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JPL Small-Body Database Browser
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305989 (2009 JK6)
Classification: Outer Main-belt Asteroid          SPK-ID: 2305989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08852199546157963 4.8664e-08  
a 3.215999319539266 4.2151e-08 au
q 2.931312642370568 1.5466e-07 au
i 9.799016973199821 4.8097e-06 deg
node 131.0309667701895 3.8411e-05 deg
peri 237.406924622508 5.2184e-05 deg
M 132.6381917478718 3.7149e-05 deg
tp 2457824.362904762873
(2017-Mar-11.86290476)
0.00021292 TDB
period 2106.552800542448
5.77
4.1414e-05
1.134e-07
d
yr
n .1708953129051871 3.3598e-09 deg/d
Q 3.500685996707964 4.5882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      5731 days (15.69 yr)  
   first obs. used      2003-06-02  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:15:21  

Additional Information
 Earth MOID = 1.94255 au 
 Jupiter MOID = 1.95891 au 
 T_jup = 3.161 
[ 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 14.8   n/a MPO433971  

305989 (2009 JK6)          Discovered 2009-May-13 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 JK6 = 2005 TZ3 = 2008 EA88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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