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257550 (1998 SV43)
Classification: Main-belt Asteroid          SPK-ID: 2257550
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2440974954939436 1.1582e-07  
a 3.137799178455073 5.2851e-08 au
q 2.371870257631235 3.5583e-07 au
i 14.91702594487651 1.174e-05 deg
node 299.2073175715787 4.8354e-05 deg
peri 60.54757195683422 5.5185e-05 deg
M 80.44882536099786 2.6134e-05 deg
tp 2457146.816117502964
(2015-May-04.31611750)
0.0001446 JED
period 2030.1874759021
5.56
5.1292e-05
1.404e-07
d
yr
n .1773235251784008 4.48e-09 deg/d
Q 3.90372809927891 6.5751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      6369 days (17.44 yr)  
   first obs. used      1998-08-27  
   last obs. used      2016-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58655  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 11:34:22  

Additional Information
 Earth MOID = 1.40625 au 
 Jupiter MOID = 1.75941 au 
 T_jup = 3.114 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO297442  

257550 (1998 SV43)          Discovered 1998-Sep-26 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Alternate Designations
 1998 SV43 = 2000 AW218 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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