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86347 (1999 XU89)
Classification: Main-belt Asteroid          SPK-ID: 2086347
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08843402823768981 4.5791e-08  
a 2.265073023648821 1.0563e-08 au
q 2.064763491915032 1.0644e-07 au
i 3.068199546551533 4.517e-06 deg
node 246.6334421777927 9.1929e-05 deg
peri 266.7074403953326 9.5608e-05 deg
M 312.911716028693 2.8679e-05 deg
tp 2459163.366626799261
(2020-Nov-09.86662680)
9.9593e-05 TDB
period 1245.150188175491
3.41
8.7101e-06
2.385e-08
d
yr
n .2891217488610794 2.0225e-09 deg/d
Q 2.465382555382611 1.1497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      7808 days (21.38 yr)  
   first obs. used      1998-09-10  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:48:33  

Additional Information
 Earth MOID = 1.07758 au 
 Jupiter MOID = 2.52914 au 
 T_jup = 3.610 
[ 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 16.0   n/a MPO240816  

86347 (1999 XU89)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 XU89 = 2002 TW252 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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