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305799 (2009 DR88)
Classification: Main-belt Asteroid          SPK-ID: 2305799
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0526033576201879 1.5972e-07  
a 2.909304954482441 4.5374e-08 au
q 2.756265745535617 4.5055e-07 au
i 4.077713531201045 6.3113e-06 deg
node 80.6104962111022 0.00018345 deg
peri 137.9634446680533 0.00021364 deg
M 50.50501402212112 0.00010814 deg
tp 2458746.218776773306
(2019-Sep-19.71877677)
0.0005472 TDB
period 1812.517868453911
4.96
4.2402e-05
1.161e-07
d
yr
n .1986187315808821 4.6465e-09 deg/d
Q 3.062344163429266 4.7761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      6009 days (16.45 yr)  
   first obs. used      2002-12-14  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66616  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:01  

Additional Information
 Earth MOID = 1.74958 au 
 Jupiter MOID = 1.90758 au 
 T_jup = 3.278 
[ 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 16.3   n/a MPO433970  

305799 (2009 DR88)          Discovered 2009-Feb-22 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DR88 = 2007 YL33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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