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(2020 XA3)
Classification: Apollo [NEO]          SPK-ID: 54099605
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 2459194.5 (2020-Dec-11.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .66157543133581 0.0011472  
a 2.384657187198425 0.0074581 au
q .8070265799895876 0.00021169 au
i 9.622405100197186 0.013441 deg
node 84.92217237896817 0.0033367 deg
peri 58.69973918372855 0.005281 deg
M 347.5060958152217 0.063242 deg
tp 2459241.180234511266
(2021-Jan-26.68023451)
0.017295 TDB
period 1345.046686409654
3.68
6.31
0.01728
d
yr
n .2676487021881386 0.0012556 deg/d
Q 3.962287794407263 0.012392 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      12 days  
   first obs. used      2020-12-08  
   last obs. used      2020-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .45969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-20 05:49:47  

Additional Information
 Earth MOID = .00522303 au 
 Jupiter MOID = 1.2152 au 
 T_jup = 3.183 
[ 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 24.51   .52538 E2020Y56 autocmod 2.8

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