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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2445312517273972 2.4272e-07  
a 3.139298232137916 9.5467e-08 AU
q 2.371641705887626 7.7163e-07 AU
i 14.91688418168726 2.2595e-05 deg
node 299.2137309742938 7.0492e-05 deg
peri 60.60613322628267 8.3677e-05 deg
M 298.5927801800992 5.0282e-05 deg
tp 2457147.048660620944
(2015-May-04.54866062)
0.00029532 JED
period 2031.64250375505
5.56
9.2674e-05
2.537e-07
d
yr
n .1771965290815772 8.0829e-09 deg/d
Q 3.906954758388205 1.1881e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5350 days (14.65 yr)  
   first obs. used      1998-08-27  
   last obs. used      2013-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59847  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-09 13:44:09  

Additional Information
 Earth MOID = 1.40574 AU 
 T_jup = 3.113 
[ 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 15.1 mag n/a MPO260495  

257550 (1998 SV43)          Discovered 1998-Sep-26 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
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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