 6.5274e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1489  
   data-arc span      11397 days (31.20 yr)  
   first obs. used      1989-09-02  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:46:10  

Additional Information
 Earth MOID = .809283 au 
 Jupiter MOID = 2.73264 au 
 T_jup = 3.625 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456844.5 (2014-Jul-06.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816986594758564 3.6372e-08  
q 1.818428377253055 8.0413e-08 au
tp 2457447.153279356807
(2016-Feb-28.65327936)
4.0497e-05 TDB
node 176.7778321181901 6.3963e-05 deg
peri 155.6896956362012 6.508e-05 deg
i 3.096580433453985 4.624e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1489  
   data-arc span      11397 days (31.20 yr)  
   first obs. used      1989-09-02  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:46:10  

Additional Information
 Jupiter MOID = 2.73264 au 
 T_jup = 3.625 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.322956087252462E-15 -2.92022226066848E-15 7.893745966682916E-13 1.248381020363909E-14 2.053136900687713E-13 -3.471305719123209E-16
q -2.92022226066848E-15 6.466295851715095E-15 -1.768772420207369E-12 -2.757646116728042E-14 -4.63862047744882E-13 8.3762382962379E-16
tp 7.893745966682916E-13 -1.768772420207369E-12 1.640034864449842E-9 4.284224621079661E-12 4.94761884561888E-10 -1.085502145010016E-12
node 1.248381020363909E-14 -2.757646116728042E-14 4.284224621079661E-12 4.091249304280932E-9 -4.083596508528857E-9 1.184636829584664E-10
peri 2.053136900687713E-13 -4.63862047744882E-13 4.94761884561888E-10 -4.083596508528857E-9 4.235408362214131E-9 -1.186284044498766E-10
i -3.471305719123209E-16 8.3762382962379E-16 -1.085502145010016E-12 1.184636829584664E-10 -1.186284044498766E-10 2.138128563476046E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO502257  

11499 Duras           Discovered 1989 Sept. 2 by E. W. Elst at Haute Provence.
Marguerite Duras (Donnadieu, 1914-1996), French novelist, became internationally known for the screenplay of Hiroshima mon amour (1959). Her semi-autobiographical novel L´Amant was nominated for the Prix Goncourt in 1984.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1989 RL = 1998 FE29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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