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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457615.5 (2016-Aug-15.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06137782278309833 5.6474e-08  
q 2.690964906461194 1.5249e-07 au
tp 2456805.675076555006
(2014-May-28.17507655)
0.00036018 TDB
node 203.2232228892124 0.00023604 deg
peri 213.7244756613324 0.00024792 deg
i 1.492769566545849 6.0723e-06 deg
  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
 Jupiter MOID = 2.17431 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.18929939262697E-15 -8.490317142411977E-15 -8.712709586967472E-12 -9.392556518434578E-15 -1.882096393468806E-12 3.40793686553677E-17
q -8.490317142411977E-15 2.325455254619744E-14 2.181043295479595E-11 2.62766746652043E-14 4.777462499771545E-12 2.635940059714061E-16
tp -8.712709586967472E-12 2.181043295479595E-11 1.297296304781112E-7 1.633051242449853E-10 2.735153426032439E-8 -1.565541965136625E-11
node -9.392556518434578E-15 2.62766746652043E-14 1.633051242449853E-10 5.57138306799286E-8 -5.565902883108928E-8 -3.70892327449035E-10
peri -1.882096393468806E-12 4.777462499771545E-12 2.735153426032439E-8 -5.565902883108928E-8 6.146427927720997E-8 3.674937274908192E-10
i 3.40793686553677E-17 2.635940059714061E-16 -1.565541965136625E-11 -3.70892327449035E-10 3.674937274908192E-10 3.687222598756577E-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 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

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