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344637 (2003 QE4)
Classification: Main-belt Asteroid          SPK-ID: 2344637
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985157025588495 6.4699e-08  
a 2.638383891760091 2.7439e-08 au
q 2.114623259867385 1.7097e-07 au
i 4.938697216376525 7.543e-06 deg
node 181.9252838918086 7.254e-05 deg
peri 169.7442063583037 7.4589e-05 deg
M 314.5870034691581 1.9003e-05 deg
tp 2459197.961788192926
(2020-Dec-14.46178819)		 8.4392e-05 TDB
period 1565.328191923557
4.29		 2.4419e-05
6.686e-08		 d
yr
n .2299837196170428 3.5878e-09 deg/d
Q 3.162144523652797 3.2886e-08 au
   Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5711 days (15.64 yr)  
   first obs. used      2003-08-18  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:05:08  

Additional Information
 Earth MOID = 1.10937 au 
 Jupiter MOID = 2.28052 au 
 T_jup = 3.363 
[ 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 16.9   n/a MPO434168  

344637 (2003 QE4)          Discovered 2003-Aug-18 by CINEOS at Campo Imperatore
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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Alternate Designations
 2003 QE4 = 2011 LC10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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