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359210 (2009 DQ81)
Classification: Main-belt Asteroid          SPK-ID: 2359210
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0517040879707467 6.0806e-08  
a 2.413532523257266 1.7975e-08 au
q 2.288743025354514 1.4875e-07 au
i 6.595665215777962 6.7288e-06 deg
node 153.2535979517718 4.498e-05 deg
peri 36.4251744733054 6.8454e-05 deg
M 348.8289169460057 5.262e-05 deg
tp 2459042.998239532798
(2020-Jul-12.49823953)
0.00020021 TDB
period 1369.550844610091
3.75
1.53e-05
4.189e-08
d
yr
n .2628599014171625 2.9366e-09 deg/d
Q 2.538322021160017 1.8905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5946 days (16.28 yr)  
   first obs. used      2003-10-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57527  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:42:50  

Additional Information
 Earth MOID = 1.29372 au 
 Jupiter MOID = 2.42204 au 
 T_jup = 3.507 
[ 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 17.2   n/a MPO418819  

359210 (2009 DQ81)          Discovered 2009-Feb-24 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2009 DQ81 = 2003 UW385 = 2005 EL40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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