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JPL Small-Body Database Browser
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392105 (2009 DD142)
Classification: Main-belt Asteroid          SPK-ID: 2392105
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07011840559355408 7.0562e-08  
a 3.061642700181508 3.9198e-08 au
q 2.846965195547637 2.1155e-07 au
i 9.276298423496046 9.1921e-06 deg
node 24.25882589239654 3.2398e-05 deg
peri 140.7900976675542 6.4785e-05 deg
M 41.90441948542791 5.3389e-05 deg
tp 2458772.734724097942
(2019-Oct-16.23472410)
0.00029064 TDB
period 1956.726768479738
5.36
3.7578e-05
1.029e-07
d
yr
n .1839807201491391 3.5332e-09 deg/d
Q 3.276320204815379 4.1947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6768 days (18.53 yr)  
   first obs. used      2001-10-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:22:24  

Additional Information
 Earth MOID = 1.85953 au 
 Jupiter MOID = 1.69949 au 
 T_jup = 3.210 
[ 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 MPO427952  

392105 (2009 DD142)          Discovered 2009-Feb-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 DD142 = 2004 HL15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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