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392102 (2009 DR138)
Classification: Main-belt Asteroid          SPK-ID: 2392102
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570714009138786 7.9684e-08  
a 3.046088928744628 4.0234e-08 au
q 2.567635473398454 2.5844e-07 au
i 13.62240932273036 1.1165e-05 deg
node 7.881536221288531 2.6499e-05 deg
peri 312.5147612981425 4.6239e-05 deg
M 272.5740334956427 3.6194e-05 deg
tp 2459472.074415925806
(2021-Sep-14.57441593)
0.0001983 TDB
period 1941.834863499382
5.32
3.8473e-05
1.053e-07
d
yr
n .1853916657728782 3.6731e-09 deg/d
Q 3.524542384090803 4.6553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      2000-09-26  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:22:08  

Additional Information
 Earth MOID = 1.57851 au 
 Jupiter MOID = 1.95498 au 
 T_jup = 3.177 
[ 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 15.8   n/a MPO472027  

392102 (2009 DR138)          Discovered 2009-Feb-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 DR138 = 2000 SN333 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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