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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2445314027033855 1.6042e-07  
a 3.139298263184564 8.7161e-08 AU
q 2.371641255383741 5.363e-07 AU
i 14.91688447118546 1.7625e-05 deg
node 299.2137172254493 5.4992e-05 deg
peri 60.60612312960932 6.5925e-05 deg
M 298.5927835760029 4.4612e-05 deg
tp 2457147.048646597208
(2015-May-04.54864660)
0.00026211 JED
period 2031.642533893486
5.56
8.4612e-05
2.317e-07
d
yr
n .1771965264529523 7.3797e-09 deg/d
Q 3.906955270985388 1.0848e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      5763 days (15.78 yr)  
   first obs. used      1998-08-27  
   last obs. used      2014-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60041  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 18:24:27  

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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