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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07593930891258249 4.2372e-08  
a 3.063176856116566 2.0516e-08 au
q 2.830561322586057 1.3311e-07 au
i 11.78451533299577 4.6155e-06 deg
node 86.84106495328918 2.2497e-05 deg
peri 339.3300126891117 3.8927e-05 deg
M 67.38737595581094 3.0484e-05 deg
tp 2458633.950543785042
(2019-May-30.45054379)
0.00016607 TDB
period 1958.197694534298
5.36
1.9673e-05
5.386e-08
d
yr
n .1838425206018925 1.847e-09 deg/d
Q 3.295792389647076 2.2074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1174  
   data-arc span      8105 days (22.19 yr)  
   first obs. used      1997-11-26  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:55:02  

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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