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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103945888969155 5.9967e-08  
a 3.243491755607343 2.1062e-08 au
q 2.906344121706613 1.9657e-07 au
i 5.673712476104432 4.248e-06 deg
node 76.10878159782065 6.4109e-05 deg
peri 304.3761024763104 6.7605e-05 deg
M 6.279019609794132 2.004e-05 deg
tp 2459163.285947751509
(2020-Nov-09.78594775)		 0.00011884 TDB
period 2133.622705773972
5.84		 2.0782e-05
5.69e-08		 d
yr
n .1687271132922304 1.6434e-09 deg/d
Q 3.580639389508073 2.3251e-08 au
   Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      8477 days (23.21 yr)  
   first obs. used      1997-10-28  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56009  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:54  

Additional Information
 Earth MOID = 1.91296 au 
 Jupiter MOID = 1.88172 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 14.55   n/a E2021B55  
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

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