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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587353127021939 6.1696e-08  
a 2.23126500458426 2.1288e-08 au
q 1.877084456360115 1.3626e-07 au
i 7.256015972632836 8.0805e-06 deg
node 214.2554294128696 4.759e-05 deg
peri 63.36437336138079 5.6419e-05 deg
M 278.8343744790915 3.7279e-05 deg
tp 2457674.969946106628
(2016-Oct-13.46994611)
0.00012861 JED
period 1217.377183558233
3.33
1.7422e-05
4.77e-08
d
yr
n .295717715809136 4.232e-09 deg/d
Q 2.585445552808404 2.4667e-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 = .872899 au 
 Jupiter MOID = 2.52975 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  
rotation period rot_per 4.1574 h n/a LCDB (Rev. 2015-December); 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. (2015) 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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