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173728 (2001 QP213)
Classification: Main-belt Asteroid          SPK-ID: 2173728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .08577559765181535 5.9005e-08  
a 2.715479904431287 1.7397e-08 au
q 2.482557992717199 1.5665e-07 au
i 5.17419376248602 6.064e-06 deg
node 326.7768278506259 5.2933e-05 deg
peri 339.710236960433 6.2509e-05 deg
M 101.6023155488395 3.2154e-05 deg
tp 2458539.214905301113
(2019-Feb-24.71490530)
0.00014572 TDB
period 1634.437494800738
4.47
1.5707e-05
4.3e-08
d
yr
n .220259264208748 2.1167e-09 deg/d
Q 2.948401816145374 1.889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      6988 days (19.13 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:18:08  

Additional Information
 Earth MOID = 1.46852 au 
 Jupiter MOID = 2.25909 au 
 T_jup = 3.350 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO260227  

173728 (2001 QP213)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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