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117325 (2004 WU8)
Classification: Main-belt Asteroid          SPK-ID: 2117325
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023316048683984 9.3633e-08  
a 3.175724088078986 4.409e-08 au
q 2.850747145526632 3.0094e-07 au
i 9.946565391435767 7.0934e-06 deg
node 78.35549912657662 4.8013e-05 deg
peri 279.5695070481879 5.7828e-05 deg
M 312.3101203647843 3.551e-05 deg
tp 2459274.333323354631
(2021-Feb-28.83332335)
0.0002063 TDB
period 2067.105162808431
5.66
4.3047e-05
1.179e-07
d
yr
n .1741565966149943 3.6268e-09 deg/d
Q 3.50070103063134 4.8601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7531 days (20.62 yr)  
   first obs. used      1998-09-27  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54256  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:40  

Additional Information
 Earth MOID = 1.86961 au 
 Jupiter MOID = 1.98547 au 
 T_jup = 3.169 
[ 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 14.5   n/a MPO475030  

117325 (2004 WU8)          Discovered 2004-Nov-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 WU8 = 2000 AX131 = 2002 JT128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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