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85805 (1998 WS6)
Classification: Main-belt Asteroid          SPK-ID: 2085805
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 .1443819399898082 4.3428e-08  
a 2.388280861047175 1.0731e-08 au
q 2.043456237088654 1.0504e-07 au
i .4685912875832213 5.175e-06 deg
node 158.4750164009398 0.00052862 deg
peri 230.2949442644776 0.00052894 deg
M 216.8445492592298 2.0146e-05 deg
tp 2459136.582848227117
(2020-Oct-14.08284823)
7.766e-05 TDB
period 1348.113706904765
3.69
9.0861e-06
2.488e-08
d
yr
n .267039789118791 1.7998e-09 deg/d
Q 2.733105485005696 1.2281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      8420 days (23.05 yr)  
   first obs. used      1996-03-26  
   last obs. used      2019-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57903  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:55:57  

Additional Information
 Earth MOID = 1.04766 au 
 Jupiter MOID = 2.70007 au 
 T_jup = 3.519 
[ 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 16.1   n/a MPO436375  
diameter diameter 3.922 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85805 (1998 WS6)          Discovered 1998-Nov-24 by Cooney Jr., W. R., Motl, P. M. at Baton Rouge
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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