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441656 (2008 WZ87)
Classification: Main-belt Asteroid          SPK-ID: 2441656
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895757983221736 1.1973e-07  
a 2.426190407937088 4.1837e-08 au
q 1.966243424470814 3.0017e-07 au
i 2.893617709617803 8.5138e-06 deg
node 88.48808322767452 0.00020431 deg
peri 214.6786460282969 0.00020648 deg
M 106.914964860981 2.4077e-05 deg
tp 2458590.558632289074
(2019-Apr-17.05863229)
9.1088e-05 TDB
period 1380.338969084698
3.78
3.5704e-05
9.775e-08
d
yr
n .2608055036211256 6.746e-09 deg/d
Q 2.886137391403361 4.9769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      3982 days (10.90 yr)  
   first obs. used      2007-04-22  
   last obs. used      2018-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:35:49  

Additional Information
 Earth MOID = .951733 au 
 Jupiter MOID = 2.34669 au 
 T_jup = 3.484 
[ 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 17.9   n/a MPO495188  

441656 (2008 WZ87)          Discovered 2007-Apr-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 WZ87 = 2012 XW33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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