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227859 (2007 DW76)
Classification: Main-belt Asteroid          SPK-ID: 2227859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06749554796590854 4.9591e-08  
a 2.368420001994725 1.4033e-08 au
q 2.208562196146673 1.236e-07 au
i 8.723759659240018 3.7484e-06 deg
node 143.7590625661041 3.8791e-05 deg
peri 318.0114745977733 5.616e-05 deg
M 332.3044262414332 3.877e-05 deg
tp 2459302.922264364703
(2021-Mar-29.42226436)
0.00014321 TDB
period 1331.332417689586
3.64
1.1832e-05
3.239e-08
d
yr
n .2704057943881132 2.4032e-09 deg/d
Q 2.528277807842777 1.498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      10100 days (27.65 yr)  
   first obs. used      1993-05-24  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52317  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:21  

Additional Information
 Earth MOID = 1.23285 au 
 Jupiter MOID = 2.54438 au 
 T_jup = 3.528 
[ 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 16.5   n/a MPO437078  

227859 (2007 DW76)          Discovered 2007-Feb-22 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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