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7398 Walsh (1986 VM)
Classification: Main-belt Asteroid          SPK-ID: 2007398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03553162120421188 3.3749e-08  
a 2.193741345785549 5.293e-09 au
q 2.115794159267079 7.4523e-08 au
i 4.875072648062136 2.7036e-06 deg
node 267.6203433833187 3.9209e-05 deg
peri 245.768769367892 5.4573e-05 deg
M 9.938018276633526 3.7455e-05 deg
tp 2458967.737740341223
(2020-Apr-28.23774034)
0.00012348 TDB
period 1186.797322046685
3.25
4.2952e-06
1.176e-08
d
yr
n .3033373882064073 1.0978e-09 deg/d
Q 2.271688532304019 5.4811e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2354  
   data-arc span      23910 days (65.46 yr)  
   first obs. used      1954-12-22  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:28:25  

Additional Information
 Earth MOID = 1.13143 au 
 Jupiter MOID = 2.72087 au 
 T_jup = 3.665 
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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 14.3   n/a MPO502223  
diameter diameter 3.437 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.342   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7398 Walsh           Discovered 1986 Nov. 3 by A. Mrkos at Klet.
Named in honor of Martin F. Walsh (b. 1966) on the occasion of his marriage to Aurélie Machon near Paris on 1998 June 6. Name suggested by G. V. Williams, who made the identifications for this object and has known the bridegroom for more than 20 years.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980610/MPCPages.arcLast Updated: 2009-11-17

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Alternate Designations
 1986 VM = 1983 XZ = 1994 BY3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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