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JPL Small-Body Database Browser
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173942 (2001 WW56)
Classification: Main-belt Asteroid          SPK-ID: 2173942
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1890686452034828 6.3489e-08  
a 3.045926761898529 2.8345e-08 au
q 2.470037515637343 1.8655e-07 au
i .5617369907165494 6.6694e-06 deg
node 254.7269210849058 0.0006906 deg
peri 109.3404615140618 0.00069094 deg
M 131.1854078254438 2.0929e-05 deg
tp 2457892.944288695868
(2017-May-19.44428870)
0.00010734 TDB
period 1941.679797256259
5.32
2.7103e-05
7.42e-08
d
yr
n .1854064715040592 2.588e-09 deg/d
Q 3.621816008159716 3.3704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2001-10-21  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61608  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:50:10  

Additional Information
 Earth MOID = 1.46716 au 
 Jupiter MOID = 1.8381 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 MPO251411  

173942 (2001 WW56)          Discovered 2001-Nov-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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