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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586140250695701 5.5816e-08  
a 2.230653393236582 1.292e-08 au
q 1.876840480000233 1.2831e-07 au
i 7.257478280318193 7.6464e-06 deg
node 214.2517850307519 3.9048e-05 deg
peri 63.4512753477632 4.6937e-05 deg
M 337.9062994418141 2.8182e-05 deg
tp 2457675.181413571546
(2016-Oct-13.68141357)
9.5467e-05 JED
period 1216.87667554611
3.33
1.0572e-05
2.894e-08
d
yr
n .2958393461181588 2.5703e-09 deg/d
Q 2.584466306472931 1.4969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      9344 days (25.58 yr)  
   first obs. used      1990-09-16  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49726  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:27:36  

Additional Information
 Earth MOID = .873966 au 
 Jupiter MOID = 2.53212 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 14.9 mag n/a MPO365462  
rotation period rot_per 4.1574 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

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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