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(2001 QW322)
Classification: TransNeptunian Object          SPK-ID: 3092511
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02229104825913096 0.00010771  
a 44.30614330786333 0.010191 au
q 43.31851292921178 0.010356 au
i 4.799494689634388 0.00055059 deg
node 124.6352312807451 0.00074303 deg
peri 92.37304080302901 0.45906 deg
M 109.6077237180299 0.46947 deg
tp 2426203.584072932055
(1930-Aug-15.08407293)
129.24 TDB
period 107719.5049148009
294.92
37.164
0.1017
d
yr
n .003342013132020394 1.153e-06 deg/d
Q 45.29377368651488 0.010418 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      6613 days (18.11 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .82927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-21 21:49:36  

Additional Information
 Earth MOID = 42.3151 au 
 Jupiter MOID = 37.886 au 
 T_jup = 5.932 
[ hide covariance matrix ]
Orbital Elements at Epoch 2452925.5 (2003-Oct-13.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02674652284331019 0.0001085  
q 42.610065093797 0.013024 au
tp 2418934.019000367996
(1910-Sep-19.51900037)
102.27 TDB
node 124.7005588592294 0.00074193 deg
peri 65.85995701160695 0.37761 deg
i 4.820117785311882 0.00055394 deg
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      6613 days (18.11 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .82927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-21 21:49:36  

Additional Information
 Jupiter MOID = 37.886 au 
 T_jup = 5.932 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.177204990684014E-8 -1.13095182313309E-6 -.00225740715858623 -4.222752402215726E-10 -1.111728650988998E-5 -5.409500367029956E-10
q -1.13095182313309E-6 .0001696372634985408 .9982156774746708 1.055520227684129E-7 .003904545939205183 1.479446945410891E-7
tp -.00225740715858623 .9982156774746708 10458.1617827964 .0009112328700169246 38.52183608516269 .001330255079793971
node -4.222752402215726E-10 1.055520227684129E-7 .0009112328700169246 5.504585760913101E-7 2.865143285832568E-6 2.733430634185358E-7
peri -1.111728650988998E-5 .003904545939205183 38.52183608516269 2.865143285832568E-6 .1425900752791845 4.692189308831952E-6
i -5.409500367029956E-10 1.479446945410891E-7 .001330255079793971 2.733430634185358E-7 4.692189308831952E-6 3.068533066729082E-7

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.8   n/a MPC33918  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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