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66390 (1999 KL3)
Classification: Main-belt Asteroid          SPK-ID: 2066390
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06795035449940838 4.3306e-08  
a 3.167375504589953 2.4223e-08 au
q 2.952151216220324 1.4146e-07 au
i 10.22890124450743 5.1944e-06 deg
node 65.08817061836912 2.9066e-05 deg
peri 40.25472860329779 5.3355e-05 deg
M 24.88976852523786 4.2782e-05 deg
tp 2458858.147167070382
(2020-Jan-09.64716707)
0.0002447 TDB
period 2058.959278898025
5.64
2.3619e-05
6.467e-08
d
yr
n .1748456143303016 2.0057e-09 deg/d
Q 3.382599792959583 2.5869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      8435 days (23.09 yr)  
   first obs. used      1996-12-03  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:49:17  

Additional Information
 Earth MOID = 1.9774 au 
 Jupiter MOID = 1.82361 au 
 T_jup = 3.175 
[ 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 14.0   n/a MPO417284  
diameter diameter 9.318 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66390 (1999 KL3)          Discovered 1999-May-17 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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