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JPL Small-Body Database Browser
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58905 (1998 KE11)
Classification: Main-belt Asteroid          SPK-ID: 2058905
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 .1118738390913711 5.2354e-08  
a 3.125419748313675 3.1572e-08 au
q 2.775767042297838 1.6676e-07 au
i 14.46596406153147 6.903e-06 deg
node 152.9204758146796 2.3487e-05 deg
peri 128.74144647 4.7209e-05 deg
M 319.4444779289562 4.8029e-05 deg
tp 2459227.857063047321
(2021-Jan-13.35706305)
0.0002714 TDB
period 2018.184910889723
5.53
3.058e-05
8.372e-08
d
yr
n .1783781050276969 2.7029e-09 deg/d
Q 3.475072454329514 3.5104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      7925 days (21.70 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:39:06  

Additional Information
 Earth MOID = 1.7856 au 
 Jupiter MOID = 1.90784 au 
 T_jup = 3.156 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456615.5 (2013-Nov-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100095423556715 5.2377e-08  
q 2.781950017095568 1.6638e-07 au
tp 2457208.645522980363
(2015-Jul-05.14552298)
0.0002563 TDB
node 152.9496085552149 2.3491e-05 deg
peri 128.7412549397 4.7737e-05 deg
i 14.46263363451368 6.9014e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      7925 days (21.70 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:39:06  

Additional Information
 Jupiter MOID = 1.90784 au 
 T_jup = 3.156 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.74331373175686E-15 -8.584950802612018E-15 6.42388518662048E-13 1.465287841675482E-14 1.177561027440067E-13 1.099996767704012E-15
q -8.584950802612018E-15 2.768169314972269E-14 2.068151564692982E-12 -4.313444919289736E-14 2.507678324799068E-13 7.081868075790893E-15
tp 6.42388518662048E-13 2.068151564692982E-12 6.568779202629058E-8 1.648690393560227E-11 1.068822806151676E-8 1.86023483615725E-11
node 1.465287841675482E-14 -4.313444919289736E-14 1.648690393560227E-11 5.518294029920149E-10 -5.307096056925143E-10 1.297476536354002E-11
peri 1.177561027440067E-13 2.507678324799068E-13 1.068822806151676E-8 -5.307096056925143E-10 2.278853930839627E-9 -9.453455040804362E-12
i 1.099996767704012E-15 7.081868075790893E-15 1.86023483615725E-11 1.297476536354002E-11 -9.453455040804362E-12 4.762994557025074E-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 14.3   n/a MPO302383  
diameter diameter 3.840 km 0.976 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58905 (1998 KE11)          Discovered 1998-May-23 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KE11 = 1999 RV71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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