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212455 (2006 QA20)
Classification: Main-belt Asteroid          SPK-ID: 2212455
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2693663867147259 6.4905e-08  
a 2.329386293094033 1.2606e-08 au
q 1.701927924060484 1.5427e-07 au
i 5.381603730633966 6.4662e-06 deg
node 329.4273099990646 5.6711e-05 deg
peri 310.1201562719683 5.8077e-05 deg
M 345.5094732883672 1.0703e-05 deg
tp 2459052.768780951798
(2020-Jul-22.26878095)
3.8839e-05 TDB
period 1298.55605093647
3.56
1.0541e-05
2.886e-08
d
yr
n .2772310057316212 2.2504e-09 deg/d
Q 2.956844662127582 1.6002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6626 days (18.14 yr)  
   first obs. used      2002-04-09  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:11:15  

Additional Information
 Earth MOID = .691767 au 
 Jupiter MOID = 2.22018 au 
 T_jup = 3.517 
[ 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 17.2   n/a MPO268199  

212455 (2006 QA20)          Discovered 2006-Aug-18 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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