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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3339533975270533 3.5707e-08  
a 2.783566881421183 8.7705e-09 au
q 1.853985264126795 1.0012e-07 au
i 10.49202037060907 3.5207e-06 deg
node 191.0827790773979 1.6211e-05 deg
peri 161.0789396830482 1.7709e-05 deg
M 16.05348127841383 3.9953e-06 deg
tp 2459124.857191874229
(2020-Oct-02.35719187)
1.8886e-05 TDB
period 1696.293187315954
4.64
8.0171e-06
2.195e-08
d
yr
n .2122274632073647 1.003e-09 deg/d
Q 3.713148498715571 1.1699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1132  
   data-arc span      13583 days (37.19 yr)  
   first obs. used      1983-11-04  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:55  

Additional Information
 Earth MOID = .851064 au 
 Jupiter MOID = 1.76963 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 15.16   n/a E2021B55  
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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