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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07070722685447614 4.6856e-08  
a 3.059246697901546 2.2661e-08 au
q 2.842935847629215 1.4952e-07 au
i 9.022112600080693 3.8291e-06 deg
node 278.4487695479784 3.1223e-05 deg
peri 208.1359999703861 4.7156e-05 deg
M 270.5653079070398 3.7292e-05 deg
tp 2459686.038522189571
(2022-Apr-16.53852219)		 0.00020518 TDB
period 1954.43025405132
5.35		 2.1715e-05
5.945e-08		 d
yr
n .1841969030379873 2.0466e-09 deg/d
Q 3.275557548173878 2.4263e-08 au
   Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1999-12-07  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52544  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:46  

Additional Information
 Earth MOID = 1.86215 au 
 Jupiter MOID = 1.84166 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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