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100663 (1997 WN30)
Classification: Outer Main-belt Asteroid          SPK-ID: 2100663
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103956077695235 6.0703e-08  
a 3.243652334890342 2.9091e-08 au
q 2.906454960748151 2.0208e-07 au
i 5.673728337753018 4.8697e-06 deg
node 76.10916791702445 6.9523e-05 deg
peri 304.2829406514669 7.3985e-05 deg
M 332.6102760946137 2.7192e-05 deg
tp 2459162.843546440239
(2020-Nov-09.34354644)		 0.00016196 TDB
period 2133.781155311059
5.84		 2.8706e-05
7.859e-08		 d
yr
n .1687145840162413 2.2697e-09 deg/d
Q 3.580849709032533 3.2116e-08 au
   Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      8312 days (22.76 yr)  
   first obs. used      1997-10-28  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:03:37  

Additional Information
 Earth MOID = 1.91437 au 
 Jupiter MOID = 1.88072 au 
 T_jup = 3.167 
[ 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 MPO309883  
diameter diameter 5.495 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100663 (1997 WN30)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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