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243619 (1999 KK9)
Classification: Main-belt Asteroid          SPK-ID: 2243619
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132868556555577 4.017e-08  
a 2.34412270953736 1.6822e-08 au
q 1.84415214754935 9.7343e-08 au
i 9.53716437218953 6.8442e-06 deg
node 37.15466280272632 2.6199e-05 deg
peri 244.9441887454325 3.1038e-05 deg
M 159.559951227531 1.6612e-05 deg
tp 2458019.481000203933
(2017-Sep-22.98100020)
5.8994e-05 TDB
period 1310.898118966671
3.59
1.4111e-05
3.863e-08
d
yr
n .2746208837981809 2.9562e-09 deg/d
Q 2.844093271525369 2.041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      1999-05-10  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59716  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:31:30  

Additional Information
 Earth MOID = .851546 au 
 Jupiter MOID = 2.34972 au 
 T_jup = 3.513 
[ 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 16.2   n/a MPO418302  
diameter diameter 3.206 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

243619 (1999 KK9)          Discovered 1999-May-18 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1999 KK9 = 2006 HV48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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