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JPL Small-Body Database Browser
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442522 (2011 WZ91)
Classification: Main-belt Asteroid          SPK-ID: 2442522
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2690004463299474 9.0028e-08  
a 2.733969776436916 6.4413e-08 au
q 1.998530686322799 2.7745e-07 au
i 9.532347034294105 1.1241e-05 deg
node 80.51167591336544 8.6914e-05 deg
peri 306.5671911706736 9.6317e-05 deg
M 257.0157862229522 4.3701e-05 deg
tp 2459072.842634638679
(2020-Aug-11.34263464)
0.00021334 TDB
period 1651.159359608786
4.52
5.8352e-05
1.598e-07
d
yr
n .2180286220739443 7.7052e-09 deg/d
Q 3.469408866551033 8.174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      5170 days (14.15 yr)  
   first obs. used      2002-12-06  
   last obs. used      2017-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64511  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:27:49  

Additional Information
 Earth MOID = 1.0202 au 
 Jupiter MOID = 2.02553 au 
 T_jup = 3.280 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO437721  

442522 (2011 WZ91)          Discovered 2002-Dec-06 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 WZ91 = 2002 XD41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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