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JPL Small-Body Database Browser
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305764 (2009 DE31)
Classification: Main-belt Asteroid          SPK-ID: 2305764
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367934403674638 4.211e-08  
a 2.42713392242803 2.6762e-08 au
q 2.095117922946523 1.1e-07 au
i 4.185509176255302 6.0204e-06 deg
node 192.4229204913065 6.9136e-05 deg
peri 301.6161811608871 7.3474e-05 deg
M 264.6201651235669 2.7156e-05 deg
tp 2458966.425860310925
(2020-Apr-26.92586031)
0.00010743 TDB
period 1381.144241679563
3.78
2.2843e-05
6.254e-08
d
yr
n .2606534416435869 4.311e-09 deg/d
Q 2.759149921909537 3.0423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6523 days (17.86 yr)  
   first obs. used      2000-11-21  
   last obs. used      2018-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54802  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:51:03  

Additional Information
 Earth MOID = 1.11306 au 
 Jupiter MOID = 2.28467 au 
 T_jup = 3.493 
[ 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 16.5   n/a MPO455253  

305764 (2009 DE31)          Discovered 2009-Feb-22 by La Sagra at La Sagra
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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