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JPL Small-Body Database Browser
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146422 (2001 QP224)
Classification: Main-belt Asteroid          SPK-ID: 2146422
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609580789072636 6.1357e-08  
a 2.412903351140483 1.4745e-08 au
q 2.024527063152013 1.5275e-07 au
i 1.207768113647404 6.9654e-06 deg
node 20.48920189664198 0.00031701 deg
peri 265.4941198187651 0.0003178 deg
M 279.716170237296 2.4488e-05 deg
tp 2458905.804986311385
(2020-Feb-26.30498631)
9.3689e-05 TDB
period 1369.015347137282
3.75
1.2549e-05
3.436e-08
d
yr
n .2629627204346454 2.4104e-09 deg/d
Q 2.801279639128954 1.7118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      1998-12-11  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:00:34  

Additional Information
 Earth MOID = 1.00794 au 
 Jupiter MOID = 2.34891 au 
 T_jup = 3.500 
[ 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 16.6   n/a MPO432921  

146422 (2001 QP224)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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