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101928 (1999 RY19)
Classification: Main-belt Asteroid          SPK-ID: 2101928
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648559353497143 4.233e-08  
a 2.280489730522905 9.7482e-09 au
q 1.904537462942133 9.9334e-08 au
i 3.326181674291356 4.4134e-06 deg
node 302.0595160465763 7.8992e-05 deg
peri 51.88025144623259 8.0133e-05 deg
M 4.380873111163352 1.4648e-05 deg
tp 2458985.192693375716
(2020-May-15.69269338)
5.1132e-05 TDB
period 1257.884043867875
3.44
8.0655e-06
2.208e-08
d
yr
n .2861949014736159 1.8351e-09 deg/d
Q 2.656441998103677 1.1355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      7739 days (21.19 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:43  

Additional Information
 Earth MOID = .901431 au 
 Jupiter MOID = 2.77859 au 
 T_jup = 3.585 
[ 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 16.1   n/a MPO436477  

101928 (1999 RY19)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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