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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07539252863799352 5.9497e-08  
a 2.568336135433951 1.3697e-08 au
q 2.374702779791253 1.5813e-07 au
i 3.492413716421741 3.8677e-06 deg
node 263.880897131932 9.6028e-05 deg
peri 88.77324154521158 0.00010004 deg
M 256.6377553079996 3.0424e-05 deg
tp 2459632.153882541918
(2022-Feb-21.65388254)
0.00012893 TDB
period 1503.405795589469
4.12
1.2027e-05
3.293e-08
d
yr
n .2394563071767645 1.9156e-09 deg/d
Q 2.761969491076649 1.473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      8235 days (22.55 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:26  

Additional Information
 Earth MOID = 1.37042 au 
 Jupiter MOID = 2.54722 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 15.62   n/a E2021B10  

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

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