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212493 (2006 QL139)
Classification: Main-belt Asteroid          SPK-ID: 2212493
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102010394806055 5.4913e-08  
a 2.947256891022974 3.1245e-08 au
q 2.646606051974854 1.6349e-07 au
i 3.118635889861829 5.5658e-06 deg
node 129.2408633930927 0.00014465 deg
peri 210.5983181695196 0.00014958 deg
M 246.3046924951126 4.0293e-05 deg
tp 2459584.167423386717
(2022-Jan-04.66742339)
0.00021052 TDB
period 1848.099776766826
5.06
2.9388e-05
8.046e-08
d
yr
n .194794677498314 3.0976e-09 deg/d
Q 3.247907730071093 3.4432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5908 days (16.18 yr)  
   first obs. used      2004-02-22  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64263  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:46:25  

Additional Information
 Earth MOID = 1.6383 au 
 Jupiter MOID = 2.10384 au 
 T_jup = 3.261 
[ 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 16.4   n/a MPO433388  

212493 (2006 QL139)          Discovered 2006-Aug-17 by NEAT at Palomar
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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