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JPL Small-Body Database Browser
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173941 (2001 WN51)
Classification: Main-belt Asteroid          SPK-ID: 2173941
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05435864490950788 5.4403e-08  
a 2.989385950355689 3.9914e-08 au
q 2.826886980982832 1.8117e-07 au
i 1.181740129441178 7.7309e-06 deg
node 327.0678218871185 0.00029936 deg
peri 314.5419521459042 0.00030981 deg
M 247.4396229418765 7.7166e-05 deg
tp 2459190.775080298504
(2020-Dec-07.27508030)
0.00040159 TDB
period 1887.867067091752
5.17
3.781e-05
1.035e-07
d
yr
n .1906913925642964 3.8192e-09 deg/d
Q 3.151884919728546 4.2084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      8156 days (22.33 yr)  
   first obs. used      1996-11-09  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64582  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:07:15  

Additional Information
 Earth MOID = 1.81001 au 
 Jupiter MOID = 1.92217 au 
 T_jup = 3.254 
[ 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 15.5   n/a MPO433119  

173941 (2001 WN51)          Discovered 2001-Nov-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 WN51 = 2003 AZ31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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