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193970 (2001 RW98)
Classification: Main-belt Asteroid          SPK-ID: 2193970
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764972824419649 6.0432e-08  
a 2.25190767235632 8.8842e-09 au
q 1.854452087875218 1.3489e-07 au
i 6.536631747689507 5.9634e-06 deg
node 162.7948687148737 3.7277e-05 deg
peri 195.8697824178901 3.9098e-05 deg
M 179.8902373407002 1.1045e-05 deg
tp 2458383.721265208657
(2018-Sep-22.22126521)
3.7418e-05 TDB
period 1234.310142714159
3.38
7.3043e-06
2e-08
d
yr
n .291660894245255 1.726e-09 deg/d
Q 2.64936325683742 1.0452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      10351 days (28.34 yr)  
   first obs. used      1991-10-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:12:53  

Additional Information
 Earth MOID = .851291 au 
 Jupiter MOID = 2.79636 au 
 T_jup = 3.597 
[ 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 17.2   n/a MPO459867  

193970 (2001 RW98)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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