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344766 (2003 WE87)
Classification: Main-belt Asteroid          SPK-ID: 2344766
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733992502286464 4.8072e-08  
a 2.722734222247172 2.3833e-08 au
q 1.978340727312918 1.3285e-07 au
i 13.26080079582463 8.3867e-06 deg
node 1.024228521308679 2.6026e-05 deg
peri 58.23260578448511 3.4755e-05 deg
M 258.2516936675863 2.0813e-05 deg
tp 2459464.300262431213
(2021-Sep-06.80026243)
9.893e-05 TDB
period 1640.991388394701
4.49
2.1546e-05
5.899e-08
d
yr
n .2193795790434768 2.8804e-09 deg/d
Q 3.467127717181425 3.0348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      5669 days (15.52 yr)  
   first obs. used      2003-11-21  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59464  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:08  

Additional Information
 Earth MOID = 1.02378 au 
 Jupiter MOID = 2.11595 au 
 T_jup = 3.266 
[ 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 16.3   n/a MPO476592  

344766 (2003 WE87)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2003 WE87 = 2007 RM246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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