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JPL Small-Body Database Browser
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305943 (2009 HK13)
Classification: Main-belt Asteroid          SPK-ID: 2305943
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 .008875404260522681 6.6691e-08  
a 2.769121691733356 3.7716e-08 au
q 2.74454461727264 1.871e-07 au
i 4.676605009232115 6.736e-06 deg
node 21.24864553496036 7.9363e-05 deg
peri 134.2301069213147 0.00035193 deg
M 93.10725655043589 0.00034309 deg
tp 2458165.196139492066
(2018-Feb-15.69613949)
0.0016037 TDB
period 1683.106082048152
4.61
3.4386e-05
9.414e-08
d
yr
n .2138902614872144 4.3698e-09 deg/d
Q 2.793698766194071 3.8051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      6549 days (17.93 yr)  
   first obs. used      2000-04-12  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:12:37  

Additional Information
 Earth MOID = 1.74974 au 
 Jupiter MOID = 2.16703 au 
 T_jup = 3.333 
[ 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 16.7   n/a MPO437358  

305943 (2009 HK13)          Discovered 2009-Apr-17 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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