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JPL Small-Body Database Browser
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441784 (2009 DA72)
Classification: Main-belt Asteroid          SPK-ID: 2441784
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2271006955623515 1.5133e-07  
a 2.597195007513119 6.9496e-08 au
q 2.007370214795823 4.2983e-07 au
i 11.5182206841297 1.2159e-05 deg
node 125.2550841789157 4.8028e-05 deg
peri 325.2627132762767 5.0969e-05 deg
M 198.6770265948554 1.8519e-05 deg
tp 2459285.592137307818
(2021-Mar-12.09213731)
9.5266e-05 TDB
period 1528.81616439974
4.19
6.1362e-05
1.68e-07
d
yr
n .2354763171550761 9.4513e-09 deg/d
Q 3.187019800230415 8.5278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      3483 days (9.54 yr)  
   first obs. used      2008-10-29  
   last obs. used      2018-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64063  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:45:14  

Additional Information
 Earth MOID = 1.0351 au 
 Jupiter MOID = 2.03905 au 
 T_jup = 3.352 
[ 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 17.1   n/a MPO437717  

441784 (2009 DA72)          Discovered 2008-Oct-29 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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