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146391 (2001 QB102)
Classification: Main-belt Asteroid          SPK-ID: 2146391
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382724654663852 3.6898e-08  
a 2.680585857998813 1.4155e-08 au
q 2.309934642518991 9.7804e-08 au
i 12.69985961634069 6.0736e-06 deg
node 9.645150647959859 1.9532e-05 deg
peri 69.43765015365965 3.578e-05 deg
M 49.30634138826864 2.6368e-05 deg
tp 2458780.945022422390
(2019-Oct-24.44502242)
0.00011737 TDB
period 1603.035019482207
4.39
1.2698e-05
3.477e-08
d
yr
n .2245740084432359 1.7789e-09 deg/d
Q 3.051237073478634 1.6113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      6875 days (18.82 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:28:12  

Additional Information
 Earth MOID = 1.35914 au 
 Jupiter MOID = 2.29705 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456789.5 (2014-May-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136279543462397 3.6894e-08  
q 2.315854893814681 9.7618e-08 au
tp 2457178.411085816500
(2015-Jun-04.91108582)
0.00012054 TDB
node 9.679125107410767 1.9531e-05 deg
peri 69.59402919979041 3.6208e-05 deg
i 12.69894069204306 6.073e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      6875 days (18.82 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:28:12  

Additional Information
 Jupiter MOID = 2.29705 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.361178240747055E-15 -3.573662932912396E-15 3.775864111503889E-14 3.54728530403274E-15 2.035729850488319E-14 -6.19547053056116E-15
q -3.573662932912396E-15 9.529218041021244E-15 -2.653559523551302E-13 -9.250786436940809E-15 -1.064191630752204E-13 1.644674698244042E-14
tp 3.775864111503889E-14 -2.653559523551302E-13 1.452939417607752E-8 2.506862787539441E-11 3.687336176362434E-9 -1.133726791504441E-11
node 3.54728530403274E-15 -9.250786436940809E-15 2.506862787539441E-11 3.814733709727582E-10 -3.652717965140545E-10 -2.161382977965496E-11
peri 2.035729850488319E-14 -1.064191630752204E-13 3.687336176362434E-9 -3.652717965140545E-10 1.311022444142609E-9 1.811044519998604E-11
i -6.19547053056116E-15 1.644674698244042E-14 -1.133726791504441E-11 -2.161382977965496E-11 1.811044519998604E-11 3.68818850245984E-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 14.9   n/a MPO412892  

146391 (2001 QB102)          Discovered 2001-Aug-18 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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