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226392 (2003 QL4)
Classification: Main-belt Asteroid          SPK-ID: 2226392
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2669401815965979 6.0762e-08  
a 3.112235560017164 2.8775e-08 au
q 2.281454834454792 2.0115e-07 au
i 6.02829889951643 5.3273e-06 deg
node 153.0298578893927 5.7207e-05 deg
peri 158.8902244676911 5.9835e-05 deg
M 30.72579315109608 1.286e-05 deg
tp 2458829.337855352384
(2019-Dec-11.83785535)
7.1087e-05 TDB
period 2005.428200669362
5.49
2.7813e-05
7.615e-08
d
yr
n .1795127842920733 2.4896e-09 deg/d
Q 3.943016285579535 3.6456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5864 days (16.05 yr)  
   first obs. used      2003-08-04  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58314  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:25  

Additional Information
 Earth MOID = 1.26866 au 
 Jupiter MOID = 1.38602 au 
 T_jup = 3.154 
[ 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 16.1   n/a MPO440182  
diameter diameter 4.390 km 0.690 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226392 (2003 QL4)          Discovered 2003-Aug-18 by CINEOS at Campo Imperatore
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 QL4 = 2008 JD14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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