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17457 (1990 SC11)
Classification: Main-belt Asteroid          SPK-ID: 2017457
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594906341549692 6.2122e-08  
a 2.23039582974881 2.1811e-08 AU
q 1.874668584445573 1.3686e-07 AU
i 7.254587031580019 8.8638e-06 deg
node 214.3207975428097 4.8457e-05 deg
peri 63.27881953218202 5.7815e-05 deg
M 160.5929680493074 3.6361e-05 deg
tp 2456457.755579623277
(2013-Jun-14.25557962)
0.0001187 JED
period 1216.665920737138
3.33
1.7847e-05
4.886e-08
d
yr
n .2958905923672851 4.3403e-09 deg/d
Q 2.586123075052046 2.529e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      8870 days (24.28 yr)  
   first obs. used      1990-09-16  
   last obs. used      2014-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52882  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:35:32  

Additional Information
 Earth MOID = .873359 AU 
 T_jup = 3.615 
[ 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 14.7 mag n/a MPO226252  

17457 (1990 SC11)          Discovered 1990-Sep-16 by Holt, H. E. at Palomar (675)
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 SC11 = 1999 CH80 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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