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4193 Salanave (1981 SM1)
Classification: Main-belt Asteroid          SPK-ID: 2004193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660893357302069 1.0331e-08  
a 3.154296447503282 1.2491e-08 au
q 2.63040144584131 2.9852e-08 au
i 1.893318076477343 5.2104e-07 deg
node 127.3532105987243 2.686e-05 deg
peri 249.8457292295688 2.8622e-05 deg
M 9.240716883738278 7.1717e-06 deg
tp 2459147.976295305316
(2020-Oct-25.47629531)
4.0771e-05 TDB
period 2046.21934942745
5.60
1.2155e-05
3.328e-08
d
yr
n .1759342174634069 1.0451e-09 deg/d
Q 3.678191449165253 1.4566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2855  
   data-arc span      24195 days (66.24 yr)  
   first obs. used      1954-12-22  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44904  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:28:20  

Additional Information
 Earth MOID = 1.63146 au 
 Jupiter MOID = 1.78508 au 
 T_jup = 3.184 
[ 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 12.21   n/a E2021B10  
diameter diameter 17.536 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4193 Salanave           Discovered 1981 Sept. 26 by B. A. Skiff and N. G. Thomas at the Anderson Mesa Station of the Lowell Observatory.
Originally a meteorologist, as first executive officer of the Astronomical Society of the Pacific and first editor of Mercury, Leon E. Salanave took steps to ensure that amateur astronomers felt a sense of "belonging" to an organization dominated by professionals. The name was suggested by W. J. Westbrooke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1981 SM1 = 1975 RJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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