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243307 (2008 KX12)
Classification: Main-belt Asteroid          SPK-ID: 2243307
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835127431006073 5.8327e-08  
a 2.641666062327984 2.6759e-08 au
q 2.156886676874395 1.4851e-07 au
i 2.241053995972424 8.6235e-06 deg
node 165.6136557798407 0.00015599 deg
peri 124.3038064774356 0.00015774 deg
M 157.7851548273584 2.4472e-05 deg
tp 2457913.148409970410
(2017-Jun-08.64840997)
0.00010314 TDB
period 1568.25002124818
4.29
2.3829e-05
6.524e-08
d
yr
n .2295552336185998 3.488e-09 deg/d
Q 3.126445447781572 3.167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      7220 days (19.77 yr)  
   first obs. used      1999-03-10  
   last obs. used      2018-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:43:45  

Additional Information
 Earth MOID = 1.14094 au 
 Jupiter MOID = 2.0549 au 
 T_jup = 3.369 
[ 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 16.9   n/a MPO270940  
diameter diameter 2.884 km 0.790 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243307 (2008 KX12)          Discovered 2008-May-27 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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