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JPL Small-Body Database Browser
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268945 (2007 DR42)
Classification: Main-belt Asteroid          SPK-ID: 2268945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055781011529062 5.324e-08  
a 2.515038032103374 2.2233e-08 au
q 2.249505092346558 1.3695e-07 au
i 5.522526606359045 5.6881e-06 deg
node 116.5861059829684 6.8009e-05 deg
peri 358.0449962506094 7.5652e-05 deg
M 4.676165599337212 3.543e-05 deg
tp 2458581.576448609559
(2019-Apr-08.07644861)
0.00014328 TDB
period 1456.851421498907
3.99
1.9318e-05
5.289e-08
d
yr
n .2471082463780745 3.2766e-09 deg/d
Q 2.780570971860191 2.458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      5936 days (16.25 yr)  
   first obs. used      2002-12-05  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54627  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:50:24  

Additional Information
 Earth MOID = 1.26621 au 
 Jupiter MOID = 2.29718 au 
 T_jup = 3.445 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO418427  

268945 (2007 DR42)          Discovered 2007-Feb-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2007 DR42 = 2008 FW103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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