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86345 (1999 XE84)
Classification: Main-belt Asteroid          SPK-ID: 2086345
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180397758497927 3.9523e-08  
a 2.192925443189779 7.4548e-09 au
q 1.93407301542035 8.7899e-08 au
i 5.394192955453531 3.1529e-06 deg
node 105.2658916579588 4.8358e-05 deg
peri 312.5976442845351 5.0939e-05 deg
M 136.7972435430483 1.6587e-05 deg
tp 2458549.777672590736
(2019-Mar-07.27767259)
5.3882e-05 TDB
period 1186.135287998505
3.25
6.0484e-06
1.656e-08
d
yr
n .3035066940866983 1.5477e-09 deg/d
Q 2.451777870959208 8.3348e-09 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      7446 days (20.39 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55554  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:45:58  

Additional Information
 Earth MOID = .951294 au 
 Jupiter MOID = 2.82633 au 
 T_jup = 3.656 
[ 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 16.3   n/a MPO453295  

86345 (1999 XE84)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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