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212490 (2006 QL117)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212490
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2550843932836933 7.538e-08  
a 3.969444941696937 6.9539e-08 au
q 2.956901487071149 3.0343e-07 au
i 1.732938072237428 5.4243e-06 deg
node 271.9539625891491 0.00025845 deg
peri 106.4820693741464 0.00025919 deg
M 250.2357452194825 1.7467e-05 deg
tp 2459881.247730856030
(2022-Oct-28.74773086)
0.00015669 TDB
period 2888.637869788998
7.91
7.5908e-05
2.078e-07
d
yr
n .1246262135399812 3.2749e-09 deg/d
Q 4.981988396322725 8.7278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:46:36  

Additional Information
 Earth MOID = 1.95974 au 
 Jupiter MOID = .548513 au 
 T_jup = 2.999 
[ 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 15.0   n/a MPO440126  

212490 (2006 QL117)          Discovered 2006-Aug-27 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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