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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606741623031025 8.4258e-08  
a 2.72135653785602 3.1198e-08 au
q 2.284104855807933 2.1698e-07 au
i 12.45643163449 7.9432e-06 deg
node 66.69683401245895 3.5344e-05 deg
peri 95.42229347682488 4.4379e-05 deg
M 220.4079623292462 2.9819e-05 deg
tp 2459636.320812477726
(2022-Feb-25.82081248)
0.00014299 TDB
period 1639.746050787377
4.49
2.8198e-05
7.72e-08
d
yr
n .2195461912087754 3.7754e-09 deg/d
Q 3.158608219904107 3.6211e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7032 days (19.25 yr)  
   first obs. used      2000-04-27  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:58:47  

Additional Information
 Earth MOID = 1.33184 au 
 Jupiter MOID = 1.95812 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 16.2   n/a MPO476363  

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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