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226779 (2004 RW143)
Classification: Main-belt Asteroid          SPK-ID: 2226779
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09642480366196628 5.0659e-08  
a 2.774496183458316 1.7402e-08 au
q 2.506965933707473 1.3929e-07 au
i 4.46621373339687 5.2685e-06 deg
node 128.3312458105862 7.0026e-05 deg
peri 279.4891649283146 7.6656e-05 deg
M 110.0022282335218 3.0263e-05 deg
tp 2458484.709182599466
(2019-Jan-01.20918260)
0.00014127 TDB
period 1688.008481700984
4.62
1.5881e-05
4.348e-08
d
yr
n .213269070566063 2.0065e-09 deg/d
Q 3.04202643320916 1.908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:02  

Additional Information
 Earth MOID = 1.52168 au 
 Jupiter MOID = 2.28448 au 
 T_jup = 3.325 
[ 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 15.7   n/a MPO454629  

226779 (2004 RW143)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RW143 = 2000 YP83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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