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JPL Small-Body Database Browser
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268279 (2005 QL4)
Classification: Main-belt Asteroid          SPK-ID: 2268279
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2296334183407088 4.5299e-08  
a 2.256653790317868 1.0751e-08 au
q 1.738450666435659 1.0571e-07 au
i 1.424895424485467 4.9589e-06 deg
node 106.9480157301158 0.00021588 deg
peri 200.0475685589032 0.00021641 deg
M 32.69391930721412 1.3589e-05 deg
tp 2458488.049778206129
(2019-Jan-04.54977821)
4.6334e-05 TDB
period 1238.214343939513
3.39
8.8484e-06
2.423e-08
d
yr
n .2907412612057304 2.0777e-09 deg/d
Q 2.774856914200077 1.322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      6226 days (17.05 yr)  
   first obs. used      2002-11-16  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:26:29  

Additional Information
 Earth MOID = .722854 au 
 Jupiter MOID = 2.48115 au 
 T_jup = 3.587 
[ 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 17.4   n/a MPO440317  

268279 (2005 QL4)          Discovered 2005-Aug-24 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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