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(2008 QB1)
Classification: Mars-crossing Asteroid          SPK-ID: 3426196
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5063975167455673 0.0001244  
a 2.694451365916089 0.00074262 au
q 1.32998788522448 3.2043e-05 au
i 12.89761191105307 0.0025597 deg
node 126.5277235368424 0.0031068 deg
peri 245.7609974965375 0.0086013 deg
M 270.0299717956468 0.42307 deg
tp 2459604.237701649460
(2022-Jan-24.73770165)
2.0654 TDB
period 1615.488796598745
4.42
0.66787
0.001829
d
yr
n .2228427710287716 9.2126e-05 deg/d
Q 4.058914846607698 0.0011187 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      58 days  
   first obs. used      2008-08-23  
   last obs. used      2008-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .68893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:45:41  

Additional Information
 Earth MOID = .395222 au 
 Jupiter MOID = 1.63593 au 
 T_jup = 3.141 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.9   n/a MPO147451  

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