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347345 (2012 QQ9)
Classification: Main-belt Asteroid          SPK-ID: 2347345
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1994010382192821 6.3361e-08  
a 2.44916889335984 2.1994e-08 au
q 1.960802073249517 1.5414e-07 au
i .6311221143199833 4.9633e-06 deg
node 290.8526792759397 0.00069573 deg
peri 61.10116587250293 0.00069587 deg
M 3.757319659090427 1.7235e-05 deg
tp 2458985.888252011864
(2020-May-16.38825201)
6.6908e-05 TDB
period 1399.995143613228
3.83
1.8858e-05
5.163e-08
d
yr
n .2571437491353585 3.4638e-09 deg/d
Q 2.937535713470162 2.638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      4938 days (13.52 yr)  
   first obs. used      2005-12-02  
   last obs. used      2019-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:26:19  

Additional Information
 Earth MOID = .955344 au 
 Jupiter MOID = 2.4975 au 
 T_jup = 3.469 
[ 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 17.6   n/a MPO437470  

347345 (2012 QQ9)          Discovered 2005-Dec-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2012 QQ9 = 2005 YV202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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