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332550 (2008 QJ41)
Classification: Main-belt Asteroid          SPK-ID: 2332550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0620406207264998 5.7131e-08  
a 2.867093043606635 2.9678e-08 au
q 2.68921681150065 1.5476e-07 au
i 1.4930682169732 6.0711e-06 deg
node 203.2157557170636 0.00023603 deg
peri 212.9670381234333 0.00024755 deg
M 86.40543660539552 7.0195e-05 deg
tp 2458574.901904735932
(2019-Apr-01.40190474)
0.00034709 TDB
period 1773.21381980607
4.85
2.7532e-05
7.538e-08
d
yr
n .203021201379635 3.1522e-09 deg/d
Q 3.044969275712621 3.1519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      9224 days (25.25 yr)  
   first obs. used      1994-11-01  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:09:14  

Additional Information
 Earth MOID = 1.70091 au 
 Jupiter MOID = 2.17431 au 
 T_jup = 3.296 
[ 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 16.4   n/a MPO455449  

332550 (2008 QJ41)          Discovered 2008-Aug-21 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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