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441773 (2009 DU7)
Classification: Main-belt Asteroid          SPK-ID: 2441773
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09735817434166694 1.595e-07  
a 2.601091520819161 3.8951e-08 au
q 2.347853999056618 4.3248e-07 au
i 13.96356797562664 9.6032e-06 deg
node 330.7152041941239 2.1642e-05 deg
peri 161.6924540302414 4.6341e-05 deg
M 274.0604243808325 3.4599e-05 deg
tp 2459366.282211141810
(2021-May-31.78221114)
0.00014899 TDB
period 1532.257927297489
4.20
3.4418e-05
9.423e-08
d
yr
n .2349473894613474 5.2774e-09 deg/d
Q 2.854329042581704 4.2743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      3929 days (10.76 yr)  
   first obs. used      2008-12-30  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55982  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:04  

Additional Information
 Earth MOID = 1.36467 au 
 Jupiter MOID = 2.17487 au 
 T_jup = 3.366 
[ 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 16.7   n/a MPO495189  

441773 (2009 DU7)          Discovered 2008-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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