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392100 (2009 DW131)
Classification: Main-belt Asteroid          SPK-ID: 2392100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09986744251127554 6.7846e-08  
a 3.019899761107022 3.0565e-08 au
q 2.718310095324852 2.0133e-07 au
i 11.3356414114906 5.6579e-06 deg
node 179.2975787908387 3.4527e-05 deg
peri 39.95021050885075 4.852e-05 deg
M 87.76342177469313 3.0198e-05 deg
tp 2458929.197327057242
(2020-Mar-20.69732706)
0.00016211 TDB
period 1916.845980450393
5.25
2.9101e-05
7.967e-08
d
yr
n .1878085165274532 2.8512e-09 deg/d
Q 3.321489426889192 3.3617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6305 days (17.26 yr)  
   first obs. used      2004-03-16  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:34:13  

Additional Information
 Earth MOID = 1.72392 au 
 Jupiter MOID = 1.66406 au 
 T_jup = 3.209 
[ 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 16.88   n/a E2021B25  

392100 (2009 DW131)          Discovered 2009-Feb-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 DW131 = 2004 FV9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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