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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456307.5 (2013-Jan-15.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2985712332301387 1.2454e-07  
q 1.79040834037684 3.1592e-07 au
tp 2456312.539373566706
(2013-Jan-20.03937357)
0.00014226 TDB
node 344.9017082122987 3.4535e-05 deg
peri 32.31633075435072 4.8463e-05 deg
i 12.63649499800621 1.6978e-05 deg
  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
 Jupiter MOID = 2.21083 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.55091366328663E-14 -3.923420452674798E-14 -5.029705172804279E-12 1.500642707027979E-13 -1.768295948699693E-12 -1.988072460242106E-15
q -3.923420452674798E-14 9.980374254444897E-14 1.565998650635715E-11 -4.04012486173204E-13 5.100524096148646E-12 1.23391776116249E-16
tp -5.029705172804279E-12 1.565998650635715E-11 2.023923679932362E-8 -2.158036534701913E-10 4.788139808099798E-9 -1.743703599813812E-11
node 1.500642707027979E-13 -4.04012486173204E-13 -2.158036534701913E-10 1.19270027841507E-9 -1.214199435343458E-9 -4.230012981696883E-11
peri -1.768295948699693E-12 5.100524096148646E-12 4.788139808099798E-9 -1.214199435343458E-9 2.348637476751059E-9 3.782126748882861E-11
i -1.988072460242106E-15 1.23391776116249E-16 -1.743703599813812E-11 -4.230012981696883E-11 3.782126748882861E-11 2.882676960452126E-10

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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