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266701 (2009 QL7)
Classification: Main-belt Asteroid          SPK-ID: 2266701
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 .07874866352045068 7.6306e-08  
a 3.174398416882982 5.7367e-08 au
q 2.924418784072013 2.797e-07 au
i 8.730904198838207 6.3849e-06 deg
node 272.3048748109188 4.1572e-05 deg
peri 89.74880511221875 5.8604e-05 deg
M 241.7734609910068 4.3954e-05 deg
tp 2459278.926889783292
(2021-Mar-05.42688978)
0.00025618 TDB
period 2065.810962320455
5.66
5.6e-05
1.533e-07
d
yr
n .1742657031869094 4.724e-09 deg/d
Q 3.424378049693951 6.1885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      5849 days (16.01 yr)  
   first obs. used      2003-07-24  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:48  

Additional Information
 Earth MOID = 1.93806 au 
 Jupiter MOID = 1.98928 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456919.5 (2014-Sep-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08102977306212729 7.6466e-08  
q 2.914185528765208 2.8075e-07 au
tp 2457221.637391425684
(2015-Jul-18.13739143)
0.00024204 TDB
node 272.3757298135841 4.1639e-05 deg
peri 90.67146123648526 5.7865e-05 deg
i 8.726306615137464 6.3824e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      5849 days (16.01 yr)  
   first obs. used      2003-07-24  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:48  

Additional Information
 Jupiter MOID = 1.98928 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.847033353932494E-15 -2.124214759763401E-14 -1.084438758532215E-12 -3.605981564072645E-14 -8.334790639243013E-14 -2.852176437778209E-16
q -2.124214759763401E-14 7.881827307012168E-14 3.772234772812326E-12 1.278760489438785E-13 2.335302481075459E-13 3.431158261968361E-15
tp -1.084438758532215E-12 3.772234772812326E-12 5.858162185878228E-8 4.35520060979669E-11 9.777415587231644E-9 -1.412769865826941E-11
node -3.605981564072645E-14 1.278760489438785E-13 4.35520060979669E-11 1.733810813445105E-9 -1.706694905925226E-9 1.975918650769418E-11
peri -8.334790639243013E-14 2.335302481075459E-13 9.777415587231644E-9 -1.706694905925226E-9 3.348408512962786E-9 -2.195972293296488E-11
i -2.852176437778209E-16 3.431158261968361E-15 -1.412769865826941E-11 1.975918650769418E-11 -2.195972293296488E-11 4.073499550441854E-11

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 15.5   n/a MPO367830  

266701 (2009 QL7)          Discovered 2009-Aug-17 by CSS at Catalina
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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