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212987 (2009 DO16)
Classification: Main-belt Asteroid          SPK-ID: 2212987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2359448013681614 4.2983e-08  
a 3.112999246387195 2.8649e-08 au
q 2.378503257539132 1.3522e-07 au
i 2.311527959439326 5.1772e-06 deg
node 99.32570559489101 0.00017603 deg
peri 2.734384996512901 0.00017677 deg
M 51.45451370338652 1.536e-05 deg
tp 2458713.760233358786
(2019-Aug-18.26023336)
8.4295e-05 TDB
period 2006.166389714474
5.49
2.7695e-05
7.582e-08
d
yr
n .1794467307625648 2.4772e-09 deg/d
Q 3.847495235235259 3.5409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      8116 days (22.22 yr)  
   first obs. used      1998-01-28  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48845  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:52:24  

Additional Information
 Earth MOID = 1.39539 au 
 Jupiter MOID = 1.32392 au 
 T_jup = 3.174 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO418140  

212987 (2009 DO16)          Discovered 2009-Feb-17 by La Sagra at La Sagra
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2009 DO16 = 2007 VM119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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