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245449 (2005 KE9)
Classification: Main-belt Asteroid          SPK-ID: 2245449
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05714678352901844 5.0583e-08  
a 3.186763131148492 4.6781e-08 au
q 3.004649868334492 1.5731e-07 au
i 10.08574918963871 7.3952e-06 deg
node 67.76065773191772 3.9134e-05 deg
peri 236.7719744099556 8.5836e-05 deg
M 175.6230201406518 7.6825e-05 deg
tp 2457986.817279552203
(2017-Aug-21.31727955)
0.00044566 TDB
period 2077.892630868934
5.69
4.5754e-05
1.253e-07
d
yr
n .1732524552288609 3.8149e-09 deg/d
Q 3.368876393962492 4.9454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6673 days (18.27 yr)  
   first obs. used      2001-10-16  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:43:06  

Additional Information
 Earth MOID = 2.00357 au 
 Jupiter MOID = 1.77214 au 
 T_jup = 3.171 
[ 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 15.3   n/a MPO334448  
diameter diameter 3.924 km 1.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245449 (2005 KE9)          Discovered 2005-May-21 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2005 KE9 = 2007 YD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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