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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2444581989862254 1.6047e-07  
a 3.139274793080409 8.7346e-08 AU
q 2.371853331041116 5.3641e-07 AU
i 14.91682168240295 1.7625e-05 deg
node 299.2134040358756 5.4992e-05 deg
peri 60.59061526313986 6.5925e-05 deg
M 334.0376506614156 4.5662e-05 deg
tp 2457147.015615786771
(2015-May-04.51561579)
0.00026212 JED
period 2031.619750407134
5.56
8.4791e-05
2.321e-07
d
yr
n .1771985136135128 7.3955e-09 deg/d
Q 3.906696255119702 1.087e-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 = 1.40746 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 15.2 mag n/a MPO297442  

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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