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100671 (1997 WN57)
Classification: Main-belt Asteroid          SPK-ID: 2100671
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .334215272490929 3.7488e-08  
a 2.784650550947305 1.0411e-08 au
q 1.853977808270436 1.0603e-07 au
i 10.49068341508254 3.7946e-06 deg
node 191.0904431286524 2.4202e-05 deg
peri 161.05834079092 2.5091e-05 deg
M 333.6305092556019 5.4662e-06 deg
tp 2459124.823641677676
(2020-Oct-02.32364168)
2.5942e-05 TDB
period 1697.283858751472
4.65
9.5185e-06
2.606e-08
d
yr
n .2121035901825033 1.1895e-09 deg/d
Q 3.715323293624174 1.3891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      13422 days (36.75 yr)  
   first obs. used      1983-11-04  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:03:38  

Additional Information
 Earth MOID = .852733 au 
 Jupiter MOID = 1.76665 au 
 T_jup = 3.225 
[ 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 15.0   n/a MPO412741  
diameter diameter 3.024 km 0.866 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.212   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100671 (1997 WN57)          Discovered 1997-Nov-26 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 WN57 = 2001 KS46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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