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JPL Small-Body Database Browser
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344777 (2003 WU170)
Classification: Main-belt Asteroid          SPK-ID: 2344777
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 .2061247811398378 6.6124e-08  
a 2.713830689385796 3.3874e-08 au
q 2.154442932485574 1.7427e-07 au
i 9.861136697236857 9.2795e-06 deg
node 154.1291315809562 4.2191e-05 deg
peri 262.1181012056771 5.0181e-05 deg
M 163.2304356295235 2.8882e-05 deg
tp 2457860.091851246520
(2017-Apr-16.59185125)
0.00012214 TDB
period 1632.948736081437
4.47
3.0573e-05
8.37e-08
d
yr
n .2204600744931447 4.1276e-09 deg/d
Q 3.273218446286018 4.0856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5700 days (15.61 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:09  

Additional Information
 Earth MOID = 1.19166 au 
 Jupiter MOID = 2.18635 au 
 T_jup = 3.310 
[ 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 16.7   n/a MPO440552  

344777 (2003 WU170)          Discovered 2003-Nov-21 by CSS at Catalina
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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