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308820 (2006 QK164)
Classification: Main-belt Asteroid          SPK-ID: 2308820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010053646813553 3.9905e-08  
a 2.561579478987056 2.13e-08 au
q 2.302846209551692 1.0573e-07 au
i 10.73513111126373 5.6367e-06 deg
node 261.1663394482901 3.8137e-05 deg
peri 141.5649547598907 5.71e-05 deg
M 86.02986531402672 4.3777e-05 deg
tp 2458642.645137934277
(2019-Jun-08.14513793)
0.0001807 TDB
period 1497.477066521172
4.10
1.8678e-05
5.114e-08
d
yr
n .240404349454463 2.9985e-09 deg/d
Q 2.82031274842242 2.3452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      7749 days (21.22 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:20:09  

Additional Information
 Earth MOID = 1.32307 au 
 Jupiter MOID = 2.52806 au 
 T_jup = 3.403 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457186.5 (2015-Jun-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09958184451741317 3.9815e-08  
q 2.306242165830664 1.0542e-07 au
tp 2457141.896726511923
(2015-Apr-29.39672651)
0.00017942 TDB
node 261.2940958933108 3.8177e-05 deg
peri 140.766324718323 5.7701e-05 deg
i 10.72624121058622 5.6388e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      7749 days (21.22 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:20:09  

Additional Information
 Jupiter MOID = 2.52806 au 
 T_jup = 3.403 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.585230449681617E-15 -4.12767980334775E-15 -9.834398532571257E-13 1.641410166768223E-14 -2.09685370413252E-13 -1.987076228242006E-15
q -4.12767980334775E-15 1.111266243840331E-14 3.268924041384053E-12 -3.783591392427445E-14 7.162610076551776E-13 7.691666256657615E-15
tp -9.834398532571257E-13 3.268924041384053E-12 3.219258253001301E-8 1.736083832179497E-10 7.838375274620823E-9 5.793175464362292E-11
node 1.641410166768223E-14 -3.783591392427445E-14 1.736083832179497E-10 1.457454061881885E-9 -1.387865290287101E-9 1.097189709131068E-10
peri -2.09685370413252E-13 7.162610076551776E-13 7.838375274620823E-9 -1.387865290287101E-9 3.329448360861945E-9 -9.345804594826961E-11
i -1.987076228242006E-15 7.691666256657615E-15 5.793175464362292E-11 1.097189709131068E-10 -9.345804594826961E-11 3.179602730513366E-11

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 16.0   n/a MPO450235  

308820 (2006 QK164)          Discovered 2006-Aug-29 by LONEOS at Anderson Mesa
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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