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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596444630519532 6.3164e-08  
a 2.230183070647334 2.2789e-08 AU
q 1.874146691826284 1.3994e-07 AU
i 7.255123664354636 9.8981e-06 deg
node 214.3238199561812 5.1433e-05 deg
peri 63.27450225416028 6.2224e-05 deg
M 101.399725041396 3.728e-05 deg
tp 2456457.855728397618
(2013-Jun-14.35572840)
0.00012398 JED
period 1216.491836900936
3.33
1.8646e-05
5.105e-08
d
yr
n .2959329352485546 4.536e-09 deg/d
Q 2.586219449468383 2.6427e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      8442 days (23.11 yr)  
   first obs. used      1990-09-16  
   last obs. used      2013-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54149  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-21 06:31:36  

Additional Information
 Earth MOID = .871036 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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