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100667 (1997 WH40)
Classification: Main-belt Asteroid          SPK-ID: 2100667
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707602709354545 5.5126e-08  
a 2.445945938979917 1.2818e-08 au
q 2.028275547746232 1.3564e-07 au
i .9542706902849581 5.9941e-06 deg
node 180.6749444132415 0.00024374 deg
peri 230.2220110506397 0.00024448 deg
M 328.2262511542984 1.4874e-05 deg
tp 2459123.820326337583
(2020-Oct-01.32032634)
5.7737e-05 TDB
period 1397.232592764572
3.83
1.0983e-05
3.007e-08
d
yr
n .2576521631861607 2.0254e-09 deg/d
Q 2.863616330213602 1.5007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      561  
   data-arc span      7450 days (20.40 yr)  
   first obs. used      1997-11-29  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66536  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:10:13  

Additional Information
 Earth MOID = 1.03907 au 
 Jupiter MOID = 2.49982 au 
 T_jup = 3.478 
[ 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 16.1   n/a MPO436469  

100667 (1997 WH40)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 WH40 = 2001 XG65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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