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26992 (1997 WE47)
Classification: Main-belt Asteroid          SPK-ID: 2026992
[ 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07593931343262238 4.1645e-08  
a 3.063176853962482 2.0234e-08 au
q 2.830561306749871 1.3032e-07 au
i 11.78451532880472 4.5445e-06 deg
node 86.84106456678578 2.2183e-05 deg
peri 339.3300121813993 3.8686e-05 deg
M 67.3873774133217 3.0343e-05 deg
tp 2458633.950536243649
(2019-May-30.45053624)		 0.00016536 TDB
period 1958.197692468735
5.36		 1.9402e-05
5.312e-08		 d
yr
n .1838425207958148 1.8216e-09 deg/d
Q 3.295792401175093 2.177e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      8236 days (22.55 yr)  
   first obs. used      1997-11-26  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51368  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:25:50  

Additional Information
 Earth MOID = 1.84815 au 
 Jupiter MOID = 1.96374 au 
 T_jup = 3.197 
[ 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 13.9   n/a MPO337487  

26992 (1997 WE47)          Discovered 1997-Nov-26 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 WE47 = 1999 CP52 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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