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80270 (1999 XJ29)
Classification: Main-belt Asteroid          SPK-ID: 2080270
[ 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 .05753785844322663 4.0383e-08  
a 2.291189438114468 1.1149e-08 au
q 2.159359304557622 9.3043e-08 au
i 5.600495844806811 4.7876e-06 deg
node 211.501960184742 4.595e-05 deg
peri 262.5804171819333 6.5277e-05 deg
M 284.0898535443112 4.9464e-05 deg
tp 2459267.608220089656
(2021-Feb-22.10822009)		 0.00017497 TDB
period 1266.747117770444
3.47		 9.2458e-06
2.531e-08		 d
yr
n .2841924761065359 2.0743e-09 deg/d
Q 2.423019571671314 1.179e-08 au
   Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      7666 days (20.99 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:13  

Additional Information
 Earth MOID = 1.18428 au 
 Jupiter MOID = 2.62862 au 
 T_jup = 3.590 
[ 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 16.2   n/a MPO233885  

80270 (1999 XJ29)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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