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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .199000859342128 6.4691e-08  
a 2.636211257186198 2.7155e-08 au
q 2.111602951598754 1.7087e-07 au
i 4.940565902030936 7.5481e-06 deg
node 181.9843168402885 7.3012e-05 deg
peri 169.9520165813872 7.5065e-05 deg
M 222.3018519094678 1.8265e-05 deg
tp 2459198.490577503361
(2020-Dec-14.99057750)
8.4253e-05 TDB
period 1563.395084730351
4.28
2.4157e-05
6.614e-08
d
yr
n .2302680899512304 3.558e-09 deg/d
Q 3.160819562773643 3.2559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      5706 days (15.62 yr)  
   first obs. used      2003-08-18  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:38:26  

Additional Information
 Earth MOID = 1.1055 au 
 Jupiter MOID = 2.27882 au 
 T_jup = 3.364 
[ 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

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