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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09721926750958305 1.5968e-07  
a 2.601017316619498 3.9257e-08 au
q 2.348148318318009 4.3325e-07 au
i 13.96324079466453 9.6029e-06 deg
node 330.7178457857031 2.1643e-05 deg
peri 161.8161515387386 4.6284e-05 deg
M 179.9234747833047 3.4255e-05 deg
tp 2457834.729518624096
(2017-Mar-22.22951862)
0.00014476 TDB
period 1532.192359153492
4.19
3.4688e-05
9.497e-08
d
yr
n .2349574437239025 5.3193e-09 deg/d
Q 2.853886314920987 4.3074e-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 = 1.36534 au 
 Jupiter MOID = 2.17658 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 16.8   n/a MPO260796  

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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