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JPL Small-Body Database Browser
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11188 (1998 KD50)
Classification: Outer Main-belt Asteroid          SPK-ID: 2011188
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08377104773967414 3.2222e-08  
a 3.380401834266077 2.0511e-08 au
q 3.097222030828491 1.0791e-07 au
i 11.49445313828326 3.9326e-06 deg
node 183.0773516660672 1.7794e-05 deg
peri 146.9800257823914 2.9886e-05 deg
M 113.4078240059829 2.4219e-05 deg
tp 2458285.359396419923
(2018-Jun-15.85939642)
0.00015259 TDB
period 2270.131003265221
6.22
2.0662e-05
5.657e-08
d
yr
n .1585811565421544 1.4433e-09 deg/d
Q 3.663581637703662 2.2229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2229  
   data-arc span      25373 days (69.47 yr)  
   first obs. used      1950-08-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:57:56  

Additional Information
 Earth MOID = 2.09508 au 
 Jupiter MOID = 1.76193 au 
 T_jup = 3.113 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456976.5 (2014-Nov-15.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08088759450740847 3.1591e-08  
q 3.115307524451817 1.0422e-07 au
tp 2455985.045609789927
(2012-Feb-27.54560979)
0.00016125 TDB
node 183.2989901331935 1.7913e-05 deg
peri 142.9976455586944 3.0734e-05 deg
i 11.43192547512238 3.9189e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2229  
   data-arc span      25373 days (69.47 yr)  
   first obs. used      1950-08-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:57:56  

Additional Information
 Jupiter MOID = 1.76193 au 
 T_jup = 3.113 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.979830140251976E-16 -3.237338455664105E-15 6.401056088453102E-13 4.539224639380583E-15 8.853518712368689E-14 5.698943973523335E-16
q -3.237338455664105E-15 1.086248632031395E-14 -2.269657561929504E-12 -1.842029676404335E-14 -2.845165820284332E-13 -4.412486938250758E-15
tp 6.401056088453102E-13 -2.269657561929504E-12 2.600120767896338E-8 3.011199949709985E-11 4.034125889484491E-9 -3.089366716564337E-13
node 4.539224639380583E-15 -1.842029676404335E-14 3.011199949709985E-11 3.208699377455776E-10 -3.105798638007439E-10 1.137149718644006E-11
peri 8.853518712368689E-14 -2.845165820284332E-13 4.034125889484491E-9 -3.105798638007439E-10 9.445715714751525E-10 -1.156779480223422E-11
i 5.698943973523335E-16 -4.412486938250758E-15 -3.089366716564337E-13 1.137149718644006E-11 -1.156779480223422E-11 1.535800684769055E-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 12.3   n/a MPO337353  
diameter diameter 15.908 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11188 (1998 KD50)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KD50 = 1975 UK = 1991 FG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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