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JPL Small-Body Database Browser
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523919 (1997 WB17)
Classification: Main-belt Asteroid          SPK-ID: 2523919
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984904708700659 6.1496e-08  
a 2.302846864340155 1.9422e-08 au
q 1.845753705895623 1.4345e-07 au
i 3.419460961795536 9.1714e-06 deg
node 283.054754519701 0.0001538 deg
peri 148.0871794839934 0.00015659 deg
M 27.22098111218348 2.7233e-05 deg
tp 2458503.984450225977
(2019-Jan-20.48445023)
9.6678e-05 TDB
period 1276.427097739574
3.49
1.6148e-05
4.421e-08
d
yr
n .2820372590314984 3.568e-09 deg/d
Q 2.759940022784687 2.3277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1997-11-23  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61469  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:53  

Additional Information
 Earth MOID = .861229 au 
 Jupiter MOID = 2.52297 au 
 T_jup = 3.561 
[ 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 18.5   .62584 E2018W51 autocmod 2.6q

523919 (1997 WB17)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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