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JPL Small-Body Database Browser
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172987 (2006 KP28)
Classification: Main-belt Asteroid          SPK-ID: 2172987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351816555404546 3.9226e-08  
a 2.303207597432243 1.3347e-08 au
q 1.991856181358 8.9946e-08 au
i 4.536159580136404 5.3845e-06 deg
node 65.01871200241855 5.6326e-05 deg
peri 279.3734973397806 6.0143e-05 deg
M 270.3893620620973 2.0618e-05 deg
tp 2459318.300899322945
(2021-Apr-13.80089932)
7.3901e-05 TDB
period 1276.727031399349
3.50
1.1098e-05
3.038e-08
d
yr
n .2819710017461009 2.451e-09 deg/d
Q 2.614559013506487 1.5151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6638 days (18.17 yr)  
   first obs. used      2000-11-21  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:19:43  

Additional Information
 Earth MOID = .990492 au 
 Jupiter MOID = 2.77082 au 
 T_jup = 3.573 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO422660  

172987 (2006 KP28)          Discovered 2006-May-20 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2006 KP28 = 2000 WJ138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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