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JPL Small-Body Database Browser
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266717 (2009 QK55)
Classification: Main-belt Asteroid          SPK-ID: 2266717
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09303024501632429 1.0293e-07  
a 2.465238724211564 2.7323e-08 au
q 2.235896961674432 2.4026e-07 au
i 4.631103890035342 7.8936e-06 deg
node 209.7955154910553 7.9198e-05 deg
peri 118.1341934547802 9.3086e-05 deg
M 197.1860333049141 5.5252e-05 deg
tp 2459239.905039677802
(2021-Jan-25.40503968)
0.00022439 TDB
period 1413.796487835072
3.87
2.3504e-05
6.435e-08
d
yr
n .2546335367909021 4.2332e-09 deg/d
Q 2.694580486748696 2.9864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6403 days (17.53 yr)  
   first obs. used      2001-08-18  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57665  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:37:17  

Additional Information
 Earth MOID = 1.22839 au 
 Jupiter MOID = 2.56803 au 
 T_jup = 3.477 
[ 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 17.1   n/a MPO433731  

266717 (2009 QK55)          Discovered 2009-Aug-29 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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