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212499 (2006 QA168)
Classification: Main-belt Asteroid          SPK-ID: 2212499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034775837202594 4.8854e-08  
a 2.780904872573436 1.7984e-08 au
q 2.493143555803641 1.4067e-07 au
i 4.42374317803595 3.4146e-06 deg
node 101.8613761458346 5.5681e-05 deg
peri 276.2359092437444 5.9039e-05 deg
M 1.046936919167694 1.7543e-05 deg
tp 2459195.573986012354
(2020-Dec-12.07398601)
8.2553e-05 TDB
period 1693.860444774816
4.64
1.6431e-05
4.499e-08
d
yr
n .2125322668172105 2.0617e-09 deg/d
Q 3.068666189343231 1.9845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      9408 days (25.76 yr)  
   first obs. used      1995-04-05  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5276  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:38:55  

Additional Information
 Earth MOID = 1.49845 au 
 Jupiter MOID = 2.39571 au 
 T_jup = 3.321 
[ 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 16.45   n/a E2021B55  

212499 (2006 QA168)          Discovered 2006-Aug-30 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2006 QA168 = 2008 CR89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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