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129269 (2005 QG145)
Classification: Main-belt Asteroid          SPK-ID: 2129269
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770822441824196 4.3292e-08  
a 2.767882025036826 1.4422e-08 au
q 2.277739264411125 1.1851e-07 au
i 10.18643764024164 4.396e-06 deg
node 143.6408707819064 2.3789e-05 deg
peri 220.3095347165616 2.6083e-05 deg
M 64.28707251469089 9.8567e-06 deg
tp 2458700.140800277345
(2019-Aug-04.64080028)
4.5918e-05 TDB
period 1681.975981647724
4.60
1.3146e-05
3.599e-08
d
yr
n .2140339719044805 1.6728e-09 deg/d
Q 3.258024785662527 1.6975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      8000 days (21.90 yr)  
   first obs. used      1998-03-04  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:03:34  

Additional Information
 Earth MOID = 1.28485 au 
 Jupiter MOID = 2.21527 au 
 T_jup = 3.293 
[ 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 15.4   n/a MPO412838  

129269 (2005 QG145)          Discovered 2005-Aug-27 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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