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332802 (2009 WD75)
Classification: Main-belt Asteroid          SPK-ID: 2332802
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368989869105528 4.6916e-08  
a 2.724685347591275 3.7421e-08 au
q 2.351678683856002 1.3131e-07 au
i 6.083835923280182 5.2618e-06 deg
node 97.94268401334482 6.972e-05 deg
peri 196.0583474817308 7.4871e-05 deg
M 238.8395890279428 2.9605e-05 deg
tp 2459553.380405233619
(2021-Dec-04.88040523)
0.00013934 TDB
period 1642.755618664963
4.50
3.3843e-05
9.266e-08
d
yr
n .2191439772962489 4.5147e-09 deg/d
Q 3.097692011326548 4.2544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      4711 days (12.90 yr)  
   first obs. used      2007-03-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:11:22  

Additional Information
 Earth MOID = 1.33625 au 
 Jupiter MOID = 2.08047 au 
 T_jup = 3.335 
[ 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 16.6   n/a MPO471452  

332802 (2009 WD75)          Discovered 2009-Nov-18 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2009 WD75 = 2007 GZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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