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JPL Small-Body Database Browser
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185634 (2008 DR11)
Classification: Main-belt Asteroid          SPK-ID: 2185634
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06102919413731094 6.0727e-08  
a 2.27040617558258 2.2175e-08 au
q 2.131845116322402 1.3735e-07 au
i 5.502434603997653 8.8325e-06 deg
node 183.2000787282469 5.7457e-05 deg
peri 305.0754125892072 9.0013e-05 deg
M 233.895342149729 6.8233e-05 deg
tp 2459438.205892630488
(2021-Aug-11.70589263)
0.00023757 TDB
period 1249.55036580861
3.42
1.8306e-05
5.012e-08
d
yr
n .2881036329952467 4.2208e-09 deg/d
Q 2.408967234842759 2.3528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      5191 days (14.21 yr)  
   first obs. used      2003-10-29  
   last obs. used      2018-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:20:16  

Additional Information
 Earth MOID = 1.15147 au 
 Jupiter MOID = 2.6062 au 
 T_jup = 3.604 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO433218  

185634 (2008 DR11)          Discovered 2008-Feb-26 by LONEOS at Anderson Mesa
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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