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152178 (2005 QB4)
Classification: Main-belt Asteroid          SPK-ID: 2152178
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966115640118984 5.312e-08  
a 2.399034854508179 8.6745e-09 au
q 1.927356859644269 1.2776e-07 au
i 1.712728790823341 4.1392e-06 deg
node 310.6567518477061 0.00020578 deg
peri 46.26283093683186 0.00020606 deg
M 32.46460393688374 1.0087e-05 deg
tp 2459078.105790548415
(2020-Aug-16.60579055)
3.802e-05 TDB
period 1357.229414787678
3.72
7.3613e-06
2.015e-08
d
yr
n .2652462406706074 1.4386e-09 deg/d
Q 2.870712849372089 1.038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      9568 days (26.20 yr)  
   first obs. used      1994-10-27  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:43:09  

Additional Information
 Earth MOID = .921926 au 
 Jupiter MOID = 2.5787 au 
 T_jup = 3.500 
[ 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 MPO436768  

152178 (2005 QB4)          Discovered 2005-Aug-24 by NEAT at Palomar
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 QB4 = 2003 AO9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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