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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109047213507267 6.3913e-08  
a 2.406087220531431 2.4877e-08 au
q 1.898632065739705 1.5735e-07 au
i 7.435362719327148 5.5344e-06 deg
node 169.8768042786288 6.123e-05 deg
peri 113.177081876366 6.3611e-05 deg
M 254.1505087044554 1.8074e-05 deg
tp 2459001.322184782839
(2020-May-31.82218478)
7.0841e-05 TDB
period 1363.218516742136
3.73
2.1142e-05
5.788e-08
d
yr
n .2640809199543003 4.0955e-09 deg/d
Q 2.913542375323157 3.0123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      8031 days (21.99 yr)  
   first obs. used      1997-03-02  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54806  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:24:14  

Additional Information
 Earth MOID = .896702 au 
 Jupiter MOID = 2.28766 au 
 T_jup = 3.481 
[ 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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