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JPL Small-Body Database Browser
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442501 (2011 WX8)
Classification: Main-belt Asteroid          SPK-ID: 2442501
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050348041875121 6.6683e-08  
a 2.862895652580681 5.9028e-08 au
q 2.275902403044521 2.2508e-07 au
i 5.125541217815973 5.3234e-06 deg
node 248.7675842211228 8.2757e-05 deg
peri 40.07522469153833 8.5773e-05 deg
M 301.8266886236375 2.0345e-05 deg
tp 2458886.409107851414
(2020-Feb-06.90910785)
0.00010027 TDB
period 1769.321298569422
4.84
5.4721e-05
1.498e-07
d
yr
n .2034678496726834 6.2927e-09 deg/d
Q 3.44988890211684 7.1131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      5584 days (15.29 yr)  
   first obs. used      2004-03-16  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54261  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:18  

Additional Information
 Earth MOID = 1.26185 au 
 Jupiter MOID = 1.73712 au 
 T_jup = 3.264 
[ 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 16.6   n/a MPO434643  

442501 (2011 WX8)          Discovered 2011-Nov-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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