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JPL Small-Body Database Browser
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193204 (2000 QE172)
Classification: Main-belt Asteroid          SPK-ID: 2193204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2986573995808166 1.2562e-07  
a 2.553676520819365 3.5031e-08 au
q 1.791002131740866 3.2036e-07 au
i 12.64123386938048 1.6987e-05 deg
node 344.7847452082497 3.45e-05 deg
peri 31.97188413781363 4.841e-05 deg
M 290.373534552667 4.6094e-05 deg
tp 2459288.783044772895
(2021-Mar-15.28304477)
0.0001964 TDB
period 1490.552413532252
4.08
3.0671e-05
8.397e-08
d
yr
n .2415211949151699 4.9697e-09 deg/d
Q 3.316350909897863 4.5493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6793 days (18.60 yr)  
   first obs. used      2000-08-31  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59741  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:47:54  

Additional Information
 Earth MOID = .803415 au 
 Jupiter MOID = 2.21083 au 
 T_jup = 3.342 
[ 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 17.0   n/a MPO245320  

193204 (2000 QE172)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2000 QE172 = 2004 RM28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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