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305796 (2009 DP84)
Classification: Main-belt Asteroid          SPK-ID: 2305796
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0752221113852457 9.1496e-08  
a 2.919175880067897 4.473e-08 au
q 2.699589306864307 2.7423e-07 au
i 3.394550447497102 6.1165e-06 deg
node 96.78546014769697 0.00021434 deg
peri 218.9241079248925 0.00022688 deg
M 313.9440056739799 7.7288e-05 deg
tp 2459233.562543632762
(2021-Jan-19.06254363)
0.00039203 TDB
period 1821.750174664935
4.99
4.1871e-05
1.146e-07
d
yr
n .1976121671382372 4.5419e-09 deg/d
Q 3.138762453271486 4.8094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6422 days (17.58 yr)  
   first obs. used      2001-09-23  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:09:49  

Additional Information
 Earth MOID = 1.68682 au 
 Jupiter MOID = 2.06484 au 
 T_jup = 3.274 
[ 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 16.2   n/a MPO433970  

305796 (2009 DP84)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 DP84 = 2007 XO47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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