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101457 (1998 WF6)
Classification: Main-belt Asteroid          SPK-ID: 2101457
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2336511222180856 4.9685e-08  
a 2.390050155306655 8.305e-09 au
q 1.831612254361745 1.1799e-07 au
i 13.4947761771824 5.1623e-06 deg
node 55.87653309239884 2.0009e-05 deg
peri 293.7932352925982 2.2013e-05 deg
M 342.9851646998469 8.4265e-06 deg
tp 2459064.287296788134
(2020-Aug-02.78729679)
3.1621e-05 TDB
period 1349.612055517314
3.70
7.0345e-06
1.926e-08
d
yr
n .2667433197030905 1.3903e-09 deg/d
Q 2.948488056251565 1.0245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      8573 days (23.47 yr)  
   first obs. used      1997-05-07  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:29  

Additional Information
 Earth MOID = .874353 au 
 Jupiter MOID = 2.60997 au 
 T_jup = 3.459 
[ 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 15.7   n/a MPO337992  
diameter diameter 2.702 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101457 (1998 WF6)          Discovered 1998-Nov-21 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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