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379157 (2009 QB11)
Classification: Main-belt Asteroid          SPK-ID: 2379157
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2112188753916433 5.3885e-08  
a 2.406884124369642 1.9172e-08 au
q 1.898504766422286 1.2557e-07 au
i 7.435357974323815 4.5262e-06 deg
node 169.8633072520358 5.3492e-05 deg
peri 113.1425586023551 5.5765e-05 deg
M 359.8237358691374 1.2785e-05 deg
tp 2459001.167794201169
(2020-May-31.66779420)
4.8438e-05 TDB
period 1363.895826362338
3.73
1.6296e-05
4.462e-08
d
yr
n .2639497775722067 3.1537e-09 deg/d
Q 2.915263482316998 2.3221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-03-02  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:46:28  

Additional Information
 Earth MOID = .897194 au 
 Jupiter MOID = 2.28708 au 
 T_jup = 3.480 
[ 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 17.0   n/a MPO434345  

379157 (2009 QB11)          Discovered 2009-Aug-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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