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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181122289506899 3.8229e-08  
a 2.237176281692417 1.2988e-08 au
q 1.749220776336868 8.5688e-08 au
i 6.695582683626355 5.4261e-06 deg
node 126.9260219832946 3.6252e-05 deg
peri 243.2010573508549 3.9589e-05 deg
M 216.5541867080829 2.0067e-05 deg
tp 2459087.505776762041
(2020-Aug-26.00577676)
7.0989e-05 TDB
period 1222.218171523406
3.35
1.0643e-05
2.914e-08
d
yr
n .2945464307336279 2.5649e-09 deg/d
Q 2.725131787047967 1.582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      6765 days (18.52 yr)  
   first obs. used      2000-10-31  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55489  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:13  

Additional Information
 Earth MOID = .759542 au 
 Jupiter MOID = 2.75047 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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