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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105252563242536 1.805e-08  
a 3.013937103479961 1.287e-08 au
q 2.696712497886911 5.6547e-08 au
i 11.75069222294315 5.9555e-07 deg
node 133.5264475794619 5.2119e-06 deg
peri 166.1287854735569 1.7382e-05 deg
M 61.66731862232145 1.441e-05 deg
tp 2458873.119906277925
(2020-Jan-24.61990628)		 7.6804e-05 TDB
period 1911.171693093316
5.23		 1.2241e-05
3.351e-08		 d
yr
n .1883661218408504 1.2065e-09 deg/d
Q 3.331161709073011 1.4224e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2260  
   data-arc span      10099 days (27.65 yr)  
   first obs. used      1993-06-17  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:19:03  

Additional Information
 Earth MOID = 1.68091 au 
 Jupiter MOID = 1.92986 au 
 T_jup = 3.208 
[ 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 13.33   n/a E2021B10  
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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