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JPL Small-Body Database Browser
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74367 (1998 WU40)
Classification: Main-belt Asteroid          SPK-ID: 2074367
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09566869388501123 5.8018e-08  
a 2.642978996289777 1.328e-08 au
q 2.390128647749216 1.5767e-07 au
i 12.78667024264436 6.5387e-06 deg
node 306.8440621027642 2.1769e-05 deg
peri 71.79396325465412 4.4663e-05 deg
M 296.4352399807741 3.6284e-05 deg
tp 2458877.610451234664
(2020-Jan-29.11045123)		 0.00015852 TDB
period 1569.419319986509
4.30		 1.1828e-05
3.238e-08		 d
yr
n .2293842030714231 1.7288e-09 deg/d
Q 2.895829344830338 1.455e-08 au
   Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      10517 days (28.79 yr)  
   first obs. used      1991-01-11  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:52:14  

Additional Information
 Earth MOID = 1.42385 au 
 Jupiter MOID = 2.54798 au 
 T_jup = 3.352 
[ 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 14.9   n/a MPO453156  

74367 (1998 WU40)          Discovered 1998-Nov-16 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 WU40 = 2002 PU40 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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