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JPL Small-Body Database Browser
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85533 (1997 WM22)
Classification: Main-belt Asteroid          SPK-ID: 2085533
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420924949590283 4.4034e-08  
a 2.408475600423992 1.1648e-08 au
q 2.066249293311803 1.074e-07 au
i 5.578353716662658 4.5598e-06 deg
node 95.64041801734938 4.8045e-05 deg
peri 247.629371645865 5.2233e-05 deg
M 326.6352154015444 1.6838e-05 deg
tp 2458727.031200326201
(2019-Aug-31.53120033)
6.3667e-05 TDB
period 1365.248799464478
3.74
9.9044e-06
2.712e-08
d
yr
n .2636882011111901 1.913e-09 deg/d
Q 2.750701907536181 1.3304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      8008 days (21.92 yr)  
   first obs. used      1997-11-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56236  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:12:04  

Additional Information
 Earth MOID = 1.06486 au 
 Jupiter MOID = 2.63305 au 
 T_jup = 3.501 
[ 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 15.8   n/a MPO348040  

85533 (1997 WM22)          Discovered 1997-Nov-28 by ODAS at Caussols
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 WM22 = 2001 XF172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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