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245613 (2005 WS71)
Classification: Main-belt Asteroid          SPK-ID: 2245613
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010019168514332 5.5109e-08  
a 2.250088330861221 1.3891e-08 au
q 1.797816263273073 1.2135e-07 au
i 5.423557891832824 6.8183e-06 deg
node 266.0851185908767 7.7994e-05 deg
peri 194.6764339343849 8.4151e-05 deg
M 80.74699668871617 3.0485e-05 deg
tp 2458723.983115360592
(2019-Aug-28.48311536)
0.00010285 TDB
period 1232.814625340708
3.38
1.1417e-05
3.126e-08
d
yr
n .2920147056987649 2.7042e-09 deg/d
Q 2.702360398449368 1.6684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6175 days (16.91 yr)  
   first obs. used      2003-03-10  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:44:54  

Additional Information
 Earth MOID = .815281 au 
 Jupiter MOID = 2.46333 au 
 T_jup = 3.595 
[ 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 17.4   n/a MPO254445  
diameter diameter 1.518 km 0.354 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.111   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245613 (2005 WS71)          Discovered 2005-Nov-21 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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