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JPL Small-Body Database Browser
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305998 (2009 KH17)
Classification: Main-belt Asteroid          SPK-ID: 2305998
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 .02842355374806529 6.7436e-08  
a 3.188936628262886 6.3657e-08 au
q 3.098295716610282 2.2699e-07 au
i 9.866452919021496 7.3948e-06 deg
node 87.67773939004761 4.1318e-05 deg
peri 166.8989962981642 0.0001385 deg
M 247.6427222668828 0.00013345 deg
tp 2459249.681249812332
(2021-Feb-04.18124981)
0.00077687 TDB
period 2080.018799383522
5.69
6.2282e-05
1.705e-07
d
yr
n .173075358793246 5.1824e-09 deg/d
Q 3.27957753991549 6.5466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5759 days (15.77 yr)  
   first obs. used      2003-05-01  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57014  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:39:20  

Additional Information
 Earth MOID = 2.08337 au 
 Jupiter MOID = 1.76681 au 
 T_jup = 3.174 
[ 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 15.8   n/a MPO433971  

305998 (2009 KH17)          Discovered 2009-May-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 KH17 = 2010 JD62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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