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108397 (2001 KA28)
Classification: Main-belt Asteroid          SPK-ID: 2108397
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2845305171522968 3.5641e-08  
a 2.635986016502322 1.3676e-08 au
q 1.885967552020694 9.6122e-08 au
i 8.22721992565544 5.2328e-06 deg
node 251.008740386749 2.5676e-05 deg
peri 69.41627180110621 2.7053e-05 deg
M 121.6790827685347 9.1397e-06 deg
tp 2458472.144166837374
(2018-Dec-19.64416684)
3.7458e-05 TDB
period 1563.194721810738
4.28
1.2165e-05
3.331e-08
d
yr
n .2302976046279067 1.7922e-09 deg/d
Q 3.38600448098395 1.7567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1005  
   data-arc span      8081 days (22.12 yr)  
   first obs. used      1997-11-20  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:41:04  

Additional Information
 Earth MOID = .891963 au 
 Jupiter MOID = 2.02004 au 
 T_jup = 3.325 
[ 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 14.6   n/a MPO502751  
diameter diameter 3.991 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108397 (2001 KA28)          Discovered 2001-May-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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