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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594906302998728 6.1765e-08  
a 2.23039582591543 2.0889e-08 AU
q 1.874668589821972 1.3653e-07 AU
i 7.254589140120045 8.0797e-06 deg
node 214.3207928397476 4.762e-05 deg
peri 63.27882964589926 5.6348e-05 deg
M 160.5929653560426 3.6082e-05 deg
tp 2456457.755590124731
(2013-Jun-14.25559012)
0.0001174 JED
period 1216.665917600513
3.33
1.7092e-05
4.68e-08
d
yr
n .2958905931301056 4.1567e-09 deg/d
Q 2.586123062008886 2.422e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      8947 days (24.50 yr)  
   first obs. used      1990-09-16  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51085  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:58:19  

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 14.8 mag n/a MPO324470  

17457 (1990 SC11)          Discovered 1990-Sep-16 by Holt, H. E. at Palomar
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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