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17457 (1990 SC11)
Classification: Main-belt Asteroid          SPK-ID: 2017457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159240461223 4.0015e-08  
a 2.230798815792443 9.4346e-09 au
q 1.875565383469932 9.2822e-08 au
i 7.256394857116155 4.998e-06 deg
node 214.2278536311784 2.6299e-05 deg
peri 63.43005411014586 3.203e-05 deg
M 32.07287347869492 2.1794e-05 deg
tp 2458892.076254708289
(2020-Feb-12.57625471)
7.3324e-05 TDB
period 1216.995674894674
3.33
7.7205e-06
2.114e-08
d
yr
n .2958104185794715 1.8766e-09 deg/d
Q 2.586032248114954 1.0937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      10485 days (28.71 yr)  
   first obs. used      1990-09-16  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:04:49  

Additional Information
 Earth MOID = .872886 au 
 Jupiter MOID = 2.53602 au 
 T_jup = 3.615 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456945.5 (2014-Oct-15.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159553850776392 4.0109e-08  
q 1.874430416212543 9.2911e-08 au
tp 2456457.795195792685
(2013-Jun-14.29519579)
6.6712e-05 TDB
node 214.3228660298515 2.6311e-05 deg
peri 63.27430318981362 3.1982e-05 deg
i 7.254855560217343 4.9974e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      10485 days (28.71 yr)  
   first obs. used      1990-09-16  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:04:49  

Additional Information
 Jupiter MOID = 2.53602 au 
 T_jup = 3.615 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.60869554255026E-15 -3.715490992477166E-15 -1.517415155165225E-12 -1.364812962853709E-14 -3.826133951517705E-13 1.008369982478985E-15
q -3.715490992477166E-15 8.632510062187882E-15 3.552848582526894E-12 3.249126662411687E-14 9.009753212382163E-13 -2.073136975622748E-15
tp -1.517415155165225E-12 3.552848582526894E-12 4.450449877327876E-9 2.324726707470797E-11 1.21829403704594E-9 9.569967892249911E-13
node -1.364812962853709E-14 3.249126662411687E-14 2.324726707470797E-11 6.922943995542742E-10 -6.797737510900216E-10 -1.039104825288432E-11
peri -3.826133951517705E-13 9.009753212382163E-13 1.21829403704594E-9 -6.797737510900216E-10 1.02282559042564E-9 1.062244453268118E-11
i 1.008369982478985E-15 -2.073136975622748E-15 9.569967892249911E-13 -1.039104825288432E-11 1.062244453268118E-11 2.497388636560325E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO473999  
diameter diameter 2.319 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.157 h n/a LCDB (Rev. 2019-August); 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.]
geometric albedo albedo 0.433   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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