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JPL Small-Body Database Browser
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442523 (2011 WU95)
Classification: Apollo [NEO, PHA]          SPK-ID: 2442523
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 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4247281328568335 2.5937e-08  
a 1.666480256393694 3.7145e-08 au
q .958679208652823 4.0282e-08 au
i 6.716330048718806 6.8063e-06 deg
node 67.70337023200059 3.4406e-05 deg
peri 242.3611306699804 3.6177e-05 deg
M 239.3490071870744 3.478e-05 deg
tp 2458863.846217685621
(2020-Jan-15.34621769)
8.4516e-05 TDB
period 785.7758660454786
2.15
2.6272e-05
7.193e-08
d
yr
n .458145911011174 1.5318e-08 deg/d
Q 2.374281304134565 5.2921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      1913 days (5.24 yr)  
   first obs. used      2011-11-30  
   last obs. used      2017-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44642  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:28  

Additional Information
 Earth MOID = .0471677 au 
 Jupiter MOID = 2.92958 au 
 T_jup = 4.140 
[ 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 19.5   n/a MPO402747  

442523 (2011 WU95)          Discovered 2011-Nov-30 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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