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58638 (1997 WA17)
Classification: Main-belt Asteroid          SPK-ID: 2058638
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .06437643480172733 4.9337e-08  
a 2.934994744760946 2.5658e-08 au
q 2.746050246931431 1.4704e-07 au
i 12.07024841252129 8.0851e-06 deg
node 236.2573884759535 2.763e-05 deg
peri 213.6533832529325 7.0321e-05 deg
M 45.01217221307371 6.4387e-05 deg
tp 2458370.865630424997
(2018-Sep-09.36563043)
0.00032799 TDB
period 1836.578173914256
5.03
2.4083e-05
6.594e-08
d
yr
n .1960167038426361 2.5704e-09 deg/d
Q 3.123939242590461 2.731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      7807 days (21.37 yr)  
   first obs. used      1997-11-19  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6629  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:35:38  

Additional Information
 Earth MOID = 1.76955 au 
 Jupiter MOID = 2.16695 au 
 T_jup = 3.239 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO436191  
diameter diameter 6.224 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58638 (1997 WA17)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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