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307616 (2003 QW90)
Classification: TransNeptunian Object          SPK-ID: 2307616
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07342215856845397 2.3382e-05  
a 43.83051378886497 0.0014803 au
q 40.61238285532212 0.0012959 au
i 10.35122215533812 0.00012677 deg
node 17.75581553536739 8.6589e-05 deg
peri 85.59009850130381 0.019841 deg
M 284.4004303005001 0.020629 deg
tp 2481258.190135839730
(2081-May-08.69013584)
4.9518 TDB
period 105989.6039190724
290.18
5.3694
0.0147
d
yr
n .003396559536866233 1.7207e-07 deg/d
Q 47.04864472240782 0.001589 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      5485 days (15.02 yr)  
   first obs. used      2002-09-11  
   last obs. used      2017-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .42228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:11:21  

Additional Information
 Earth MOID = 39.6456 au 
 Jupiter MOID = 35.4893 au 
 T_jup = 5.813 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456629.5 (2013-Dec-03.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0787435595269481 2.3228e-05  
q 40.36774659628379 0.0012952 au
tp 2481339.407784962623
(2081-Jul-28.90778496)
4.5915 TDB
node 17.76832579593372 8.6485e-05 deg
peri 86.52040320257179 0.018603 deg
i 10.36274397558284 0.00012689 deg
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      5485 days (15.02 yr)  
   first obs. used      2002-09-11  
   last obs. used      2017-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .42228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:11:21  

Additional Information
 Jupiter MOID = 35.4893 au 
 T_jup = 5.813 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.395360913671594E-10 -9.656772116136223E-9 -5.820775210004634E-5 -2.33957171829064E-12 -1.797500925298905E-7 1.236164524130024E-11
q -9.656772116136223E-9 1.677584146926536E-6 -.00366940843730143 4.745035443908222E-9 -1.751256534329923E-5 -4.738255753433256E-9
tp -5.820775210004634E-5 -.00366940843730143 21.08179783272857 -1.43413508771565E-5 .08447096389786977 1.268127890784509E-5
node -2.33957171829064E-12 4.745035443908222E-9 -1.43413508771565E-5 7.479732186614519E-9 -7.090867704102573E-8 -1.014451836418508E-8
peri -1.797500925298905E-7 -1.751256534329923E-5 .08447096389786977 -7.090867704102573E-8 .0003460680705193511 6.764066165174467E-8
i 1.236164524130024E-11 -4.738255753433256E-9 1.268127890784509E-5 -1.014451836418508E-8 6.764066165174467E-8 1.610075980318985E-8

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.0   n/a MPO418602  

307616 (2003 QW90)          Discovered 2003-Aug-23 by Buie, M. W. at Cerro Tololo
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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