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86371 (1999 XZ234)
Classification: Outer Main-belt Asteroid          SPK-ID: 2086371
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03057497332378523 4.4936e-08  
a 3.508901250614354 3.5956e-08 au
q 3.401616688481023 1.6533e-07 au
i 11.12653000593203 5.3122e-06 deg
node 94.3604191712075 3.0014e-05 deg
peri 8.962229118388811 0.00010657 deg
M 7.369427122379551 0.00010246 deg
tp 2458951.354203971318
(2020-Apr-11.85420397)
0.00068307 TDB
period 2400.795377512685
6.57
3.6902e-05
1.01e-07
d
yr
n .1499503053746186 2.3049e-09 deg/d
Q 3.616185812747684 3.7056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      7365 days (20.16 yr)  
   first obs. used      1999-12-03  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57646  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:48:57  

Additional Information
 Earth MOID = 2.41892 au 
 Jupiter MOID = 1.54112 au 
 T_jup = 3.094 
[ 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 13.6   n/a MPO337907  
diameter diameter 9.766 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86371 (1999 XZ234)          Discovered 1999-Dec-03 by LONEOS at Anderson Mesa
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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