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120345 (2004 RQ193)
Classification: Main-belt Asteroid          SPK-ID: 2120345
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07058014582329873 5.9472e-08  
a 3.059115994835001 2.7062e-08 au
q 2.843203141829161 1.7896e-07 au
i 9.022118846958906 5.8386e-06 deg
node 278.4477094761501 3.309e-05 deg
peri 208.2094789797284 4.879e-05 deg
M 233.6343346179275 3.8061e-05 deg
tp 2459686.491811622443
(2022-Apr-16.99181162)		 0.00021143 TDB
period 1954.305003953354
5.35		 2.5933e-05
7.1e-08		 d
yr
n .1842087080940578 2.4444e-09 deg/d
Q 3.27502884784084 2.8972e-08 au
   Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      7542 days (20.65 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:09:08  

Additional Information
 Earth MOID = 1.86251 au 
 Jupiter MOID = 1.84252 au 
 T_jup = 3.212 
[ 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 14.7   n/a MPO320372  

120345 (2004 RQ193)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Alternate Designations
 2004 RQ193 = 1999 XG124 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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