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173545 (2000 WF179)
Classification: Main-belt Asteroid          SPK-ID: 2173545
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2173996552071213 3.7763e-08  
a 2.237382136253701 1.3007e-08 au
q 1.750976031265574 8.4544e-08 au
i 6.697966920018207 5.1427e-06 deg
node 126.8999401176149 3.611e-05 deg
peri 243.1799728778503 3.9361e-05 deg
M 334.3341964238397 2.0671e-05 deg
tp 2459087.648725807371
(2020-Aug-26.14872581)		 7.0727e-05 TDB
period 1222.386869655428
3.35		 1.066e-05
2.919e-08		 d
yr
n .2945057812192293 2.5682e-09 deg/d
Q 2.723788241241829 1.5835e-08 au
   Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      6783 days (18.57 yr)  
   first obs. used      2000-10-31  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:05:57  

Additional Information
 Earth MOID = .762092 au 
 Jupiter MOID = 2.75521 au 
 T_jup = 3.597 
[ 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 16.4   n/a MPO436861  
diameter diameter 1.439 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.253   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173545 (2000 WF179)          Discovered 2000-Nov-26 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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