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(2020 QW)
Classification: Apollo [NEO]          SPK-ID: 54051171
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .411955591869557 0.00019383  
a 1.555664913836994 0.00045969 au
q .9148000535065719 3.1227e-05 au
i 7.840505570895391 0.0028046 deg
node 149.35461487 7.8429e-05 deg
peri 126.5505758783732 0.00016919 deg
M 81.527282556976 0.038167 deg
tp 2459040.000760785853
(2020-Jul-09.50076079)
0.0039992 TDB
period 708.7164481008314
1.94
0.31413
0.00086
d
yr
n .5079605545556375 0.00022515 deg/d
Q 2.196529774167417 0.00064906 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      9 days  
   first obs. used      2020-08-17  
   last obs. used      2020-08-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .56395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:50:22  

Additional Information
 Earth MOID = .0109802 au 
 Jupiter MOID = 2.96762 au 
 T_jup = 4.332 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.3   .50252 E2020-QN2 autocmod 2.8

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