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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06216603925886758 5.5087e-08  
a 2.866507445800845 2.826e-08 au
q 2.688308031389353 1.4993e-07 au
i 1.493292574836528 5.8621e-06 deg
node 203.2090754591159 0.00022565 deg
peri 212.8054405042114 0.00023487 deg
M 127.1778339142052 6.1914e-05 deg
tp 2458574.265541102204
(2019-Mar-31.76554110)
0.00030566 TDB
period 1772.670584681388
4.85
2.6214e-05
7.177e-08
d
yr
n .2030834172524529 3.0032e-09 deg/d
Q 3.044706860212337 3.0017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      9631 days (26.37 yr)  
   first obs. used      1994-11-01  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:47:39  

Additional Information
 Earth MOID = 1.69917 au 
 Jupiter MOID = 2.17491 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457757.5 (2017-Jan-04.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06162892363833152 5.4582e-08  
q 2.689597825068099 1.4825e-07 au
tp 2458578.118466537760
(2019-Apr-04.61846654)
0.00030994 TDB
node 203.2297679308409 0.00022568 deg
peri 213.6636531203252 0.00023516 deg
i 1.49306300837669 5.8623e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      9631 days (26.37 yr)  
   first obs. used      1994-11-01  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:47:39  

Additional Information
 Jupiter MOID = 2.17491 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.979231893778954E-15 -7.980805004533151E-15 -5.813226882243405E-12 -4.428380401206474E-15 -1.38886829959863E-12 -2.047785897270842E-16
q -7.980805004533151E-15 2.197704068239376E-14 1.569172420181695E-11 1.645232997935536E-14 3.680642084709375E-12 7.39009084577033E-16
tp -5.813226882243405E-12 1.569172420181695E-11 9.606135852469733E-8 1.125058770820388E-10 2.049167749116174E-8 -1.165677151497322E-11
node -4.428380401206474E-15 1.645232997935536E-14 1.125058770820388E-10 5.093194331395412E-8 -5.089019231884221E-8 -3.447179904241135E-10
peri -1.38886829959863E-12 3.680642084709375E-12 2.049167749116174E-8 -5.089019231884221E-8 5.529865370720273E-8 3.421410433534417E-10
i -2.047785897270842E-16 7.39009084577033E-16 -1.165677151497322E-11 -3.447179904241135E-10 3.421410433534417E-10 3.436624209915262E-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 16.62   n/a E2021B25  

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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