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243308 (2008 KJ30)
Classification: Main-belt Asteroid          SPK-ID: 2243308
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2231374864076204 7.6829e-08  
a 2.632610928488789 3.0906e-08 au
q 2.045176743216569 2.1016e-07 au
i 15.0191151745882 8.7484e-06 deg
node 173.4551927383713 2.3103e-05 deg
peri 179.3696706961479 2.6517e-05 deg
M 116.867213785189 1.3705e-05 deg
tp 2458094.012611391607
(2017-Dec-06.51261139)
5.6159e-05 TDB
period 1560.19343657981
4.27
2.7474e-05
7.522e-08
d
yr
n .230740619438303 4.0632e-09 deg/d
Q 3.220045113761009 3.7802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6265 days (17.15 yr)  
   first obs. used      2000-08-31  
   last obs. used      2017-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60505  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:32:10  

Additional Information
 Earth MOID = 1.03917 au 
 Jupiter MOID = 2.22347 au 
 T_jup = 3.316 
[ 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 16.5   n/a MPO422945  
diameter diameter 2.432 km 0.526 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243308 (2008 KJ30)          Discovered 2008-May-29 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 KJ30 = 2000 QQ162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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