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JPL Small-Body Database Browser
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390796 (2004 DT4)
Classification: Main-belt Asteroid          SPK-ID: 2390796
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09359963139062658 6.7196e-08  
a 2.758417327559336 3.1403e-08 au
q 2.500230482478265 1.7575e-07 au
i 5.873163951260107 7.2645e-06 deg
node 126.2637060628198 6.0186e-05 deg
peri 65.44555858826294 7.338e-05 deg
M 77.9178744558422 3.8679e-05 deg
tp 2458238.321236838667
(2018-Apr-29.82123684)
0.00017989 TDB
period 1673.356154138569
4.58
2.8575e-05
7.823e-08
d
yr
n .2151365082141316 3.6738e-09 deg/d
Q 3.016604172640407 3.4342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5617 days (15.38 yr)  
   first obs. used      2004-02-16  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:07:23  

Additional Information
 Earth MOID = 1.50793 au 
 Jupiter MOID = 1.95813 au 
 T_jup = 3.329 
[ 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 16.4   n/a MPO476840  

390796 (2004 DT4)          Discovered 2004-Feb-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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