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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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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039560746313645 6.0245e-08  
a 3.243652341348359 2.2072e-08 au
q 2.906454976472949 1.9787e-07 au
i 5.673727047514159 4.3288e-06 deg
node 76.10915595540719 6.692e-05 deg
peri 304.2829568434802 7.0371e-05 deg
M 332.610270230527 2.0947e-05 deg
tp 2459162.843581682510
(2020-Nov-09.34358168)
0.000124 TDB
period 2133.781161683503
5.84
2.178e-05
5.963e-08
d
yr
n .1687145835123825 1.7221e-09 deg/d
Q 3.58084970622377 2.4367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      8397 days (22.99 yr)  
   first obs. used      1997-10-28  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57087  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:56  

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

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