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JPL Small-Body Database Browser
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359197 (2009 DD20)
Classification: Main-belt Asteroid          SPK-ID: 2359197
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819682538331561 4.9886e-08  
a 2.381286101284893 2.2901e-08 au
q 1.947967627556917 1.2623e-07 au
i 2.90289999093613 5.1811e-06 deg
node 121.9172914807916 0.0001098 deg
peri 342.5038663865595 0.00011081 deg
M 311.9109367075371 1.5365e-05 deg
tp 2458779.791462384508
(2019-Oct-23.29146238)
5.8271e-05 TDB
period 1342.195543836661
3.67
1.9362e-05
5.301e-08
d
yr
n .2682172516911666 3.8691e-09 deg/d
Q 2.814604575012869 2.7068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      6465 days (17.70 yr)  
   first obs. used      2000-11-25  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56447  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:51:50  

Additional Information
 Earth MOID = .965231 au 
 Jupiter MOID = 2.32435 au 
 T_jup = 3.514 
[ 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 17.6   n/a MPO455592  

359197 (2009 DD20)          Discovered 2009-Feb-16 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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