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362131 (2009 DW42)
Classification: Main-belt Asteroid          SPK-ID: 2362131
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956063923281654 8.3034e-08  
a 2.403738112972367 3.3002e-08 au
q 1.93355157259213 2.079e-07 au
i 4.972717677241738 1.2456e-05 deg
node 7.270773017423604 9.8452e-05 deg
peri 83.16598055871012 0.00010495 deg
M 93.97293273590039 4.1914e-05 deg
tp 2458845.172000258057
(2019-Dec-27.67200026)
0.00015338 TDB
period 1361.222600837603
3.73
2.8033e-05
7.675e-08
d
yr
n .2644681331168617 5.4464e-09 deg/d
Q 2.873924653352604 3.9457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      5499 days (15.06 yr)  
   first obs. used      2004-11-11  
   last obs. used      2019-12-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71899  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:21  

Additional Information
 Earth MOID = .957223 au 
 Jupiter MOID = 2.34418 au 
 T_jup = 3.493 
[ 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 18.0   n/a MPO455613  

362131 (2009 DW42)          Discovered 2009-Feb-20 by Calvin College at Calvin-Rehoboth
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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