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JPL Small-Body Database Browser
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305994 (2009 KG7)
Classification: Main-belt Asteroid          SPK-ID: 2305994
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605246838620763 1.0568e-07  
a 2.721816549536771 4.3211e-08 au
q 2.284897808391813 2.6368e-07 au
i 12.45656746327084 9.373e-06 deg
node 66.69935767671917 3.7969e-05 deg
peri 95.53217895393223 5.063e-05 deg
M 132.4497325133993 3.6201e-05 deg
tp 2457997.058342970937
(2017-Aug-31.55834297)
0.00015631 TDB
period 1640.161836555508
4.49
3.9059e-05
1.069e-07
d
yr
n .2194905356144815 5.2269e-09 deg/d
Q 3.158735290681729 5.0148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5748 days (15.74 yr)  
   first obs. used      2002-10-15  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:16:51  

Additional Information
 Earth MOID = 1.33303 au 
 Jupiter MOID = 1.95899 au 
 T_jup = 3.306 
[ 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 16.1   n/a MPO455254  

305994 (2009 KG7)          Discovered 2009-May-18 by La Sagra at La Sagra
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 KG7 = 2007 XT37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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