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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457631.5 (2016-Aug-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2103132429311327 5.3919e-08  
q 1.900391168779373 1.2546e-07 au
tp 2457637.480862355984
(2016-Sep-05.98086236)
5.2428e-05 TDB
node 169.8920679507083 5.3492e-05 deg
peri 113.1077762623482 5.579e-05 deg
i 7.43491285355901 4.5268e-06 deg
  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
 Jupiter MOID = 2.28708 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.907245002825985E-15 -6.72063929933433E-15 -1.309285882669547E-12 -2.507269514030233E-16 -3.425504694332752E-13 -1.189523834639274E-14
q -6.72063929933433E-15 1.57410473163949E-14 2.854111895770868E-12 -3.829710178333595E-15 7.385946167217716E-13 2.65892196800719E-14
tp -1.309285882669547E-12 2.854111895770868E-12 2.748653824627546E-9 -3.901401168647763E-11 8.855852704190447E-10 7.813031989412435E-12
node -2.507269514030233E-16 -3.829710178333595E-15 -3.901401168647763E-11 2.86135026152312E-9 -2.848663074119177E-9 7.401130115361209E-11
peri -3.425504694332752E-13 7.385946167217716E-13 8.855852704190447E-10 -2.848663074119177E-9 3.112535250991118E-9 -7.106188085164048E-11
i -1.189523834639274E-14 2.65892196800719E-14 7.813031989412435E-12 7.401130115361209E-11 -7.106188085164048E-11 2.049186546146255E-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 17.0   n/a MPO434345  

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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