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85524 (1997 WZ8)
Classification: Main-belt Asteroid          SPK-ID: 2085524
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07528434265238682 5.9477e-08  
a 2.568395469925419 1.3832e-08 au
q 2.375035505300716 1.5804e-07 au
i 3.492402694374278 3.935e-06 deg
node 263.8820765448226 9.6758e-05 deg
peri 88.81130854966059 0.00010084 deg
M 208.6949008562587 3.0433e-05 deg
tp 2459632.391238127818
(2022-Feb-21.89123813)		 0.00012975 TDB
period 1503.457894105113
4.12		 1.2145e-05
3.325e-08		 d
yr
n .2394480094264821 1.9343e-09 deg/d
Q 2.761755434550123 1.4873e-08 au
   Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      8215 days (22.49 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:37:21  

Additional Information
 Earth MOID = 1.37252 au 
 Jupiter MOID = 2.54816 au 
 T_jup = 3.424 
[ 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 15.6   n/a MPO280331  

85524 (1997 WZ8)          Discovered 1997-Nov-21 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Alternate Designations
 1997 WZ8 = 1999 CQ80 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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