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332681 (2009 DL120)
Classification: Main-belt Asteroid          SPK-ID: 2332681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357164809066892 3.9189e-08  
a 2.342556278440465 1.6855e-08 au
q 2.024632784004655 9.0001e-08 au
i 1.221525716488957 5.8715e-06 deg
node 170.2762017009959 0.00022995 deg
peri 306.1924416336958 0.00023191 deg
M 90.2645987180711 2.8181e-05 deg
tp 2458672.141372352965
(2019-Jul-07.64137235)
0.00010098 TDB
period 1309.584351248736
3.59
1.4134e-05
3.87e-08
d
yr
n .2748963819373124 2.9669e-09 deg/d
Q 2.660479772876275 1.9143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6594 days (18.05 yr)  
   first obs. used      2002-04-07  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:30:48  

Additional Information
 Earth MOID = 1.0412 au 
 Jupiter MOID = 2.41941 au 
 T_jup = 3.550 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO460356  

332681 (2009 DL120)          Discovered 2007-Sep-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2009 DL120 = 2011 WK11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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