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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610482564048762 6.126e-08  
a 2.41349125045866 1.5027e-08 au
q 2.024802692723868 1.5263e-07 au
i 1.207422135526026 6.9654e-06 deg
node 20.45834004603682 0.00031713 deg
peri 265.3269988415526 0.00031793 deg
M 25.03640759896783 2.4712e-05 deg
tp 2458905.256239878293
(2020-Feb-25.75623988)
9.3802e-05 TDB
period 1369.515714595895
3.75
1.279e-05
3.502e-08
d
yr
n .262866644145245 2.455e-09 deg/d
Q 2.802179808193451 1.7447e-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 = 1.00883 au 
 Jupiter MOID = 2.34835 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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