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JPL Small-Body Database Browser
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379164 (2009 QG39)
Classification: Main-belt Asteroid          SPK-ID: 2379164
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218684324715583 8.0134e-08  
a 2.414599264268634 3.6894e-08 au
q 1.886564254703304 1.9e-07 au
i 2.232820455651004 1.0115e-05 deg
node 173.4281061042922 0.00029691 deg
peri 165.4528386362162 0.00029859 deg
M 212.6234297859455 3.9641e-05 deg
tp 2459161.537599053158
(2020-Nov-08.03759905)
0.0001606 TDB
period 1370.458922783887
3.75
3.141e-05
8.6e-08
d
yr
n .2626857281272704 6.0205e-09 deg/d
Q 2.942634273833963 4.4962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      3992 days (10.93 yr)  
   first obs. used      2005-07-04  
   last obs. used      2016-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68699  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 23:38:57  

Additional Information
 Earth MOID = .876878 au 
 Jupiter MOID = 2.4509 au 
 T_jup = 3.483 
[ 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 18.5   n/a MPO281809  

379164 (2009 QG39)          Discovered 2009-Aug-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2009 QG39 = 2005 NE41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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