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201851 (2003 YJ98)
Classification: Main-belt Asteroid          SPK-ID: 2201851
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1640875018306799 5.1198e-08  
a 3.060830032514897 3.3324e-08 au
q 2.558586078951209 1.6164e-07 au
i 4.225392168272112 6.2279e-06 deg
node 119.7892778686413 8.4178e-05 deg
peri 351.1631238641984 8.7098e-05 deg
M 15.54308762745457 2.1819e-05 deg
tp 2458916.051480055850
(2020-Mar-07.55148006)		 0.00011801 TDB
period 1955.94774401158
5.36		 3.1942e-05
8.745e-08		 d
yr
n .1840539968934204 3.0058e-09 deg/d
Q 3.563073986078585 3.8792e-08 au
   Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      7645 days (20.93 yr)  
   first obs. used      1999-01-14  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:03:23  

Additional Information
 Earth MOID = 1.57533 au 
 Jupiter MOID = 1.55593 au 
 T_jup = 3.209 
[ 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 15.9   n/a MPO413037  

201851 (2003 YJ98)          Discovered 2003-Dec-19 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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Alternate Designations
 2003 YJ98 = 1999 AU31 = 2000 KS37 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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