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120197 (2004 DU37)
Classification: Inner Main-belt Asteroid          SPK-ID: 2120197
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04034019154125443 7.4176e-08  
a 1.947705928862241 7.7079e-09 au
q 1.869135098625901 1.4816e-07 au
i 19.15553351552708 5.6768e-06 deg
node .9480210213677617 1.5866e-05 deg
peri 196.1686727003609 7.6675e-05 deg
M 331.7791992126149 7.5511e-05 deg
tp 2459078.330592845374
(2020-Aug-16.83059285)
0.00020836 TDB
period 992.8496939342472
2.72
5.8937e-06
1.614e-08
d
yr
n .3625926484133474 2.1524e-09 deg/d
Q 2.026276759098581 8.0189e-09 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      7029 days (19.24 yr)  
   first obs. used      2001-01-26  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56652  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:35:33  

Additional Information
 Earth MOID = .873323 au 
 Jupiter MOID = 2.93602 au 
 T_jup = 3.826 
[ 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 16.9   n/a MPO270615  

120197 (2004 DU37)          Discovered 2004-Feb-19 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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