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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04026944605327801 7.4101e-08  
a 1.947592544762786 7.5712e-09 au
q 1.869164071847695 1.4789e-07 au
i 19.15605401464938 5.6762e-06 deg
node .9474631999453871 1.5649e-05 deg
peri 196.2557585276658 7.6164e-05 deg
M 44.22150262474208 7.492e-05 deg
tp 2459078.551467957778
(2020-Aug-17.05146796)
0.00020645 TDB
period 992.7629983029287
2.72
5.789e-06
1.585e-08
d
yr
n .3626243127668933 2.1145e-09 deg/d
Q 2.026021017677877 7.8761e-09 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      7076 days (19.37 yr)  
   first obs. used      2001-01-26  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57323  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:51  

Additional Information
 Earth MOID = .872834 au 
 Jupiter MOID = 2.93527 au 
 T_jup = 3.827 
[ 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 16.87   n/a E2021B55  

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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