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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09579631501384224 5.7763e-08  
a 2.643009660029871 1.3049e-08 au
q 2.389819074053022 1.5702e-07 au
i 12.78738149687694 6.3158e-06 deg
node 306.8424909323289 2.1737e-05 deg
peri 71.9304657199184 4.436e-05 deg
M 28.07921559329924 3.5931e-05 deg
tp 2458878.086582337872
(2020-Jan-29.58658234)
0.0001565 TDB
period 1569.446632579105
4.30
1.1623e-05
3.182e-08
d
yr
n .229380211169337 1.6987e-09 deg/d
Q 2.896200246006721 1.4299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      10605 days (29.03 yr)  
   first obs. used      1991-01-11  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56646  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:14:50  

Additional Information
 Earth MOID = 1.42451 au 
 Jupiter MOID = 2.54642 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 15.0   n/a MPO493388  

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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