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362279 (2009 RK9)
Classification: Main-belt Asteroid          SPK-ID: 2362279
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07100552778025965 4.8958e-08  
a 3.164892373722764 3.666e-08 au
q 2.94016752035886 1.4958e-07 au
i 9.013350842324698 7.8297e-06 deg
node 7.535866618835725 2.9078e-05 deg
peri 272.0209890794735 6.4636e-05 deg
M 81.87961993234717 5.7427e-05 deg
tp 2458732.753913055251
(2019-Sep-06.25391306)
0.00032631 TDB
period 2056.538506642317
5.63
3.5733e-05
9.783e-08
d
yr
n .1750514268695932 3.0415e-09 deg/d
Q 3.389617227086668 3.9263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      7226 days (19.78 yr)  
   first obs. used      2001-03-04  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54134  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:55  

Additional Information
 Earth MOID = 1.94093 au 
 Jupiter MOID = 1.76181 au 
 T_jup = 3.181 
[ 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 15.85   n/a MPCxxxxx  

362279 (2009 RK9)          Discovered 2009-Sep-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

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