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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594906294640697 6.1788e-08  
a 2.230395825344025 2.0916e-08 AU
q 1.874668591205873 1.3656e-07 AU
i 7.254588896329374 8.1214e-06 deg
node 214.3207931408656 4.7634e-05 deg
peri 63.27883018413696 5.6386e-05 deg
M 160.5929649105954 3.6093e-05 deg
tp 2456457.755591838745
(2013-Jun-14.25559184)
0.00011745 JED
period 1216.665917132967
3.33
1.7114e-05
4.686e-08
d
yr
n .2958905932438119 4.1622e-09 deg/d
Q 2.586123059482177 2.4252e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      8921 days (24.42 yr)  
   first obs. used      1990-09-16  
   last obs. used      2015-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50647  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:50:26  

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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