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10717 Dickwalker (1983 XC)
Classification: Main-belt Asteroid          SPK-ID: 2010717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727176756438724 4.7365e-08  
a 2.290912106819123 9.3233e-09 au
q 1.895231092624917 1.0623e-07 au
i 7.637896936997103 4.0211e-06 deg
node 84.23550451111592 3.5033e-05 deg
peri 309.5952119623463 3.7248e-05 deg
M 97.29520327253157 1.3501e-05 deg
tp 2458258.205440136929
(2018-May-19.70544014)
4.7001e-05 TDB
period 1266.517129375222
3.47
7.7315e-06
2.117e-08
d
yr
n .2842440829660072 1.7352e-09 deg/d
Q 2.686593121013328 1.0934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      12981 days (35.54 yr)  
   first obs. used      1983-11-06  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51474  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:08:15  

Additional Information
 Earth MOID = .912325 au 
 Jupiter MOID = 2.74239 au 
 T_jup = 3.567 
[ 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 14.6   n/a MPO381350  
diameter diameter 3.316 km 0.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10717 Dickwalker           Discovered 1983 Dec. 1 by E. Bowell at Lowell Observatory's Anderson Mesa Station.
Richard L. ("Dick") Walker (1938-2005) was an astronomer at the U.S. Naval Observatory, first in Washington, D.C., then in Flagstaff, Arizona. A specialist in double stars, Walker was also involved in the search for new Saturnian satellites at the ring-plane passage in 1966.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

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Alternate Designations
 1983 XC = 1990 WB16 = 1993 QP10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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