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JPL Small-Body Database Browser
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172430 (2003 QL8)
Classification: Main-belt Asteroid          SPK-ID: 2172430
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320425010439729 4.0434e-08  
a 2.314447045309734 1.1863e-08 au
q 2.008841668913203 9.6189e-08 au
i 6.328398300784087 5.1062e-06 deg
node 296.7721479855395 3.6264e-05 deg
peri 72.42142800063155 4.1102e-05 deg
M 247.1813083830005 1.9116e-05 deg
tp 2459403.539728625744
(2021-Jul-08.03972863)
6.9637e-05 TDB
period 1286.08389466028
3.52
9.8876e-06
2.707e-08
d
yr
n .2799195305179483 2.1521e-09 deg/d
Q 2.620052421706264 1.3429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:38:35  

Additional Information
 Earth MOID = 1.01828 au 
 Jupiter MOID = 2.86598 au 
 T_jup = 3.562 
[ 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 16.4   n/a MPO325658  

172430 (2003 QL8)          Discovered 2003-Aug-20 by CINEOS at Campo Imperatore
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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