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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2186395019699046 8.0077e-08  
a 2.415906527100932 3.684e-08 au
q 1.887693927209742 1.9001e-07 au
i 2.232523041066338 1.0111e-05 deg
node 173.4039886748982 0.00029692 deg
peri 165.3195617407931 0.00029859 deg
M 317.8265628239605 4.1435e-05 deg
tp 2459161.177518069874
(2020-Nov-07.67751807)
0.0001607 TDB
period 1371.572022069339
3.76
3.1373e-05
8.589e-08
d
yr
n .262472545522513 6.0037e-09 deg/d
Q 2.944119126992121 4.4895e-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 = .878889 au 
 Jupiter MOID = 2.45223 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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