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JPL Small-Body Database Browser
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160540 (1997 WB58)
Classification: Main-belt Asteroid          SPK-ID: 2160540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2627442586422819 4.8245e-08  
a 2.966885224695357 2.1518e-08 au
q 2.187353165856035 1.4975e-07 au
i 1.242882372435715 9.6756e-06 deg
node 151.1804330410198 0.0002264 deg
peri 240.4226487386684 0.00022843 deg
M 150.0358113369639 2.7139e-05 deg
tp 2458222.567391981895
(2018-Apr-14.06739198)
0.0001345 TDB
period 1866.592624727062
5.11
2.0307e-05
5.56e-08
d
yr
n .1928647929017935 2.0982e-09 deg/d
Q 3.746417283534679 2.7172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      10013 days (27.41 yr)  
   first obs. used      1992-11-27  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:34:08  

Additional Information
 Earth MOID = 1.19353 au 
 Jupiter MOID = 1.69745 au 
 T_jup = 3.211 
[ 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 16.1   n/a MPO251331  

160540 (1997 WB58)          Discovered 1997-Nov-30 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1997 WB58 = 2002 SY11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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