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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590928257548442 2.3615e-08  
a 2.230317974649261 6.7357e-09 au
q 1.875490385730489 5.0942e-08 au
i 7.256909570076054 4.2567e-06 deg
node 214.2232732380362 2.2286e-05 deg
peri 63.38118496983774 2.7056e-05 deg
M 91.30829403339726 1.5131e-05 deg
tp 2458891.928130653834
(2020-Feb-12.42813065)
5.108e-05 TDB
period 1216.60221714348
3.33
5.5113e-06
1.509e-08
d
yr
n .2959060857584672 1.3405e-09 deg/d
Q 2.585145563568033 7.8073e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1865  
   data-arc span      11129 days (30.47 yr)  
   first obs. used      1990-09-16  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:03:46  

Additional Information
 Earth MOID = .871016 au 
 Jupiter MOID = 2.53563 au 
 T_jup = 3.615 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457747.5 (2016-Dec-25.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158628569986427 2.3601e-08  
q 1.87683194386913 5.0896e-08 au
tp 2457675.221294953929
(2016-Oct-13.72129495)
5.1487e-05 TDB
node 214.2515728161483 2.2278e-05 deg
peri 63.46798385718386 2.7077e-05 deg
i 7.257486006553937 4.257e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1865  
   data-arc span      11129 days (30.47 yr)  
   first obs. used      1990-09-16  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:03:46  

Additional Information
 Jupiter MOID = 2.53563 au 
 T_jup = 3.615 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.570116809570462E-16 -1.194646067298799E-15 -1.288880413904886E-13 -3.137214755424696E-15 -4.908328716712253E-14 8.922847953524263E-16
q -1.194646067298799E-15 2.590432688938145E-15 2.602765975145151E-13 7.060352370190334E-15 1.008063516441279E-13 -1.966592476317546E-15
tp -1.288880413904886E-13 2.602765975145151E-13 2.650955124707728E-9 -6.510171055938935E-12 7.981931223587567E-10 -4.032398914599426E-12
node -3.137214755424696E-15 7.060352370190334E-15 -6.510171055938935E-12 4.962884426652145E-10 -4.938311040331489E-10 -3.730250315970147E-11
peri -4.908328716712253E-14 1.008063516441279E-13 7.981931223587567E-10 -4.938311040331489E-10 7.331449148982876E-10 3.5797884313276E-11
i 8.922847953524263E-16 -1.966592476317546E-15 -4.032398914599426E-12 -3.730250315970147E-11 3.5797884313276E-11 1.812232719821535E-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 15.02   n/a E2021B10  
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. 2020-October); 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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