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379159 (2009 QW12)
Classification: Main-belt Asteroid          SPK-ID: 2379159
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 .1957414807093845 6.83e-08  
a 2.38816894109644 6.6177e-08 au
q 1.92070521638206 1.6498e-07 au
i 1.648827568527527 1.056e-05 deg
node 237.2143818164012 0.00025879 deg
peri 63.13466456841883 0.00026678 deg
M .3284052613520841 9.2698e-05 deg
tp 2458999.270287461481
(2020-May-29.77028746)
0.00034706 TDB
period 1348.018944776202
3.69
5.6031e-05
1.534e-07
d
yr
n .2670585613021686 1.11e-08 deg/d
Q 2.85563266581082 7.9131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5989 days (16.40 yr)  
   first obs. used      2002-11-13  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:09:03  

Additional Information
 Earth MOID = .905804 au 
 Jupiter MOID = 2.36671 au 
 T_jup = 3.507 
[ 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 17.7   n/a MPO434345  

379159 (2009 QW12)          Discovered 2009-Aug-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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