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JPL Small-Body Database Browser
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266702 (2009 QG9)
Classification: Main-belt Asteroid          SPK-ID: 2266702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .178308569840474 4.2095e-08  
a 2.209067775491572 1.3982e-08 au
q 1.815172059762992 8.8833e-08 au
i 5.754248355067601 7.0215e-06 deg
node 261.3374777326719 9.3142e-05 deg
peri 27.9031618502748 9.7605e-05 deg
M 15.97569097421946 3.1423e-05 deg
tp 2458547.280702441791
(2019-Mar-04.78070244)
0.00010462 TDB
period 1199.256241991195
3.28
1.1386e-05
3.117e-08
d
yr
n .3001860548186691 2.8499e-09 deg/d
Q 2.602963491220151 1.6475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      8411 days (23.03 yr)  
   first obs. used      1996-11-06  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:22:20  

Additional Information
 Earth MOID = .800524 au 
 Jupiter MOID = 2.55942 au 
 T_jup = 3.631 
[ 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 17.3   n/a MPO494441  

266702 (2009 QG9)          Discovered 2009-Aug-19 by LINEAR at Socorro
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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