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JPL Small-Body Database Browser
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20383 (1998 KU51)
Classification: Main-belt Asteroid          SPK-ID: 2020383
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064577906069034 3.7945e-08  
a 3.016923474452187 1.6209e-08 au
q 2.695748466931905 1.2036e-07 au
i 11.73846549953042 3.9077e-06 deg
node 133.5734873106544 2.1839e-05 deg
peri 166.6502540383313 3.1112e-05 deg
M 308.2687277529852 2.176e-05 deg
tp 2458875.539789392827
(2020-Jan-27.03978939)		 0.0001154 TDB
period 1914.012934161529
5.24		 1.5425e-05
4.223e-08		 d
yr
n .1880865032700028 1.5158e-09 deg/d
Q 3.33809848197247 1.7934e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1700  
   data-arc span      9594 days (26.27 yr)  
   first obs. used      1993-06-17  
   last obs. used      2019-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:43:42  

Additional Information
 Earth MOID = 1.68109 au 
 Jupiter MOID = 1.92291 au 
 T_jup = 3.207 
[ show covariance matrix ]

[ 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 13.3   n/a MPO435888  
diameter diameter 9.141 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20383 (1998 KU51)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KU51 = 1993 MD 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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